/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-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 04:07:02,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 04:07:02,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 04:07:02,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-17 04:07:02,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-17 04:07:02,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-17 04:07:02,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-17 04:07:02,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-17 04:07:02,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-17 04:07:02,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-17 04:07:02,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-17 04:07:02,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2021-06-17 04:07:02,918 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-Persistent-NoLbe.epf [2021-06-17 04:07:02,965 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 04:07:02,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 04:07:02,966 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 04:07:02,967 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 04:07:02,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 04:07:02,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 04:07:02,970 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 04:07:02,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 04:07:02,970 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 04:07:02,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 04:07:02,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 04:07:02,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 04:07:02,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 04:07:02,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 04:07:02,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 04:07:02,972 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 04:07:02,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 04:07:02,972 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 04:07:02,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 04:07:02,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 04:07:02,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 04:07:02,973 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 04:07:02,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 04:07:02,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 04:07:02,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 04:07:02,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 04:07:02,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 04:07:02,974 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 04:07:02,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 04:07:02,974 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 04:07:02,974 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 04:07:02,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 04:07:02,975 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-06-17 04:07:02,975 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 04:07:03,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 04:07:03,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 04:07:03,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 04:07:03,355 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 04:07:03,357 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 04:07:03,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl [2021-06-17 04:07:03,359 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl' [2021-06-17 04:07:03,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 04:07:03,396 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 04:07:03,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 04:07:03,397 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 04:07:03,398 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 04:07:03,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 04:07:03" (1/1) ... [2021-06-17 04:07:03,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 04:07:03" (1/1) ... [2021-06-17 04:07:03,428 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 04:07:03,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 04:07:03,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 04:07:03,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 04:07:03,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 04:07:03" (1/1) ... [2021-06-17 04:07:03,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 04:07:03" (1/1) ... [2021-06-17 04:07:03,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 04:07:03" (1/1) ... [2021-06-17 04:07:03,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 04:07:03" (1/1) ... [2021-06-17 04:07:03,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 04:07:03" (1/1) ... [2021-06-17 04:07:03,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 04:07:03" (1/1) ... [2021-06-17 04:07:03,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 04:07:03" (1/1) ... [2021-06-17 04:07:03,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 04:07:03,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 04:07:03,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 04:07:03,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 04:07:03,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 04:07:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 04:07:03,533 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 04:07:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 04:07:03,534 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 04:07:03,534 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 04:07:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 04:07:03,534 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 04:07:03,534 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 04:07:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 04:07:03,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 04:07:03,536 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-17 04:07:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-17 04:07:03,536 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-17 04:07:03,537 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 04:07:03,781 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 04:07:03,781 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-17 04:07:03,783 INFO L202 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 04:07:03 BoogieIcfgContainer [2021-06-17 04:07:03,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 04:07:03,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 04:07:03,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 04:07:03,787 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 04:07:03,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 04:07:03" (1/2) ... [2021-06-17 04:07:03,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dcbb795 and model type sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 04:07:03, skipping insertion in model container [2021-06-17 04:07:03,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 04:07:03" (2/2) ... [2021-06-17 04:07:03,790 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-fun-alt.wvr.bpl [2021-06-17 04:07:03,795 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 04:07:03,795 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 04:07:03,796 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 04:07:03,796 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 04:07:03,826 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-17 04:07:03,865 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-17 04:07:03,991 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 04:07:03,991 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 04:07:03,992 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 04:07:03,992 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 04:07:03,992 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 04:07:03,992 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 04:07:03,992 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 04:07:03,992 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 04:07:04,161 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 04:07:04,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 04:07:04,173 INFO L82 PathProgramCache]: Analyzing trace with hash 480669117, now seen corresponding path program 1 times [2021-06-17 04:07:04,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 04:07:04,182 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339948839] [2021-06-17 04:07:04,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 04:07:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 04:07:04,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-17 04:07:04,405 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 04:07:04,405 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339948839] [2021-06-17 04:07:04,405 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339948839] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 04:07:04,406 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 04:07:04,406 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-17 04:07:04,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99291593] [2021-06-17 04:07:04,411 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 04:07:04,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 04:07:04,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 04:07:04,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-17 04:07:04,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:07:04,428 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 04:07:04,430 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 04:07:04,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:07:04,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:07:04,499 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 04:07:04,499 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 04:07:04,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 04:07:04,502 INFO L82 PathProgramCache]: Analyzing trace with hash 770484053, now seen corresponding path program 1 times [2021-06-17 04:07:04,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 04:07:04,503 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550574162] [2021-06-17 04:07:04,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 04:07:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 04:07:04,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:07:04,815 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 04:07:04,815 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550574162] [2021-06-17 04:07:04,816 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550574162] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:07:04,816 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554453215] [2021-06-17 04:07:04,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:07:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 04:07:04,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-17 04:07:04,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 04:07:05,105 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:07:05,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-17 04:07:05,112 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 04:07:05,117 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 04:07:05,120 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 04:07:05,120 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:3 [2021-06-17 04:07:05,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:07:05,149 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554453215] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:07:05,149 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 04:07:05,149 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-17 04:07:05,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292976115] [2021-06-17 04:07:05,151 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-17 04:07:05,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 04:07:05,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-17 04:07:05,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-17 04:07:05,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:07:05,152 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 04:07:05,152 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 04:07:05,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:07:05,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:07:05,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:07:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:07:05,520 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:07:05,521 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 04:07:05,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 04:07:05,521 INFO L82 PathProgramCache]: Analyzing trace with hash 766495377, now seen corresponding path program 2 times [2021-06-17 04:07:05,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 04:07:05,522 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044851604] [2021-06-17 04:07:05,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 04:07:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 04:07:05,596 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:07:05,597 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 04:07:05,597 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044851604] [2021-06-17 04:07:05,597 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044851604] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:07:05,597 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083472462] [2021-06-17 04:07:05,597 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:07:05,638 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 04:07:05,639 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 04:07:05,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-17 04:07:05,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 04:07:05,813 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-17 04:07:05,814 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083472462] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:07:05,814 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 04:07:05,814 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2021-06-17 04:07:05,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405784683] [2021-06-17 04:07:05,815 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-17 04:07:05,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 04:07:05,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-17 04:07:05,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-06-17 04:07:05,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:07:05,816 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 04:07:05,816 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 04:07:05,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:07:05,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:07:05,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:07:06,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:07:06,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:07:06,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 04:07:06,292 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:07:06,293 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 04:07:06,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 04:07:06,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1778110845, now seen corresponding path program 3 times [2021-06-17 04:07:06,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 04:07:06,294 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028001464] [2021-06-17 04:07:06,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 04:07:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 04:07:07,054 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:07:07,054 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 04:07:07,054 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028001464] [2021-06-17 04:07:07,054 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028001464] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:07:07,055 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947891071] [2021-06-17 04:07:07,055 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:07:07,091 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-17 04:07:07,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 04:07:07,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 36 conjunts are in the unsatisfiable core [2021-06-17 04:07:07,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 04:07:07,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:07,750 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:07:07,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:07:07,780 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 04:07:07,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 29 treesize of output 63 [2021-06-17 04:07:07,840 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-17 04:07:07,908 INFO L628 ElimStorePlain]: treesize reduction 130, result has 27.8 percent of original size [2021-06-17 04:07:07,939 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 04:07:07,939 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:48, output treesize:105 [2021-06-17 04:07:08,127 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:07:08,128 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947891071] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:07:08,128 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 04:07:08,128 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 24 [2021-06-17 04:07:08,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068366091] [2021-06-17 04:07:08,128 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-17 04:07:08,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 04:07:08,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-17 04:07:08,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2021-06-17 04:07:08,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:07:08,130 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 04:07:08,130 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.04) internal successors, (51), 24 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 04:07:08,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:07:08,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:07:08,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 04:07:08,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:07:08,677 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2021-06-17 04:07:08,824 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 50 [2021-06-17 04:07:09,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:07:09,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:07:09,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 04:07:09,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 04:07:09,755 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:07:09,755 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 04:07:09,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 04:07:09,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1300606439, now seen corresponding path program 4 times [2021-06-17 04:07:09,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 04:07:09,756 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145649628] [2021-06-17 04:07:09,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 04:07:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 04:07:09,906 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 9 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:07:09,906 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 04:07:09,906 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145649628] [2021-06-17 04:07:09,906 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145649628] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:07:09,906 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244042368] [2021-06-17 04:07:09,906 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:07:09,953 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 04:07:09,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 04:07:09,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-17 04:07:09,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 04:07:10,178 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:07:10,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244042368] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:07:10,178 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 04:07:10,179 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 21 [2021-06-17 04:07:10,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242667058] [2021-06-17 04:07:10,179 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-17 04:07:10,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 04:07:10,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-17 04:07:10,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=335, Unknown=0, NotChecked=0, Total=420 [2021-06-17 04:07:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:07:10,188 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 04:07:10,188 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 21 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 04:07:10,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:07:10,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:07:10,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 04:07:10,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 04:07:10,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:07:10,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:07:10,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:07:10,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 04:07:10,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 04:07:10,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 04:07:10,619 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:07:10,620 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 04:07:10,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 04:07:10,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1201304837, now seen corresponding path program 5 times [2021-06-17 04:07:10,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 04:07:10,621 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134864215] [2021-06-17 04:07:10,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 04:07:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 04:07:11,519 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:07:11,520 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 04:07:11,520 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134864215] [2021-06-17 04:07:11,520 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134864215] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:07:11,520 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936681347] [2021-06-17 04:07:11,520 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:07:11,571 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-17 04:07:11,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 04:07:11,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 45 conjunts are in the unsatisfiable core [2021-06-17 04:07:11,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 04:07:12,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:12,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:12,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:12,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:12,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:12,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:07:12,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:12,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:12,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:12,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:12,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:12,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:12,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:07:12,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:12,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:12,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:12,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:07:12,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:12,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:12,775 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:07:12,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:12,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:07:12,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 17 [2021-06-17 04:07:12,780 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 04:07:12,791 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 04:07:12,794 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 04:07:12,794 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:67, output treesize:3 [2021-06-17 04:07:12,825 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:07:12,825 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936681347] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:07:12,825 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 04:07:12,825 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 30 [2021-06-17 04:07:12,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471139902] [2021-06-17 04:07:12,826 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-17 04:07:12,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 04:07:12,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-17 04:07:12,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=842, Unknown=0, NotChecked=0, Total=930 [2021-06-17 04:07:12,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:07:12,827 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 04:07:12,828 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.193548387096774) internal successors, (68), 30 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 04:07:12,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:07:12,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:07:12,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 04:07:12,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 04:07:12,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 04:07:12,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:07:13,775 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2021-06-17 04:07:13,950 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2021-06-17 04:07:14,149 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 68 [2021-06-17 04:07:15,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:07:15,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:07:15,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 04:07:15,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 04:07:15,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 04:07:15,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 04:07:15,219 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:07:15,220 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 04:07:15,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 04:07:15,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1157375137, now seen corresponding path program 6 times [2021-06-17 04:07:15,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 04:07:15,220 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570809363] [2021-06-17 04:07:15,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 04:07:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 04:07:15,376 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 25 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:07:15,376 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 04:07:15,376 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570809363] [2021-06-17 04:07:15,376 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570809363] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:07:15,377 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096169156] [2021-06-17 04:07:15,377 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:07:15,414 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-17 04:07:15,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 04:07:15,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-17 04:07:15,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 04:07:15,695 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 36 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:07:15,696 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096169156] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:07:15,696 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 04:07:15,696 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 27 [2021-06-17 04:07:15,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498032028] [2021-06-17 04:07:15,697 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-17 04:07:15,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 04:07:15,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-17 04:07:15,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=561, Unknown=0, NotChecked=0, Total=702 [2021-06-17 04:07:15,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:07:15,699 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 04:07:15,699 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.4074074074074074) internal successors, (65), 27 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 04:07:15,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:07:15,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:07:15,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 04:07:15,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 04:07:15,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 04:07:15,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 04:07:15,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:07:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:07:16,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:07:16,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 04:07:16,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 04:07:16,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 04:07:16,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 04:07:16,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 04:07:16,240 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:07:16,240 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 04:07:16,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 04:07:16,241 INFO L82 PathProgramCache]: Analyzing trace with hash -215683213, now seen corresponding path program 7 times [2021-06-17 04:07:16,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 04:07:16,241 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605780355] [2021-06-17 04:07:16,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 04:07:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 04:07:17,338 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 16 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:07:17,339 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 04:07:17,339 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605780355] [2021-06-17 04:07:17,339 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605780355] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:07:17,339 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680976132] [2021-06-17 04:07:17,339 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:07:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 04:07:17,381 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 64 conjunts are in the unsatisfiable core [2021-06-17 04:07:17,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 04:07:18,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,212 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:07:18,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:07:18,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,225 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:07:18,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:07:18,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,234 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:07:18,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:18,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:07:18,247 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:07:18,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 21 [2021-06-17 04:07:18,252 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 04:07:18,258 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 04:07:18,260 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 04:07:18,260 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:3 [2021-06-17 04:07:18,291 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:07:18,291 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680976132] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:07:18,291 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 04:07:18,292 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19] total 37 [2021-06-17 04:07:18,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123972581] [2021-06-17 04:07:18,292 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-17 04:07:18,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 04:07:18,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-17 04:07:18,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=1275, Unknown=0, NotChecked=0, Total=1406 [2021-06-17 04:07:18,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:07:18,294 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 04:07:18,294 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 2.210526315789474) internal successors, (84), 37 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 04:07:18,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:07:18,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:07:18,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 04:07:18,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 04:07:18,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 04:07:18,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 04:07:18,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 04:07:18,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:07:20,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:07:20,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:07:20,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 04:07:20,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 04:07:20,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 04:07:20,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 04:07:20,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 04:07:20,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 04:07:20,714 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-06-17 04:07:20,714 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 04:07:20,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 04:07:20,715 INFO L82 PathProgramCache]: Analyzing trace with hash 205295831, now seen corresponding path program 8 times [2021-06-17 04:07:20,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 04:07:20,715 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066768050] [2021-06-17 04:07:20,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 04:07:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 04:07:20,924 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 49 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:07:20,925 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 04:07:20,925 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066768050] [2021-06-17 04:07:20,925 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066768050] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:07:20,925 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450328015] [2021-06-17 04:07:20,925 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:07:20,993 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 04:07:20,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 04:07:20,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-17 04:07:20,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 04:07:21,366 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 64 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:07:21,366 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450328015] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:07:21,366 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 04:07:21,367 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 33 [2021-06-17 04:07:21,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117235972] [2021-06-17 04:07:21,367 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-17 04:07:21,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 04:07:21,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-17 04:07:21,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=843, Unknown=0, NotChecked=0, Total=1056 [2021-06-17 04:07:21,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:07:21,369 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 04:07:21,369 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.3333333333333335) internal successors, (77), 33 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 04:07:21,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:07:21,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:07:21,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 04:07:21,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 04:07:21,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 04:07:21,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-17 04:07:21,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 04:07:21,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 04:07:21,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 04:07:21,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 04:07:21,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 04:07:21,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 04:07:21,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 04:07:21,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 04:07:21,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-17 04:07:21,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 04:07:21,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 04:07:21,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 04:07:22,012 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:07:22,013 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 04:07:22,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 04:07:22,013 INFO L82 PathProgramCache]: Analyzing trace with hash 146430955, now seen corresponding path program 9 times [2021-06-17 04:07:22,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 04:07:22,014 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790456310] [2021-06-17 04:07:22,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 04:07:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 04:07:23,503 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 18 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 04:07:23,503 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 04:07:23,503 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790456310] [2021-06-17 04:07:23,503 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790456310] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 04:07:23,503 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1601722933] [2021-06-17 04:07:23,503 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 04:07:23,546 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-06-17 04:07:23,547 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 04:07:23,548 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 83 conjunts are in the unsatisfiable core [2021-06-17 04:07:23,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 04:07:25,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:07:25,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:07:25,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:07:25,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,325 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:07:25,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 04:07:25,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 04:07:25,746 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2021-06-17 04:07:25,747 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 04:07:25,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 28 disjoint index pairs (out of 153 index pairs), introduced 13 new quantified variables, introduced 90 case distinctions, treesize of input 81 treesize of output 579 [2021-06-17 04:07:26,936 WARN L205 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 1675 DAG size of output: 1032 [2021-06-17 04:07:27,810 WARN L205 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 1693 DAG size of output: 1050 [2021-06-17 04:07:31,521 WARN L205 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 5313 DAG size of output: 2999 [2021-06-17 04:07:34,755 WARN L205 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 5341 DAG size of output: 3022 [2021-06-17 04:07:40,619 WARN L205 SmtUtils]: Spent 5.83 s on a formula simplification. DAG size of input: 2761 DAG size of output: 2816 [2021-06-17 04:07:46,629 WARN L205 SmtUtils]: Spent 5.98 s on a formula simplification. DAG size of input: 2755 DAG size of output: 2824 [2021-06-17 04:07:52,483 WARN L205 SmtUtils]: Spent 5.82 s on a formula simplification. DAG size of input: 2750 DAG size of output: 2891 [2021-06-17 04:07:55,053 WARN L205 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 2744 DAG size of output: 2744 [2021-06-17 04:07:59,047 WARN L205 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 2371 DAG size of output: 2637 [2021-06-17 04:08:00,741 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 2366 DAG size of output: 2366 [2021-06-17 04:08:03,204 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 1898 DAG size of output: 1900 [2021-06-17 04:08:03,331 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 492 [2021-06-17 04:08:03,521 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 309 [2021-06-17 04:08:04,076 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 749 DAG size of output: 593 [2021-06-17 04:08:04,575 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 1035 DAG size of output: 840 [2021-06-17 04:08:05,354 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 729 DAG size of output: 624 [2021-06-17 04:08:05,573 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 869 DAG size of output: 741 [2021-06-17 04:08:06,126 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 1669 DAG size of output: 1320 [2021-06-17 04:08:06,596 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 575 [2021-06-17 04:08:06,997 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 537 [2021-06-17 04:08:07,232 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 477 [2021-06-17 04:08:07,423 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 485 [2021-06-17 04:08:07,825 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 735 [2021-06-17 04:08:08,047 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 1053 DAG size of output: 958 [2021-06-17 04:08:08,520 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 1352 DAG size of output: 1250 [2021-06-17 04:08:09,190 WARN L205 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 1539 [2021-06-17 04:08:09,387 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 459 [2021-06-17 04:08:09,861 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 625 [2021-06-17 04:08:14,636 WARN L205 SmtUtils]: Spent 4.26 s on a formula simplification. DAG size of input: 6128 DAG size of output: 4609 [2021-06-17 04:08:15,503 WARN L205 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 879 DAG size of output: 957 [2021-06-17 04:08:15,780 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 842 DAG size of output: 842 [2021-06-17 04:08:15,977 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 766 DAG size of output: 766 [2021-06-17 04:08:16,687 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 764 DAG size of output: 625 [2021-06-17 04:08:16,849 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 873 DAG size of output: 709 [2021-06-17 04:08:17,171 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 459 [2021-06-17 04:08:17,458 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 673 [2021-06-17 04:08:17,820 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 1157 DAG size of output: 811 [2021-06-17 04:08:18,533 WARN L205 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 2208 DAG size of output: 1545 [2021-06-17 04:08:19,878 WARN L205 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 2460 DAG size of output: 1709 [2021-06-17 04:08:21,558 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 2764 DAG size of output: 2008 [2021-06-17 04:08:28,682 WARN L205 SmtUtils]: Spent 7.10 s on a formula simplification. DAG size of input: 7913 DAG size of output: 5890 [2021-06-17 04:08:39,024 WARN L205 SmtUtils]: Spent 10.30 s on a formula simplification. DAG size of input: 8755 DAG size of output: 6672 [2021-06-17 04:08:39,788 WARN L205 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 730 DAG size of output: 804 [2021-06-17 04:08:40,372 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 696 DAG size of output: 793 [2021-06-17 04:08:40,854 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 637 DAG size of output: 690 [2021-06-17 04:08:41,044 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 631 [2021-06-17 04:08:41,402 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 456 DAG size of output: 387 [2021-06-17 04:08:41,554 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 457 [2021-06-17 04:08:41,687 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 568 [2021-06-17 04:08:41,920 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 522 [2021-06-17 04:08:42,123 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 542 [2021-06-17 04:08:42,276 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 478 [2021-06-17 04:08:43,013 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 1166 DAG size of output: 979 [2021-06-17 04:08:43,335 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 1425 DAG size of output: 1203 [2021-06-17 04:08:43,830 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 1750 DAG size of output: 1478 [2021-06-17 04:08:44,604 WARN L205 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 2019 DAG size of output: 1717 [2021-06-17 04:08:45,835 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 2196 DAG size of output: 1864 [2021-06-17 04:08:47,282 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 2509 DAG size of output: 2108 [2021-06-17 04:08:49,357 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 2640 DAG size of output: 2229 [2021-06-17 04:08:52,020 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 2988 DAG size of output: 2545 [2021-06-17 04:08:55,612 WARN L205 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 3502 DAG size of output: 3063 [2021-06-17 04:09:11,855 WARN L205 SmtUtils]: Spent 16.22 s on a formula simplification. DAG size of input: 11366 DAG size of output: 8741 [2021-06-17 04:09:33,425 WARN L205 SmtUtils]: Spent 21.50 s on a formula simplification. DAG size of input: 12598 DAG size of output: 9923 [2021-06-17 04:10:00,561 WARN L205 SmtUtils]: Spent 27.01 s on a formula simplification. DAG size of input: 13972 DAG size of output: 11163 [2021-06-17 04:10:35,397 WARN L205 SmtUtils]: Spent 34.74 s on a formula simplification. DAG size of input: 15421 DAG size of output: 12295 [2021-06-17 04:11:09,819 WARN L205 SmtUtils]: Spent 34.33 s on a formula simplification. DAG size of input: 15421 DAG size of output: 12295 [2021-06-17 04:11:46,868 WARN L205 SmtUtils]: Spent 36.66 s on a formula simplification. DAG size of input: 15431 DAG size of output: 12305 [2021-06-17 04:13:04,080 WARN L205 SmtUtils]: Spent 1.29 m on a formula simplification. DAG size of input: 11452 DAG size of output: 14240 [2021-06-17 04:14:20,071 WARN L205 SmtUtils]: Spent 1.26 m on a formula simplification. DAG size of input: 11420 DAG size of output: 13505 [2021-06-17 04:14:53,578 WARN L205 SmtUtils]: Spent 33.41 s on a formula simplification. DAG size of input: 11415 DAG size of output: 11429 [2021-06-17 04:15:20,611 WARN L205 SmtUtils]: Spent 26.94 s on a formula simplification. DAG size of input: 10451 DAG size of output: 10465 [2021-06-17 04:15:41,344 WARN L205 SmtUtils]: Spent 20.64 s on a formula simplification. DAG size of input: 9267 DAG size of output: 9281 [2021-06-17 04:15:57,139 WARN L205 SmtUtils]: Spent 15.73 s on a formula simplification. DAG size of input: 8117 DAG size of output: 8131 [2021-06-17 04:16:03,295 WARN L205 SmtUtils]: Spent 6.12 s on a formula simplification. DAG size of input: 2407 DAG size of output: 2547 [2021-06-17 04:16:03,882 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 706 DAG size of output: 593 [2021-06-17 04:16:04,094 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 762 [2021-06-17 04:16:04,311 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 427 [2021-06-17 04:16:04,847 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 1148 DAG size of output: 851 [2021-06-17 04:16:05,876 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 741 [2021-06-17 04:16:06,088 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 450 [2021-06-17 04:16:06,956 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 1151 DAG size of output: 916 [2021-06-17 04:16:08,076 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 511 [2021-06-17 04:16:08,395 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 460 [2021-06-17 04:16:08,990 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 364 [2021-06-17 04:16:09,527 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 1137 DAG size of output: 836 [2021-06-17 04:16:09,875 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 1259 DAG size of output: 941 [2021-06-17 04:16:10,379 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 1507 DAG size of output: 1099 [2021-06-17 04:16:10,980 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 613 [2021-06-17 04:16:11,515 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 681 [2021-06-17 04:16:11,976 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 664 [2021-06-17 04:16:12,337 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 663 [2021-06-17 04:16:13,251 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 612 [2021-06-17 04:16:13,534 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 1039 DAG size of output: 996 [2021-06-17 04:16:14,108 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 1490 DAG size of output: 1439 [2021-06-17 04:16:15,071 WARN L205 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 1823 DAG size of output: 1755 [2021-06-17 04:16:16,522 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 2110 DAG size of output: 2029 [2021-06-17 04:16:18,680 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 2595 DAG size of output: 2520 [2021-06-17 04:16:29,876 WARN L205 SmtUtils]: Spent 11.17 s on a formula simplification. DAG size of input: 10048 DAG size of output: 7918 [2021-06-17 04:16:39,914 WARN L205 SmtUtils]: Spent 9.98 s on a formula simplification. DAG size of input: 6192 DAG size of output: 6203 [2021-06-17 04:16:41,523 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 1825 DAG size of output: 1831 [2021-06-17 04:16:42,483 WARN L205 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 1538 DAG size of output: 1544 [2021-06-17 04:16:42,656 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 415 [2021-06-17 04:16:42,803 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 376 [2021-06-17 04:16:43,087 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 555 [2021-06-17 04:16:43,381 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 773 DAG size of output: 613 [2021-06-17 04:16:44,059 WARN L205 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 1394 DAG size of output: 1400 [2021-06-17 04:16:46,439 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 395 [2021-06-17 04:16:46,642 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 764 DAG size of output: 595 [2021-06-17 04:16:47,899 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 3150 DAG size of output: 2427 [2021-06-17 04:16:49,853 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 3650 DAG size of output: 2794 [2021-06-17 04:16:50,221 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 728 DAG size of output: 728 [2021-06-17 04:16:50,892 WARN L205 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 727 [2021-06-17 04:16:51,154 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 672 [2021-06-17 04:16:51,321 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 593 [2021-06-17 04:16:52,349 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 1359 DAG size of output: 930 [2021-06-17 04:16:52,958 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 781 DAG size of output: 657 [2021-06-17 04:16:53,547 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 1826 DAG size of output: 1287 [2021-06-17 04:16:54,557 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 2202 DAG size of output: 1633 [2021-06-17 04:16:55,019 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 478 [2021-06-17 04:16:55,181 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 664 DAG size of output: 505 [2021-06-17 04:16:56,590 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 2490 DAG size of output: 1828 [2021-06-17 04:17:00,599 WARN L205 SmtUtils]: Spent 4.00 s on a formula simplification. DAG size of input: 5281 DAG size of output: 3929 [2021-06-17 04:17:00,819 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 489 [2021-06-17 04:17:01,179 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 845 DAG size of output: 669 [2021-06-17 04:17:02,374 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 444 [2021-06-17 04:17:02,613 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 731 DAG size of output: 618 [2021-06-17 04:17:03,573 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 926 DAG size of output: 883 [2021-06-17 04:17:04,345 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 767 DAG size of output: 763 [2021-06-17 04:17:04,915 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 698 DAG size of output: 579 [2021-06-17 04:17:05,108 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 585 DAG size of output: 585 [2021-06-17 04:17:05,333 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 505 [2021-06-17 04:17:05,671 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 945 DAG size of output: 637 [2021-06-17 04:17:06,061 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 483 [2021-06-17 04:17:06,566 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 1369 DAG size of output: 900 [2021-06-17 04:17:07,179 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 531 [2021-06-17 04:17:07,461 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 354 [2021-06-17 04:17:07,781 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 810 DAG size of output: 681 [2021-06-17 04:17:08,411 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 1271 DAG size of output: 1082 [2021-06-17 04:17:08,556 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 559 [2021-06-17 04:17:09,558 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 1221 DAG size of output: 794 [2021-06-17 04:17:10,260 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 964 DAG size of output: 682 [2021-06-17 04:17:10,472 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 423 [2021-06-17 04:17:10,981 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 777 DAG size of output: 516 [2021-06-17 04:17:11,271 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 973 DAG size of output: 675 [2021-06-17 04:17:12,052 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 558 [2021-06-17 04:17:12,921 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 940 DAG size of output: 664 [2021-06-17 04:17:13,311 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 1121 DAG size of output: 837 [2021-06-17 04:17:17,510 WARN L205 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 1893 DAG size of output: 1949 [2021-06-17 04:17:21,268 WARN L205 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 1889 DAG size of output: 1977 [2021-06-17 04:17:22,016 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 476 [2021-06-17 04:17:22,189 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 542 [2021-06-17 04:17:22,873 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 487 DAG size of output: 536 [2021-06-17 04:17:22,983 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 458 [2021-06-17 04:17:23,465 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 417 [2021-06-17 04:17:23,836 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 753 DAG size of output: 722 [2021-06-17 04:17:24,136 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 1169 DAG size of output: 1020 [2021-06-17 04:17:24,677 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 1458 DAG size of output: 1248 [2021-06-17 04:17:25,257 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 861 DAG size of output: 622 [2021-06-17 04:17:25,477 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 359 [2021-06-17 04:17:25,808 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 608 DAG size of output: 516 [2021-06-17 04:17:26,000 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 801 DAG size of output: 715 [2021-06-17 04:17:26,528 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 659 DAG size of output: 609 [2021-06-17 04:17:26,924 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 1224 DAG size of output: 1076 [2021-06-17 04:17:27,290 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 724 [2021-06-17 04:17:27,966 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 672 [2021-06-17 04:17:28,128 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 593 [2021-06-17 04:17:29,121 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 1359 DAG size of output: 930 [2021-06-17 04:17:29,732 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 781 DAG size of output: 657 [2021-06-17 04:17:30,324 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 1826 DAG size of output: 1287 [2021-06-17 04:17:31,165 WARN L205 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 2069 DAG size of output: 1414 [2021-06-17 04:17:37,335 WARN L205 SmtUtils]: Spent 6.15 s on a formula simplification. DAG size of input: 6819 DAG size of output: 5070 [2021-06-17 04:17:46,352 WARN L205 SmtUtils]: Spent 8.98 s on a formula simplification. DAG size of input: 7983 DAG size of output: 6176 [2021-06-17 04:18:12,099 WARN L205 SmtUtils]: Spent 25.69 s on a formula simplification. DAG size of input: 19600 DAG size of output: 14613 [2021-06-17 04:18:12,891 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 725 DAG size of output: 701 [2021-06-17 04:18:13,362 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 555 [2021-06-17 04:18:13,815 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 590 [2021-06-17 04:18:14,250 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 520 [2021-06-17 04:18:14,663 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 578 [2021-06-17 04:18:14,800 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 499 [2021-06-17 04:18:15,517 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 481 [2021-06-17 04:18:15,649 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 450 [2021-06-17 04:18:16,167 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 878 DAG size of output: 856 [2021-06-17 04:18:16,508 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 1169 DAG size of output: 1117 [2021-06-17 04:18:17,107 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 1703 DAG size of output: 1626 [2021-06-17 04:18:18,072 WARN L205 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 1965 DAG size of output: 1869 [2021-06-17 04:18:19,495 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 2031 DAG size of output: 1935 [2021-06-17 04:18:21,394 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 2076 DAG size of output: 1978 [2021-06-17 04:18:23,872 WARN L205 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 2306 DAG size of output: 2189 [2021-06-17 04:18:27,120 WARN L205 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 2692 DAG size of output: 2540 [2021-06-17 04:19:14,011 WARN L205 SmtUtils]: Spent 46.83 s on a formula simplification. DAG size of input: 28427 DAG size of output: 21831 [2021-06-17 04:19:16,424 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 2275 DAG size of output: 2275 [2021-06-17 04:19:18,062 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 1987 DAG size of output: 1987 [2021-06-17 04:19:18,433 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 776 DAG size of output: 776 [2021-06-17 04:19:18,688 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 692 DAG size of output: 692 [2021-06-17 04:19:19,122 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 662 [2021-06-17 04:19:19,526 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 603 [2021-06-17 04:19:19,686 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 597 [2021-06-17 04:19:20,658 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 1025 DAG size of output: 809 [2021-06-17 04:19:21,200 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 1183 DAG size of output: 940 [2021-06-17 04:19:22,071 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 1683 DAG size of output: 1286 [2021-06-17 04:19:23,023 WARN L205 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 2006 DAG size of output: 1582 [2021-06-17 04:19:24,289 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 2310 DAG size of output: 1836 [2021-06-17 04:19:24,980 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 772 DAG size of output: 648 [2021-06-17 04:19:25,182 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 794 [2021-06-17 04:19:25,486 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 1051 DAG size of output: 894 [2021-06-17 04:19:25,867 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 908 [2021-06-17 04:19:27,907 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 2978 DAG size of output: 2346 [2021-06-17 04:19:28,580 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 521 [2021-06-17 04:19:28,811 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 560 [2021-06-17 04:19:29,091 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 753 DAG size of output: 608 [2021-06-17 04:19:31,850 WARN L205 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 3348 DAG size of output: 2627 [2021-06-17 04:19:34,235 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 1589 DAG size of output: 1802 [2021-06-17 04:19:36,468 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 1585 DAG size of output: 1653 [2021-06-17 04:19:38,822 WARN L205 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 1582 DAG size of output: 1584 [2021-06-17 04:19:39,016 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 348 [2021-06-17 04:19:39,255 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 484 [2021-06-17 04:19:39,630 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 866 DAG size of output: 624 [2021-06-17 04:19:40,535 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 552 [2021-06-17 04:19:40,803 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 523 [2021-06-17 04:19:41,889 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 1482 DAG size of output: 1136 [2021-06-17 04:19:42,373 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 1681 DAG size of output: 1300 [2021-06-17 04:19:43,147 WARN L205 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 1731 DAG size of output: 1347 [2021-06-17 04:19:43,707 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 784 DAG size of output: 539 [2021-06-17 04:19:43,955 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 470 [2021-06-17 04:19:44,147 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 453 [2021-06-17 04:19:44,835 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 662 DAG size of output: 590 [2021-06-17 04:19:45,071 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 1049 DAG size of output: 929 [2021-06-17 04:19:45,503 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 1322 DAG size of output: 1206 [2021-06-17 04:19:46,151 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 1596 DAG size of output: 1440 [2021-06-17 04:19:50,508 WARN L205 SmtUtils]: Spent 4.34 s on a formula simplification. DAG size of input: 6008 DAG size of output: 4452 [2021-06-17 04:19:56,803 WARN L205 SmtUtils]: Spent 6.27 s on a formula simplification. DAG size of input: 6937 DAG size of output: 5325 [2021-06-17 04:20:05,292 WARN L205 SmtUtils]: Spent 8.45 s on a formula simplification. DAG size of input: 7774 DAG size of output: 6090 [2021-06-17 04:20:18,734 WARN L205 SmtUtils]: Spent 13.40 s on a formula simplification. DAG size of input: 9998 DAG size of output: 7827 [2021-06-17 04:20:19,436 WARN L205 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 731 [2021-06-17 04:20:19,962 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 724 [2021-06-17 04:20:20,134 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 563 [2021-06-17 04:20:20,491 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 442 [2021-06-17 04:20:20,622 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 648 DAG size of output: 510 [2021-06-17 04:20:20,746 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 505 [2021-06-17 04:20:20,970 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 451 [2021-06-17 04:20:21,173 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 429 [2021-06-17 04:20:21,301 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 381 [2021-06-17 04:20:21,422 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 375 [2021-06-17 04:20:21,633 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 809 DAG size of output: 588 [2021-06-17 04:20:21,827 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 1014 DAG size of output: 767 [2021-06-17 04:20:22,160 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 1203 DAG size of output: 929 [2021-06-17 04:20:23,154 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 1769 DAG size of output: 1368 [2021-06-17 04:20:24,037 WARN L205 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 2060 DAG size of output: 1582 [2021-06-17 04:20:25,348 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 2406 DAG size of output: 1802 [2021-06-17 04:20:27,167 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 2694 DAG size of output: 2069 [2021-06-17 04:20:29,687 WARN L205 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 3047 DAG size of output: 2347 [2021-06-17 04:20:48,587 WARN L205 SmtUtils]: Spent 18.87 s on a formula simplification. DAG size of input: 11808 DAG size of output: 9293 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown