/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-None-NoLbe.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-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-13 21:59:09,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-13 21:59:09,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-13 21:59:09,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-13 21:59:09,681 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-None-NoLbe.epf [2021-07-13 21:59:09,703 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-13 21:59:09,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-13 21:59:09,704 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-13 21:59:09,704 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-13 21:59:09,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-13 21:59:09,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-13 21:59:09,706 INFO L138 SettingsManager]: * Use SBE=true [2021-07-13 21:59:09,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-13 21:59:09,706 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-13 21:59:09,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-13 21:59:09,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-13 21:59:09,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-13 21:59:09,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-13 21:59:09,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-13 21:59:09,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-13 21:59:09,707 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-13 21:59:09,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-13 21:59:09,707 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-13 21:59:09,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-13 21:59:09,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-13 21:59:09,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-13 21:59:09,708 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-13 21:59:09,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-13 21:59:09,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 21:59:09,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-13 21:59:09,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-13 21:59:09,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-13 21:59:09,709 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-13 21:59:09,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-13 21:59:09,709 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-13 21:59:09,709 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-13 21:59:09,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-13 21:59:09,710 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-13 21:59:09,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-13 21:59:09,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-13 21:59:09,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-13 21:59:09,996 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-13 21:59:09,997 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-13 21:59:09,998 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-5.wvr.bpl [2021-07-13 21:59:09,998 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-5.wvr.bpl' [2021-07-13 21:59:10,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-13 21:59:10,029 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-13 21:59:10,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-13 21:59:10,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-13 21:59:10,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-13 21:59:10,041 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 13.07 09:59:10" (1/1) ... [2021-07-13 21:59:10,048 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 13.07 09:59:10" (1/1) ... [2021-07-13 21:59:10,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-13 21:59:10,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-13 21:59:10,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-13 21:59:10,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-13 21:59:10,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 09:59:10" (1/1) ... [2021-07-13 21:59:10,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 09:59:10" (1/1) ... [2021-07-13 21:59:10,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 09:59:10" (1/1) ... [2021-07-13 21:59:10,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 09:59:10" (1/1) ... [2021-07-13 21:59:10,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 09:59:10" (1/1) ... [2021-07-13 21:59:10,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 09:59:10" (1/1) ... [2021-07-13 21:59:10,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 09:59:10" (1/1) ... [2021-07-13 21:59:10,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-13 21:59:10,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-13 21:59:10,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-13 21:59:10,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-13 21:59:10,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 09:59:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 21:59:10,146 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-13 21:59:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-13 21:59:10,146 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-13 21:59:10,146 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-13 21:59:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-13 21:59:10,146 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-13 21:59:10,146 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-13 21:59:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-13 21:59:10,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-13 21:59:10,147 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-13 21:59:10,373 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-13 21:59:10,373 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-13 21:59:10,374 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-13 21:59:10,374 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-13 21:59:10,375 INFO L202 PluginConnector]: Adding new model unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 09:59:10 BoogieIcfgContainer [2021-07-13 21:59:10,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-13 21:59:10,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-13 21:59:10,377 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-13 21:59:10,380 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-13 21:59:10,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 09:59:10" (1/2) ... [2021-07-13 21:59:10,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64af7a02 and model type unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 09:59:10, skipping insertion in model container [2021-07-13 21:59:10,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 09:59:10" (2/2) ... [2021-07-13 21:59:10,382 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-5.wvr.bpl [2021-07-13 21:59:10,386 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-13 21:59:10,387 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-13 21:59:10,387 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-13 21:59:10,387 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-13 21:59:10,426 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-13 21:59:10,447 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-13 21:59:10,501 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-13 21:59:10,501 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-13 21:59:10,501 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-13 21:59:10,504 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-13 21:59:10,504 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-13 21:59:10,504 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-13 21:59:10,504 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-13 21:59:10,504 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-13 21:59:10,512 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 20 places, 15 transitions, 46 flow [2021-07-13 21:59:10,527 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 13 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 21:59:10,534 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:59:10,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:59:10,540 INFO L82 PathProgramCache]: Analyzing trace with hash -557316947, now seen corresponding path program 1 times [2021-07-13 21:59:10,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:59:10,546 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266622260] [2021-07-13 21:59:10,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:59:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:59:10,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 21:59:10,708 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:59:10,708 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266622260] [2021-07-13 21:59:10,710 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266622260] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 21:59:10,710 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 21:59:10,710 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-13 21:59:10,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330818572] [2021-07-13 21:59:10,715 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-13 21:59:10,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 21:59:10,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-13 21:59:10,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-13 21:59:10,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:59:10,733 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 21:59:10,733 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 21:59:10,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:59:10,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:59:10,768 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-13 21:59:10,769 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:59:10,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:59:10,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1018649893, now seen corresponding path program 1 times [2021-07-13 21:59:10,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:59:10,770 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743051641] [2021-07-13 21:59:10,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:59:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:59:10,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 21:59:10,830 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:59:10,830 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743051641] [2021-07-13 21:59:10,830 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743051641] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:59:10,830 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534436093] [2021-07-13 21:59:10,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 21:59:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:59:10,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-13 21:59:10,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 21:59:10,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 21:59:10,953 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534436093] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:59:10,954 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 21:59:10,954 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-07-13 21:59:10,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666029326] [2021-07-13 21:59:10,957 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-13 21:59:10,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 21:59:10,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-13 21:59:10,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-13 21:59:10,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:59:10,960 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 21:59:10,960 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 21:59:10,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:59:10,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:59:10,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:59:10,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:11,205 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 21:59:11,205 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:59:11,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:59:11,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1490307348, now seen corresponding path program 1 times [2021-07-13 21:59:11,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:59:11,206 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443594298] [2021-07-13 21:59:11,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:59:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:59:11,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 21:59:11,238 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:59:11,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443594298] [2021-07-13 21:59:11,239 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443594298] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:59:11,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809191547] [2021-07-13 21:59:11,239 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 [2021-07-13 21:59:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:59:11,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-13 21:59:11,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 21:59:11,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 21:59:11,299 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809191547] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:59:11,299 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 21:59:11,299 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-13 21:59:11,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792672691] [2021-07-13 21:59:11,299 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-13 21:59:11,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 21:59:11,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-13 21:59:11,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-13 21:59:11,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:59:11,301 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 21:59:11,301 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 21:59:11,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:59:11,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:11,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:59:11,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:59:11,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:11,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:11,540 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 21:59:11,540 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:59:11,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:59:11,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1845330330, now seen corresponding path program 2 times [2021-07-13 21:59:11,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:59:11,542 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063674666] [2021-07-13 21:59:11,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:59:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:59:11,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 21:59:11,628 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:59:11,630 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063674666] [2021-07-13 21:59:11,630 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063674666] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:59:11,630 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929317962] [2021-07-13 21:59:11,630 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 [2021-07-13 21:59:11,678 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 21:59:11,678 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 21:59:11,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-13 21:59:11,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 21:59:11,757 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 21:59:11,757 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929317962] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:59:11,758 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 21:59:11,758 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-07-13 21:59:11,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563887270] [2021-07-13 21:59:11,758 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-13 21:59:11,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 21:59:11,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-13 21:59:11,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-13 21:59:11,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:59:11,760 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 21:59:11,760 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 21:59:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:59:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:59:11,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:59:11,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:11,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:11,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:59:12,012 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 21:59:12,013 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:59:12,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:59:12,014 INFO L82 PathProgramCache]: Analyzing trace with hash -2124084052, now seen corresponding path program 3 times [2021-07-13 21:59:12,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:59:12,014 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823023086] [2021-07-13 21:59:12,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:59:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:59:12,097 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 21:59:12,097 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:59:12,098 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823023086] [2021-07-13 21:59:12,098 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823023086] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:59:12,098 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312573571] [2021-07-13 21:59:12,098 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 21:59:12,130 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-13 21:59:12,131 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 21:59:12,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-13 21:59:12,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 21:59:12,193 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 21:59:12,194 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312573571] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:59:12,194 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 21:59:12,194 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-13 21:59:12,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106624042] [2021-07-13 21:59:12,195 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-13 21:59:12,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 21:59:12,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-13 21:59:12,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-07-13 21:59:12,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:59:12,198 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 21:59:12,198 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) [2021-07-13 21:59:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:59:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:59:12,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:59:12,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:59:12,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:12,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:12,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:59:12,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:59:12,468 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 21:59:12,469 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:59:12,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:59:12,469 INFO L82 PathProgramCache]: Analyzing trace with hash -621878310, now seen corresponding path program 4 times [2021-07-13 21:59:12,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:59:12,470 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889917062] [2021-07-13 21:59:12,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:59:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:59:12,556 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 21:59:12,556 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:59:12,556 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889917062] [2021-07-13 21:59:12,556 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889917062] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:59:12,556 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611775956] [2021-07-13 21:59:12,557 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 [2021-07-13 21:59:12,598 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 21:59:12,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 21:59:12,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-13 21:59:12,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 21:59:12,686 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 21:59:12,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611775956] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:59:12,687 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 21:59:12,687 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-07-13 21:59:12,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038567205] [2021-07-13 21:59:12,688 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-13 21:59:12,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 21:59:12,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-13 21:59:12,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-07-13 21:59:12,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:59:12,688 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 21:59:12,689 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 21:59:12,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:59:12,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:12,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:12,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:59:12,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:59:12,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:59:12,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:59:12,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:12,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:12,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:59:12,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:59:12,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 21:59:12,952 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 21:59:12,953 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:59:12,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:59:12,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1298140564, now seen corresponding path program 5 times [2021-07-13 21:59:12,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:59:12,954 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278328474] [2021-07-13 21:59:12,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:59:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:59:13,030 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 21:59:13,030 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:59:13,030 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278328474] [2021-07-13 21:59:13,031 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278328474] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:59:13,031 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5806469] [2021-07-13 21:59:13,031 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 [2021-07-13 21:59:13,061 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-13 21:59:13,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 21:59:13,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-13 21:59:13,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 21:59:13,242 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 21:59:13,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-07-13 21:59:13,489 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 21:59:13,490 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 21:59:13,493 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 21:59:13,493 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-07-13 21:59:13,500 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 21:59:13,500 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5806469] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:59:13,501 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 21:59:13,501 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2021-07-13 21:59:13,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670694662] [2021-07-13 21:59:13,502 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-13 21:59:13,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 21:59:13,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-13 21:59:13,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-07-13 21:59:13,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:59:13,509 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 21:59:13,510 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) [2021-07-13 21:59:13,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:59:13,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:13,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:13,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:59:13,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:59:13,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 21:59:13,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:59:13,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:59:13,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:13,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:13,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:59:13,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:59:13,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 21:59:13,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 21:59:13,784 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 21:59:13,785 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:59:13,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:59:13,785 INFO L82 PathProgramCache]: Analyzing trace with hash -787433958, now seen corresponding path program 6 times [2021-07-13 21:59:13,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:59:13,785 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742025331] [2021-07-13 21:59:13,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:59:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:59:13,843 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 21:59:13,844 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:59:13,844 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742025331] [2021-07-13 21:59:13,844 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742025331] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:59:13,844 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244448283] [2021-07-13 21:59:13,844 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 [2021-07-13 21:59:13,870 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-13 21:59:13,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 21:59:13,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-13 21:59:13,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 21:59:13,914 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 21:59:13,915 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [244448283] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:59:13,915 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 21:59:13,915 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-07-13 21:59:13,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903305506] [2021-07-13 21:59:13,915 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-13 21:59:13,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 21:59:13,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-13 21:59:13,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-07-13 21:59:13,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:59:13,916 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 21:59:13,916 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 21:59:13,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:59:13,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:13,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:13,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:59:13,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:59:13,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 21:59:13,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 21:59:13,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:59:14,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:59:14,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:14,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:14,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:59:14,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:59:14,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 21:59:14,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 21:59:14,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 21:59:14,236 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-07-13 21:59:14,237 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:59:14,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:59:14,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1382419341, now seen corresponding path program 7 times [2021-07-13 21:59:14,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:59:14,238 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438737911] [2021-07-13 21:59:14,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:59:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:59:14,327 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-13 21:59:14,327 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:59:14,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438737911] [2021-07-13 21:59:14,327 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438737911] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:59:14,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041459233] [2021-07-13 21:59:14,327 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 [2021-07-13 21:59:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:59:14,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 21:59:14,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 21:59:14,458 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-13 21:59:14,459 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2041459233] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:59:14,459 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 21:59:14,459 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-07-13 21:59:14,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146002367] [2021-07-13 21:59:14,460 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-13 21:59:14,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 21:59:14,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-13 21:59:14,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-07-13 21:59:14,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:59:14,460 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 21:59:14,461 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 21:59:14,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:59:14,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:14,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:14,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:59:14,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:59:14,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 21:59:14,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 21:59:14,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 21:59:14,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:59:14,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:59:14,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:14,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:14,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:59:14,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:59:14,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 21:59:14,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 21:59:14,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 21:59:14,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 21:59:14,876 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 21:59:14,877 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:59:14,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:59:14,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1749771333, now seen corresponding path program 8 times [2021-07-13 21:59:14,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:59:14,877 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922413596] [2021-07-13 21:59:14,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:59:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:59:14,997 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-13 21:59:14,998 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:59:14,998 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922413596] [2021-07-13 21:59:14,998 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922413596] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:59:14,998 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335166562] [2021-07-13 21:59:14,998 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 [2021-07-13 21:59:15,028 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 21:59:15,028 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 21:59:15,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 21:59:15,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 21:59:15,127 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-13 21:59:15,127 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1335166562] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:59:15,127 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 21:59:15,127 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-07-13 21:59:15,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221113556] [2021-07-13 21:59:15,129 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-13 21:59:15,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 21:59:15,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-13 21:59:15,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-07-13 21:59:15,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:59:15,130 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 21:59:15,130 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 21:59:15,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:59:15,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:15,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:15,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:59:15,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:59:15,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 21:59:15,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 21:59:15,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 21:59:15,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 21:59:15,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:59:15,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:59:15,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:15,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:15,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:59:15,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:59:15,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 21:59:15,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 21:59:15,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 21:59:15,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 21:59:15,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-13 21:59:15,544 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 21:59:15,545 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:59:15,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:59:15,545 INFO L82 PathProgramCache]: Analyzing trace with hash -63434419, now seen corresponding path program 9 times [2021-07-13 21:59:15,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:59:15,545 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167481716] [2021-07-13 21:59:15,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:59:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:59:15,670 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-13 21:59:15,671 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:59:15,671 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167481716] [2021-07-13 21:59:15,671 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167481716] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:59:15,671 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826781490] [2021-07-13 21:59:15,671 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 [2021-07-13 21:59:15,708 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-13 21:59:15,708 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 21:59:15,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-13 21:59:15,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 21:59:15,832 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-13 21:59:15,833 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826781490] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:59:15,833 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 21:59:15,833 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-07-13 21:59:15,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801059795] [2021-07-13 21:59:15,833 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-13 21:59:15,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 21:59:15,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-13 21:59:15,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-07-13 21:59:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:59:15,834 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 21:59:15,835 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 21:59:15,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:59:15,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:15,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:15,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:59:15,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:59:15,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 21:59:15,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 21:59:15,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 21:59:15,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 21:59:15,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-13 21:59:15,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:59:16,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:59:16,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:16,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:16,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:59:16,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:59:16,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 21:59:16,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 21:59:16,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 21:59:16,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 21:59:16,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-13 21:59:16,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 21:59:16,316 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-07-13 21:59:16,317 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:59:16,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:59:16,317 INFO L82 PathProgramCache]: Analyzing trace with hash 673402363, now seen corresponding path program 10 times [2021-07-13 21:59:16,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:59:16,318 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099590555] [2021-07-13 21:59:16,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:59:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:59:16,460 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-13 21:59:16,461 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:59:16,461 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099590555] [2021-07-13 21:59:16,461 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099590555] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:59:16,461 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965962519] [2021-07-13 21:59:16,461 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 [2021-07-13 21:59:16,493 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 21:59:16,494 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 21:59:16,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-13 21:59:16,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 21:59:16,647 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-13 21:59:16,648 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965962519] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:59:16,648 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 21:59:16,648 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-07-13 21:59:16,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170741064] [2021-07-13 21:59:16,648 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-13 21:59:16,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 21:59:16,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-13 21:59:16,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2021-07-13 21:59:16,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:59:16,649 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 21:59:16,649 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.4) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 21:59:16,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:59:16,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:16,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:16,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:59:16,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:59:16,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 21:59:16,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 21:59:16,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 21:59:16,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 21:59:16,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-13 21:59:16,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 21:59:16,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:59:16,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:59:16,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:16,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:59:16,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:59:16,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:59:16,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 21:59:16,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 21:59:16,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 21:59:16,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 21:59:16,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-13 21:59:16,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 21:59:16,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 21:59:17,086 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-07-13 21:59:17,086 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:59:17,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:59:17,086 INFO L82 PathProgramCache]: Analyzing trace with hash 2040506125, now seen corresponding path program 11 times [2021-07-13 21:59:17,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:59:17,087 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007786989] [2021-07-13 21:59:17,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:59:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:59:17,174 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 21:59:17,174 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:59:17,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007786989] [2021-07-13 21:59:17,174 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007786989] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:59:17,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869708419] [2021-07-13 21:59:17,174 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 [2021-07-13 21:59:17,220 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-13 21:59:17,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 21:59:17,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-13 21:59:17,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 21:59:17,696 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-13 21:59:17,696 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 21:59:17,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-07-13 21:59:18,944 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 209 [2021-07-13 21:59:19,109 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 230 [2021-07-13 21:59:19,296 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2021-07-13 21:59:19,470 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2021-07-13 21:59:19,627 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 263 [2021-07-13 21:59:20,100 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 327 [2021-07-13 21:59:20,476 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 318 [2021-07-13 21:59:20,792 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 275 [2021-07-13 21:59:22,034 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 246 [2021-07-13 21:59:22,207 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 263 [2021-07-13 21:59:22,346 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 213 [2021-07-13 21:59:22,612 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 177 [2021-07-13 21:59:24,252 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 203 [2021-07-13 21:59:24,408 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 222 [2021-07-13 21:59:24,664 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 300 [2021-07-13 21:59:25,045 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 326 [2021-07-13 21:59:26,318 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 236 [2021-07-13 21:59:26,519 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 260 [2021-07-13 21:59:26,748 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 307 [2021-07-13 21:59:27,524 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 183 [2021-07-13 21:59:27,655 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 202 [2021-07-13 21:59:27,842 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 220 [2021-07-13 21:59:28,009 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 229 [2021-07-13 21:59:28,448 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 431 [2021-07-13 21:59:29,306 WARN L205 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 806 DAG size of output: 631 [2021-07-13 21:59:30,297 WARN L205 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 670 [2021-07-13 21:59:31,616 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 969 DAG size of output: 794 [2021-07-13 21:59:33,180 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 979 DAG size of output: 806 [2021-07-13 21:59:34,990 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1051 DAG size of output: 859 [2021-07-13 21:59:37,110 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 1150 DAG size of output: 926 [2021-07-13 21:59:37,301 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 268 [2021-07-13 21:59:37,477 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 269 [2021-07-13 21:59:37,640 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 254 [2021-07-13 21:59:38,558 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 220 [2021-07-13 21:59:38,937 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 247 [2021-07-13 21:59:39,136 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 254 [2021-07-13 21:59:40,426 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 191 [2021-07-13 21:59:40,900 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 227 [2021-07-13 21:59:41,136 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 234 [2021-07-13 21:59:41,625 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 367 [2021-07-13 21:59:42,154 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 370 [2021-07-13 21:59:42,830 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 432 [2021-07-13 21:59:45,963 WARN L205 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 1529 DAG size of output: 1137 [2021-07-13 21:59:49,080 WARN L205 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 1529 DAG size of output: 1137 [2021-07-13 21:59:52,566 WARN L205 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 1540 DAG size of output: 1148 [2021-07-13 21:59:52,703 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 1144 [2021-07-13 21:59:56,051 WARN L205 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 1146 DAG size of output: 1191 [2021-07-13 21:59:58,826 WARN L205 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 1072 DAG size of output: 1162 [2021-07-13 22:00:01,439 WARN L205 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 1062 DAG size of output: 1243 [2021-07-13 22:00:01,967 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 1055 DAG size of output: 581 [2021-07-13 22:00:02,252 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 342 [2021-07-13 22:00:02,687 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 211 [2021-07-13 22:00:03,185 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 221 [2021-07-13 22:00:03,360 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 264 [2021-07-13 22:00:03,724 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 382 [2021-07-13 22:00:04,382 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 738 DAG size of output: 556 [2021-07-13 22:00:05,210 WARN L205 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 898 DAG size of output: 650 [2021-07-13 22:00:06,479 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1089 DAG size of output: 754 [2021-07-13 22:00:07,747 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1089 DAG size of output: 754 [2021-07-13 22:00:09,236 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1094 DAG size of output: 478 [2021-07-13 22:00:09,494 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 290 [2021-07-13 22:00:09,680 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 242 [2021-07-13 22:00:10,071 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 221 [2021-07-13 22:00:10,278 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 224 [2021-07-13 22:00:10,713 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:00:10,714 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:00:10,715 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:00:10,715 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-07-13 22:00:10,719 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:10,720 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869708419] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:10,720 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:00:10,720 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 24 [2021-07-13 22:00:10,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189374925] [2021-07-13 22:00:10,720 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-13 22:00:10,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:00:10,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-13 22:00:10,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-07-13 22:00:10,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:10,721 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:00:10,721 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) [2021-07-13 22:00:10,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 22:00:10,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:10,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:10,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:10,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:10,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:00:10,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:10,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:00:10,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:10,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-13 22:00:10,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:00:10,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:00:10,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:10,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 22:00:10,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:10,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:10,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:10,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:10,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:00:10,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:10,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:00:10,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:10,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-13 22:00:10,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:00:10,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:00:10,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:00:11,097 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-07-13 22:00:11,097 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:00:11,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:00:11,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1471049787, now seen corresponding path program 12 times [2021-07-13 22:00:11,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:00:11,098 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563853971] [2021-07-13 22:00:11,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:00:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:00:11,253 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 45 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:11,253 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:00:11,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563853971] [2021-07-13 22:00:11,253 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563853971] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:11,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159102879] [2021-07-13 22:00:11,253 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 [2021-07-13 22:00:11,288 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-13 22:00:11,288 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:00:11,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 22:00:11,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:00:11,353 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 55 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:11,354 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159102879] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:11,354 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:00:11,354 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2021-07-13 22:00:11,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610442824] [2021-07-13 22:00:11,356 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-13 22:00:11,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:00:11,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-13 22:00:11,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-07-13 22:00:11,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:11,357 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:00:11,357 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 16 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:00:11,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 22:00:11,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:11,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:11,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:11,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:11,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:00:11,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:11,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:00:11,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:11,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-13 22:00:11,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:00:11,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:00:11,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:00:11,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:11,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 22:00:11,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:11,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:11,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:11,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:11,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:00:11,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:11,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:00:11,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:11,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-13 22:00:11,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:00:11,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:00:11,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:00:11,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:00:11,808 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1520,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:00:11,808 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:00:11,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:00:11,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1619028596, now seen corresponding path program 13 times [2021-07-13 22:00:11,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:00:11,809 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399395919] [2021-07-13 22:00:11,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:00:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:00:11,978 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-13 22:00:11,978 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:00:11,979 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399395919] [2021-07-13 22:00:11,979 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399395919] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:11,979 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749284706] [2021-07-13 22:00:11,979 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:00:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:00:12,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-13 22:00:12,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:00:12,189 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-13 22:00:12,189 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749284706] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:12,189 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:00:12,189 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-07-13 22:00:12,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818761705] [2021-07-13 22:00:12,190 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-13 22:00:12,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:00:12,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-13 22:00:12,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=497, Unknown=0, NotChecked=0, Total=552 [2021-07-13 22:00:12,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:12,191 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:00:12,191 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:00:12,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 22:00:12,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:12,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:12,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:12,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:12,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:00:12,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:12,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:00:12,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:12,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-13 22:00:12,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:00:12,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:00:12,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:00:12,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:00:12,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:12,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 22:00:12,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:12,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:12,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:12,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:12,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:00:12,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:12,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:00:12,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:12,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-13 22:00:12,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:00:12,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:00:12,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:00:12,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:00:12,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:00:12,884 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1521 [2021-07-13 22:00:12,885 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:00:12,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:00:12,885 INFO L82 PathProgramCache]: Analyzing trace with hash 889244474, now seen corresponding path program 14 times [2021-07-13 22:00:12,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:00:12,885 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702006447] [2021-07-13 22:00:12,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:00:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:00:13,057 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-13 22:00:13,057 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:00:13,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702006447] [2021-07-13 22:00:13,057 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702006447] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:13,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172214174] [2021-07-13 22:00:13,057 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 [2021-07-13 22:00:13,096 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 22:00:13,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:00:13,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-13 22:00:13,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:00:13,315 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-13 22:00:13,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172214174] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:13,316 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:00:13,316 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2021-07-13 22:00:13,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487839204] [2021-07-13 22:00:13,316 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-13 22:00:13,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:00:13,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-13 22:00:13,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2021-07-13 22:00:13,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:13,320 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:00:13,321 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 25 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:00:13,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 22:00:13,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:13,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:13,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:13,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:13,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:00:13,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:13,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:00:13,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:13,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-13 22:00:13,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:00:13,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:00:13,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:00:13,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:00:13,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:00:13,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:13,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 22:00:13,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:13,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:13,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:13,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:13,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:00:13,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:13,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:00:13,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:13,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-13 22:00:13,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:00:13,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:00:13,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:00:13,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:00:13,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:00:13,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:00:14,034 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1522,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:00:14,035 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:00:14,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:00:14,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1336298316, now seen corresponding path program 15 times [2021-07-13 22:00:14,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:00:14,035 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151661012] [2021-07-13 22:00:14,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:00:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:00:14,231 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-13 22:00:14,231 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:00:14,231 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151661012] [2021-07-13 22:00:14,231 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151661012] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:14,231 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250321353] [2021-07-13 22:00:14,231 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 [2021-07-13 22:00:14,274 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-13 22:00:14,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:00:14,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-13 22:00:14,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:00:14,513 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-13 22:00:14,513 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1250321353] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:14,513 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:00:14,513 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2021-07-13 22:00:14,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702094156] [2021-07-13 22:00:14,514 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-13 22:00:14,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:00:14,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-13 22:00:14,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-07-13 22:00:14,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:14,515 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:00:14,515 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) [2021-07-13 22:00:14,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 22:00:14,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:14,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:14,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:14,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:14,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:00:14,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:14,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:00:14,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:14,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-13 22:00:14,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:00:14,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:00:14,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:00:14,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:00:14,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:00:14,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:00:14,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:15,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 22:00:15,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:15,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:15,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:15,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:15,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:00:15,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:15,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:00:15,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:15,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-13 22:00:15,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:00:15,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:00:15,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:00:15,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:00:15,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:00:15,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:00:15,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:00:15,378 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1523 [2021-07-13 22:00:15,379 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:00:15,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:00:15,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1984901766, now seen corresponding path program 16 times [2021-07-13 22:00:15,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:00:15,379 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484230025] [2021-07-13 22:00:15,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:00:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:00:15,633 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-13 22:00:15,633 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:00:15,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484230025] [2021-07-13 22:00:15,633 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484230025] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:15,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616089872] [2021-07-13 22:00:15,634 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 [2021-07-13 22:00:15,662 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 22:00:15,662 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:00:15,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-13 22:00:15,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:00:15,903 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-13 22:00:15,903 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616089872] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:15,903 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:00:15,903 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2021-07-13 22:00:15,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571813781] [2021-07-13 22:00:15,904 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-13 22:00:15,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:00:15,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-13 22:00:15,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=791, Unknown=0, NotChecked=0, Total=870 [2021-07-13 22:00:15,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:15,905 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:00:15,905 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 29 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:00:15,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 22:00:15,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:15,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:15,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:15,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:15,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:00:15,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:15,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:00:15,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:15,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-13 22:00:15,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:00:15,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:00:15,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:00:15,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:00:15,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:00:15,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:00:15,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:00:15,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:16,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 22:00:16,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:16,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:16,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:16,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:16,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:00:16,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:16,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:00:16,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:16,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-13 22:00:16,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:00:16,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:00:16,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:00:16,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:00:16,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:00:16,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:00:16,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:00:16,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-13 22:00:16,685 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1524 [2021-07-13 22:00:16,697 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:00:16,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:00:16,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1862889204, now seen corresponding path program 17 times [2021-07-13 22:00:16,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:00:16,698 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286937973] [2021-07-13 22:00:16,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:00:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:00:16,886 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:16,886 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:00:16,886 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286937973] [2021-07-13 22:00:16,886 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286937973] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:16,886 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224788964] [2021-07-13 22:00:16,886 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 [2021-07-13 22:00:16,916 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-07-13 22:00:16,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:00:16,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-13 22:00:16,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:00:18,069 WARN L205 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2021-07-13 22:00:18,070 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:00:18,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 29 new quantified variables, introduced 105 case distinctions, treesize of input 67 treesize of output 889 [2021-07-13 22:00:19,060 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 255 [2021-07-13 22:00:19,927 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-07-13 22:00:20,111 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 331 [2021-07-13 22:00:22,042 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 307 [2021-07-13 22:00:22,307 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 379 [2021-07-13 22:00:22,614 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 413 [2021-07-13 22:00:23,258 WARN L205 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 526 [2021-07-13 22:00:24,817 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 343 [2021-07-13 22:00:26,235 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 323 [2021-07-13 22:00:26,526 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 402 [2021-07-13 22:00:27,074 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 513 [2021-07-13 22:00:27,712 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 545 [2021-07-13 22:00:29,161 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 355 [2021-07-13 22:00:30,248 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 294 [2021-07-13 22:00:30,650 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 441 [2021-07-13 22:00:31,135 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 474 [2021-07-13 22:00:32,448 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1000 DAG size of output: 761 [2021-07-13 22:00:34,822 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 1330 DAG size of output: 1025 [2021-07-13 22:00:37,067 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 1340 DAG size of output: 1035 [2021-07-13 22:00:39,656 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 1371 DAG size of output: 1067 [2021-07-13 22:00:42,689 WARN L205 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 1404 DAG size of output: 1101 [2021-07-13 22:00:43,873 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 351 [2021-07-13 22:00:44,710 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 306 [2021-07-13 22:00:45,088 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 448 [2021-07-13 22:00:45,527 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 481 [2021-07-13 22:00:47,079 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 301 [2021-07-13 22:00:47,312 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 373 [2021-07-13 22:00:47,602 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 407 [2021-07-13 22:00:48,481 WARN L205 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 714 DAG size of output: 649 [2021-07-13 22:00:49,180 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 291 [2021-07-13 22:00:49,821 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 242 [2021-07-13 22:00:49,936 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 279 [2021-07-13 22:00:50,052 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 319 [2021-07-13 22:00:50,316 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 398 [2021-07-13 22:00:51,656 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 343 [2021-07-13 22:00:52,251 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 525 [2021-07-13 22:00:52,892 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 663 DAG size of output: 557 [2021-07-13 22:00:53,558 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 286 [2021-07-13 22:00:53,683 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 325 [2021-07-13 22:00:54,391 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 311 [2021-07-13 22:00:54,531 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 351 [2021-07-13 22:00:54,854 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 443 [2021-07-13 22:00:55,548 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 314 [2021-07-13 22:00:56,177 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 288 [2021-07-13 22:00:56,433 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 390 [2021-07-13 22:00:57,123 WARN L205 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 701 DAG size of output: 595 [2021-07-13 22:00:57,936 WARN L205 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 626 [2021-07-13 22:00:59,625 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 1116 DAG size of output: 898 [2021-07-13 22:01:02,537 WARN L205 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 1544 DAG size of output: 1253 [2021-07-13 22:01:05,512 WARN L205 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 1554 DAG size of output: 1263 [2021-07-13 22:01:08,844 WARN L205 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 1584 DAG size of output: 1293 [2021-07-13 22:01:12,606 WARN L205 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 1616 DAG size of output: 1326 [2021-07-13 22:01:20,052 WARN L205 SmtUtils]: Spent 7.44 s on a formula simplification. DAG size of input: 2667 DAG size of output: 2084 [2021-07-13 22:01:28,387 WARN L205 SmtUtils]: Spent 8.32 s on a formula simplification. DAG size of input: 2697 DAG size of output: 2115 [2021-07-13 22:01:36,747 WARN L205 SmtUtils]: Spent 8.35 s on a formula simplification. DAG size of input: 2697 DAG size of output: 2115 [2021-07-13 22:01:46,825 WARN L205 SmtUtils]: Spent 10.07 s on a formula simplification. DAG size of input: 2722 DAG size of output: 2140 [2021-07-13 22:02:11,774 WARN L205 SmtUtils]: Spent 24.93 s on a formula simplification. DAG size of input: 2142 DAG size of output: 3536 [2021-07-13 22:02:13,937 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 2084 DAG size of output: 2084 [2021-07-13 22:02:17,325 WARN L205 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 1320 DAG size of output: 1844 [2021-07-13 22:02:23,822 WARN L205 SmtUtils]: Spent 6.48 s on a formula simplification. DAG size of input: 1316 DAG size of output: 1538 [2021-07-13 22:02:31,359 WARN L205 SmtUtils]: Spent 7.53 s on a formula simplification. DAG size of input: 1306 DAG size of output: 2171 [2021-07-13 22:02:38,091 WARN L205 SmtUtils]: Spent 6.72 s on a formula simplification. DAG size of input: 1272 DAG size of output: 1665 [2021-07-13 22:02:45,828 WARN L205 SmtUtils]: Spent 7.73 s on a formula simplification. DAG size of input: 1269 DAG size of output: 1672 [2021-07-13 22:02:46,095 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 1203 DAG size of output: 1203 [2021-07-13 22:02:46,777 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 373 [2021-07-13 22:02:46,945 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 402 [2021-07-13 22:02:47,144 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 439 [2021-07-13 22:02:47,870 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 360 [2021-07-13 22:02:48,023 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 394 [2021-07-13 22:02:48,459 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 696 DAG size of output: 665 [2021-07-13 22:02:48,898 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 709 DAG size of output: 678 [2021-07-13 22:02:49,444 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 356 [2021-07-13 22:02:49,593 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 381 [2021-07-13 22:02:49,766 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 412 [2021-07-13 22:02:50,524 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 370 [2021-07-13 22:02:50,902 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 634 [2021-07-13 22:02:51,285 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 646 [2021-07-13 22:02:52,271 WARN L205 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 1205 DAG size of output: 1143 [2021-07-13 22:02:53,046 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 395 [2021-07-13 22:02:53,212 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 406 [2021-07-13 22:02:54,092 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 421 [2021-07-13 22:02:54,282 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 433 [2021-07-13 22:02:54,714 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 693 DAG size of output: 682 [2021-07-13 22:02:56,174 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1717 DAG size of output: 1601 [2021-07-13 22:02:56,755 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 314 [2021-07-13 22:02:56,881 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 324 [2021-07-13 22:02:57,603 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 345 [2021-07-13 22:02:57,743 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 356 [2021-07-13 22:02:58,064 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 525 [2021-07-13 22:02:58,844 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 341 [2021-07-13 22:02:59,348 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 802 DAG size of output: 713 [2021-07-13 22:03:01,674 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 2072 DAG size of output: 1911 [2021-07-13 22:03:06,151 WARN L205 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 1178 DAG size of output: 1596 [2021-07-13 22:03:09,801 WARN L205 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 1102 DAG size of output: 1398 [2021-07-13 22:03:12,490 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 1101 DAG size of output: 1312 [2021-07-13 22:03:16,231 WARN L205 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 1095 DAG size of output: 1408 [2021-07-13 22:03:16,464 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 1091 [2021-07-13 22:03:17,403 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 321 [2021-07-13 22:03:17,531 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 350 [2021-07-13 22:03:17,764 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 386 [2021-07-13 22:03:18,045 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 412 [2021-07-13 22:03:18,791 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 303 [2021-07-13 22:03:18,973 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 332 [2021-07-13 22:03:19,525 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 597 [2021-07-13 22:03:19,847 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 457 [2021-07-13 22:03:20,141 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 444 [2021-07-13 22:03:20,401 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 281 [2021-07-13 22:03:21,366 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 284 [2021-07-13 22:03:21,838 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 239 [2021-07-13 22:03:22,264 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 304 [2021-07-13 22:03:22,710 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 419 [2021-07-13 22:03:23,347 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 245 [2021-07-13 22:03:24,071 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 243 [2021-07-13 22:03:24,262 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 308 [2021-07-13 22:03:24,648 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 402 [2021-07-13 22:03:25,595 WARN L205 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 586 [2021-07-13 22:03:26,812 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 610 DAG size of output: 648 [2021-07-13 22:03:27,740 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2021-07-13 22:03:27,968 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 270 [2021-07-13 22:03:28,274 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 308 [2021-07-13 22:03:28,967 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2021-07-13 22:03:29,508 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 380 [2021-07-13 22:03:31,608 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 849 DAG size of output: 882 [2021-07-13 22:03:31,930 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 410 [2021-07-13 22:03:32,152 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 342 [2021-07-13 22:03:33,812 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 338 [2021-07-13 22:03:34,361 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 229 [2021-07-13 22:03:34,790 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 412 [2021-07-13 22:03:35,366 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 515 [2021-07-13 22:03:36,036 WARN L205 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 526 [2021-07-13 22:03:37,324 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 306 [2021-07-13 22:03:37,615 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 377 [2021-07-13 22:03:38,137 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 260 [2021-07-13 22:03:38,572 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 302 [2021-07-13 22:03:39,378 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 281 [2021-07-13 22:03:39,731 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 377 [2021-07-13 22:03:40,460 WARN L205 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 587 [2021-07-13 22:03:42,088 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 946 DAG size of output: 855 [2021-07-13 22:03:44,148 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 1051 DAG size of output: 957 [2021-07-13 22:03:44,411 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 290 [2021-07-13 22:03:44,531 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 285 [2021-07-13 22:03:45,526 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 252 [2021-07-13 22:03:45,702 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 316 [2021-07-13 22:03:45,953 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 389 [2021-07-13 22:03:46,271 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 405 [2021-07-13 22:03:46,852 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 267 [2021-07-13 22:03:47,056 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 320 [2021-07-13 22:03:47,583 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 281 [2021-07-13 22:03:47,911 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 401 [2021-07-13 22:03:48,634 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 562 [2021-07-13 22:03:49,277 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 292 [2021-07-13 22:03:49,953 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 318 [2021-07-13 22:03:50,248 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 410 [2021-07-13 22:03:50,856 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 261 [2021-07-13 22:03:51,041 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 320 [2021-07-13 22:03:51,497 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 279 [2021-07-13 22:03:51,627 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 300 [2021-07-13 22:03:51,948 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 418 [2021-07-13 22:03:52,640 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 566 [2021-07-13 22:03:54,211 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1051 DAG size of output: 864 [2021-07-13 22:03:56,118 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 1113 DAG size of output: 917 [2021-07-13 22:03:57,289 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 284 [2021-07-13 22:03:57,514 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 359 [2021-07-13 22:03:58,102 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 296 [2021-07-13 22:03:58,547 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 265 [2021-07-13 22:03:58,785 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 375 [2021-07-13 22:03:59,335 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 503 [2021-07-13 22:04:00,029 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 235 [2021-07-13 22:04:00,213 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 264 [2021-07-13 22:04:00,721 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 242 [2021-07-13 22:04:01,045 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 325 [2021-07-13 22:04:01,529 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 438 [2021-07-13 22:04:02,660 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 749 DAG size of output: 750 [2021-07-13 22:04:04,076 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 800 DAG size of output: 800 [2021-07-13 22:04:07,899 WARN L205 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 1555 DAG size of output: 1414 [2021-07-13 22:04:14,665 WARN L205 SmtUtils]: Spent 6.76 s on a formula simplification. DAG size of input: 2320 DAG size of output: 2079 [2021-07-13 22:04:22,895 WARN L205 SmtUtils]: Spent 8.22 s on a formula simplification. DAG size of input: 2889 DAG size of output: 2253 [2021-07-13 22:04:23,487 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 257 [2021-07-13 22:04:23,626 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 267 [2021-07-13 22:04:33,094 WARN L205 SmtUtils]: Spent 9.46 s on a formula simplification. DAG size of input: 3026 DAG size of output: 2377 [2021-07-13 22:04:33,701 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 514 [2021-07-13 22:04:34,453 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2021-07-13 22:04:35,321 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 209 [2021-07-13 22:04:35,538 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 271 [2021-07-13 22:04:35,835 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 311 [2021-07-13 22:04:36,348 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 380 [2021-07-13 22:04:36,542 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 316 [2021-07-13 22:04:36,691 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 323 [2021-07-13 22:04:36,823 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 303 [2021-07-13 22:04:37,642 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 305 [2021-07-13 22:04:38,203 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 256 [2021-07-13 22:04:38,733 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 312 [2021-07-13 22:04:39,111 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 436 [2021-07-13 22:04:39,910 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 256 [2021-07-13 22:04:40,077 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 306 [2021-07-13 22:04:40,843 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 300 [2021-07-13 22:04:41,207 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 430 [2021-07-13 22:04:42,029 WARN L205 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 618 [2021-07-13 22:04:42,154 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 307 [2021-07-13 22:04:42,843 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 283 [2021-07-13 22:04:42,993 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 302 [2021-07-13 22:04:43,391 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 238 [2021-07-13 22:04:43,797 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 279 [2021-07-13 22:04:44,160 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 420 [2021-07-13 22:04:44,306 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 358 [2021-07-13 22:04:45,105 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 302 [2021-07-13 22:04:45,221 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 332 [2021-07-13 22:04:45,361 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 316 [2021-07-13 22:04:45,823 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 294 [2021-07-13 22:04:46,081 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 346 [2021-07-13 22:04:46,505 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 442 [2021-07-13 22:04:47,376 WARN L205 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 734 DAG size of output: 616 [2021-07-13 22:04:49,273 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 1144 DAG size of output: 978 [2021-07-13 22:04:51,634 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 1236 DAG size of output: 1068 [2021-07-13 22:04:54,078 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 1461 DAG size of output: 976 [2021-07-13 22:04:57,237 WARN L205 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 1567 DAG size of output: 1074 [2021-07-13 22:04:57,590 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 389 [2021-07-13 22:04:57,798 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 388 [2021-07-13 22:04:58,017 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 388 [2021-07-13 22:04:58,243 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 435 [2021-07-13 22:04:58,564 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 446 [2021-07-13 22:04:58,697 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 370 [2021-07-13 22:04:58,899 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 386 [2021-07-13 22:04:59,505 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 300 [2021-07-13 22:04:59,743 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 352 [2021-07-13 22:05:00,213 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 455 [2021-07-13 22:05:00,473 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 373 [2021-07-13 22:05:01,194 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 293 [2021-07-13 22:05:01,495 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 308 [2021-07-13 22:05:01,918 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 401 [2021-07-13 22:05:02,807 WARN L205 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 774 DAG size of output: 636 [2021-07-13 22:05:03,058 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 459 [2021-07-13 22:05:03,408 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 466 [2021-07-13 22:05:03,930 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 260 [2021-07-13 22:05:04,322 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 247 [2021-07-13 22:05:04,620 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 340 [2021-07-13 22:05:05,158 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-07-13 22:05:05,730 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 497 [2021-07-13 22:05:06,013 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 393 [2021-07-13 22:05:06,135 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 347 [2021-07-13 22:05:06,316 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 348 [2021-07-13 22:05:06,928 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 261 [2021-07-13 22:05:07,171 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 319 [2021-07-13 22:05:07,638 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 408 [2021-07-13 22:05:08,616 WARN L205 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 681 [2021-07-13 22:05:10,725 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 1233 DAG size of output: 968 [2021-07-13 22:05:10,971 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 384 [2021-07-13 22:05:11,220 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 451 [2021-07-13 22:05:11,718 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 249 [2021-07-13 22:05:12,318 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 287 [2021-07-13 22:05:12,605 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 369 [2021-07-13 22:05:13,276 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 408 [2021-07-13 22:05:13,699 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 462 [2021-07-13 22:05:13,852 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 378 [2021-07-13 22:05:14,099 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 394 [2021-07-13 22:05:14,777 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 305 [2021-07-13 22:05:15,039 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 357 [2021-07-13 22:05:15,557 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 462 [2021-07-13 22:05:16,614 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 831 DAG size of output: 641 [2021-07-13 22:05:16,916 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 427 [2021-07-13 22:05:17,322 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 218 [2021-07-13 22:05:17,847 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 278 [2021-07-13 22:05:18,499 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 307 [2021-07-13 22:05:18,874 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 381 [2021-07-13 22:05:19,332 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 443 [2021-07-13 22:05:19,607 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 369 [2021-07-13 22:05:20,455 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 279 [2021-07-13 22:05:20,692 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 308 [2021-07-13 22:05:21,133 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 399 [2021-07-13 22:05:22,033 WARN L205 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 747 DAG size of output: 623 [2021-07-13 22:05:24,048 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 1208 DAG size of output: 945 [2021-07-13 22:05:28,604 WARN L205 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 1884 DAG size of output: 1436 [2021-07-13 22:05:34,035 WARN L205 SmtUtils]: Spent 5.42 s on a formula simplification. DAG size of input: 2012 DAG size of output: 1581 [2021-07-13 22:05:34,878 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 293 [2021-07-13 22:05:35,053 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 304 [2021-07-13 22:05:41,625 WARN L205 SmtUtils]: Spent 6.57 s on a formula simplification. DAG size of input: 2189 DAG size of output: 1741 [2021-07-13 22:05:52,651 WARN L205 SmtUtils]: Spent 11.01 s on a formula simplification. DAG size of input: 3225 DAG size of output: 2355 [2021-07-13 22:06:14,385 WARN L205 SmtUtils]: Spent 21.72 s on a formula simplification. DAG size of input: 5151 DAG size of output: 3699 [2021-07-13 22:06:39,278 WARN L205 SmtUtils]: Spent 24.87 s on a formula simplification. DAG size of input: 5285 DAG size of output: 3839 [2021-07-13 22:06:40,153 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 218 [2021-07-13 22:06:40,306 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 228 [2021-07-13 22:06:40,897 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 438 [2021-07-13 22:06:42,108 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 307 [2021-07-13 22:06:42,654 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 252 [2021-07-13 22:06:43,136 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 318 [2021-07-13 22:06:43,628 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 459 [2021-07-13 22:06:44,242 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 514 [2021-07-13 22:06:44,792 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 338 [2021-07-13 22:06:45,719 WARN L205 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 701 DAG size of output: 702 [2021-07-13 22:06:46,732 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 260 [2021-07-13 22:06:47,524 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 274 [2021-07-13 22:06:47,925 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 405 [2021-07-13 22:06:48,437 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 460 [2021-07-13 22:06:48,980 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 338 [2021-07-13 22:06:49,788 WARN L205 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 635 [2021-07-13 22:06:50,798 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 659 DAG size of output: 679 [2021-07-13 22:06:53,039 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 937 DAG size of output: 1011 [2021-07-13 22:06:53,964 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 292 [2021-07-13 22:06:54,468 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 385 [2021-07-13 22:06:55,518 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 263 [2021-07-13 22:06:55,779 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 316 [2021-07-13 22:06:56,337 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 408 [2021-07-13 22:06:57,232 WARN L205 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 569 [2021-07-13 22:07:00,320 WARN L205 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 1202 DAG size of output: 1222 [2021-07-13 22:07:00,644 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 376 [2021-07-13 22:07:00,887 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 363 [2021-07-13 22:07:01,111 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 418 [2021-07-13 22:07:01,215 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 346 [2021-07-13 22:07:01,419 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 373 [2021-07-13 22:07:02,012 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 292 [2021-07-13 22:07:02,227 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 331 [2021-07-13 22:07:03,109 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 282 [2021-07-13 22:07:03,473 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 431 [2021-07-13 22:07:03,673 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 394 [2021-07-13 22:07:04,524 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 280 [2021-07-13 22:07:05,473 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 278 [2021-07-13 22:07:05,649 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 315 [2021-07-13 22:07:05,985 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 414 [2021-07-13 22:07:06,787 WARN L205 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 627 [2021-07-13 22:07:07,010 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 361 [2021-07-13 22:07:07,215 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 392 [2021-07-13 22:07:08,112 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 280 [2021-07-13 22:07:08,285 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 315 [2021-07-13 22:07:09,119 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 278 [2021-07-13 22:07:09,452 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 411 [2021-07-13 22:07:09,670 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 416 [2021-07-13 22:07:10,521 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 280 [2021-07-13 22:07:10,811 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 371 [2021-07-13 22:07:11,393 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 293 [2021-07-13 22:07:11,611 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 330 [2021-07-13 22:07:11,972 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 430 [2021-07-13 22:07:12,762 WARN L205 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 865 DAG size of output: 624 [2021-07-13 22:07:14,524 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 1154 DAG size of output: 777 [2021-07-13 22:07:16,781 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 1272 DAG size of output: 894 [2021-07-13 22:07:22,961 WARN L205 SmtUtils]: Spent 6.17 s on a formula simplification. DAG size of input: 2242 DAG size of output: 1906 [2021-07-13 22:07:23,396 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 436 [2021-07-13 22:07:23,708 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 374 [2021-07-13 22:07:23,930 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 359 [2021-07-13 22:07:24,142 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 414 [2021-07-13 22:07:24,420 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 369 [2021-07-13 22:07:24,997 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 293 [2021-07-13 22:07:25,209 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 328 [2021-07-13 22:07:26,019 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 277 [2021-07-13 22:07:26,375 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 427 [2021-07-13 22:07:26,566 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 390 [2021-07-13 22:07:27,375 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 276 [2021-07-13 22:07:28,250 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 280 [2021-07-13 22:07:28,428 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 313 [2021-07-13 22:07:28,758 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 409 [2021-07-13 22:07:29,521 WARN L205 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 862 DAG size of output: 621 [2021-07-13 22:07:29,725 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 361 [2021-07-13 22:07:29,938 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 416 [2021-07-13 22:07:30,781 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 279 [2021-07-13 22:07:31,079 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 371 [2021-07-13 22:07:31,667 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 293 [2021-07-13 22:07:31,881 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 330 [2021-07-13 22:07:32,244 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 429 [2021-07-13 22:07:32,437 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 392 [2021-07-13 22:07:33,356 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 280 [2021-07-13 22:07:33,530 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 315 [2021-07-13 22:07:34,364 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 278 [2021-07-13 22:07:34,698 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 411 [2021-07-13 22:07:35,485 WARN L205 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 865 DAG size of output: 623 [2021-07-13 22:07:37,273 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 1157 DAG size of output: 759 [2021-07-13 22:07:39,554 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 1275 DAG size of output: 876 [2021-07-13 22:07:40,492 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 285 [2021-07-13 22:07:40,977 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 380 [2021-07-13 22:07:42,171 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 253 [2021-07-13 22:07:42,448 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 304 [2021-07-13 22:07:42,852 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 399 [2021-07-13 22:07:43,750 WARN L205 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 560 [2021-07-13 22:07:44,815 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 269 [2021-07-13 22:07:45,561 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 265 [2021-07-13 22:07:45,961 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2021-07-13 22:07:46,474 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 446 [2021-07-13 22:07:46,970 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 329 [2021-07-13 22:07:47,772 WARN L205 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 623 [2021-07-13 22:07:48,779 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 671 DAG size of output: 675 [2021-07-13 22:07:49,740 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2021-07-13 22:07:49,957 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 307 [2021-07-13 22:07:50,470 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 241 [2021-07-13 22:07:51,071 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 300 [2021-07-13 22:07:51,566 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 431 [2021-07-13 22:07:52,196 WARN L205 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 484 [2021-07-13 22:07:52,698 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 329 [2021-07-13 22:07:53,663 WARN L205 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 703 DAG size of output: 681 [2021-07-13 22:07:55,913 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 960 DAG size of output: 1007 [2021-07-13 22:07:59,056 WARN L205 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 1227 DAG size of output: 1204 [2021-07-13 22:08:05,330 WARN L205 SmtUtils]: Spent 6.27 s on a formula simplification. DAG size of input: 2273 DAG size of output: 1873 [2021-07-13 22:08:18,967 WARN L205 SmtUtils]: Spent 13.62 s on a formula simplification. DAG size of input: 3626 DAG size of output: 3012 [2021-07-13 22:08:34,891 WARN L205 SmtUtils]: Spent 15.90 s on a formula simplification. DAG size of input: 3733 DAG size of output: 3114 [2021-07-13 22:08:53,316 WARN L205 SmtUtils]: Spent 18.41 s on a formula simplification. DAG size of input: 3858 DAG size of output: 3216 [2021-07-13 22:09:42,264 WARN L205 SmtUtils]: Spent 48.92 s on a formula simplification. DAG size of input: 8350 DAG size of output: 6493 [2021-07-13 22:09:44,805 WARN L205 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 765 DAG size of output: 1165 [2021-07-13 22:09:45,784 WARN L205 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 801 [2021-07-13 22:09:48,263 WARN L205 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 760 DAG size of output: 1013 [2021-07-13 22:09:50,314 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 753 DAG size of output: 864 [2021-07-13 22:09:50,839 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 253 [2021-07-13 22:09:51,702 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 283 [2021-07-13 22:09:52,541 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 221 [2021-07-13 22:09:52,679 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 261 [2021-07-13 22:09:53,108 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 383 [2021-07-13 22:09:53,924 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 259 [2021-07-13 22:09:54,918 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 284 [2021-07-13 22:09:55,293 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 381 [2021-07-13 22:09:56,140 WARN L205 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 547 [2021-07-13 22:09:56,392 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 298 [2021-07-13 22:09:57,280 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 271 [2021-07-13 22:09:57,973 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 242 [2021-07-13 22:09:58,141 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 277 [2021-07-13 22:09:58,471 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 395 [2021-07-13 22:09:59,023 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 478 [2021-07-13 22:09:59,836 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 234 [2021-07-13 22:10:00,001 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 288 [2021-07-13 22:10:00,615 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2021-07-13 22:10:00,777 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 253 [2021-07-13 22:10:01,182 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 402 [2021-07-13 22:10:01,804 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 471 [2021-07-13 22:10:02,947 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 795 DAG size of output: 747 [2021-07-13 22:10:04,273 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 828 DAG size of output: 750 [2021-07-13 22:10:05,249 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 256 [2021-07-13 22:10:06,164 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 213 [2021-07-13 22:10:06,601 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 352 [2021-07-13 22:10:07,110 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 423 [2021-07-13 22:10:07,841 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 238 [2021-07-13 22:10:07,998 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 288 [2021-07-13 22:10:08,519 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 333 [2021-07-13 22:10:09,086 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 255 [2021-07-13 22:10:09,273 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 284 [2021-07-13 22:10:09,904 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 338 [2021-07-13 22:10:10,455 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 451 [2021-07-13 22:10:11,626 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 728 DAG size of output: 652 [2021-07-13 22:10:14,543 WARN L205 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1113 [2021-07-13 22:10:17,551 WARN L205 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 1618 DAG size of output: 1151 [2021-07-13 22:10:21,296 WARN L205 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 1690 DAG size of output: 1217 [2021-07-13 22:10:22,754 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 265 [2021-07-13 22:10:23,449 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 231 [2021-07-13 22:10:23,799 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 365 [2021-07-13 22:10:24,292 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 468 [2021-07-13 22:10:24,877 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 489 [2021-07-13 22:10:25,649 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 292 [2021-07-13 22:10:26,223 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 240 [2021-07-13 22:10:26,365 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 274 [2021-07-13 22:10:26,662 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 396 [2021-07-13 22:10:27,332 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 242 [2021-07-13 22:10:27,481 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 280 [2021-07-13 22:10:28,224 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 294 [2021-07-13 22:10:28,564 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 402 [2021-07-13 22:10:29,275 WARN L205 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 574 DAG size of output: 550 [2021-07-13 22:10:30,784 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 842 DAG size of output: 808 [2021-07-13 22:10:31,964 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 305 [2021-07-13 22:10:33,080 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 301 [2021-07-13 22:10:33,510 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 388 [2021-07-13 22:10:34,454 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 198 [2021-07-13 22:10:34,686 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 257 [2021-07-13 22:10:35,056 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 311 [2021-07-13 22:10:35,936 WARN L205 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 545 [2021-07-13 22:10:38,023 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 1181 DAG size of output: 920 [2021-07-13 22:10:40,530 WARN L205 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 1221 DAG size of output: 955 [2021-07-13 22:10:47,398 WARN L205 SmtUtils]: Spent 6.86 s on a formula simplification. DAG size of input: 2494 DAG size of output: 1879 [2021-07-13 22:10:56,224 WARN L205 SmtUtils]: Spent 8.81 s on a formula simplification. DAG size of input: 2870 DAG size of output: 2341 [2021-07-13 22:10:56,789 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 406 [2021-07-13 22:10:57,182 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 423 [2021-07-13 22:10:57,669 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 242 [2021-07-13 22:10:58,106 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 237 [2021-07-13 22:10:58,307 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 278 [2021-07-13 22:10:58,899 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 337 [2021-07-13 22:10:59,855 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 250 [2021-07-13 22:11:00,045 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 290 [2021-07-13 22:11:00,336 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 355 [2021-07-13 22:11:00,983 WARN L205 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 442 [2021-07-13 22:11:01,828 WARN L205 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 548 [2021-07-13 22:11:02,148 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 311 [2021-07-13 22:11:02,683 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 279 [2021-07-13 22:11:02,818 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 304 [2021-07-13 22:11:03,078 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 377 [2021-07-13 22:11:03,597 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 269 [2021-07-13 22:11:03,758 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 292 [2021-07-13 22:11:04,180 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 467 [2021-07-13 22:11:05,309 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 356 [2021-07-13 22:11:05,626 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 432 [2021-07-13 22:11:05,994 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 454 [2021-07-13 22:11:06,901 WARN L205 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 704 DAG size of output: 669 [2021-07-13 22:11:08,942 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 993 DAG size of output: 928 [2021-07-13 22:11:10,233 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 263 [2021-07-13 22:11:10,471 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 314 [2021-07-13 22:11:11,672 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 348 [2021-07-13 22:11:12,224 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 459 [2021-07-13 22:11:12,987 WARN L205 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 579 [2021-07-13 22:11:14,067 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 356 [2021-07-13 22:11:14,383 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 383 [2021-07-13 22:11:14,947 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 259 [2021-07-13 22:11:15,121 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 285 [2021-07-13 22:11:15,675 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 480 [2021-07-13 22:11:16,615 WARN L205 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 593 [2021-07-13 22:11:17,562 WARN L205 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 617 [2021-07-13 22:11:19,468 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 870 DAG size of output: 884 [2021-07-13 22:11:23,843 WARN L205 SmtUtils]: Spent 4.37 s on a formula simplification. DAG size of input: 1534 DAG size of output: 1523 [2021-07-13 22:11:29,123 WARN L205 SmtUtils]: Spent 5.27 s on a formula simplification. DAG size of input: 1662 DAG size of output: 1666 [2021-07-13 22:11:30,173 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 254 [2021-07-13 22:11:30,435 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 330 [2021-07-13 22:11:30,825 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 415 [2021-07-13 22:11:31,834 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 260 [2021-07-13 22:11:32,089 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 329 [2021-07-13 22:11:32,539 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 422 [2021-07-13 22:11:33,493 WARN L205 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 559 [2021-07-13 22:11:39,500 WARN L205 SmtUtils]: Spent 6.00 s on a formula simplification. DAG size of input: 1894 DAG size of output: 1719 [2021-07-13 22:11:46,934 WARN L205 SmtUtils]: Spent 6.89 s on a formula simplification. DAG size of input: 2009 DAG size of output: 1825 [2021-07-13 22:11:47,659 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 467 [2021-07-13 22:11:48,455 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 263 [2021-07-13 22:11:48,911 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 219 [2021-07-13 22:11:49,216 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 338 [2021-07-13 22:11:49,854 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 445 [2021-07-13 22:11:50,769 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2021-07-13 22:11:51,250 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 223 [2021-07-13 22:11:51,576 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 345 [2021-07-13 22:11:52,123 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 466 [2021-07-13 22:11:53,173 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 692 DAG size of output: 688 [2021-07-13 22:11:53,416 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 272 [2021-07-13 22:11:53,918 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 272 [2021-07-13 22:11:54,120 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 327 [2021-07-13 22:11:54,671 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 391 [2021-07-13 22:11:55,148 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 241 [2021-07-13 22:11:55,258 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 277 [2021-07-13 22:11:55,861 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 328 [2021-07-13 22:11:56,154 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 392 [2021-07-13 22:11:56,797 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 542 [2021-07-13 22:11:57,046 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 279 [2021-07-13 22:11:57,674 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 330 [2021-07-13 22:11:58,101 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 243 [2021-07-13 22:11:58,403 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 394 [2021-07-13 22:11:58,564 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 274 [2021-07-13 22:11:59,071 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 274 [2021-07-13 22:11:59,278 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 329 [2021-07-13 22:11:59,850 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 395 [2021-07-13 22:12:00,498 WARN L205 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 546 [2021-07-13 22:12:01,940 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 816 DAG size of output: 763 [2021-07-13 22:12:04,848 WARN L205 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 1175 DAG size of output: 1122 [2021-07-13 22:12:05,068 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 302 [2021-07-13 22:12:05,995 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 255 [2021-07-13 22:12:06,258 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 319 [2021-07-13 22:12:07,181 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 242 [2021-07-13 22:12:07,442 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 322 [2021-07-13 22:12:08,025 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 500 [2021-07-13 22:12:08,205 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 300 [2021-07-13 22:12:08,732 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 299 [2021-07-13 22:12:09,190 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 238 [2021-07-13 22:12:09,442 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 291 [2021-07-13 22:12:09,797 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 361 [2021-07-13 22:12:10,696 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 240 [2021-07-13 22:12:10,950 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 320 [2021-07-13 22:12:11,631 WARN L205 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 515 [2021-07-13 22:12:13,080 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 700 DAG size of output: 716 [2021-07-13 22:12:17,536 WARN L205 SmtUtils]: Spent 4.45 s on a formula simplification. DAG size of input: 1678 DAG size of output: 1384 [2021-07-13 22:12:23,118 WARN L205 SmtUtils]: Spent 5.57 s on a formula simplification. DAG size of input: 1840 DAG size of output: 1603 [2021-07-13 22:12:29,584 WARN L205 SmtUtils]: Spent 6.46 s on a formula simplification. DAG size of input: 1907 DAG size of output: 1662 [2021-07-13 22:12:44,863 WARN L205 SmtUtils]: Spent 15.27 s on a formula simplification. DAG size of input: 3341 DAG size of output: 3040 [2021-07-13 22:13:11,969 WARN L205 SmtUtils]: Spent 27.09 s on a formula simplification. DAG size of input: 5467 DAG size of output: 4541 [2021-07-13 22:13:12,122 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 737 DAG size of output: 737 [2021-07-13 22:13:13,031 WARN L205 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 572 [2021-07-13 22:13:13,542 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 465 [2021-07-13 22:13:13,813 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 298 [2021-07-13 22:13:14,335 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 238 [2021-07-13 22:13:14,930 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 318 [2021-07-13 22:13:15,452 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 297 [2021-07-13 22:13:15,891 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 238 [2021-07-13 22:13:16,127 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 289 [2021-07-13 22:13:16,485 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 359 [2021-07-13 22:13:17,161 WARN L205 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 513 [2021-07-13 22:13:17,348 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 300 [2021-07-13 22:13:17,890 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 240 [2021-07-13 22:13:18,252 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 204 [2021-07-13 22:13:18,503 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 320 [2021-07-13 22:13:18,743 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 299 [2021-07-13 22:13:19,191 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 241 [2021-07-13 22:13:19,442 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 294 [2021-07-13 22:13:20,097 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 364 [2021-07-13 22:13:20,792 WARN L205 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 518 [2021-07-13 22:13:22,351 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 674 DAG size of output: 664 [2021-07-13 22:13:22,542 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 336 [2021-07-13 22:13:22,668 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 363 [2021-07-13 22:13:23,291 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 291 [2021-07-13 22:13:23,402 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 277 [2021-07-13 22:13:23,833 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 268 [2021-07-13 22:13:24,012 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 328 [2021-07-13 22:13:24,393 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 403 [2021-07-13 22:13:25,112 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 241 [2021-07-13 22:13:25,328 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 308 [2021-07-13 22:13:25,924 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 517 [2021-07-13 22:13:26,037 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 351 [2021-07-13 22:13:26,145 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 253 [2021-07-13 22:13:26,744 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 294 [2021-07-13 22:13:26,994 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 358 [2021-07-13 22:13:27,811 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 272 [2021-07-13 22:13:28,036 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 337 [2021-07-13 22:13:28,445 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 398 [2021-07-13 22:13:29,037 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 504 [2021-07-13 22:13:30,371 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 841 DAG size of output: 753 [2021-07-13 22:13:30,527 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 334 [2021-07-13 22:13:30,647 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 361 [2021-07-13 22:13:31,070 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 239 [2021-07-13 22:13:31,539 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 306 [2021-07-13 22:13:31,672 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 275 [2021-07-13 22:13:32,244 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 326 [2021-07-13 22:13:32,788 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 287 [2021-07-13 22:13:33,161 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 401 [2021-07-13 22:13:33,745 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 512 [2021-07-13 22:13:33,853 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 349 [2021-07-13 22:13:33,967 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 251 [2021-07-13 22:13:34,539 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 294 [2021-07-13 22:13:34,771 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 356 [2021-07-13 22:13:35,578 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 270 [2021-07-13 22:13:35,794 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 335 [2021-07-13 22:13:36,187 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 396 [2021-07-13 22:13:36,774 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 504 [2021-07-13 22:13:38,092 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 838 DAG size of output: 751 Received shutdown request... [2021-07-13 22:13:41,030 WARN L205 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 1237 DAG size of output: 1090 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown