/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Symm.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 [2021-06-16 20:24:27,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 20:24:27,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 20:24:28,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-16 20:24:28,060 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Symm.epf [2021-06-16 20:24:28,086 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 20:24:28,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 20:24:28,086 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 20:24:28,087 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 20:24:28,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 20:24:28,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 20:24:28,089 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 20:24:28,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 20:24:28,089 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 20:24:28,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 20:24:28,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 20:24:28,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 20:24:28,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 20:24:28,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 20:24:28,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 20:24:28,090 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 20:24:28,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 20:24:28,090 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 20:24:28,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 20:24:28,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 20:24:28,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 20:24:28,091 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 20:24:28,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 20:24:28,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 20:24:28,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 20:24:28,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 20:24:28,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 20:24:28,092 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 20:24:28,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 20:24:28,092 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 20:24:28,092 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 20:24:28,092 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 20:24:28,093 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 20:24:28,093 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-06-16 20:24:28,093 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 20:24:28,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 20:24:28,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 20:24:28,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 20:24:28,390 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-16 20:24:28,391 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-16 20:24:28,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-5.wvr.bpl [2021-06-16 20:24:28,392 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-5.wvr.bpl' [2021-06-16 20:24:28,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 20:24:28,421 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-16 20:24:28,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 20:24:28,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 20:24:28,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 20:24:28,430 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 16.06 08:24:28" (1/1) ... [2021-06-16 20:24:28,436 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 16.06 08:24:28" (1/1) ... [2021-06-16 20:24:28,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 20:24:28,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 20:24:28,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 20:24:28,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 20:24:28,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:24:28" (1/1) ... [2021-06-16 20:24:28,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:24:28" (1/1) ... [2021-06-16 20:24:28,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:24:28" (1/1) ... [2021-06-16 20:24:28,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:24:28" (1/1) ... [2021-06-16 20:24:28,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:24:28" (1/1) ... [2021-06-16 20:24:28,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:24:28" (1/1) ... [2021-06-16 20:24:28,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:24:28" (1/1) ... [2021-06-16 20:24:28,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 20:24:28,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 20:24:28,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 20:24:28,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 20:24:28,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:24:28" (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 [2021-06-16 20:24:28,527 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-16 20:24:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-16 20:24:28,528 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-16 20:24:28,528 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-16 20:24:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-16 20:24:28,528 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-16 20:24:28,528 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-16 20:24:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 20:24:28,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 20:24:28,530 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 20:24:28,763 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 20:24:28,763 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-16 20:24:28,764 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-16 20:24:28,764 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-16 20:24:28,765 INFO L202 PluginConnector]: Adding new model unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 08:24:28 BoogieIcfgContainer [2021-06-16 20:24:28,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 20:24:28,767 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 20:24:28,767 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 20:24:28,768 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 20:24:28,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:24:28" (1/2) ... [2021-06-16 20:24:28,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a4c729 and model type unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 08:24:28, skipping insertion in model container [2021-06-16 20:24:28,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 08:24:28" (2/2) ... [2021-06-16 20:24:28,770 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-5.wvr.bpl [2021-06-16 20:24:28,774 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 20:24:28,774 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 20:24:28,774 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 20:24:28,774 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 20:24:28,792 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-16 20:24:28,806 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 [2021-06-16 20:24:28,865 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 20:24:28,868 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 20:24:28,868 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 20:24:28,869 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 20:24:28,869 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 20:24:28,869 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 20:24:28,869 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 20:24:28,869 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 20:24:28,900 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:28,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:28,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1415596831, now seen corresponding path program 1 times [2021-06-16 20:24:28,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:28,913 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485200598] [2021-06-16 20:24:28,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:29,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:24:29,022 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:29,022 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485200598] [2021-06-16 20:24:29,023 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485200598] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:24:29,023 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:24:29,024 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-16 20:24:29,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88550830] [2021-06-16 20:24:29,029 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 20:24:29,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:24:29,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 20:24:29,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 20:24:29,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:29,045 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:24:29,047 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) [2021-06-16 20:24:29,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:29,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:29,070 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 20:24:29,071 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:29,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:29,073 INFO L82 PathProgramCache]: Analyzing trace with hash 725858237, now seen corresponding path program 1 times [2021-06-16 20:24:29,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:29,074 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727317966] [2021-06-16 20:24:29,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:29,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:24:29,113 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:29,114 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727317966] [2021-06-16 20:24:29,114 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727317966] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:29,114 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984461707] [2021-06-16 20:24:29,114 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 [2021-06-16 20:24:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:29,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-16 20:24:29,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:24:29,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:24:29,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1984461707] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:29,236 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:24:29,236 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-06-16 20:24:29,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774412183] [2021-06-16 20:24:29,238 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-16 20:24:29,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:24:29,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-16 20:24:29,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-16 20:24:29,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:29,240 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:24:29,240 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) [2021-06-16 20:24:29,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:29,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:29,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:29,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:29,486 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:29,486 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:29,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:29,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1049837130, now seen corresponding path program 1 times [2021-06-16 20:24:29,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:29,487 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368872627] [2021-06-16 20:24:29,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:29,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 20:24:29,539 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:29,539 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368872627] [2021-06-16 20:24:29,539 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368872627] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:29,539 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178867083] [2021-06-16 20:24:29,539 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 [2021-06-16 20:24:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:29,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-16 20:24:29,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:24:29,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 20:24:29,619 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178867083] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:29,619 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:24:29,619 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-16 20:24:29,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209459360] [2021-06-16 20:24:29,619 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-16 20:24:29,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:24:29,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-16 20:24:29,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-16 20:24:29,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:29,621 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:24:29,621 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) [2021-06-16 20:24:29,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:29,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:29,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:29,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:29,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:29,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:29,856 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:29,857 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:29,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:29,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1698822694, now seen corresponding path program 2 times [2021-06-16 20:24:29,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:29,858 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930374486] [2021-06-16 20:24:29,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:29,910 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 20:24:29,910 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:29,910 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930374486] [2021-06-16 20:24:29,911 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930374486] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:29,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428377442] [2021-06-16 20:24:29,911 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 [2021-06-16 20:24:29,950 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 20:24:29,950 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:24:29,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-16 20:24:29,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:24:30,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 20:24:30,013 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1428377442] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:30,014 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:24:30,014 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-06-16 20:24:30,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120011745] [2021-06-16 20:24:30,014 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-16 20:24:30,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:24:30,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-16 20:24:30,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-16 20:24:30,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:30,015 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:24:30,015 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) [2021-06-16 20:24:30,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:30,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:30,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:30,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:30,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:30,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:30,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:30,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:30,255 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:30,255 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:30,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:30,255 INFO L82 PathProgramCache]: Analyzing trace with hash 342538698, now seen corresponding path program 3 times [2021-06-16 20:24:30,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:30,256 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037507545] [2021-06-16 20:24:30,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:30,312 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 20:24:30,313 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:30,313 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037507545] [2021-06-16 20:24:30,313 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037507545] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:30,313 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531129896] [2021-06-16 20:24:30,313 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) [2021-06-16 20:24:30,347 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-16 20:24:30,347 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:24:30,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-16 20:24:30,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:30,407 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 20:24:30,407 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531129896] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:30,407 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:24:30,407 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-16 20:24:30,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463353261] [2021-06-16 20:24:30,408 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-16 20:24:30,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:24:30,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-16 20:24:30,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-16 20:24:30,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:30,408 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:24:30,409 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) [2021-06-16 20:24:30,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:30,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:30,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:30,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:30,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:30,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:30,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:30,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:30,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:30,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:30,653 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:30,654 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:30,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:30,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1247407782, now seen corresponding path program 4 times [2021-06-16 20:24:30,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:30,654 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086072867] [2021-06-16 20:24:30,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:30,715 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 20:24:30,715 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:30,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086072867] [2021-06-16 20:24:30,715 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086072867] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:30,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226345714] [2021-06-16 20:24:30,715 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 [2021-06-16 20:24:30,752 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 20:24:30,752 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:24:30,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-16 20:24:30,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:24:30,845 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 20:24:30,845 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226345714] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:30,845 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:24:30,846 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-06-16 20:24:30,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458730210] [2021-06-16 20:24:30,846 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-16 20:24:30,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:24:30,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-16 20:24:30,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-06-16 20:24:30,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:30,847 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:24:30,847 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) [2021-06-16 20:24:30,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:30,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:30,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:30,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:30,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:30,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:30,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:30,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:30,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:30,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:30,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:30,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:31,084 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:31,085 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:31,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:31,085 INFO L82 PathProgramCache]: Analyzing trace with hash -766421686, now seen corresponding path program 5 times [2021-06-16 20:24:31,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:31,085 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024413443] [2021-06-16 20:24:31,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:31,130 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:24:31,130 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:31,130 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024413443] [2021-06-16 20:24:31,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024413443] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:31,130 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620577145] [2021-06-16 20:24:31,130 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 [2021-06-16 20:24:31,160 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-16 20:24:31,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:24:31,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-16 20:24:31,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:24:31,351 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:24:31,351 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 [2021-06-16 20:24:31,544 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:24:31,545 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:24:31,547 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 20:24:31,547 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-06-16 20:24:31,553 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:24:31,553 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620577145] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:31,553 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:24:31,554 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2021-06-16 20:24:31,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901087185] [2021-06-16 20:24:31,554 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-16 20:24:31,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:24:31,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-16 20:24:31,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-06-16 20:24:31,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:31,559 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:24:31,559 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 13 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) [2021-06-16 20:24:31,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:31,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:31,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:31,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:31,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:31,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:31,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:31,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:31,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:31,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:31,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:31,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:31,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:31,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:24:31,812 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:31,814 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:31,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:31,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1229374246, now seen corresponding path program 6 times [2021-06-16 20:24:31,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:31,814 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785907855] [2021-06-16 20:24:31,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:31,866 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:24:31,866 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:31,866 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785907855] [2021-06-16 20:24:31,866 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785907855] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:31,866 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110537772] [2021-06-16 20:24:31,867 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 [2021-06-16 20:24:31,895 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-16 20:24:31,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:24:31,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-16 20:24:31,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:24:31,959 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:24:31,960 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2110537772] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:31,960 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:24:31,960 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-06-16 20:24:31,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427044470] [2021-06-16 20:24:31,960 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-16 20:24:31,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:24:31,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-16 20:24:31,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-06-16 20:24:31,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:31,962 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:24:31,962 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) [2021-06-16 20:24:31,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:31,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:31,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:31,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:31,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:31,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:31,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:24:31,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:32,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:32,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:32,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:32,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:32,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:32,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:32,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:24:32,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:24:32,274 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-06-16 20:24:32,275 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:32,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:32,275 INFO L82 PathProgramCache]: Analyzing trace with hash -521035775, now seen corresponding path program 7 times [2021-06-16 20:24:32,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:32,275 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137705676] [2021-06-16 20:24:32,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:32,382 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-16 20:24:32,382 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:32,382 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137705676] [2021-06-16 20:24:32,382 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137705676] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:32,382 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113712756] [2021-06-16 20:24:32,382 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 [2021-06-16 20:24:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:32,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-16 20:24:32,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:24:32,474 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-16 20:24:32,475 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113712756] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:32,475 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:24:32,475 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-06-16 20:24:32,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276338691] [2021-06-16 20:24:32,477 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-16 20:24:32,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:24:32,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-16 20:24:32,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-06-16 20:24:32,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:32,478 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:24:32,478 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) [2021-06-16 20:24:32,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:32,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:32,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:32,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:32,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:32,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:32,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:24:32,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:24:32,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:32,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:32,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:32,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:32,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:32,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:32,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:32,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:24:32,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:24:32,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:24:32,823 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:32,823 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:32,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:32,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1883440861, now seen corresponding path program 8 times [2021-06-16 20:24:32,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:32,824 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94390728] [2021-06-16 20:24:32,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:32,933 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-16 20:24:32,933 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:32,933 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94390728] [2021-06-16 20:24:32,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94390728] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:32,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618242328] [2021-06-16 20:24:32,934 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 [2021-06-16 20:24:32,959 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 20:24:32,959 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:24:32,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-16 20:24:32,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:24:33,042 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-16 20:24:33,043 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618242328] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:33,043 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:24:33,043 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-06-16 20:24:33,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678196847] [2021-06-16 20:24:33,044 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-16 20:24:33,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:24:33,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-16 20:24:33,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-06-16 20:24:33,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:33,045 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:24:33,045 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) [2021-06-16 20:24:33,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:33,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:33,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:33,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:33,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:33,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:33,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:24:33,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:24:33,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:24:33,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:33,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:33,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:33,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:33,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:33,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:33,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:33,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:24:33,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:24:33,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:24:33,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:24:33,416 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:33,417 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:33,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:33,417 INFO L82 PathProgramCache]: Analyzing trace with hash -887194751, now seen corresponding path program 9 times [2021-06-16 20:24:33,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:33,417 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985570224] [2021-06-16 20:24:33,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:33,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:33,547 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-16 20:24:33,547 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:33,547 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985570224] [2021-06-16 20:24:33,547 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985570224] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:33,547 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24184535] [2021-06-16 20:24:33,547 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 [2021-06-16 20:24:33,583 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-16 20:24:33,583 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:24:33,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-16 20:24:33,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:24:33,689 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-16 20:24:33,689 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24184535] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:33,689 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:24:33,689 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-06-16 20:24:33,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995183797] [2021-06-16 20:24:33,690 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-16 20:24:33,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:24:33,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-16 20:24:33,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-06-16 20:24:33,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:33,690 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:24:33,690 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) [2021-06-16 20:24:33,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:33,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:33,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:33,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:33,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:33,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:33,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:24:33,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:24:33,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:24:33,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:24:33,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:33,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:33,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:33,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:33,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:33,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:33,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:33,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:24:33,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:24:33,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:24:33,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:24:33,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 20:24:34,076 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-06-16 20:24:34,077 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:34,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:34,077 INFO L82 PathProgramCache]: Analyzing trace with hash -877552803, now seen corresponding path program 10 times [2021-06-16 20:24:34,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:34,078 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248766929] [2021-06-16 20:24:34,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:34,201 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-16 20:24:34,201 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:34,201 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248766929] [2021-06-16 20:24:34,201 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248766929] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:34,201 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721837505] [2021-06-16 20:24:34,201 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 [2021-06-16 20:24:34,229 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 20:24:34,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:24:34,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-16 20:24:34,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:24:34,402 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-16 20:24:34,402 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721837505] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:34,402 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:24:34,402 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-06-16 20:24:34,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148268424] [2021-06-16 20:24:34,402 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-16 20:24:34,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:24:34,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-16 20:24:34,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2021-06-16 20:24:34,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:34,403 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:24:34,403 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) [2021-06-16 20:24:34,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:34,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:34,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:34,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:34,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:34,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:34,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:24:34,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:24:34,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:24:34,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:24:34,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 20:24:34,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:34,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:34,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:34,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:34,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:34,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:34,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:34,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:24:34,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:24:34,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:24:34,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:24:34,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 20:24:34,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:24:34,757 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-06-16 20:24:34,757 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:34,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:34,757 INFO L82 PathProgramCache]: Analyzing trace with hash -578652415, now seen corresponding path program 11 times [2021-06-16 20:24:34,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:34,758 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704803788] [2021-06-16 20:24:34,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:34,840 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:24:34,840 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:34,840 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704803788] [2021-06-16 20:24:34,840 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704803788] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:34,840 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643443573] [2021-06-16 20:24:34,841 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 [2021-06-16 20:24:34,877 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-16 20:24:34,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:24:34,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-16 20:24:34,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:24:35,304 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-06-16 20:24:35,305 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:24:35,305 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 [2021-06-16 20:24:36,432 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2021-06-16 20:24:36,551 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2021-06-16 20:24:36,698 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 263 [2021-06-16 20:24:37,105 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 327 [2021-06-16 20:24:37,461 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 318 [2021-06-16 20:24:37,680 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 275 [2021-06-16 20:24:38,633 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 246 [2021-06-16 20:24:38,778 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 263 [2021-06-16 20:24:38,903 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 213 [2021-06-16 20:24:40,416 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 203 [2021-06-16 20:24:40,561 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 222 [2021-06-16 20:24:40,808 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 300 [2021-06-16 20:24:41,155 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 326 [2021-06-16 20:24:42,151 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 236 [2021-06-16 20:24:42,384 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 260 [2021-06-16 20:24:42,605 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 307 [2021-06-16 20:24:43,204 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 183 [2021-06-16 20:24:43,332 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 202 [2021-06-16 20:24:43,487 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 220 [2021-06-16 20:24:43,654 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 229 [2021-06-16 20:24:44,071 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 431 [2021-06-16 20:24:44,881 WARN L205 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 806 DAG size of output: 631 [2021-06-16 20:24:45,838 WARN L205 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 670 [2021-06-16 20:24:47,156 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 969 DAG size of output: 794 [2021-06-16 20:24:48,696 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 979 DAG size of output: 806 [2021-06-16 20:24:50,467 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 1051 DAG size of output: 859 [2021-06-16 20:24:52,532 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 1150 DAG size of output: 926 [2021-06-16 20:24:52,724 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 268 [2021-06-16 20:24:52,893 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 269 [2021-06-16 20:24:53,045 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 254 [2021-06-16 20:24:53,819 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 220 [2021-06-16 20:24:54,134 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 247 [2021-06-16 20:24:54,322 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 254 [2021-06-16 20:24:55,441 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 191 [2021-06-16 20:24:55,835 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 227 [2021-06-16 20:24:56,065 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 234 [2021-06-16 20:24:56,521 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 367 [2021-06-16 20:24:57,030 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 370 [2021-06-16 20:24:57,683 WARN L205 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 432 [2021-06-16 20:25:00,701 WARN L205 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 1529 DAG size of output: 1137 [2021-06-16 20:25:03,786 WARN L205 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 1529 DAG size of output: 1137 [2021-06-16 20:25:07,338 WARN L205 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 1540 DAG size of output: 1148 [2021-06-16 20:25:07,467 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 1144 [2021-06-16 20:25:10,800 WARN L205 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 1146 DAG size of output: 1191 [2021-06-16 20:25:13,457 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 1072 DAG size of output: 1162 [2021-06-16 20:25:15,935 WARN L205 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 1062 DAG size of output: 1243 [2021-06-16 20:25:16,386 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 1055 DAG size of output: 581 [2021-06-16 20:25:16,608 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 342 [2021-06-16 20:25:16,985 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 211 [2021-06-16 20:25:17,471 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 221 [2021-06-16 20:25:17,631 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 264 [2021-06-16 20:25:17,979 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 382 [2021-06-16 20:25:18,590 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 738 DAG size of output: 556 [2021-06-16 20:25:19,397 WARN L205 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 898 DAG size of output: 650 [2021-06-16 20:25:20,533 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1089 DAG size of output: 754 [2021-06-16 20:25:21,691 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 1089 DAG size of output: 754 [2021-06-16 20:25:23,154 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1094 DAG size of output: 478 [2021-06-16 20:25:23,404 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 290 [2021-06-16 20:25:23,582 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 242 [2021-06-16 20:25:24,148 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 224 [2021-06-16 20:25:24,546 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:25:24,548 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:25:24,548 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 20:25:24,548 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-06-16 20:25:24,553 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:25:24,553 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643443573] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:25:24,553 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:25:24,553 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 24 [2021-06-16 20:25:24,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998323505] [2021-06-16 20:25:24,554 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-16 20:25:24,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:25:24,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-16 20:25:24,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-06-16 20:25:24,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:25:24,556 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:25:24,556 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.48) internal successors, (37), 24 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:25:24,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:25:24,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:25:24,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:25:24,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:25:24,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:25:24,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:25:24,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:25:24,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:25:24,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:25:24,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:25:24,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 20:25:24,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:25:24,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:25:24,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:25:24,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:25:24,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:25:24,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:25:24,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:25:24,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:25:24,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:25:24,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:25:24,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:25:24,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:25:24,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 20:25:24,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:25:24,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:25:24,857 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-06-16 20:25:24,857 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:25:24,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:25:24,857 INFO L82 PathProgramCache]: Analyzing trace with hash 97325021, now seen corresponding path program 12 times [2021-06-16 20:25:24,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:25:24,858 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539531082] [2021-06-16 20:25:24,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:25:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:25:24,966 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 45 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:25:24,966 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:25:24,966 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539531082] [2021-06-16 20:25:24,966 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539531082] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:25:24,966 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753847130] [2021-06-16 20:25:24,967 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 [2021-06-16 20:25:24,994 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-16 20:25:24,995 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:25:24,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-16 20:25:24,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:25:25,046 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 55 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:25:25,047 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753847130] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:25:25,047 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:25:25,047 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2021-06-16 20:25:25,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337479726] [2021-06-16 20:25:25,049 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-16 20:25:25,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:25:25,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-16 20:25:25,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-06-16 20:25:25,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:25:25,050 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:25:25,050 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) [2021-06-16 20:25:25,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:25:25,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:25:25,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:25:25,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:25:25,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:25:25,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:25:25,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:25:25,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:25:25,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:25:25,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:25:25,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 20:25:25,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:25:25,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:25:25,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:25:25,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:25:25,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:25:25,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:25:25,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:25:25,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:25:25,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:25:25,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:25:25,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:25:25,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:25:25,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:25:25,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 20:25:25,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:25:25,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:25:25,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:25:25,434 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1520,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:25:25,434 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:25:25,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:25:25,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1254823382, now seen corresponding path program 13 times [2021-06-16 20:25:25,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:25:25,435 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269526965] [2021-06-16 20:25:25,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:25:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:25:25,591 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-16 20:25:25,592 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:25:25,592 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269526965] [2021-06-16 20:25:25,592 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269526965] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:25:25,592 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242840972] [2021-06-16 20:25:25,592 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 [2021-06-16 20:25:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:25:25,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-16 20:25:25,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:25:25,781 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-16 20:25:25,782 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242840972] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:25:25,782 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:25:25,782 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-06-16 20:25:25,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129908965] [2021-06-16 20:25:25,782 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-16 20:25:25,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:25:25,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-16 20:25:25,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=497, Unknown=0, NotChecked=0, Total=552 [2021-06-16 20:25:25,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:25:25,783 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:25:25,783 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) [2021-06-16 20:25:25,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:25:25,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:25:25,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:25:25,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:25:25,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:25:25,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:25:25,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:25:25,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:25:25,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:25:25,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:25:25,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 20:25:25,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:25:25,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:25:25,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:25:25,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:25:26,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:25:26,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:25:26,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:25:26,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:25:26,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:25:26,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:25:26,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:25:26,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:25:26,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:25:26,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:25:26,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 20:25:26,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:25:26,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:25:26,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:25:26,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:25:26,343 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1521 [2021-06-16 20:25:26,344 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:25:26,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:25:26,344 INFO L82 PathProgramCache]: Analyzing trace with hash -180569082, now seen corresponding path program 14 times [2021-06-16 20:25:26,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:25:26,344 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341145623] [2021-06-16 20:25:26,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:25:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:25:26,519 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-16 20:25:26,519 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:25:26,519 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341145623] [2021-06-16 20:25:26,519 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341145623] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:25:26,519 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314336333] [2021-06-16 20:25:26,519 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 [2021-06-16 20:25:26,548 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 20:25:26,548 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:25:26,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-16 20:25:26,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:25:26,724 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-16 20:25:26,724 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314336333] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:25:26,725 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:25:26,725 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2021-06-16 20:25:26,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018456183] [2021-06-16 20:25:26,725 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-16 20:25:26,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:25:26,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-16 20:25:26,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2021-06-16 20:25:26,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:25:26,726 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:25:26,726 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) [2021-06-16 20:25:26,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:25:26,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:25:26,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:25:26,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:25:26,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:25:26,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:25:26,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:25:26,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:25:26,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:25:26,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:25:26,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 20:25:26,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:25:26,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:25:26,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:25:26,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:25:26,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:25:27,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:25:27,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:25:27,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:25:27,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:25:27,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:25:27,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:25:27,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:25:27,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:25:27,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:25:27,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:25:27,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 20:25:27,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:25:27,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:25:27,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:25:27,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:25:27,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:25:27,357 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1522,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:25:27,357 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:25:27,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:25:27,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1238424150, now seen corresponding path program 15 times [2021-06-16 20:25:27,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:25:27,357 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431993300] [2021-06-16 20:25:27,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:25:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:25:27,550 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-16 20:25:27,550 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:25:27,550 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431993300] [2021-06-16 20:25:27,550 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431993300] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:25:27,550 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981266731] [2021-06-16 20:25:27,550 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 [2021-06-16 20:25:27,615 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-16 20:25:27,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:25:27,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-16 20:25:27,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:25:27,829 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-16 20:25:27,829 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981266731] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:25:27,829 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:25:27,829 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2021-06-16 20:25:27,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629114823] [2021-06-16 20:25:27,830 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-16 20:25:27,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:25:27,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-16 20:25:27,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-16 20:25:27,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:25:27,830 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:25:27,831 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) [2021-06-16 20:25:27,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:25:27,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:25:27,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:25:27,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:25:27,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:25:27,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:25:27,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:25:27,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:25:27,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:25:27,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:25:27,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 20:25:27,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:25:27,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:25:27,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:25:27,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:25:27,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:25:27,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:25:28,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:25:28,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:25:28,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:25:28,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:25:28,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:25:28,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:25:28,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:25:28,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:25:28,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:25:28,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:25:28,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 20:25:28,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:25:28,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:25:28,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:25:28,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:25:28,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:25:28,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:25:28,514 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1523 [2021-06-16 20:25:28,515 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:25:28,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:25:28,515 INFO L82 PathProgramCache]: Analyzing trace with hash 327807110, now seen corresponding path program 16 times [2021-06-16 20:25:28,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:25:28,515 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348504015] [2021-06-16 20:25:28,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:25:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:25:28,728 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-16 20:25:28,728 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:25:28,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348504015] [2021-06-16 20:25:28,728 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348504015] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:25:28,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680235140] [2021-06-16 20:25:28,728 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 [2021-06-16 20:25:28,757 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 20:25:28,757 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:25:28,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-16 20:25:28,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:25:28,997 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-16 20:25:28,998 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680235140] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:25:28,998 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:25:28,998 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2021-06-16 20:25:28,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163249404] [2021-06-16 20:25:28,998 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-16 20:25:28,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:25:28,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-16 20:25:28,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=800, Unknown=0, NotChecked=0, Total=870 [2021-06-16 20:25:28,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:25:28,999 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:25:28,999 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) [2021-06-16 20:25:28,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:25:28,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:25:28,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:25:28,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:25:28,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:25:28,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:25:28,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:25:28,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:25:28,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:25:28,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:25:28,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 20:25:28,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:25:28,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:25:29,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:25:29,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:25:29,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:25:29,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:25:29,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:25:29,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:25:29,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:25:29,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:25:29,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:25:29,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:25:29,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:25:29,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 20:25:29,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:25:29,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:25:29,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:25:29,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 20:25:29,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:25:29,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:25:29,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:25:29,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:25:29,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:25:29,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:25:29,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:25:29,693 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1524 [2021-06-16 20:25:29,694 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:25:29,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:25:29,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1636335914, now seen corresponding path program 17 times [2021-06-16 20:25:29,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:25:29,694 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859573156] [2021-06-16 20:25:29,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:25:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:25:29,841 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:25:29,841 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:25:29,841 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859573156] [2021-06-16 20:25:29,841 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859573156] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:25:29,841 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427181387] [2021-06-16 20:25:29,841 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 [2021-06-16 20:25:29,872 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-06-16 20:25:29,872 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:25:29,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 43 conjunts are in the unsatisfiable core [2021-06-16 20:25:29,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:25:30,965 WARN L205 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2021-06-16 20:25:30,965 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:25:30,966 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 [2021-06-16 20:25:32,459 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-06-16 20:25:32,634 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 331 [2021-06-16 20:25:34,250 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 307 [2021-06-16 20:25:34,491 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 379 [2021-06-16 20:25:34,798 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 413 [2021-06-16 20:25:35,367 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 526 [2021-06-16 20:25:36,642 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 343 [2021-06-16 20:25:37,946 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 323 [2021-06-16 20:25:38,245 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 402 [2021-06-16 20:25:38,748 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 513 [2021-06-16 20:25:39,361 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 545 [2021-06-16 20:25:40,701 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 355 [2021-06-16 20:25:41,699 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 294 [2021-06-16 20:25:42,084 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 441 [2021-06-16 20:25:42,546 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 474 [2021-06-16 20:25:43,767 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 1000 DAG size of output: 761 [2021-06-16 20:25:45,814 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 1330 DAG size of output: 1025 [2021-06-16 20:25:47,947 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 1340 DAG size of output: 1035 [2021-06-16 20:25:50,431 WARN L205 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 1371 DAG size of output: 1067 [2021-06-16 20:25:53,207 WARN L205 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 1404 DAG size of output: 1101 [2021-06-16 20:25:54,256 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 351 [2021-06-16 20:25:55,081 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 306 [2021-06-16 20:25:55,453 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 448 [2021-06-16 20:25:55,866 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 481 [2021-06-16 20:25:57,337 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 301 [2021-06-16 20:25:57,569 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 373 [2021-06-16 20:25:57,847 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 407 [2021-06-16 20:25:58,667 WARN L205 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 714 DAG size of output: 649 [2021-06-16 20:25:59,988 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 319 [2021-06-16 20:26:00,237 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 398 [2021-06-16 20:26:01,489 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 343 [2021-06-16 20:26:02,011 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 525 [2021-06-16 20:26:02,633 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 663 DAG size of output: 557 [2021-06-16 20:26:03,391 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 325 [2021-06-16 20:26:04,085 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 311 [2021-06-16 20:26:04,226 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 351 [2021-06-16 20:26:04,537 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 443 [2021-06-16 20:26:05,209 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 314 [2021-06-16 20:26:06,062 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 390 [2021-06-16 20:26:06,717 WARN L205 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 701 DAG size of output: 595 [2021-06-16 20:26:07,549 WARN L205 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 626 [2021-06-16 20:26:09,150 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 1116 DAG size of output: 898 [2021-06-16 20:26:11,912 WARN L205 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 1544 DAG size of output: 1253 [2021-06-16 20:26:14,701 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 1554 DAG size of output: 1263 [2021-06-16 20:26:17,925 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 1584 DAG size of output: 1293 [2021-06-16 20:26:21,553 WARN L205 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 1616 DAG size of output: 1326 [2021-06-16 20:26:28,751 WARN L205 SmtUtils]: Spent 7.19 s on a formula simplification. DAG size of input: 2667 DAG size of output: 2084 [2021-06-16 20:26:36,713 WARN L205 SmtUtils]: Spent 7.95 s on a formula simplification. DAG size of input: 2697 DAG size of output: 2115 [2021-06-16 20:26:44,785 WARN L205 SmtUtils]: Spent 8.06 s on a formula simplification. DAG size of input: 2697 DAG size of output: 2115 [2021-06-16 20:26:54,518 WARN L205 SmtUtils]: Spent 9.72 s on a formula simplification. DAG size of input: 2722 DAG size of output: 2140 [2021-06-16 20:27:18,310 WARN L205 SmtUtils]: Spent 23.78 s on a formula simplification. DAG size of input: 2142 DAG size of output: 3536 [2021-06-16 20:27:20,372 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 2084 DAG size of output: 2084 [2021-06-16 20:27:23,597 WARN L205 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 1320 DAG size of output: 1844 [2021-06-16 20:27:29,947 WARN L205 SmtUtils]: Spent 6.34 s on a formula simplification. DAG size of input: 1316 DAG size of output: 1538 [2021-06-16 20:27:37,369 WARN L205 SmtUtils]: Spent 7.41 s on a formula simplification. DAG size of input: 1306 DAG size of output: 2171 [2021-06-16 20:27:43,946 WARN L205 SmtUtils]: Spent 6.57 s on a formula simplification. DAG size of input: 1272 DAG size of output: 1665 [2021-06-16 20:27:51,508 WARN L205 SmtUtils]: Spent 7.55 s on a formula simplification. DAG size of input: 1269 DAG size of output: 1672 [2021-06-16 20:27:51,772 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 1203 DAG size of output: 1203 [2021-06-16 20:27:52,410 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 373 [2021-06-16 20:27:52,574 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 402 [2021-06-16 20:27:52,769 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 439 [2021-06-16 20:27:53,427 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 360 [2021-06-16 20:27:53,577 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 394 [2021-06-16 20:27:53,998 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 696 DAG size of output: 665 [2021-06-16 20:27:54,450 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 709 DAG size of output: 678 [2021-06-16 20:27:54,988 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 356 [2021-06-16 20:27:55,136 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 381 [2021-06-16 20:27:55,311 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 412 [2021-06-16 20:27:56,007 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 370 [2021-06-16 20:27:56,372 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 634 [2021-06-16 20:27:56,752 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 646 [2021-06-16 20:27:57,702 WARN L205 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 1205 DAG size of output: 1143 [2021-06-16 20:27:58,471 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 395 [2021-06-16 20:27:58,645 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 406 [2021-06-16 20:27:59,521 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 421 [2021-06-16 20:27:59,719 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 433 [2021-06-16 20:28:00,134 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 693 DAG size of output: 682 [2021-06-16 20:28:01,572 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1717 DAG size of output: 1601 [2021-06-16 20:28:02,147 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 314 [2021-06-16 20:28:02,272 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 324 [2021-06-16 20:28:02,949 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 345 [2021-06-16 20:28:03,091 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 356 [2021-06-16 20:28:03,399 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 525 [2021-06-16 20:28:04,192 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 341 [2021-06-16 20:28:04,678 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 802 DAG size of output: 713 [2021-06-16 20:28:06,960 WARN L205 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 2072 DAG size of output: 1911 [2021-06-16 20:28:11,355 WARN L205 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 1178 DAG size of output: 1596 [2021-06-16 20:28:14,953 WARN L205 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 1102 DAG size of output: 1398 [2021-06-16 20:28:17,616 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 1101 DAG size of output: 1312 [2021-06-16 20:28:21,252 WARN L205 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 1095 DAG size of output: 1408 [2021-06-16 20:28:21,489 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 1091 [2021-06-16 20:28:22,312 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 321 [2021-06-16 20:28:22,446 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 350 [2021-06-16 20:28:22,672 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 386 [2021-06-16 20:28:22,942 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 412 [2021-06-16 20:28:23,669 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 303 [2021-06-16 20:28:23,841 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 332 [2021-06-16 20:28:24,378 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 597 [2021-06-16 20:28:24,683 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 457 [2021-06-16 20:28:24,982 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 444 [2021-06-16 20:28:25,235 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 281 [2021-06-16 20:28:26,158 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 284 [2021-06-16 20:28:26,604 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 239 [2021-06-16 20:28:27,004 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 304 [2021-06-16 20:28:27,442 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 419 [2021-06-16 20:28:28,076 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 245 [2021-06-16 20:28:28,770 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 243 [2021-06-16 20:28:28,963 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 308 [2021-06-16 20:28:29,341 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 402 [2021-06-16 20:28:30,259 WARN L205 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 586 [2021-06-16 20:28:31,443 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 610 DAG size of output: 648 [2021-06-16 20:28:32,360 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2021-06-16 20:28:32,586 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 270 [2021-06-16 20:28:32,879 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 308 [2021-06-16 20:28:33,352 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 199 [2021-06-16 20:28:33,598 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2021-06-16 20:28:34,118 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 380 [2021-06-16 20:28:36,131 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 849 DAG size of output: 882 [2021-06-16 20:28:36,449 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 410 [2021-06-16 20:28:36,661 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 342 [2021-06-16 20:28:37,552 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 224 [2021-06-16 20:28:38,122 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2021-06-16 20:28:38,338 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 338 [2021-06-16 20:28:38,881 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 229 [2021-06-16 20:28:39,293 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 412 [2021-06-16 20:28:39,857 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 515 [2021-06-16 20:28:40,495 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 526 [2021-06-16 20:28:41,147 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 236 [2021-06-16 20:28:41,743 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 306 [2021-06-16 20:28:42,028 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 377 [2021-06-16 20:28:42,950 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 302 [2021-06-16 20:28:43,701 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 281 [2021-06-16 20:28:44,033 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 377 [2021-06-16 20:28:44,743 WARN L205 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 587 [2021-06-16 20:28:46,312 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 946 DAG size of output: 855 [2021-06-16 20:28:48,314 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 1051 DAG size of output: 957 [2021-06-16 20:28:48,568 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 290 [2021-06-16 20:28:48,683 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 285 [2021-06-16 20:28:49,621 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 252 [2021-06-16 20:28:49,792 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 316 [2021-06-16 20:28:50,037 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 389 [2021-06-16 20:28:50,342 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 405 [2021-06-16 20:28:50,911 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 267 [2021-06-16 20:28:51,099 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 320 [2021-06-16 20:28:51,606 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 281 [2021-06-16 20:28:51,921 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 401 [2021-06-16 20:28:52,621 WARN L205 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 562 [2021-06-16 20:28:53,291 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 292 [2021-06-16 20:28:54,034 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 318 [2021-06-16 20:28:54,361 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 410 [2021-06-16 20:28:55,042 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 261 [2021-06-16 20:28:55,240 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 320 [2021-06-16 20:28:55,754 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 279 [2021-06-16 20:28:55,892 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 300 [2021-06-16 20:28:56,231 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 418 [2021-06-16 20:28:56,947 WARN L205 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 566 [2021-06-16 20:28:58,521 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1051 DAG size of output: 864 [2021-06-16 20:29:00,405 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 1113 DAG size of output: 917 [2021-06-16 20:29:01,489 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 284 [2021-06-16 20:29:01,707 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 359 [2021-06-16 20:29:02,283 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 296 [2021-06-16 20:29:02,712 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 265 [2021-06-16 20:29:02,946 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 375 [2021-06-16 20:29:03,477 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 503 [2021-06-16 20:29:04,150 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 235 [2021-06-16 20:29:04,333 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 264 [2021-06-16 20:29:04,846 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 242 [2021-06-16 20:29:05,166 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 325 [2021-06-16 20:29:05,662 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 438 [2021-06-16 20:29:06,782 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 749 DAG size of output: 750 [2021-06-16 20:29:08,193 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 800 DAG size of output: 800 [2021-06-16 20:29:11,937 WARN L205 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 1555 DAG size of output: 1414 [2021-06-16 20:29:18,477 WARN L205 SmtUtils]: Spent 6.53 s on a formula simplification. DAG size of input: 2320 DAG size of output: 2079 [2021-06-16 20:29:26,442 WARN L205 SmtUtils]: Spent 7.95 s on a formula simplification. DAG size of input: 2889 DAG size of output: 2253 [2021-06-16 20:29:26,995 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 257 [2021-06-16 20:29:27,122 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 267 [2021-06-16 20:29:36,275 WARN L205 SmtUtils]: Spent 9.15 s on a formula simplification. DAG size of input: 3026 DAG size of output: 2377 [2021-06-16 20:29:36,865 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 514 [2021-06-16 20:29:37,607 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2021-06-16 20:29:38,570 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 209 [2021-06-16 20:29:38,793 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 271 [2021-06-16 20:29:39,079 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 311 [2021-06-16 20:29:39,574 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 380 [2021-06-16 20:29:39,752 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 316 [2021-06-16 20:29:39,911 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 323 [2021-06-16 20:29:40,034 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 303 [2021-06-16 20:29:40,924 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 305 [2021-06-16 20:29:41,503 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 256 [2021-06-16 20:29:42,052 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 312 [2021-06-16 20:29:42,430 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 436 [2021-06-16 20:29:43,279 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 256 [2021-06-16 20:29:43,440 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 306 [2021-06-16 20:29:44,299 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 300 [2021-06-16 20:29:44,658 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 430 [2021-06-16 20:29:45,460 WARN L205 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 618 [2021-06-16 20:29:45,580 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 307 [2021-06-16 20:29:46,251 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 283 [2021-06-16 20:29:46,397 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 302 [2021-06-16 20:29:47,131 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 279 [2021-06-16 20:29:47,479 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 420 [2021-06-16 20:29:47,618 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 358 [2021-06-16 20:29:48,391 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 302 [2021-06-16 20:29:48,533 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 332 [2021-06-16 20:29:48,669 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 316 [2021-06-16 20:29:49,161 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 294 [2021-06-16 20:29:49,414 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 346 [2021-06-16 20:29:49,813 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 442 [2021-06-16 20:29:50,662 WARN L205 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 734 DAG size of output: 616 [2021-06-16 20:29:52,511 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 1144 DAG size of output: 978 [2021-06-16 20:29:54,810 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 1236 DAG size of output: 1068 [2021-06-16 20:29:57,125 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 1461 DAG size of output: 976 [2021-06-16 20:30:00,195 WARN L205 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 1567 DAG size of output: 1074 [2021-06-16 20:30:00,541 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 389 [2021-06-16 20:30:00,744 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 388 [2021-06-16 20:30:00,969 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 388 [2021-06-16 20:30:01,190 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 435 [2021-06-16 20:30:01,508 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 446 [2021-06-16 20:30:01,644 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 370 [2021-06-16 20:30:01,861 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 386 [2021-06-16 20:30:02,506 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 300 [2021-06-16 20:30:02,736 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 352 [2021-06-16 20:30:03,205 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 455 [2021-06-16 20:30:03,457 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 373 [2021-06-16 20:30:04,245 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 293 [2021-06-16 20:30:04,575 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 308 [2021-06-16 20:30:04,949 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 401 [2021-06-16 20:30:05,787 WARN L205 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 774 DAG size of output: 636 [2021-06-16 20:30:06,026 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 459 [2021-06-16 20:30:06,365 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 466 [2021-06-16 20:30:06,888 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 260 [2021-06-16 20:30:07,434 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 340 [2021-06-16 20:30:07,922 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-06-16 20:30:08,400 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 497 [2021-06-16 20:30:08,679 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 393 [2021-06-16 20:30:08,804 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 347 [2021-06-16 20:30:08,974 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 348 [2021-06-16 20:30:09,577 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 261 [2021-06-16 20:30:09,800 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 319 [2021-06-16 20:30:10,221 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 408 [2021-06-16 20:30:11,107 WARN L205 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 681 [2021-06-16 20:30:13,021 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 1233 DAG size of output: 968 [2021-06-16 20:30:13,235 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 384 [2021-06-16 20:30:13,478 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 451 [2021-06-16 20:30:14,463 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 287 [2021-06-16 20:30:14,738 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 369 [2021-06-16 20:30:15,328 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 408 [2021-06-16 20:30:15,665 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 462 [2021-06-16 20:30:15,799 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 378 [2021-06-16 20:30:16,015 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 394 [2021-06-16 20:30:16,656 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 305 [2021-06-16 20:30:16,891 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 357 [2021-06-16 20:30:17,355 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 462 [2021-06-16 20:30:18,207 WARN L205 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 641 [2021-06-16 20:30:18,438 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 427 [2021-06-16 20:30:19,306 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 278 [2021-06-16 20:30:19,900 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 307 [2021-06-16 20:30:20,230 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 381 [2021-06-16 20:30:20,668 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 443 [2021-06-16 20:30:20,924 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 369 [2021-06-16 20:30:21,701 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 279 [2021-06-16 20:30:21,895 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 308 [2021-06-16 20:30:22,284 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 399 [2021-06-16 20:30:23,123 WARN L205 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 747 DAG size of output: 623 [2021-06-16 20:30:24,960 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 1208 DAG size of output: 945 [2021-06-16 20:30:29,186 WARN L205 SmtUtils]: Spent 4.22 s on a formula simplification. DAG size of input: 1884 DAG size of output: 1436 [2021-06-16 20:30:34,352 WARN L205 SmtUtils]: Spent 5.16 s on a formula simplification. DAG size of input: 2012 DAG size of output: 1581 [2021-06-16 20:30:35,140 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 293 [2021-06-16 20:30:35,313 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 304 [2021-06-16 20:30:41,470 WARN L205 SmtUtils]: Spent 6.15 s on a formula simplification. DAG size of input: 2189 DAG size of output: 1741 [2021-06-16 20:30:51,768 WARN L205 SmtUtils]: Spent 10.29 s on a formula simplification. DAG size of input: 3225 DAG size of output: 2355 [2021-06-16 20:31:12,912 WARN L205 SmtUtils]: Spent 21.13 s on a formula simplification. DAG size of input: 5151 DAG size of output: 3699 [2021-06-16 20:31:37,237 WARN L205 SmtUtils]: Spent 24.30 s on a formula simplification. DAG size of input: 5285 DAG size of output: 3839 [2021-06-16 20:31:38,125 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 218 [2021-06-16 20:31:38,281 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 228 [2021-06-16 20:31:38,859 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 438 [2021-06-16 20:31:40,052 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 307 [2021-06-16 20:31:41,066 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 318 [2021-06-16 20:31:41,541 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 459 [2021-06-16 20:31:42,138 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 514 [2021-06-16 20:31:42,686 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 338 [2021-06-16 20:31:43,592 WARN L205 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 701 DAG size of output: 702 [2021-06-16 20:31:44,594 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 260 [2021-06-16 20:31:45,382 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 274 [2021-06-16 20:31:45,779 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 405 [2021-06-16 20:31:46,286 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 460 [2021-06-16 20:31:46,849 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 338 [2021-06-16 20:31:47,655 WARN L205 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 635 [2021-06-16 20:31:48,675 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 659 DAG size of output: 679 [2021-06-16 20:31:50,878 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 937 DAG size of output: 1011 [2021-06-16 20:31:51,785 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 292 [2021-06-16 20:31:52,293 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 385 [2021-06-16 20:31:53,326 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 263 [2021-06-16 20:31:53,579 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 316 [2021-06-16 20:31:54,140 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 408 [2021-06-16 20:31:55,027 WARN L205 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 569 [2021-06-16 20:31:58,055 WARN L205 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 1202 DAG size of output: 1222 [2021-06-16 20:31:58,383 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 376 [2021-06-16 20:31:58,639 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 363 [2021-06-16 20:31:58,863 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 418 [2021-06-16 20:31:58,979 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 346 [2021-06-16 20:31:59,187 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 373 [2021-06-16 20:31:59,922 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 292 [2021-06-16 20:32:00,133 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 331 [2021-06-16 20:32:01,117 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 282 [2021-06-16 20:32:01,482 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 431 [2021-06-16 20:32:01,686 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 394 [2021-06-16 20:32:02,646 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 280 [2021-06-16 20:32:03,693 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 278 [2021-06-16 20:32:03,865 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 315 [2021-06-16 20:32:04,192 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 414 [2021-06-16 20:32:04,954 WARN L205 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 627 [2021-06-16 20:32:05,144 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 361 [2021-06-16 20:32:05,332 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 392 [2021-06-16 20:32:06,212 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 280 [2021-06-16 20:32:06,378 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 315 [2021-06-16 20:32:07,173 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 278 [2021-06-16 20:32:07,521 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 411 [2021-06-16 20:32:07,725 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 416 [2021-06-16 20:32:08,563 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 280 [2021-06-16 20:32:08,845 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 371 [2021-06-16 20:32:09,408 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 293 [2021-06-16 20:32:09,624 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 330 [2021-06-16 20:32:09,990 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 430 [2021-06-16 20:32:10,742 WARN L205 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 865 DAG size of output: 624 [2021-06-16 20:32:12,451 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1154 DAG size of output: 777 [2021-06-16 20:32:14,632 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 1272 DAG size of output: 894 [2021-06-16 20:32:20,697 WARN L205 SmtUtils]: Spent 6.06 s on a formula simplification. DAG size of input: 2242 DAG size of output: 1906 [2021-06-16 20:32:21,116 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 436 [2021-06-16 20:32:21,412 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 374 [2021-06-16 20:32:21,628 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 359 [2021-06-16 20:32:21,825 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 414 [2021-06-16 20:32:22,097 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 369 [2021-06-16 20:32:22,655 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 293 [2021-06-16 20:32:22,868 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 328 [2021-06-16 20:32:23,669 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 277 [2021-06-16 20:32:24,015 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 427 [2021-06-16 20:32:24,194 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 390 [2021-06-16 20:32:25,005 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 276 [2021-06-16 20:32:25,877 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 280 [2021-06-16 20:32:26,041 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 313 [2021-06-16 20:32:26,358 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 409 [2021-06-16 20:32:27,114 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 862 DAG size of output: 621 [2021-06-16 20:32:27,311 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 361 [2021-06-16 20:32:27,522 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 416 [2021-06-16 20:32:28,343 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 279 [2021-06-16 20:32:28,626 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 371 [2021-06-16 20:32:29,189 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 293 [2021-06-16 20:32:29,401 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 330 [2021-06-16 20:32:29,756 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 429 [2021-06-16 20:32:29,947 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 392 [2021-06-16 20:32:30,839 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 280 [2021-06-16 20:32:31,007 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 315 [2021-06-16 20:32:31,819 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 278 [2021-06-16 20:32:32,138 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 411 [2021-06-16 20:32:32,908 WARN L205 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 865 DAG size of output: 623 [2021-06-16 20:32:34,697 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1157 DAG size of output: 759 [2021-06-16 20:32:36,890 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 1275 DAG size of output: 876 [2021-06-16 20:32:37,801 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 285 [2021-06-16 20:32:38,278 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 380 [2021-06-16 20:32:39,450 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 253 [2021-06-16 20:32:39,712 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 304 [2021-06-16 20:32:40,113 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 399 [2021-06-16 20:32:40,970 WARN L205 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 560 [2021-06-16 20:32:42,019 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 269 [2021-06-16 20:32:42,759 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 265 [2021-06-16 20:32:43,149 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2021-06-16 20:32:43,639 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 446 [2021-06-16 20:32:44,133 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 329 [2021-06-16 20:32:44,910 WARN L205 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 623 [2021-06-16 20:32:45,869 WARN L205 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 671 DAG size of output: 675 [2021-06-16 20:32:46,811 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2021-06-16 20:32:47,022 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 307 [2021-06-16 20:32:47,523 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 241 [2021-06-16 20:32:48,092 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 300 [2021-06-16 20:32:48,609 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 431 [2021-06-16 20:32:49,234 WARN L205 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 484 [2021-06-16 20:32:49,744 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 329 [2021-06-16 20:32:50,687 WARN L205 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 703 DAG size of output: 681 [2021-06-16 20:32:52,891 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 960 DAG size of output: 1007 [2021-06-16 20:32:55,954 WARN L205 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 1227 DAG size of output: 1204 [2021-06-16 20:33:02,091 WARN L205 SmtUtils]: Spent 6.13 s on a formula simplification. DAG size of input: 2273 DAG size of output: 1873 [2021-06-16 20:33:15,518 WARN L205 SmtUtils]: Spent 13.41 s on a formula simplification. DAG size of input: 3626 DAG size of output: 3012 [2021-06-16 20:33:30,922 WARN L205 SmtUtils]: Spent 15.38 s on a formula simplification. DAG size of input: 3733 DAG size of output: 3114 [2021-06-16 20:33:48,669 WARN L205 SmtUtils]: Spent 17.72 s on a formula simplification. DAG size of input: 3858 DAG size of output: 3216 [2021-06-16 20:34:36,514 WARN L205 SmtUtils]: Spent 47.81 s on a formula simplification. DAG size of input: 8350 DAG size of output: 6493 [2021-06-16 20:34:38,964 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 765 DAG size of output: 1165 [2021-06-16 20:34:39,909 WARN L205 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 801 [2021-06-16 20:34:42,260 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 760 DAG size of output: 1013 [2021-06-16 20:34:44,172 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 753 DAG size of output: 864 [2021-06-16 20:34:45,485 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 283 [2021-06-16 20:34:46,270 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 261 [2021-06-16 20:34:46,656 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 383 [2021-06-16 20:34:47,454 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 259 [2021-06-16 20:34:48,421 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 284 [2021-06-16 20:34:48,790 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 381 [2021-06-16 20:34:49,621 WARN L205 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 547 [2021-06-16 20:34:49,858 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 298 [2021-06-16 20:34:50,690 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 271 [2021-06-16 20:34:51,357 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 242 [2021-06-16 20:34:51,509 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 277 [2021-06-16 20:34:51,841 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 395 [2021-06-16 20:34:52,385 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 478 [2021-06-16 20:34:53,351 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 288 [2021-06-16 20:34:53,935 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2021-06-16 20:34:54,086 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 253 [2021-06-16 20:34:54,474 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 402 [2021-06-16 20:34:55,080 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 471 [2021-06-16 20:34:56,112 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 795 DAG size of output: 747 [2021-06-16 20:34:57,369 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 828 DAG size of output: 750 [2021-06-16 20:34:57,478 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 277 [2021-06-16 20:34:58,474 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 256 [2021-06-16 20:34:59,317 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 191 [2021-06-16 20:34:59,475 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 213 [2021-06-16 20:34:59,843 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 352 [2021-06-16 20:35:00,318 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 423 [2021-06-16 20:35:01,008 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 238 [2021-06-16 20:35:01,150 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 288 [2021-06-16 20:35:01,682 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 333 [2021-06-16 20:35:01,928 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 271 [2021-06-16 20:35:02,299 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 255 [2021-06-16 20:35:02,493 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 284 [2021-06-16 20:35:03,133 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 338 [2021-06-16 20:35:03,653 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 451 [2021-06-16 20:35:04,765 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 728 DAG size of output: 652 [2021-06-16 20:35:07,430 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1113 [2021-06-16 20:35:10,268 WARN L205 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 1618 DAG size of output: 1151 [2021-06-16 20:35:13,534 WARN L205 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 1690 DAG size of output: 1217 [2021-06-16 20:35:14,866 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 265 [2021-06-16 20:35:15,514 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 231 [2021-06-16 20:35:15,836 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 365 [2021-06-16 20:35:16,307 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 468 [2021-06-16 20:35:16,888 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 489 [2021-06-16 20:35:17,668 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 292 [2021-06-16 20:35:18,239 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 240 [2021-06-16 20:35:18,384 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 274 [2021-06-16 20:35:18,692 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 396 [2021-06-16 20:35:19,363 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 242 [2021-06-16 20:35:19,512 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 280 [2021-06-16 20:35:20,329 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 294 [2021-06-16 20:35:20,637 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 402 [2021-06-16 20:35:21,350 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 574 DAG size of output: 550 [2021-06-16 20:35:22,820 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 842 DAG size of output: 808 [2021-06-16 20:35:24,133 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 305 [2021-06-16 20:35:25,338 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 301 [2021-06-16 20:35:25,763 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 388 [2021-06-16 20:35:26,811 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 198 [2021-06-16 20:35:27,036 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 257 [2021-06-16 20:35:27,430 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 311 [2021-06-16 20:35:28,280 WARN L205 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 545 [2021-06-16 20:35:30,220 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 1181 DAG size of output: 920 [2021-06-16 20:35:32,533 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 1221 DAG size of output: 955 [2021-06-16 20:35:39,119 WARN L205 SmtUtils]: Spent 6.58 s on a formula simplification. DAG size of input: 2494 DAG size of output: 1879 [2021-06-16 20:35:47,578 WARN L205 SmtUtils]: Spent 8.44 s on a formula simplification. DAG size of input: 2870 DAG size of output: 2341 [2021-06-16 20:35:48,162 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 406 [2021-06-16 20:35:48,560 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 423 [2021-06-16 20:35:49,395 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 237 [2021-06-16 20:35:49,590 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 278 [2021-06-16 20:35:50,145 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 337 [2021-06-16 20:35:50,559 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 219 [2021-06-16 20:35:51,129 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 250 [2021-06-16 20:35:51,378 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 290 [2021-06-16 20:35:51,654 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 355 [2021-06-16 20:35:52,291 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 442 [2021-06-16 20:35:53,099 WARN L205 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 548 [2021-06-16 20:35:53,407 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 311 [2021-06-16 20:35:53,927 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 279 [2021-06-16 20:35:54,063 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 304 [2021-06-16 20:35:54,315 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 377 [2021-06-16 20:35:54,827 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 269 [2021-06-16 20:35:54,983 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 292 [2021-06-16 20:35:55,400 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 467 [2021-06-16 20:35:56,484 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 356 [2021-06-16 20:35:56,775 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 432 [2021-06-16 20:35:57,123 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 454 [2021-06-16 20:35:57,986 WARN L205 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 704 DAG size of output: 669 [2021-06-16 20:35:59,938 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 993 DAG size of output: 928 [2021-06-16 20:36:01,176 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 263 [2021-06-16 20:36:01,403 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 314 [2021-06-16 20:36:02,576 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 348 [2021-06-16 20:36:03,114 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 459 [2021-06-16 20:36:03,880 WARN L205 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 579 [2021-06-16 20:36:04,902 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 356 [2021-06-16 20:36:05,211 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 383 [2021-06-16 20:36:05,782 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 259 [2021-06-16 20:36:05,944 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 285 [2021-06-16 20:36:06,476 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 480 [2021-06-16 20:36:07,377 WARN L205 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 593 [2021-06-16 20:36:08,351 WARN L205 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 617 [2021-06-16 20:36:10,259 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 870 DAG size of output: 884 [2021-06-16 20:36:14,432 WARN L205 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 1534 DAG size of output: 1523 [2021-06-16 20:36:19,502 WARN L205 SmtUtils]: Spent 5.06 s on a formula simplification. DAG size of input: 1662 DAG size of output: 1666 [2021-06-16 20:36:20,502 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 254 [2021-06-16 20:36:20,747 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 330 [2021-06-16 20:36:21,124 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 415 [2021-06-16 20:36:22,081 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 260 [2021-06-16 20:36:22,338 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 329 [2021-06-16 20:36:22,704 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 422 [2021-06-16 20:36:23,615 WARN L205 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 559 [2021-06-16 20:36:29,329 WARN L205 SmtUtils]: Spent 5.71 s on a formula simplification. DAG size of input: 1894 DAG size of output: 1719 [2021-06-16 20:36:36,578 WARN L205 SmtUtils]: Spent 6.72 s on a formula simplification. DAG size of input: 2009 DAG size of output: 1825 [2021-06-16 20:36:37,277 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 467 [2021-06-16 20:36:38,083 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 263 [2021-06-16 20:36:38,839 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 338 [2021-06-16 20:36:39,456 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 445 [2021-06-16 20:36:40,212 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 231 [2021-06-16 20:36:40,349 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2021-06-16 20:36:40,810 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 223 [2021-06-16 20:36:41,114 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 345 [2021-06-16 20:36:41,579 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 466 [2021-06-16 20:36:42,560 WARN L205 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 692 DAG size of output: 688 [2021-06-16 20:36:43,272 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 272 [2021-06-16 20:36:43,458 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 327 [2021-06-16 20:36:43,999 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 391 [2021-06-16 20:36:44,448 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 241 [2021-06-16 20:36:44,552 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 277 [2021-06-16 20:36:45,133 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 328 [2021-06-16 20:36:45,401 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 392 [2021-06-16 20:36:46,000 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 542 [2021-06-16 20:36:46,248 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 279 [2021-06-16 20:36:46,848 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 330 [2021-06-16 20:36:47,275 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 243 [2021-06-16 20:36:47,562 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 394 [2021-06-16 20:36:48,232 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 274 [2021-06-16 20:36:48,436 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 329 [2021-06-16 20:36:49,023 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 395 [2021-06-16 20:36:49,645 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 546 [2021-06-16 20:36:51,041 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 816 DAG size of output: 763 [2021-06-16 20:36:53,898 WARN L205 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 1175 DAG size of output: 1122 [2021-06-16 20:36:54,115 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 302 [2021-06-16 20:36:54,941 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 255 [2021-06-16 20:36:55,190 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 319 [2021-06-16 20:36:55,629 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 206 [2021-06-16 20:36:56,069 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 242 [2021-06-16 20:36:56,318 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 322 [2021-06-16 20:36:56,872 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 500 [2021-06-16 20:36:57,042 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 300 [2021-06-16 20:36:57,560 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 299 [2021-06-16 20:36:57,999 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 238 [2021-06-16 20:36:58,231 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 291 [2021-06-16 20:36:58,575 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 361 [2021-06-16 20:36:59,437 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 240 [2021-06-16 20:36:59,675 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 320 [2021-06-16 20:37:00,331 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 515 [2021-06-16 20:37:01,730 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 700 DAG size of output: 716 [2021-06-16 20:37:06,057 WARN L205 SmtUtils]: Spent 4.32 s on a formula simplification. DAG size of input: 1678 DAG size of output: 1384 [2021-06-16 20:37:11,413 WARN L205 SmtUtils]: Spent 5.35 s on a formula simplification. DAG size of input: 1840 DAG size of output: 1603 [2021-06-16 20:37:17,653 WARN L205 SmtUtils]: Spent 6.23 s on a formula simplification. DAG size of input: 1907 DAG size of output: 1662 [2021-06-16 20:37:32,448 WARN L205 SmtUtils]: Spent 14.78 s on a formula simplification. DAG size of input: 3341 DAG size of output: 3040 [2021-06-16 20:37:58,706 WARN L205 SmtUtils]: Spent 26.24 s on a formula simplification. DAG size of input: 5467 DAG size of output: 4541 [2021-06-16 20:37:58,854 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 737 DAG size of output: 737 [2021-06-16 20:37:59,719 WARN L205 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 572 [2021-06-16 20:38:00,205 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 465 [2021-06-16 20:38:00,466 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 298 [2021-06-16 20:38:01,029 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 238 [2021-06-16 20:38:01,629 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 318 [2021-06-16 20:38:02,152 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 297 [2021-06-16 20:38:02,637 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 238 [2021-06-16 20:38:02,862 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 289 [2021-06-16 20:38:03,208 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 359 [2021-06-16 20:38:03,861 WARN L205 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 513 [2021-06-16 20:38:04,033 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 300 [2021-06-16 20:38:04,602 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 240 [2021-06-16 20:38:05,216 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 320 [2021-06-16 20:38:05,437 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 299 [2021-06-16 20:38:05,873 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 241 [2021-06-16 20:38:06,112 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 294 [2021-06-16 20:38:06,743 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 364 [2021-06-16 20:38:07,405 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 518 [2021-06-16 20:38:08,918 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 674 DAG size of output: 664 [2021-06-16 20:38:09,115 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 336 [2021-06-16 20:38:09,233 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 363 [2021-06-16 20:38:09,810 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 291 [2021-06-16 20:38:09,916 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 277 [2021-06-16 20:38:10,496 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 328 [2021-06-16 20:38:10,859 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 403 [2021-06-16 20:38:11,750 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 308 [2021-06-16 20:38:12,333 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 517 [2021-06-16 20:38:12,440 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 351 [2021-06-16 20:38:13,105 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 294 [2021-06-16 20:38:13,328 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 358 [2021-06-16 20:38:14,127 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 272 [2021-06-16 20:38:14,334 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 337 [2021-06-16 20:38:14,729 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 398 [2021-06-16 20:38:15,297 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 504 [2021-06-16 20:38:16,571 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 841 DAG size of output: 753 [2021-06-16 20:38:16,721 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 334 [2021-06-16 20:38:16,836 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 361 [2021-06-16 20:38:17,694 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 306 [2021-06-16 20:38:18,391 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 326 [2021-06-16 20:38:18,933 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 287 [2021-06-16 20:38:19,279 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 401 [2021-06-16 20:38:19,835 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 512 [2021-06-16 20:38:19,939 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 349 [2021-06-16 20:38:20,598 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 294 [2021-06-16 20:38:20,827 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 356 [2021-06-16 20:38:21,591 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 270 [2021-06-16 20:38:21,796 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 335 [2021-06-16 20:38:22,179 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 396 [2021-06-16 20:38:22,766 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 504 [2021-06-16 20:38:24,024 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 838 DAG size of output: 751 [2021-06-16 20:38:26,884 WARN L205 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 1237 DAG size of output: 1090 [2021-06-16 20:38:31,438 WARN L205 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 1724 DAG size of output: 1328 [2021-06-16 20:38:37,177 WARN L205 SmtUtils]: Spent 5.73 s on a formula simplification. DAG size of input: 1886 DAG size of output: 1547 [2021-06-16 20:38:44,287 WARN L205 SmtUtils]: Spent 6.68 s on a formula simplification. DAG size of input: 1990 DAG size of output: 1637 [2021-06-16 20:38:45,032 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 492 [2021-06-16 20:38:45,572 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 502 [2021-06-16 20:38:45,848 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 486 [2021-06-16 20:38:45,969 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 414 [2021-06-16 20:38:46,172 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 338 [2021-06-16 20:38:46,816 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 328 [2021-06-16 20:38:47,446 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 348 [2021-06-16 20:38:47,750 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 383 [2021-06-16 20:38:48,619 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 246 [2021-06-16 20:38:48,797 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 288 [2021-06-16 20:38:49,266 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 493 [2021-06-16 20:38:49,518 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 511 [2021-06-16 20:38:49,742 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 315 [2021-06-16 20:38:50,284 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 297 [2021-06-16 20:38:50,709 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 240 [2021-06-16 20:38:51,142 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 254 [2021-06-16 20:38:51,275 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 279 [2021-06-16 20:38:51,555 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 368 [2021-06-16 20:38:51,976 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 445 [2021-06-16 20:38:52,818 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 275 [2021-06-16 20:38:53,402 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 548 [2021-06-16 20:38:54,583 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 972 DAG size of output: 741 [2021-06-16 20:38:55,068 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 500 [2021-06-16 20:38:55,304 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 509 [2021-06-16 20:38:56,075 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 273 [2021-06-16 20:38:56,719 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 277 [2021-06-16 20:38:57,118 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2021-06-16 20:38:57,413 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 366 [2021-06-16 20:38:57,571 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 313 [2021-06-16 20:38:58,111 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 296 [2021-06-16 20:38:58,524 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 442 [2021-06-16 20:38:59,120 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 659 DAG size of output: 541 [2021-06-16 20:38:59,383 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 484 [2021-06-16 20:38:59,940 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 244 [2021-06-16 20:39:00,358 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 286 [2021-06-16 20:39:00,481 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 412 [2021-06-16 20:39:01,070 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 336 [2021-06-16 20:39:01,690 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 328 [2021-06-16 20:39:01,900 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 348 [2021-06-16 20:39:02,195 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 381 [2021-06-16 20:39:02,678 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 644 DAG size of output: 489 [2021-06-16 20:39:03,868 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 970 DAG size of output: 734 Received shutdown request... [2021-06-16 20:39:06,539 WARN L205 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 1297 DAG size of output: 956 [2021-06-16 20:39:10,067 WARN L205 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 1469 DAG size of output: 1172 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown