/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-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 05:40:23,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 05:40:23,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 05:40:23,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 05:40:23,352 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-NewStatesSleepPersistent-NoLbe.epf [2021-07-10 05:40:23,387 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 05:40:23,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 05:40:23,388 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 05:40:23,388 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 05:40:23,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 05:40:23,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 05:40:23,390 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 05:40:23,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 05:40:23,391 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 05:40:23,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 05:40:23,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 05:40:23,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 05:40:23,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 05:40:23,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 05:40:23,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 05:40:23,392 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 05:40:23,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 05:40:23,392 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 05:40:23,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 05:40:23,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 05:40:23,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 05:40:23,393 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 05:40:23,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 05:40:23,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 05:40:23,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 05:40:23,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 05:40:23,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 05:40:23,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 05:40:23,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 05:40:23,394 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 05:40:23,394 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 05:40:23,394 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 05:40:23,395 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 05:40:23,395 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 05:40:23,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 05:40:23,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 05:40:23,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 05:40:23,703 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 05:40:23,704 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 05:40:23,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl [2021-07-10 05:40:23,705 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl' [2021-07-10 05:40:23,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 05:40:23,727 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 05:40:23,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 05:40:23,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 05:40:23,729 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 05:40:23,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:40:23" (1/1) ... [2021-07-10 05:40:23,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:40:23" (1/1) ... [2021-07-10 05:40:23,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 05:40:23,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 05:40:23,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 05:40:23,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 05:40:23,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:40:23" (1/1) ... [2021-07-10 05:40:23,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:40:23" (1/1) ... [2021-07-10 05:40:23,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:40:23" (1/1) ... [2021-07-10 05:40:23,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:40:23" (1/1) ... [2021-07-10 05:40:23,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:40:23" (1/1) ... [2021-07-10 05:40:23,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:40:23" (1/1) ... [2021-07-10 05:40:23,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:40:23" (1/1) ... [2021-07-10 05:40:23,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 05:40:23,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 05:40:23,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 05:40:23,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 05:40:23,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:40:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 05:40:23,843 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 05:40:23,844 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 05:40:23,844 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 05:40:23,845 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 05:40:23,845 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 05:40:23,845 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 05:40:23,845 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 05:40:23,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 05:40:23,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 05:40:23,846 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 05:40:24,148 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 05:40:24,148 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-10 05:40:24,149 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 05:40:24,150 INFO L202 PluginConnector]: Adding new model unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 05:40:24 BoogieIcfgContainer [2021-07-10 05:40:24,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 05:40:24,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 05:40:24,152 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 05:40:24,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 05:40:24,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:40:23" (1/2) ... [2021-07-10 05:40:24,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e893f28 and model type unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 05:40:24, skipping insertion in model container [2021-07-10 05:40:24,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 05:40:24" (2/2) ... [2021-07-10 05:40:24,156 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-2.wvr.bpl [2021-07-10 05:40:24,160 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 05:40:24,160 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 05:40:24,160 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 05:40:24,177 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 05:40:24,228 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 05:40:24,265 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 05:40:24,376 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 05:40:24,376 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 05:40:24,376 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 05:40:24,376 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 05:40:24,377 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 05:40:24,377 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 05:40:24,377 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 05:40:24,377 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 05:40:24,454 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:24,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:24,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1113283563, now seen corresponding path program 1 times [2021-07-10 05:40:24,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:24,483 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254996368] [2021-07-10 05:40:24,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:24,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:24,691 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:24,691 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254996368] [2021-07-10 05:40:24,691 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254996368] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 05:40:24,692 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 05:40:24,692 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 05:40:24,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282771134] [2021-07-10 05:40:24,696 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 05:40:24,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:40:24,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 05:40:24,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-10 05:40:24,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:24,710 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:40:24,712 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:40:24,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:24,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:24,752 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 05:40:24,752 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:24,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:24,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1316649439, now seen corresponding path program 1 times [2021-07-10 05:40:24,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:24,756 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774439750] [2021-07-10 05:40:24,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:24,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:24,827 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:24,827 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774439750] [2021-07-10 05:40:24,827 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774439750] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:24,827 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63898061] [2021-07-10 05:40:24,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:24,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-10 05:40:24,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:40:25,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 05:40:25,083 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:40:25,085 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:25,085 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:40:25,086 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-07-10 05:40:25,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:25,095 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63898061] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:25,095 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:40:25,095 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-07-10 05:40:25,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799846976] [2021-07-10 05:40:25,097 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 05:40:25,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:40:25,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 05:40:25,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-07-10 05:40:25,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:25,098 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:40:25,098 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:40:25,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:25,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:25,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:25,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:25,361 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:25,361 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:25,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:25,361 INFO L82 PathProgramCache]: Analyzing trace with hash -664838827, now seen corresponding path program 2 times [2021-07-10 05:40:25,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:25,362 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69491635] [2021-07-10 05:40:25,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:25,411 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:25,411 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:25,411 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69491635] [2021-07-10 05:40:25,412 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69491635] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:25,412 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613066670] [2021-07-10 05:40:25,412 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 [2021-07-10 05:40:25,473 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 05:40:25,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:40:25,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-10 05:40:25,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:40:25,544 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:25,545 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613066670] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:25,545 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:40:25,545 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-07-10 05:40:25,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786746662] [2021-07-10 05:40:25,545 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 05:40:25,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:40:25,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 05:40:25,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-10 05:40:25,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:25,547 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:40:25,547 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:40:25,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:25,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:25,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:25,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:25,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:25,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:25,816 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:25,817 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:25,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:25,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1556384768, now seen corresponding path program 1 times [2021-07-10 05:40:25,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:25,818 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198447151] [2021-07-10 05:40:25,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:25,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:25,887 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:25,887 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198447151] [2021-07-10 05:40:25,887 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198447151] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:25,887 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701927690] [2021-07-10 05:40:25,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:25,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-10 05:40:25,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:40:26,082 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:26,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-07-10 05:40:26,090 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:40:26,092 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:26,092 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:40:26,092 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-07-10 05:40:26,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:26,102 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701927690] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:26,102 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:40:26,102 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-10 05:40:26,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123692391] [2021-07-10 05:40:26,103 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 05:40:26,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:40:26,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 05:40:26,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-07-10 05:40:26,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:26,104 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:40:26,104 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:40:26,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:26,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:26,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:26,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:26,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:26,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:26,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:26,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:26,468 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:26,469 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:26,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:26,469 INFO L82 PathProgramCache]: Analyzing trace with hash 16673270, now seen corresponding path program 2 times [2021-07-10 05:40:26,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:26,470 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925369448] [2021-07-10 05:40:26,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:26,562 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:26,562 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:26,562 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925369448] [2021-07-10 05:40:26,562 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925369448] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:26,562 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703108753] [2021-07-10 05:40:26,562 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:26,589 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 05:40:26,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:40:26,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 05:40:26,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:40:26,735 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:26,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-07-10 05:40:26,748 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:40:26,749 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:26,750 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:40:26,750 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-10 05:40:26,757 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:26,757 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703108753] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:26,757 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:40:26,757 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-10 05:40:26,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600636077] [2021-07-10 05:40:26,758 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 05:40:26,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:40:26,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 05:40:26,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-10 05:40:26,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:26,759 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:40:26,759 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:40:26,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:26,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:26,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:26,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:26,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:26,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:26,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:26,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:26,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:26,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:27,128 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:27,129 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:27,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:27,130 INFO L82 PathProgramCache]: Analyzing trace with hash -469742912, now seen corresponding path program 3 times [2021-07-10 05:40:27,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:27,130 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149152830] [2021-07-10 05:40:27,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:27,182 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:27,182 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:27,182 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149152830] [2021-07-10 05:40:27,182 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149152830] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:27,183 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115744160] [2021-07-10 05:40:27,183 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:27,219 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 05:40:27,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:40:27,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 05:40:27,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:40:27,290 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:27,290 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115744160] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:27,290 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:40:27,290 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-10 05:40:27,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486273925] [2021-07-10 05:40:27,290 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 05:40:27,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:40:27,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 05:40:27,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-07-10 05:40:27,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:27,292 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:40:27,292 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:40:27,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:27,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:27,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:27,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:27,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:27,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:27,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:40:27,617 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:27,618 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:27,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:27,618 INFO L82 PathProgramCache]: Analyzing trace with hash -985576459, now seen corresponding path program 4 times [2021-07-10 05:40:27,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:27,619 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347133208] [2021-07-10 05:40:27,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:27,758 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:27,758 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:27,758 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347133208] [2021-07-10 05:40:27,758 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347133208] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:27,759 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90458973] [2021-07-10 05:40:27,759 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:27,788 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 05:40:27,788 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:40:27,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-10 05:40:27,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:40:28,059 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:28,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-07-10 05:40:28,135 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:40:28,137 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:28,137 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:40:28,138 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-10 05:40:28,144 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:28,144 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90458973] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:28,144 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:40:28,145 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-07-10 05:40:28,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210868372] [2021-07-10 05:40:28,145 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 05:40:28,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:40:28,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 05:40:28,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2021-07-10 05:40:28,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:28,148 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:40:28,148 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:40:28,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:28,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:28,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:28,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:28,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:28,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:40:28,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:28,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:28,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:28,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:28,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:28,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:28,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:40:28,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:40:28,584 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-10 05:40:28,585 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:28,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:28,585 INFO L82 PathProgramCache]: Analyzing trace with hash -280092097, now seen corresponding path program 5 times [2021-07-10 05:40:28,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:28,586 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209262489] [2021-07-10 05:40:28,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:28,694 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:28,694 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:28,694 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209262489] [2021-07-10 05:40:28,694 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209262489] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:28,694 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208915091] [2021-07-10 05:40:28,695 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:28,729 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-10 05:40:28,729 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:40:28,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-10 05:40:28,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:40:28,982 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:28,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-07-10 05:40:29,139 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:40:29,140 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:29,141 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:40:29,141 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-07-10 05:40:29,148 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:29,148 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208915091] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:29,148 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:40:29,148 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-07-10 05:40:29,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673250613] [2021-07-10 05:40:29,149 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 05:40:29,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:40:29,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 05:40:29,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2021-07-10 05:40:29,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:29,152 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:40:29,152 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:40:29,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:29,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:29,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:29,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:29,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:29,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:40:29,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:40:29,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:29,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:29,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:29,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:29,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:29,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:29,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:40:29,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:40:29,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:29,630 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-07-10 05:40:29,630 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:29,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:29,630 INFO L82 PathProgramCache]: Analyzing trace with hash 115086645, now seen corresponding path program 6 times [2021-07-10 05:40:29,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:29,631 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664013480] [2021-07-10 05:40:29,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:29,702 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:29,702 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:29,702 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664013480] [2021-07-10 05:40:29,702 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664013480] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:29,702 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472323273] [2021-07-10 05:40:29,703 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:29,750 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-10 05:40:29,750 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:40:29,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-10 05:40:29,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:40:29,812 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:29,812 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472323273] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:29,812 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:40:29,812 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-07-10 05:40:29,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066227601] [2021-07-10 05:40:29,814 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 05:40:29,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:40:29,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 05:40:29,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-07-10 05:40:29,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:29,815 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:40:29,815 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:40:29,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:29,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:29,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:29,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:29,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:29,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:40:29,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:40:29,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:29,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:29,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:29,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:29,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:29,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:29,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:29,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:40:29,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:40:29,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:29,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:30,160 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-07-10 05:40:30,161 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:30,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:30,161 INFO L82 PathProgramCache]: Analyzing trace with hash -35729376, now seen corresponding path program 7 times [2021-07-10 05:40:30,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:30,161 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186063863] [2021-07-10 05:40:30,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:30,330 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:30,330 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:30,330 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186063863] [2021-07-10 05:40:30,331 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186063863] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:30,331 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061688153] [2021-07-10 05:40:30,331 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:30,371 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-10 05:40:30,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:40:30,774 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:30,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-07-10 05:40:31,112 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:40:31,114 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:31,114 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:40:31,115 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-07-10 05:40:31,121 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:31,122 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061688153] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:31,122 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:40:31,122 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-10 05:40:31,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772224052] [2021-07-10 05:40:31,122 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 05:40:31,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:40:31,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 05:40:31,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-10 05:40:31,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:31,123 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:40:31,123 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:40:31,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:31,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:31,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:31,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:31,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:31,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:40:31,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:40:31,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:31,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:31,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:31,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:31,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:31,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:31,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:31,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:31,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:40:31,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:40:31,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:31,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:31,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:40:31,737 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-07-10 05:40:31,738 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:31,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:31,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1773919638, now seen corresponding path program 8 times [2021-07-10 05:40:31,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:31,738 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032610263] [2021-07-10 05:40:31,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:31,889 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:31,890 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:31,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032610263] [2021-07-10 05:40:31,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032610263] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:31,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542096561] [2021-07-10 05:40:31,890 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:31,925 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 05:40:31,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:40:31,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-10 05:40:31,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:40:32,314 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:32,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 35 treesize of output 193 [2021-07-10 05:40:33,098 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:40:33,100 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:33,101 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:40:33,101 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-07-10 05:40:33,108 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:33,109 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542096561] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:33,109 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:40:33,109 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-10 05:40:33,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962300468] [2021-07-10 05:40:33,109 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 05:40:33,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:40:33,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 05:40:33,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-07-10 05:40:33,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:33,112 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:40:33,112 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.4) internal successors, (35), 24 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:40:33,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:33,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:33,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:33,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:33,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:33,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:40:33,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:40:33,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:33,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:33,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:40:33,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:33,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:33,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:33,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:33,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:33,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:33,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:40:33,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:40:33,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:33,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:33,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:40:33,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:40:33,747 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable105 [2021-07-10 05:40:33,748 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:33,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:33,748 INFO L82 PathProgramCache]: Analyzing trace with hash 2038464224, now seen corresponding path program 9 times [2021-07-10 05:40:33,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:33,748 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490266049] [2021-07-10 05:40:33,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:33,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:33,864 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:33,864 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:33,864 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490266049] [2021-07-10 05:40:33,864 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490266049] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:33,864 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076502503] [2021-07-10 05:40:33,864 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:33,894 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 05:40:33,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:40:33,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-10 05:40:33,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:40:33,954 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 28 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:33,954 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076502503] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:33,954 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:40:33,954 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-07-10 05:40:33,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980136744] [2021-07-10 05:40:33,955 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-10 05:40:33,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:40:33,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-10 05:40:33,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2021-07-10 05:40:33,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:33,955 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:40:33,955 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:40:33,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:33,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:33,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:33,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:33,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:33,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:40:33,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:40:33,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:33,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:33,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:40:33,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:40:33,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:34,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:34,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:34,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:34,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:34,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:34,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:40:34,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:40:34,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:34,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:34,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:40:34,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:40:34,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:40:34,321 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:34,321 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:34,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:34,323 INFO L82 PathProgramCache]: Analyzing trace with hash -540566571, now seen corresponding path program 10 times [2021-07-10 05:40:34,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:34,328 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241741162] [2021-07-10 05:40:34,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:34,529 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:34,529 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:34,529 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241741162] [2021-07-10 05:40:34,529 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241741162] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:34,529 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221156488] [2021-07-10 05:40:34,529 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:34,558 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 05:40:34,558 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:40:34,559 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-10 05:40:34,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:40:35,095 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-10 05:40:35,095 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:35,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-07-10 05:40:37,253 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:40:37,254 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:37,254 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:40:37,255 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-10 05:40:37,261 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:37,262 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221156488] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:37,262 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:40:37,262 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-07-10 05:40:37,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864729216] [2021-07-10 05:40:37,262 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-10 05:40:37,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:40:37,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-10 05:40:37,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-07-10 05:40:37,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:37,263 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:40:37,263 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 30 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:40:37,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:37,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:37,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:37,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:37,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:37,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:40:37,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:40:37,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:37,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:37,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:40:37,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:40:37,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:40:37,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:37,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:37,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:37,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:40:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:40:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:40:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:40:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:40:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:40:38,085 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable198 [2021-07-10 05:40:38,086 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:38,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:38,086 INFO L82 PathProgramCache]: Analyzing trace with hash 283710111, now seen corresponding path program 11 times [2021-07-10 05:40:38,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:38,086 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652895640] [2021-07-10 05:40:38,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:38,285 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:38,285 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:38,285 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652895640] [2021-07-10 05:40:38,285 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652895640] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:38,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752488426] [2021-07-10 05:40:38,286 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:38,316 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 05:40:38,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:40:38,317 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 49 conjunts are in the unsatisfiable core [2021-07-10 05:40:38,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:40:38,861 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-10 05:40:38,861 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:38,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-07-10 05:40:39,943 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 213 [2021-07-10 05:40:40,151 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 269 [2021-07-10 05:40:41,162 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 247 [2021-07-10 05:40:41,451 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-10 05:40:41,766 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-10 05:40:42,114 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 387 [2021-07-10 05:40:42,536 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 257 [2021-07-10 05:40:43,216 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-10 05:40:43,341 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-10 05:40:43,518 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 282 [2021-07-10 05:40:44,236 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 210 [2021-07-10 05:40:44,341 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 212 [2021-07-10 05:40:44,567 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:40:44,568 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:44,569 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:40:44,569 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-07-10 05:40:44,575 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:44,575 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752488426] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:44,575 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:40:44,575 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-07-10 05:40:44,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103660049] [2021-07-10 05:40:44,576 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-10 05:40:44,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:40:44,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-10 05:40:44,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-07-10 05:40:44,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:44,577 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:40:44,577 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 30 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:40:44,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:44,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:44,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:44,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:44,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:44,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:40:44,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:40:44,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:44,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:44,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:40:44,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:40:44,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:40:44,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:40:44,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:45,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:45,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:45,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:45,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:45,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:45,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:40:45,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:40:45,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:45,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:45,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:40:45,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:40:45,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:40:45,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:40:45,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 05:40:45,381 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable440,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:45,381 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:45,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:45,381 INFO L82 PathProgramCache]: Analyzing trace with hash 66483477, now seen corresponding path program 12 times [2021-07-10 05:40:45,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:45,382 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173307032] [2021-07-10 05:40:45,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:45,503 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:45,504 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:45,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173307032] [2021-07-10 05:40:45,508 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173307032] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:45,508 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073031672] [2021-07-10 05:40:45,508 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:45,540 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-10 05:40:45,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:40:45,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-10 05:40:45,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:40:45,641 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:45,641 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073031672] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:45,641 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:40:45,641 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-07-10 05:40:45,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042869985] [2021-07-10 05:40:45,642 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-10 05:40:45,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:40:45,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-10 05:40:45,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-07-10 05:40:45,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:45,643 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:40:45,643 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 17 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:40:45,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:45,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:45,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:45,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:45,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:45,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:40:45,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:40:45,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:45,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:45,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:40:45,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:40:45,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:40:45,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:40:45,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 05:40:45,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:40:45,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:40:45,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:40:45,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:40:45,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:45,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:40:45,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:40:45,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:40:45,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:45,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:40:45,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:40:45,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:40:45,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:40:45,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:40:45,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 05:40:45,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:40:46,083 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable900,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:46,083 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:40:46,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:40:46,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1542427584, now seen corresponding path program 13 times [2021-07-10 05:40:46,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:40:46,084 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911215135] [2021-07-10 05:40:46,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:40:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:46,374 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:40:46,374 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:40:46,374 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911215135] [2021-07-10 05:40:46,374 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911215135] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:40:46,374 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468787274] [2021-07-10 05:40:46,374 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:40:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:40:46,412 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-10 05:40:46,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:40:47,148 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-10 05:40:47,148 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:40:47,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-07-10 05:40:48,204 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 265 [2021-07-10 05:40:48,378 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-10 05:40:48,544 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-10 05:40:48,743 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-07-10 05:40:49,149 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 419 [2021-07-10 05:40:49,403 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 367 [2021-07-10 05:40:49,642 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 330 [2021-07-10 05:40:49,829 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 298 [2021-07-10 05:40:50,280 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 261 [2021-07-10 05:40:50,384 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 218 [2021-07-10 05:40:51,076 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 358 [2021-07-10 05:40:51,309 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 329 [2021-07-10 05:40:51,419 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 245 [2021-07-10 05:40:52,565 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 356 [2021-07-10 05:40:53,010 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 494 [2021-07-10 05:40:53,198 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 304 [2021-07-10 05:40:54,103 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 232 [2021-07-10 05:40:54,226 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 239 [2021-07-10 05:40:54,776 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 245 [2021-07-10 05:40:55,260 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 219 [2021-07-10 05:40:55,519 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 342 [2021-07-10 05:40:56,255 WARN L205 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-10 05:40:57,004 WARN L205 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-10 05:40:57,821 WARN L205 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 663 [2021-07-10 05:40:58,796 WARN L205 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 835 [2021-07-10 05:40:58,965 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 361 [2021-07-10 05:40:59,800 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 271 [2021-07-10 05:41:00,130 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 538 [2021-07-10 05:41:00,552 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 342 [2021-07-10 05:41:01,025 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-10 05:41:01,487 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-10 05:41:02,006 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 465 [2021-07-10 05:41:02,550 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 616 [2021-07-10 05:41:02,792 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 373 [2021-07-10 05:41:02,986 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 375 [2021-07-10 05:41:03,193 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 343 [2021-07-10 05:41:03,949 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 277 [2021-07-10 05:41:04,558 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 380 [2021-07-10 05:41:04,825 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 437 [2021-07-10 05:41:05,577 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 197 [2021-07-10 05:41:06,036 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 562 [2021-07-10 05:41:06,532 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 436 [2021-07-10 05:41:07,624 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 254 [2021-07-10 05:41:08,495 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 422 [2021-07-10 05:41:09,521 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 545 [2021-07-10 05:41:10,526 WARN L205 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-10 05:41:11,531 WARN L205 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-10 05:41:12,598 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1554 DAG size of output: 954 [2021-07-10 05:41:12,753 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 611 [2021-07-10 05:41:13,080 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 447 [2021-07-10 05:41:13,900 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 294 [2021-07-10 05:41:14,059 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-10 05:41:14,222 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-10 05:41:14,388 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 338 [2021-07-10 05:41:14,582 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 321 [2021-07-10 05:41:14,961 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:41:14,963 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:41:14,963 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:41:14,963 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-07-10 05:41:14,968 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:41:14,968 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468787274] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:41:14,968 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:41:14,968 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-07-10 05:41:14,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843233420] [2021-07-10 05:41:14,969 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-10 05:41:14,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:41:14,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-10 05:41:14,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1241, Unknown=0, NotChecked=0, Total=1332 [2021-07-10 05:41:14,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:41:14,970 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:41:14,970 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 36 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:41:14,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:41:14,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:41:14,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:41:14,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:41:14,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:41:14,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:41:14,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:41:14,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:41:14,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:41:14,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:41:14,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:41:14,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:41:14,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:41:14,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 05:41:14,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:41:14,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:41:15,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:41:15,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:41:15,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:41:15,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:41:15,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:41:15,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:41:15,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:41:15,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:41:15,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 05:41:15,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:41:15,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 05:41:15,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:41:15,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:41:15,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 05:41:15,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:41:15,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 05:41:15,909 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable901,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:41:15,909 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:41:15,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:41:15,909 INFO L82 PathProgramCache]: Analyzing trace with hash 156174646, now seen corresponding path program 14 times [2021-07-10 05:41:15,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:41:15,909 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472294993] [2021-07-10 05:41:15,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:41:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:41:16,160 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:41:16,161 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:41:16,161 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472294993] [2021-07-10 05:41:16,161 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472294993] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:41:16,161 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127462597] [2021-07-10 05:41:16,161 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:41:16,192 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 05:41:16,193 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:41:16,193 WARN L261 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-10 05:41:16,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:41:17,035 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-07-10 05:41:17,036 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:41:17,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 51 treesize of output 477 [2021-07-10 05:41:18,253 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 351 [2021-07-10 05:41:18,408 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 372 [2021-07-10 05:41:18,611 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 408 [2021-07-10 05:41:19,865 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 389 [2021-07-10 05:41:20,047 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 409 [2021-07-10 05:41:20,285 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 445 [2021-07-10 05:41:20,821 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 727 [2021-07-10 05:41:21,350 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 728 [2021-07-10 05:41:21,981 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 753 [2021-07-10 05:41:22,713 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 775 [2021-07-10 05:41:23,552 WARN L205 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-10 05:41:24,401 WARN L205 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-10 05:41:25,512 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1192 DAG size of output: 813 [2021-07-10 05:41:27,727 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 815 DAG size of output: 982 [2021-07-10 05:41:29,355 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 786 DAG size of output: 884 [2021-07-10 05:41:30,351 WARN L205 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 765 DAG size of output: 798 [2021-07-10 05:41:31,843 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 754 DAG size of output: 1042 [2021-07-10 05:41:32,635 WARN L205 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 844 [2021-07-10 05:41:32,943 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 317 [2021-07-10 05:41:33,828 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 179 [2021-07-10 05:41:33,934 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 256 [2021-07-10 05:41:34,070 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-10 05:41:35,094 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 230 [2021-07-10 05:41:35,272 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 252 [2021-07-10 05:41:35,464 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 259 [2021-07-10 05:41:36,299 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 199 [2021-07-10 05:41:36,612 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 331 [2021-07-10 05:41:37,006 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 350 [2021-07-10 05:41:38,099 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2021-07-10 05:41:38,256 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 217 [2021-07-10 05:41:38,762 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 246 [2021-07-10 05:41:39,223 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 331 [2021-07-10 05:41:39,388 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 262 [2021-07-10 05:41:39,588 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 324 [2021-07-10 05:41:39,747 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 244 [2021-07-10 05:41:40,337 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 257 [2021-07-10 05:41:40,618 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 218 [2021-07-10 05:41:40,736 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 210 [2021-07-10 05:41:40,894 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 228 [2021-07-10 05:41:41,056 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 241 [2021-07-10 05:41:41,705 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 210 [2021-07-10 05:41:42,316 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 238 [2021-07-10 05:41:42,489 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 282 [2021-07-10 05:41:42,704 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 300 [2021-07-10 05:41:43,020 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 296 [2021-07-10 05:41:44,331 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 216 [2021-07-10 05:41:44,477 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 235 [2021-07-10 05:41:44,929 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 313 [2021-07-10 05:41:45,936 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 1222 DAG size of output: 455 [2021-07-10 05:41:47,325 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1424 DAG size of output: 577 [2021-07-10 05:41:47,487 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 277 [2021-07-10 05:41:47,677 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 283 [2021-07-10 05:41:47,829 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-07-10 05:41:48,624 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 239 [2021-07-10 05:41:48,783 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 285 [2021-07-10 05:41:50,020 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 247 [2021-07-10 05:41:50,254 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 311 [2021-07-10 05:41:50,724 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 143 [2021-07-10 05:41:50,860 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 158 [2021-07-10 05:41:51,376 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 186 [2021-07-10 05:41:51,567 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2021-07-10 05:41:52,046 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 400 [2021-07-10 05:41:52,644 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 483 [2021-07-10 05:41:53,345 WARN L205 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 507 [2021-07-10 05:41:54,671 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 251 [2021-07-10 05:41:54,835 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 272 [2021-07-10 05:41:55,064 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 285 [2021-07-10 05:41:55,335 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 288 [2021-07-10 05:41:56,023 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-07-10 05:41:56,694 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 282 [2021-07-10 05:41:57,207 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 216 [2021-07-10 05:41:57,535 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 311 [2021-07-10 05:41:57,892 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 354 [2021-07-10 05:41:58,933 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 217 [2021-07-10 05:41:59,090 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 217 [2021-07-10 05:41:59,703 WARN L205 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 451 [2021-07-10 05:42:00,415 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 463 [2021-07-10 05:42:01,683 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1029 DAG size of output: 672 [2021-07-10 05:42:03,722 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 1517 DAG size of output: 968 [2021-07-10 05:42:04,677 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 286 [2021-07-10 05:42:04,834 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 287 [2021-07-10 05:42:05,455 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 312 [2021-07-10 05:42:06,134 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 325 [2021-07-10 05:42:06,488 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 328 [2021-07-10 05:42:06,621 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-10 05:42:07,580 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 288 [2021-07-10 05:42:08,387 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 171 [2021-07-10 05:42:08,578 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2021-07-10 05:42:08,982 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 373 [2021-07-10 05:42:09,957 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 452 [2021-07-10 05:42:10,967 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 235 [2021-07-10 05:42:11,211 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 297 [2021-07-10 05:42:11,729 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 227 [2021-07-10 05:42:12,152 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 393 [2021-07-10 05:42:12,582 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 397 [2021-07-10 05:42:13,371 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2021-07-10 05:42:13,713 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2021-07-10 05:42:14,513 WARN L205 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 541 [2021-07-10 05:42:15,496 WARN L205 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 680 DAG size of output: 566 [2021-07-10 05:42:16,967 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1012 DAG size of output: 839 [2021-07-10 05:42:19,252 WARN L205 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1099 [2021-07-10 05:42:23,971 WARN L205 SmtUtils]: Spent 4.71 s on a formula simplification. DAG size of input: 2226 DAG size of output: 1704 [2021-07-10 05:42:30,287 WARN L205 SmtUtils]: Spent 6.30 s on a formula simplification. DAG size of input: 3213 DAG size of output: 1793 [2021-07-10 05:42:38,281 WARN L205 SmtUtils]: Spent 7.98 s on a formula simplification. DAG size of input: 3741 DAG size of output: 2301 [2021-07-10 05:42:47,580 WARN L205 SmtUtils]: Spent 9.28 s on a formula simplification. DAG size of input: 4093 DAG size of output: 2511 [2021-07-10 05:42:48,824 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 739 DAG size of output: 1024 [2021-07-10 05:42:49,636 WARN L205 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 826 [2021-07-10 05:42:49,799 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 281 [2021-07-10 05:42:50,029 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 294 [2021-07-10 05:42:51,250 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2021-07-10 05:42:51,725 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 284 [2021-07-10 05:42:52,378 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-10 05:42:52,498 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-10 05:42:53,394 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2021-07-10 05:42:53,634 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-10 05:42:53,874 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-10 05:42:54,303 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 428 [2021-07-10 05:42:55,039 WARN L205 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 566 [2021-07-10 05:42:55,741 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2021-07-10 05:42:55,915 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2021-07-10 05:42:56,778 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 239 [2021-07-10 05:42:57,010 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 291 [2021-07-10 05:42:57,461 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 392 [2021-07-10 05:42:58,712 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 859 DAG size of output: 794 [2021-07-10 05:43:00,207 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1020 DAG size of output: 881 [2021-07-10 05:43:00,486 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 235 [2021-07-10 05:43:00,627 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 297 [2021-07-10 05:43:00,756 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 236 [2021-07-10 05:43:00,972 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 244 [2021-07-10 05:43:01,599 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-07-10 05:43:01,879 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 334 [2021-07-10 05:43:02,441 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 226 [2021-07-10 05:43:02,965 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 310 [2021-07-10 05:43:03,524 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-07-10 05:43:03,729 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 195 [2021-07-10 05:43:04,455 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 256 [2021-07-10 05:43:04,826 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 308 [2021-07-10 05:43:05,605 WARN L205 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 508 [2021-07-10 05:43:06,249 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 156 [2021-07-10 05:43:06,394 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-07-10 05:43:06,637 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 215 [2021-07-10 05:43:07,846 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 262 [2021-07-10 05:43:08,378 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 284 [2021-07-10 05:43:08,724 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 348 [2021-07-10 05:43:09,920 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 994 DAG size of output: 708 [2021-07-10 05:43:11,326 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1148 DAG size of output: 774 [2021-07-10 05:43:14,445 WARN L205 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 1747 DAG size of output: 1412 [2021-07-10 05:43:14,697 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 259 [2021-07-10 05:43:14,803 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 256 [2021-07-10 05:43:15,636 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 190 [2021-07-10 05:43:16,481 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 203 [2021-07-10 05:43:16,673 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 249 [2021-07-10 05:43:16,863 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 321 [2021-07-10 05:43:17,039 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 260 [2021-07-10 05:43:17,344 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 192 [2021-07-10 05:43:17,688 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 249 [2021-07-10 05:43:17,853 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 271 [2021-07-10 05:43:18,117 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 251 [2021-07-10 05:43:18,559 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 251 [2021-07-10 05:43:18,746 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 274 [2021-07-10 05:43:18,982 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 321 [2021-07-10 05:43:19,116 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 238 [2021-07-10 05:43:19,704 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 253 [2021-07-10 05:43:20,062 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-07-10 05:43:20,247 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 242 [2021-07-10 05:43:20,508 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 265 [2021-07-10 05:43:20,915 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 330 [2021-07-10 05:43:21,498 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 360 [2021-07-10 05:43:21,633 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 245 [2021-07-10 05:43:22,546 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 225 [2021-07-10 05:43:23,478 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 261 [2021-07-10 05:43:23,679 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-10 05:43:23,887 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-10 05:43:24,225 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 357 [2021-07-10 05:43:24,707 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 385 [2021-07-10 05:43:25,648 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 218 [2021-07-10 05:43:25,891 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 242 [2021-07-10 05:43:26,427 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 350 [2021-07-10 05:43:27,605 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1315 DAG size of output: 518 [2021-07-10 05:43:32,602 WARN L205 SmtUtils]: Spent 4.99 s on a formula simplification. DAG size of input: 2765 DAG size of output: 1722 [2021-07-10 05:43:38,432 WARN L205 SmtUtils]: Spent 5.82 s on a formula simplification. DAG size of input: 2888 DAG size of output: 1777 [2021-07-10 05:43:45,546 WARN L205 SmtUtils]: Spent 7.10 s on a formula simplification. DAG size of input: 3423 DAG size of output: 2286 [2021-07-10 05:43:54,147 WARN L205 SmtUtils]: Spent 8.59 s on a formula simplification. DAG size of input: 3768 DAG size of output: 2589 [2021-07-10 05:43:55,078 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 242 [2021-07-10 05:43:55,899 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 227 [2021-07-10 05:43:56,054 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-07-10 05:43:57,088 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2021-07-10 05:43:57,235 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 268 [2021-07-10 05:43:57,412 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 266 [2021-07-10 05:43:57,687 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 348 [2021-07-10 05:43:58,543 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 411 [2021-07-10 05:43:59,038 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 475 [2021-07-10 05:43:59,747 WARN L205 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 486 [2021-07-10 05:44:00,559 WARN L205 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 495 [2021-07-10 05:44:02,060 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 223 [2021-07-10 05:44:02,177 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 237 [2021-07-10 05:44:02,316 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 235 [2021-07-10 05:44:02,536 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 303 [2021-07-10 05:44:03,229 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 350 [2021-07-10 05:44:03,985 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 194 [2021-07-10 05:44:04,360 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 386 [2021-07-10 05:44:04,893 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 399 [2021-07-10 05:44:06,403 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1065 DAG size of output: 745 [2021-07-10 05:44:08,133 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1077 DAG size of output: 744 [2021-07-10 05:44:09,989 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 1098 DAG size of output: 750 [2021-07-10 05:44:21,624 WARN L205 SmtUtils]: Spent 11.62 s on a formula simplification. DAG size of input: 4707 DAG size of output: 3202 [2021-07-10 05:44:44,363 WARN L205 SmtUtils]: Spent 22.72 s on a formula simplification. DAG size of input: 6894 DAG size of output: 4324 [2021-07-10 05:45:10,830 WARN L205 SmtUtils]: Spent 26.43 s on a formula simplification. DAG size of input: 7322 DAG size of output: 4477 [2021-07-10 05:45:11,992 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 317 [2021-07-10 05:45:12,150 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 343 [2021-07-10 05:45:13,630 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 378 [2021-07-10 05:45:13,832 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 404 [2021-07-10 05:45:14,259 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 627 [2021-07-10 05:45:14,763 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 654 [2021-07-10 05:45:44,273 WARN L205 SmtUtils]: Spent 29.49 s on a formula simplification. DAG size of input: 8002 DAG size of output: 4954 [2021-07-10 05:46:17,829 WARN L205 SmtUtils]: Spent 33.52 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-10 05:46:50,941 WARN L205 SmtUtils]: Spent 33.08 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-10 05:47:27,360 WARN L205 SmtUtils]: Spent 36.39 s on a formula simplification. DAG size of input: 8440 DAG size of output: 5295 [2021-07-10 05:48:22,348 WARN L205 SmtUtils]: Spent 54.95 s on a formula simplification. DAG size of input: 5297 DAG size of output: 7538 [2021-07-10 05:49:17,483 WARN L205 SmtUtils]: Spent 55.09 s on a formula simplification. DAG size of input: 4323 DAG size of output: 6374 [2021-07-10 05:50:16,386 WARN L205 SmtUtils]: Spent 58.86 s on a formula simplification. DAG size of input: 3823 DAG size of output: 4222 [2021-07-10 05:50:24,204 WARN L205 SmtUtils]: Spent 7.80 s on a formula simplification. DAG size of input: 1942 DAG size of output: 1778 [2021-07-10 05:50:37,708 WARN L205 SmtUtils]: Spent 13.49 s on a formula simplification. DAG size of input: 1680 DAG size of output: 1578 [2021-07-10 05:50:37,973 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 1450 [2021-07-10 05:50:46,429 WARN L205 SmtUtils]: Spent 8.45 s on a formula simplification. DAG size of input: 1347 DAG size of output: 1954 [2021-07-10 05:50:46,941 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 1150 DAG size of output: 1150 [2021-07-10 05:50:47,313 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 1034 [2021-07-10 05:50:52,312 WARN L205 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 981 DAG size of output: 1395 [2021-07-10 05:50:52,423 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 872 [2021-07-10 05:50:52,529 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 595 [2021-07-10 05:50:53,613 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 272 [2021-07-10 05:50:54,053 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 331 [2021-07-10 05:50:54,346 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 377 [2021-07-10 05:50:55,408 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 472 [2021-07-10 05:50:55,524 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2021-07-10 05:50:55,999 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 187 [2021-07-10 05:50:56,355 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 266 [2021-07-10 05:50:57,431 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 289 [2021-07-10 05:50:57,686 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 337 [2021-07-10 05:50:58,050 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 399 [2021-07-10 05:50:58,529 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 473 [2021-07-10 05:50:59,602 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1245 DAG size of output: 754 [2021-07-10 05:50:59,810 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 778 [2021-07-10 05:51:01,076 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 244 [2021-07-10 05:51:01,234 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 279 [2021-07-10 05:51:01,734 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 355 [2021-07-10 05:51:02,080 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 427 [2021-07-10 05:51:03,794 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 216 [2021-07-10 05:51:04,226 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 294 [2021-07-10 05:51:04,485 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 361 [2021-07-10 05:51:04,855 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 434 [2021-07-10 05:51:05,704 WARN L205 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 614 [2021-07-10 05:51:07,851 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 1979 DAG size of output: 1146 [2021-07-10 05:51:10,446 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 2136 DAG size of output: 1241 [2021-07-10 05:51:13,503 WARN L205 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 2252 DAG size of output: 1326 [2021-07-10 05:51:18,714 WARN L205 SmtUtils]: Spent 5.20 s on a formula simplification. DAG size of input: 3080 DAG size of output: 1978 [2021-07-10 05:51:19,097 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 294 [2021-07-10 05:51:19,298 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 228 [2021-07-10 05:51:20,625 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 227 [2021-07-10 05:51:20,867 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 301 [2021-07-10 05:51:21,218 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 370 [2021-07-10 05:51:26,955 WARN L205 SmtUtils]: Spent 5.73 s on a formula simplification. DAG size of input: 3478 DAG size of output: 2225 [2021-07-10 05:51:27,542 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 431 [2021-07-10 05:51:28,258 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 243 [2021-07-10 05:51:28,405 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 237 [2021-07-10 05:51:28,627 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 247 [2021-07-10 05:51:28,735 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 217 [2021-07-10 05:51:29,442 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 241 [2021-07-10 05:51:29,593 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 266 [2021-07-10 05:51:30,372 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 310 [2021-07-10 05:51:30,574 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 316 [2021-07-10 05:51:30,917 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 411 [2021-07-10 05:51:31,543 WARN L205 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 543 [2021-07-10 05:51:32,355 WARN L205 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 604 [2021-07-10 05:51:39,709 WARN L205 SmtUtils]: Spent 7.35 s on a formula simplification. DAG size of input: 4146 DAG size of output: 2641 [2021-07-10 05:51:48,138 WARN L205 SmtUtils]: Spent 8.41 s on a formula simplification. DAG size of input: 4264 DAG size of output: 2757 [2021-07-10 05:52:05,369 WARN L205 SmtUtils]: Spent 17.20 s on a formula simplification. DAG size of input: 6395 DAG size of output: 4339 [2021-07-10 05:52:30,885 WARN L205 SmtUtils]: Spent 25.47 s on a formula simplification. DAG size of input: 4239 DAG size of output: 3919 [2021-07-10 05:53:40,940 WARN L205 SmtUtils]: Spent 1.17 m on a formula simplification. DAG size of input: 3721 DAG size of output: 4036 [2021-07-10 05:53:58,657 WARN L205 SmtUtils]: Spent 17.69 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1732 [2021-07-10 05:53:59,070 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 306 [2021-07-10 05:53:59,291 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 236 [2021-07-10 05:54:00,388 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 278 [2021-07-10 05:54:00,632 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 322 [2021-07-10 05:54:00,771 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 201 [2021-07-10 05:54:01,576 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 254 [2021-07-10 05:54:01,788 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 271 [2021-07-10 05:54:02,071 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 290 [2021-07-10 05:54:02,862 WARN L205 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 477 [2021-07-10 05:54:03,551 WARN L205 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 1605 DAG size of output: 1605 [2021-07-10 05:54:20,281 WARN L205 SmtUtils]: Spent 16.72 s on a formula simplification. DAG size of input: 1500 DAG size of output: 2098 [2021-07-10 05:54:27,376 WARN L205 SmtUtils]: Spent 7.08 s on a formula simplification. DAG size of input: 1251 DAG size of output: 1697 [2021-07-10 05:54:32,029 WARN L205 SmtUtils]: Spent 4.64 s on a formula simplification. DAG size of input: 1076 DAG size of output: 1519 [2021-07-10 05:54:32,319 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 1018 DAG size of output: 1018 [2021-07-10 05:54:32,576 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 907 DAG size of output: 907 [2021-07-10 05:54:32,808 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 867 [2021-07-10 05:54:32,922 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 590 [2021-07-10 05:54:33,966 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 223 [2021-07-10 05:54:34,201 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 267 [2021-07-10 05:54:34,459 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 332 [2021-07-10 05:54:34,578 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 562 [2021-07-10 05:54:35,321 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 219 [2021-07-10 05:54:35,582 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 266 [2021-07-10 05:54:35,800 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 321 [2021-07-10 05:54:36,329 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 855 DAG size of output: 444 [2021-07-10 05:54:37,057 WARN L205 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 484 [2021-07-10 05:54:37,876 WARN L205 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 1002 DAG size of output: 563 [2021-07-10 05:54:38,124 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 1043 DAG size of output: 1043 [2021-07-10 05:54:38,354 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 927 DAG size of output: 927 [2021-07-10 05:54:38,710 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 880 [2021-07-10 05:54:39,686 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 262 [2021-07-10 05:54:39,871 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 298 [2021-07-10 05:54:40,119 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 342 [2021-07-10 05:54:41,457 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 247 [2021-07-10 05:54:41,643 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 281 [2021-07-10 05:54:41,917 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 352 [2021-07-10 05:54:42,483 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 494 [2021-07-10 05:54:43,217 WARN L205 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 1019 DAG size of output: 574 [2021-07-10 05:54:44,155 WARN L205 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 1133 DAG size of output: 659 [2021-07-10 05:54:46,097 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 1647 DAG size of output: 921 [2021-07-10 05:54:46,413 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 913 [2021-07-10 05:54:46,776 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 851 [2021-07-10 05:54:46,921 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 611 [2021-07-10 05:54:47,482 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 441 [2021-07-10 05:54:48,108 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 265 [2021-07-10 05:54:48,806 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 212 [2021-07-10 05:54:49,009 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 228 [2021-07-10 05:54:49,253 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 285 [2021-07-10 05:54:49,575 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 336 [2021-07-10 05:54:50,025 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 677 DAG size of output: 408 [2021-07-10 05:54:50,163 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 564 [2021-07-10 05:54:50,546 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 489 [2021-07-10 05:54:50,957 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 208 [2021-07-10 05:54:51,734 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 234 [2021-07-10 05:54:51,958 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 269 [2021-07-10 05:54:52,210 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 301 [2021-07-10 05:54:52,515 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 360 [2021-07-10 05:54:52,928 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 438 Received shutdown request... [2021-07-10 05:54:53,896 WARN L205 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 1022 DAG size of output: 593 [2021-07-10 05:54:55,065 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 1129 DAG size of output: 652 [2021-07-10 05:54:58,639 WARN L205 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 2503 DAG size of output: 1315 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown