/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 21:11:47,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 21:11:47,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 21:11:47,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 21:11:47,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 21:11:47,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 21:11:47,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 21:11:47,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 21:11:47,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 21:11:47,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 21:11:47,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 21:11:47,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 21:11:47,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 21:11:47,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 21:11:47,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 21:11:47,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 21:11:47,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-14 21:11:47,761 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf [2021-07-14 21:11:47,797 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 21:11:47,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 21:11:47,798 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 21:11:47,798 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 21:11:47,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 21:11:47,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 21:11:47,800 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 21:11:47,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 21:11:47,801 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 21:11:47,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 21:11:47,802 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 21:11:47,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 21:11:47,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 21:11:47,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 21:11:47,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 21:11:47,803 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 21:11:47,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 21:11:47,803 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 21:11:47,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 21:11:47,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 21:11:47,804 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 21:11:47,804 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 21:11:47,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 21:11:47,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 21:11:47,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 21:11:47,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 21:11:47,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 21:11:47,805 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 21:11:47,805 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 21:11:47,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 21:11:47,805 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 21:11:47,806 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 21:11:47,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 21:11:47,806 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 21:11:47,806 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 21:11:47,806 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 21:11:48,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 21:11:48,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 21:11:48,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 21:11:48,148 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 21:11:48,150 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 21:11:48,150 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl [2021-07-14 21:11:48,151 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl' [2021-07-14 21:11:48,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 21:11:48,176 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 21:11:48,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 21:11:48,178 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 21:11:48,178 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 21:11:48,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:11:48" (1/1) ... [2021-07-14 21:11:48,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:11:48" (1/1) ... [2021-07-14 21:11:48,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 21:11:48,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 21:11:48,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 21:11:48,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 21:11:48,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:11:48" (1/1) ... [2021-07-14 21:11:48,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:11:48" (1/1) ... [2021-07-14 21:11:48,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:11:48" (1/1) ... [2021-07-14 21:11:48,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:11:48" (1/1) ... [2021-07-14 21:11:48,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:11:48" (1/1) ... [2021-07-14 21:11:48,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:11:48" (1/1) ... [2021-07-14 21:11:48,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:11:48" (1/1) ... [2021-07-14 21:11:48,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 21:11:48,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 21:11:48,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 21:11:48,239 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 21:11:48,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:11:48" (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 [2021-07-14 21:11:48,295 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 21:11:48,295 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 21:11:48,295 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 21:11:48,296 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 21:11:48,296 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 21:11:48,296 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 21:11:48,296 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 21:11:48,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 21:11:48,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 21:11:48,296 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 21:11:48,296 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 21:11:48,297 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 21:11:48,297 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 21:11:48,555 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 21:11:48,556 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 21:11:48,557 INFO L202 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 09:11:48 BoogieIcfgContainer [2021-07-14 21:11:48,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 21:11:48,559 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 21:11:48,559 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 21:11:48,562 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 21:11:48,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:11:48" (1/2) ... [2021-07-14 21:11:48,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d04f71 and model type prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 09:11:48, skipping insertion in model container [2021-07-14 21:11:48,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 09:11:48" (2/2) ... [2021-07-14 21:11:48,564 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons-eq.wvr.bpl [2021-07-14 21:11:48,568 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 21:11:48,569 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 21:11:48,569 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 21:11:48,569 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 21:11:48,603 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 21:11:48,639 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 21:11:48,698 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 21:11:48,698 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 21:11:48,698 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 21:11:48,698 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 21:11:48,699 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 21:11:48,699 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 21:11:48,699 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 21:11:48,699 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 21:11:48,824 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:11:48,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:11:48,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1383980916, now seen corresponding path program 1 times [2021-07-14 21:11:48,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:11:48,836 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115234202] [2021-07-14 21:11:48,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:11:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:11:48,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:11:48,977 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:11:48,977 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115234202] [2021-07-14 21:11:48,979 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115234202] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 21:11:48,979 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 21:11:48,979 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 21:11:48,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548662604] [2021-07-14 21:11:48,985 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 21:11:48,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:11:49,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 21:11:49,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 21:11:49,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:11:49,005 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:11:49,006 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 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) [2021-07-14 21:11:49,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:11:49,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:49,071 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 21:11:49,071 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:11:49,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:11:49,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1192021771, now seen corresponding path program 1 times [2021-07-14 21:11:49,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:11:49,072 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351767943] [2021-07-14 21:11:49,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:11:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:11:49,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 21:11:49,092 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:11:49,092 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351767943] [2021-07-14 21:11:49,092 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351767943] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 21:11:49,092 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 21:11:49,093 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 21:11:49,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495715459] [2021-07-14 21:11:49,094 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 21:11:49,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:11:49,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 21:11:49,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 21:11:49,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:11:49,095 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:11:49,095 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 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) [2021-07-14 21:11:49,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:49,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:11:49,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:49,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:49,120 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 21:11:49,120 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:11:49,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:11:49,120 INFO L82 PathProgramCache]: Analyzing trace with hash -76198216, now seen corresponding path program 1 times [2021-07-14 21:11:49,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:11:49,121 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732872843] [2021-07-14 21:11:49,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:11:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:11:49,287 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:11:49,288 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:11:49,289 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732872843] [2021-07-14 21:11:49,289 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732872843] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:11:49,289 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653495463] [2021-07-14 21:11:49,289 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 [2021-07-14 21:11:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:11:49,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 21:11:49,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:11:49,450 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 17 treesize of output 13 [2021-07-14 21:11:49,452 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:11:49,455 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:11:49,455 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:11:49,456 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2021-07-14 21:11:49,473 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 19 treesize of output 15 [2021-07-14 21:11:49,479 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 21:11:49,483 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:11:49,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15 treesize of output 7 [2021-07-14 21:11:49,487 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 21:11:49,489 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:11:49,490 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:11:49,490 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:19, output treesize:3 [2021-07-14 21:11:49,513 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:11:49,513 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653495463] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:11:49,513 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:11:49,513 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-07-14 21:11:49,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807976555] [2021-07-14 21:11:49,514 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 21:11:49,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:11:49,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 21:11:49,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-07-14 21:11:49,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:11:49,515 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:11:49,515 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 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) [2021-07-14 21:11:49,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:49,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:49,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:11:49,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:49,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:49,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:11:49,792 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:11:49,793 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:11:49,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:11:49,794 INFO L82 PathProgramCache]: Analyzing trace with hash -637826858, now seen corresponding path program 2 times [2021-07-14 21:11:49,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:11:49,794 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232706746] [2021-07-14 21:11:49,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:11:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:11:49,953 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:11:49,954 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:11:49,954 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232706746] [2021-07-14 21:11:49,955 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232706746] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:11:49,955 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424388371] [2021-07-14 21:11:49,955 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 [2021-07-14 21:11:50,005 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 21:11:50,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:11:50,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 21:11:50,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:11:50,118 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 21:11:50,119 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424388371] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 21:11:50,119 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 21:11:50,119 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 11 [2021-07-14 21:11:50,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524842942] [2021-07-14 21:11:50,120 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 21:11:50,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:11:50,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 21:11:50,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-07-14 21:11:50,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:11:50,121 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:11:50,121 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:11:50,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:50,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:50,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:11:50,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:11:50,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:50,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:50,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:11:50,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:11:50,396 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:11:50,397 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:11:50,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:11:50,398 INFO L82 PathProgramCache]: Analyzing trace with hash 297140057, now seen corresponding path program 3 times [2021-07-14 21:11:50,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:11:50,398 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509681089] [2021-07-14 21:11:50,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:11:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:11:50,468 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:11:50,469 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:11:50,469 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509681089] [2021-07-14 21:11:50,469 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509681089] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:11:50,470 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333920192] [2021-07-14 21:11:50,470 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:11:50,510 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 21:11:50,510 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:11:50,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 21:11:50,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:11:50,568 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 [2021-07-14 21:11:50,569 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:11:50,571 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:11:50,571 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:11:50,572 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 21:11:50,597 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:11:50,598 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333920192] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:11:50,598 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:11:50,598 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-14 21:11:50,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519762135] [2021-07-14 21:11:50,598 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 21:11:50,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:11:50,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 21:11:50,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-07-14 21:11:50,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:11:50,601 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:11:50,602 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 8 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) [2021-07-14 21:11:50,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:50,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:50,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:11:50,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:11:50,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:11:50,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:50,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:50,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:11:50,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:11:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 21:11:51,116 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:11:51,117 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:11:51,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:11:51,118 INFO L82 PathProgramCache]: Analyzing trace with hash -799223045, now seen corresponding path program 4 times [2021-07-14 21:11:51,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:11:51,118 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414166663] [2021-07-14 21:11:51,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:11:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:11:51,207 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:11:51,207 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:11:51,207 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414166663] [2021-07-14 21:11:51,208 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414166663] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:11:51,208 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067896121] [2021-07-14 21:11:51,208 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:11:51,254 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 21:11:51,254 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:11:51,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 21:11:51,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:11:51,317 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 12 treesize of output 8 [2021-07-14 21:11:51,321 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:11:51,322 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:11:51,323 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:11:51,323 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:4 [2021-07-14 21:11:51,339 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:11:51,340 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067896121] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:11:51,341 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:11:51,341 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9 [2021-07-14 21:11:51,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974956355] [2021-07-14 21:11:51,342 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 21:11:51,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:11:51,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 21:11:51,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-07-14 21:11:51,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:11:51,344 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:11:51,344 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 9 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) [2021-07-14 21:11:51,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:51,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:51,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:11:51,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:11:51,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 21:11:51,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:11:51,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:51,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:51,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:11:51,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:11:51,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 21:11:51,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 21:11:51,845 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-14 21:11:51,845 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:11:51,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:11:51,846 INFO L82 PathProgramCache]: Analyzing trace with hash -332659364, now seen corresponding path program 5 times [2021-07-14 21:11:51,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:11:51,846 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812109002] [2021-07-14 21:11:51,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:11:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:11:52,076 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:11:52,077 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:11:52,077 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812109002] [2021-07-14 21:11:52,079 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812109002] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:11:52,079 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43186622] [2021-07-14 21:11:52,080 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:11:52,129 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 21:11:52,130 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:11:52,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-14 21:11:52,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:11:52,224 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 23 treesize of output 19 [2021-07-14 21:11:52,226 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:11:52,231 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:11:52,239 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 21:11:52,239 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:36, output treesize:29 [2021-07-14 21:11:52,391 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:11:52,392 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 32 [2021-07-14 21:11:52,394 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:11:52,401 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:11:52,405 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 21:11:52,406 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:43, output treesize:29 [2021-07-14 21:11:52,766 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 21:11:52,766 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 23 [2021-07-14 21:11:52,771 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-07-14 21:11:52,791 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:11:52,799 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:11:52,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 22 [2021-07-14 21:11:52,803 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 21:11:52,818 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:11:52,819 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:11:52,819 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:35, output treesize:3 [2021-07-14 21:11:52,831 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:11:52,831 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [43186622] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:11:52,831 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:11:52,831 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 15 [2021-07-14 21:11:52,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248600681] [2021-07-14 21:11:52,832 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 21:11:52,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:11:52,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 21:11:52,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=202, Unknown=1, NotChecked=0, Total=240 [2021-07-14 21:11:52,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:11:52,833 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:11:52,833 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 15 states have internal predecessors, (47), 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) [2021-07-14 21:11:52,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:52,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:52,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:11:52,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:11:52,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 21:11:52,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 21:11:52,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:11:55,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:55,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:55,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:11:55,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:11:55,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 21:11:55,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 21:11:55,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 21:11:55,751 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:11:55,752 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:11:55,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:11:55,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1282790659, now seen corresponding path program 6 times [2021-07-14 21:11:55,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:11:55,753 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592983359] [2021-07-14 21:11:55,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:11:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:11:55,860 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:11:55,861 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:11:55,861 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592983359] [2021-07-14 21:11:55,861 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592983359] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:11:55,861 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463812440] [2021-07-14 21:11:55,861 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:11:55,913 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 21:11:55,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:11:55,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-14 21:11:55,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:11:56,027 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:11:56,027 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 [2021-07-14 21:11:56,030 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:11:56,032 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:11:56,032 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:11:56,032 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2021-07-14 21:11:56,056 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:11:56,057 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463812440] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:11:56,057 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:11:56,057 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 12 [2021-07-14 21:11:56,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410208971] [2021-07-14 21:11:56,057 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 21:11:56,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:11:56,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 21:11:56,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-07-14 21:11:56,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:11:56,058 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:11:56,058 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 12 states have internal predecessors, (52), 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) [2021-07-14 21:11:56,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:56,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:56,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:11:56,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:11:56,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 21:11:56,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 21:11:56,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 21:11:56,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:11:56,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:56,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:56,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:11:56,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:11:56,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 21:11:56,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 21:11:56,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 21:11:56,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:11:56,682 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:11:56,683 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:11:56,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:11:56,683 INFO L82 PathProgramCache]: Analyzing trace with hash -1255170536, now seen corresponding path program 7 times [2021-07-14 21:11:56,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:11:56,683 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318290624] [2021-07-14 21:11:56,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:11:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:11:56,727 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 21:11:56,727 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:11:56,727 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318290624] [2021-07-14 21:11:56,727 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318290624] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 21:11:56,727 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 21:11:56,727 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 21:11:56,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653336319] [2021-07-14 21:11:56,728 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 21:11:56,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:11:56,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 21:11:56,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-14 21:11:56,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:11:56,728 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:11:56,728 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 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) [2021-07-14 21:11:56,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:56,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:56,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:11:56,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:11:56,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 21:11:56,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 21:11:56,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 21:11:56,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:11:56,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:11:56,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:56,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:56,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:11:56,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:11:56,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 21:11:56,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 21:11:56,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 21:11:56,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 21:11:56,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:11:56,875 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-07-14 21:11:56,875 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:11:56,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:11:56,875 INFO L82 PathProgramCache]: Analyzing trace with hash -262581793, now seen corresponding path program 8 times [2021-07-14 21:11:56,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:11:56,875 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655310040] [2021-07-14 21:11:56,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:11:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:11:56,994 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:11:56,994 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:11:56,994 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655310040] [2021-07-14 21:11:56,995 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655310040] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:11:56,995 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509721662] [2021-07-14 21:11:56,995 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 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 [2021-07-14 21:11:57,031 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 21:11:57,032 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:11:57,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-14 21:11:57,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:11:57,177 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:11:57,177 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 16 treesize of output 19 [2021-07-14 21:11:57,180 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:11:57,181 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:11:57,181 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:11:57,182 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2021-07-14 21:11:57,196 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:11:57,197 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509721662] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:11:57,197 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:11:57,197 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 13 [2021-07-14 21:11:57,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207446106] [2021-07-14 21:11:57,197 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 21:11:57,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:11:57,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 21:11:57,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-07-14 21:11:57,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:11:57,198 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:11:57,198 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 13 states have internal predecessors, (55), 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) [2021-07-14 21:11:57,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:57,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:57,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:11:57,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:11:57,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 21:11:57,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 21:11:57,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 21:11:57,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 21:11:57,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:11:57,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:11:57,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:57,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:11:57,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:11:57,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:11:57,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 21:11:57,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 21:11:57,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 21:11:57,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 21:11:57,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:11:57,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 21:11:58,036 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-07-14 21:11:58,037 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:11:58,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:11:58,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1923167936, now seen corresponding path program 9 times [2021-07-14 21:11:58,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:11:58,038 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749349364] [2021-07-14 21:11:58,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:11:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:11:58,373 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:11:58,373 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:11:58,374 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749349364] [2021-07-14 21:11:58,374 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749349364] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:11:58,374 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697734534] [2021-07-14 21:11:58,374 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 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 [2021-07-14 21:11:58,412 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 21:11:58,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:11:58,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 48 conjunts are in the unsatisfiable core [2021-07-14 21:11:58,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:11:58,707 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:11:58,707 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 47 treesize of output 46 [2021-07-14 21:11:58,720 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 21:11:58,733 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:11:58,756 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-07-14 21:11:58,757 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:70, output treesize:63 [2021-07-14 21:11:59,339 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:11:59,339 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 46 [2021-07-14 21:11:59,341 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:11:59,360 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:11:59,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 54 [2021-07-14 21:11:59,364 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 21:11:59,402 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:11:59,426 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2021-07-14 21:11:59,427 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:163, output treesize:128 [2021-07-14 21:11:59,606 INFO L354 Elim1Store]: treesize reduction 89, result has 31.0 percent of original size [2021-07-14 21:11:59,607 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 5 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 70 [2021-07-14 21:11:59,784 INFO L550 ElimStorePlain]: Start of recursive call 2: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-07-14 21:11:59,804 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:11:59,857 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:11:59,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 31 treesize of output 132 [2021-07-14 21:12:00,424 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 3 xjuncts. [2021-07-14 21:12:00,445 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:12:00,469 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-07-14 21:12:00,469 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:65, output treesize:19 [2021-07-14 21:12:00,524 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:12:00,524 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697734534] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:12:00,524 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:12:00,524 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 24 [2021-07-14 21:12:00,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290145355] [2021-07-14 21:12:00,526 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 21:12:00,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:12:00,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 21:12:00,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2021-07-14 21:12:00,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:12:00,526 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:12:00,527 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.56) internal successors, (64), 24 states have internal predecessors, (64), 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) [2021-07-14 21:12:00,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:12:00,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:12:00,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:12:00,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:12:00,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 21:12:00,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 21:12:00,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 21:12:00,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 21:12:00,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:12:00,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 21:12:00,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:12:01,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:12:01,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:12:01,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:12:01,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:12:01,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 21:12:01,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 21:12:01,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 21:12:01,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 21:12:01,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:12:01,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 21:12:01,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:12:01,959 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:12:01,959 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:12:01,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:12:01,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1553239071, now seen corresponding path program 10 times [2021-07-14 21:12:01,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:12:01,960 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685680895] [2021-07-14 21:12:01,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:12:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:12:02,059 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 20 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:12:02,060 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:12:02,060 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685680895] [2021-07-14 21:12:02,060 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685680895] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:12:02,060 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360362691] [2021-07-14 21:12:02,060 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 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 [2021-07-14 21:12:02,119 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 21:12:02,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:12:02,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 21:12:02,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:12:02,317 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:12:02,318 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 [2021-07-14 21:12:02,325 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:12:02,327 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:12:02,327 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:12:02,328 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:3 [2021-07-14 21:12:02,346 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 20 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:12:02,347 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360362691] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:12:02,347 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:12:02,347 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 15 [2021-07-14 21:12:02,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440569740] [2021-07-14 21:12:02,347 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 21:12:02,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:12:02,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 21:12:02,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2021-07-14 21:12:02,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:12:02,348 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:12:02,348 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 4.25) internal successors, (68), 15 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:12:02,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:12:02,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:12:02,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:12:02,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:12:02,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 21:12:02,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 21:12:02,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 21:12:02,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 21:12:02,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:12:02,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 21:12:02,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:12:02,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:12:03,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:12:03,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:12:03,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:12:03,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:12:03,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 21:12:03,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 21:12:03,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 21:12:03,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:12:03,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:12:03,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 21:12:03,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 21:12:03,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:12:03,380 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable258,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:12:03,381 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:12:03,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:12:03,381 INFO L82 PathProgramCache]: Analyzing trace with hash 325357059, now seen corresponding path program 11 times [2021-07-14 21:12:03,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:12:03,382 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962304856] [2021-07-14 21:12:03,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:12:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:12:03,491 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:12:03,491 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:12:03,491 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962304856] [2021-07-14 21:12:03,492 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962304856] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:12:03,492 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024835687] [2021-07-14 21:12:03,492 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 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 [2021-07-14 21:12:03,561 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 21:12:03,562 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:12:03,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 21:12:03,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:12:03,751 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:12:03,751 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 20 treesize of output 38 [2021-07-14 21:12:03,759 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:12:03,761 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:12:03,761 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:12:03,762 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:4 [2021-07-14 21:12:03,775 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:12:03,775 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1024835687] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:12:03,775 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:12:03,776 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 16 [2021-07-14 21:12:03,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409261935] [2021-07-14 21:12:03,776 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 21:12:03,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:12:03,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 21:12:03,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2021-07-14 21:12:03,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:12:03,777 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:12:03,777 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.0) internal successors, (68), 16 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:12:03,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:12:03,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:12:03,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:12:03,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:12:03,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 21:12:03,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 21:12:03,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 21:12:03,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:12:03,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:12:03,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 21:12:03,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 21:12:03,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:12:03,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:12:04,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:12:04,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:12:04,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:12:04,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:12:04,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 21:12:04,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 21:12:04,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 21:12:04,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:12:04,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:12:04,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 21:12:04,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 21:12:04,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:12:04,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:12:04,732 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable262,12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:12:04,734 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:12:04,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:12:04,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1651333732, now seen corresponding path program 12 times [2021-07-14 21:12:04,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:12:04,734 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681472058] [2021-07-14 21:12:04,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:12:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:12:05,190 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:12:05,190 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:12:05,190 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681472058] [2021-07-14 21:12:05,190 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681472058] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:12:05,190 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216234224] [2021-07-14 21:12:05,190 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 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 [2021-07-14 21:12:05,229 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 21:12:05,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:12:05,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 64 conjunts are in the unsatisfiable core [2021-07-14 21:12:05,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:12:07,913 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:12:07,914 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 75 treesize of output 81 [2021-07-14 21:12:08,030 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-07-14 21:12:08,056 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:12:08,193 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-07-14 21:12:08,193 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:113, output treesize:110 [2021-07-14 21:12:09,216 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2021-07-14 21:12:09,823 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:12:09,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 59 [2021-07-14 21:12:09,825 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:12:09,840 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:12:09,840 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 59 [2021-07-14 21:12:09,842 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 21:12:09,869 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:12:09,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 75 [2021-07-14 21:12:09,873 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 21:12:10,021 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 134 [2021-07-14 21:12:10,022 INFO L628 ElimStorePlain]: treesize reduction 9, result has 97.7 percent of original size [2021-07-14 21:12:10,064 INFO L550 ElimStorePlain]: Start of recursive call 1: 16 dim-0 vars, 1 dim-1 vars, End of recursive call: 9 dim-0 vars, and 3 xjuncts. [2021-07-14 21:12:10,064 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 17 variables, input treesize:351, output treesize:277 [2021-07-14 21:12:10,387 INFO L354 Elim1Store]: treesize reduction 192, result has 29.2 percent of original size [2021-07-14 21:12:10,387 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 7 new quantified variables, introduced 21 case distinctions, treesize of input 74 treesize of output 117 [2021-07-14 21:12:12,625 INFO L550 ElimStorePlain]: Start of recursive call 2: 7 dim-0 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2021-07-14 21:12:12,700 INFO L628 ElimStorePlain]: treesize reduction 3, result has 97.2 percent of original size [2021-07-14 21:12:12,863 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2021-07-14 21:12:12,864 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:12:12,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 39 treesize of output 270 [2021-07-14 21:12:13,148 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2021-07-14 21:12:13,496 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 135 [2021-07-14 21:12:14,001 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 184 [2021-07-14 21:12:14,288 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 105 [2021-07-14 21:12:14,718 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 122 [2021-07-14 21:12:15,074 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 187 [2021-07-14 21:12:15,955 WARN L205 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 245 [2021-07-14 21:12:18,685 WARN L205 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 288 DAG size of output: 352 [2021-07-14 21:12:21,405 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 288 DAG size of output: 352 [2021-07-14 21:12:24,401 WARN L205 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 302 DAG size of output: 366 [2021-07-14 21:12:24,584 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 367 [2021-07-14 21:12:25,583 WARN L205 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 389 [2021-07-14 21:12:26,899 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 256 DAG size of output: 373 [2021-07-14 21:12:28,207 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 253 DAG size of output: 385 [2021-07-14 21:12:29,241 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 212 [2021-07-14 21:12:29,771 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 166 [2021-07-14 21:12:30,023 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 104 [2021-07-14 21:12:30,346 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 185 [2021-07-14 21:12:31,096 WARN L205 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 320 [2021-07-14 21:12:31,822 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 155 [2021-07-14 21:12:32,211 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 179 [2021-07-14 21:12:33,153 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 239 [2021-07-14 21:12:33,779 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 376 [2021-07-14 21:12:35,329 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 654 DAG size of output: 610 [2021-07-14 21:12:35,910 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 162 [2021-07-14 21:12:36,788 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 205 [2021-07-14 21:12:37,298 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 329 [2021-07-14 21:12:38,103 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 172 [2021-07-14 21:12:38,871 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 182 [2021-07-14 21:12:39,464 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 294 [2021-07-14 21:12:40,906 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 653 DAG size of output: 566 [2021-07-14 21:12:44,578 WARN L205 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 903 DAG size of output: 912 [2021-07-14 21:12:45,875 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 250 DAG size of output: 382 [2021-07-14 21:12:46,989 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 247 DAG size of output: 358 [2021-07-14 21:12:48,680 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 238 [2021-07-14 21:12:49,307 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 164 [2021-07-14 21:12:50,008 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 260 [2021-07-14 21:12:50,987 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 181 [2021-07-14 21:12:51,410 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 146 [2021-07-14 21:12:51,695 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 161 [2021-07-14 21:12:52,323 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 278 [2021-07-14 21:12:53,332 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 623 DAG size of output: 501 [2021-07-14 21:12:55,421 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 859 DAG size of output: 803 [2021-07-14 21:13:02,312 WARN L205 SmtUtils]: Spent 6.89 s on a formula simplification. DAG size of input: 1422 DAG size of output: 1400 [2021-07-14 21:13:10,823 WARN L205 SmtUtils]: Spent 8.50 s on a formula simplification. DAG size of input: 1577 DAG size of output: 1558 [2021-07-14 21:13:10,973 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 261 [2021-07-14 21:13:11,371 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 300 [2021-07-14 21:13:12,027 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 289 [2021-07-14 21:13:12,569 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 272 [2021-07-14 21:13:12,991 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 269 [2021-07-14 21:13:13,613 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 194 [2021-07-14 21:13:14,223 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 164 [2021-07-14 21:13:14,945 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 295 [2021-07-14 21:13:15,677 WARN L205 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 574 DAG size of output: 492 [2021-07-14 21:13:16,206 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 275 [2021-07-14 21:13:16,797 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 162 [2021-07-14 21:13:17,569 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 205 [2021-07-14 21:13:18,116 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 362 [2021-07-14 21:13:18,681 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 155 [2021-07-14 21:13:19,041 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 179 [2021-07-14 21:13:19,847 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 239 [2021-07-14 21:13:20,495 WARN L205 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 411 [2021-07-14 21:13:22,057 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 594 DAG size of output: 576 [2021-07-14 21:13:25,024 WARN L205 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 974 DAG size of output: 918 [2021-07-14 21:13:28,625 WARN L205 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 1087 DAG size of output: 1026 [2021-07-14 21:13:28,912 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 139 [2021-07-14 21:13:29,259 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 156 [2021-07-14 21:13:29,554 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 232 [2021-07-14 21:13:29,950 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 259 [2021-07-14 21:13:30,469 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 251 [2021-07-14 21:13:31,340 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 212 [2021-07-14 21:13:31,892 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 166 [2021-07-14 21:13:32,313 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 185 [2021-07-14 21:13:32,999 WARN L205 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 364 [2021-07-14 21:13:33,709 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 172 [2021-07-14 21:13:34,429 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 182 [2021-07-14 21:13:35,169 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 336 [2021-07-14 21:13:36,863 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 522 DAG size of output: 520 [2021-07-14 21:13:39,035 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 614 DAG size of output: 611 [2021-07-14 21:13:46,157 WARN L205 SmtUtils]: Spent 7.12 s on a formula simplification. DAG size of input: 1571 DAG size of output: 1587 [2021-07-14 21:13:46,474 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 184 [2021-07-14 21:13:46,774 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 182 [2021-07-14 21:13:47,156 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 136 [2021-07-14 21:13:47,701 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 160 [2021-07-14 21:13:48,118 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2021-07-14 21:13:48,703 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 174 [2021-07-14 21:13:49,376 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 154 [2021-07-14 21:13:49,849 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 270 [2021-07-14 21:13:51,000 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 362 DAG size of output: 383 [2021-07-14 21:13:52,499 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 416 DAG size of output: 441 [2021-07-14 21:13:52,721 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 207 [2021-07-14 21:13:53,089 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 211 [2021-07-14 21:13:53,259 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 126 [2021-07-14 21:13:53,722 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 159 [2021-07-14 21:13:54,258 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 127 [2021-07-14 21:13:54,639 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 242 [2021-07-14 21:13:55,556 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 229 [2021-07-14 21:13:56,395 WARN L205 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 452 [2021-07-14 21:13:57,393 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 218 [2021-07-14 21:13:57,824 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 225 [2021-07-14 21:13:58,356 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 203 [2021-07-14 21:13:58,786 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 253 [2021-07-14 21:13:59,799 WARN L205 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 466 [2021-07-14 21:14:01,898 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 684 DAG size of output: 752 [2021-07-14 21:14:04,532 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 741 DAG size of output: 798 [2021-07-14 21:14:04,825 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 122 [2021-07-14 21:14:05,062 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 129 [2021-07-14 21:14:05,297 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 188 [2021-07-14 21:14:10,314 WARN L205 SmtUtils]: Spent 5.01 s on a formula simplification. DAG size of input: 1075 DAG size of output: 1194 [2021-07-14 21:14:33,309 WARN L205 SmtUtils]: Spent 22.99 s on a formula simplification. DAG size of input: 2602 DAG size of output: 2891 [2021-07-14 21:14:56,104 WARN L205 SmtUtils]: Spent 22.78 s on a formula simplification. DAG size of input: 2602 DAG size of output: 2891 [2021-07-14 21:15:21,095 WARN L205 SmtUtils]: Spent 24.98 s on a formula simplification. DAG size of input: 2619 DAG size of output: 2908 [2021-07-14 21:15:50,770 WARN L205 SmtUtils]: Spent 29.65 s on a formula simplification. DAG size of input: 2912 DAG size of output: 4392 [2021-07-14 21:16:20,585 WARN L205 SmtUtils]: Spent 29.78 s on a formula simplification. DAG size of input: 2909 DAG size of output: 4761 [2021-07-14 21:16:33,765 WARN L205 SmtUtils]: Spent 13.16 s on a formula simplification. DAG size of input: 2376 DAG size of output: 3534 [2021-07-14 21:16:34,071 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 660 DAG size of output: 660 [2021-07-14 21:16:35,147 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 236 [2021-07-14 21:16:35,563 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 433 [2021-07-14 21:16:36,482 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 145 [2021-07-14 21:16:36,875 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 209 [2021-07-14 21:16:37,753 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 208 [2021-07-14 21:16:38,237 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 362 [2021-07-14 21:16:38,885 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 203 [2021-07-14 21:16:39,779 WARN L205 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 725 DAG size of output: 552 [2021-07-14 21:16:41,879 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 1216 DAG size of output: 1020 [2021-07-14 21:16:42,530 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 2372 [2021-07-14 21:16:45,166 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 261 [2021-07-14 21:16:45,561 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 332 [2021-07-14 21:16:46,470 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 193 [2021-07-14 21:16:46,842 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 233 [2021-07-14 21:16:47,022 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 644 DAG size of output: 644 [2021-07-14 21:16:48,372 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 179 [2021-07-14 21:16:48,941 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 186 [2021-07-14 21:16:49,258 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 261 [2021-07-14 21:16:50,449 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2021-07-14 21:16:51,193 WARN L205 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 426 [2021-07-14 21:16:51,377 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 172 [2021-07-14 21:16:53,097 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 234 [2021-07-14 21:16:54,249 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 1128 DAG size of output: 612 [2021-07-14 21:16:56,011 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 1278 DAG size of output: 769 [2021-07-14 21:16:56,231 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2021-07-14 21:16:56,395 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 543 [2021-07-14 21:16:56,931 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 153 [2021-07-14 21:16:57,415 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 155 [2021-07-14 21:16:57,830 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 413 [2021-07-14 21:16:59,990 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 294 [2021-07-14 21:17:00,984 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 281 [2021-07-14 21:17:01,526 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 798 DAG size of output: 461 [2021-07-14 21:17:02,407 WARN L205 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 923 DAG size of output: 569 [2021-07-14 21:17:03,707 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 307 [2021-07-14 21:17:03,865 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 892 [2021-07-14 21:17:04,348 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 174 [2021-07-14 21:17:04,642 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 206 [2021-07-14 21:17:05,379 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 250 [2021-07-14 21:17:05,726 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 118 [2021-07-14 21:17:06,613 WARN L205 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 329 [2021-07-14 21:17:06,863 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 785 [2021-07-14 21:17:07,350 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 182 [2021-07-14 21:17:08,151 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 244 [2021-07-14 21:17:09,099 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 326 [2021-07-14 21:17:10,218 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 253 [2021-07-14 21:17:10,593 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 270 [2021-07-14 21:17:11,491 WARN L205 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 788 DAG size of output: 573 [2021-07-14 21:17:12,196 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 212 [2021-07-14 21:17:12,420 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 175 [2021-07-14 21:17:13,444 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 169 [2021-07-14 21:17:13,784 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 144 [2021-07-14 21:17:14,483 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 358 [2021-07-14 21:17:15,442 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 649 DAG size of output: 522 [2021-07-14 21:17:17,312 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 1351 DAG size of output: 1032 [2021-07-14 21:17:20,602 WARN L205 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 1604 DAG size of output: 1284 [2021-07-14 21:17:25,900 WARN L205 SmtUtils]: Spent 5.29 s on a formula simplification. DAG size of input: 2564 DAG size of output: 1906 [2021-07-14 21:17:26,732 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 297 [2021-07-14 21:17:38,661 WARN L205 SmtUtils]: Spent 11.92 s on a formula simplification. DAG size of input: 5046 DAG size of output: 3850 [2021-07-14 21:17:39,209 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 2097 [2021-07-14 21:17:39,438 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 591 [2021-07-14 21:17:39,926 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 181 [2021-07-14 21:17:41,430 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 233 [2021-07-14 21:17:41,950 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 406 [2021-07-14 21:17:42,870 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 172 [2021-07-14 21:17:44,520 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 234 [2021-07-14 21:17:45,399 WARN L205 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 1003 DAG size of output: 593 [2021-07-14 21:17:45,852 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 138 [2021-07-14 21:17:47,048 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1079 DAG size of output: 665 [2021-07-14 21:17:47,635 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 570 [2021-07-14 21:17:48,959 WARN L205 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 544 [2021-07-14 21:17:50,175 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 242 [2021-07-14 21:17:50,563 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 345 [2021-07-14 21:17:55,901 WARN L205 SmtUtils]: Spent 5.33 s on a formula simplification. DAG size of input: 1137 DAG size of output: 1860 [2021-07-14 21:18:00,198 WARN L205 SmtUtils]: Spent 4.29 s on a formula simplification. DAG size of input: 1134 DAG size of output: 1679 [2021-07-14 21:18:01,179 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 161 [2021-07-14 21:18:01,435 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 206 [2021-07-14 21:18:01,712 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 168 [2021-07-14 21:18:02,156 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 187 [2021-07-14 21:18:02,440 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 985 DAG size of output: 985 [2021-07-14 21:18:02,550 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 464 DAG size of output: 464 [2021-07-14 21:18:03,644 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 181 [2021-07-14 21:18:03,943 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 694 DAG size of output: 694 [2021-07-14 21:18:05,288 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 175 [2021-07-14 21:18:05,597 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 139 [2021-07-14 21:18:05,784 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 226 [2021-07-14 21:18:06,081 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 300 [2021-07-14 21:18:06,616 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 369 [2021-07-14 21:18:09,765 WARN L205 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 1583 DAG size of output: 1407 [2021-07-14 21:18:10,067 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 945 DAG size of output: 945 [2021-07-14 21:18:10,417 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 341 [2021-07-14 21:18:11,933 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 363 [2021-07-14 21:18:13,810 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 225 [2021-07-14 21:18:14,055 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 197 [2021-07-14 21:18:14,243 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 232 [2021-07-14 21:18:14,727 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 280 [2021-07-14 21:18:15,216 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 348 [2021-07-14 21:18:20,676 WARN L205 SmtUtils]: Spent 5.45 s on a formula simplification. DAG size of input: 2614 DAG size of output: 1985 [2021-07-14 21:18:31,262 WARN L205 SmtUtils]: Spent 10.57 s on a formula simplification. DAG size of input: 4596 DAG size of output: 3588 [2021-07-14 21:18:59,288 WARN L205 SmtUtils]: Spent 28.00 s on a formula simplification. DAG size of input: 8221 DAG size of output: 6298 [2021-07-14 21:19:19,228 WARN L205 SmtUtils]: Spent 19.90 s on a formula simplification. DAG size of input: 2906 DAG size of output: 4370 [2021-07-14 21:19:20,280 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 2902 [2021-07-14 21:19:20,620 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 1596 [2021-07-14 21:19:21,042 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 366 [2021-07-14 21:19:21,237 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 188 [2021-07-14 21:19:21,714 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 194 [2021-07-14 21:19:22,326 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 211 [2021-07-14 21:19:22,610 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 351 [2021-07-14 21:19:22,850 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 279 [2021-07-14 21:19:23,414 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 178 [2021-07-14 21:19:23,925 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 268 [2021-07-14 21:19:24,612 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 314 [2021-07-14 21:19:25,817 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 345 [2021-07-14 21:19:26,725 WARN L205 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 664 [2021-07-14 21:19:26,912 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 1034 [2021-07-14 21:19:27,295 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 927 DAG size of output: 927 [2021-07-14 21:19:30,178 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 588 DAG size of output: 937 [2021-07-14 21:19:32,186 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 585 DAG size of output: 837 [2021-07-14 21:19:32,367 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 199 [2021-07-14 21:19:32,706 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 140 [2021-07-14 21:19:32,882 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 563 [2021-07-14 21:19:34,350 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 133 [2021-07-14 21:19:34,482 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 117 [2021-07-14 21:19:34,946 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 231 [2021-07-14 21:19:35,591 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 314 [2021-07-14 21:19:36,109 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 307 [2021-07-14 21:19:37,016 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 148 [2021-07-14 21:19:37,177 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 149 [2021-07-14 21:19:38,687 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1090 DAG size of output: 728 [2021-07-14 21:19:38,920 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 212 [2021-07-14 21:19:39,123 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 175 [2021-07-14 21:19:40,145 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 169 [2021-07-14 21:19:41,179 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 358 [2021-07-14 21:19:42,129 WARN L205 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 649 DAG size of output: 522 [2021-07-14 21:19:44,761 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 1652 DAG size of output: 1155 [2021-07-14 21:19:45,241 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 174 [2021-07-14 21:19:45,543 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 206 [2021-07-14 21:19:46,269 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 250 [2021-07-14 21:19:46,614 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 118 [2021-07-14 21:19:47,497 WARN L205 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 329 [2021-07-14 21:19:52,812 WARN L205 SmtUtils]: Spent 5.31 s on a formula simplification. DAG size of input: 1909 DAG size of output: 1413 [2021-07-14 21:19:53,172 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 619 DAG size of output: 620 [2021-07-14 21:19:53,550 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 105 [2021-07-14 21:19:53,994 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 153 [2021-07-14 21:19:54,137 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2021-07-14 21:19:54,616 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 155 [2021-07-14 21:19:55,517 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 165 [2021-07-14 21:19:55,982 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 160 [2021-07-14 21:19:56,320 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 196 [2021-07-14 21:19:56,930 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 264 [2021-07-14 21:19:57,814 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 646 DAG size of output: 327 [2021-07-14 21:19:58,511 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 264 [2021-07-14 21:19:59,409 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 219 [2021-07-14 21:20:00,200 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 186 [2021-07-14 21:20:00,596 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 141 [2021-07-14 21:20:00,746 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 193 [2021-07-14 21:20:01,157 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 244 [2021-07-14 21:20:01,794 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 696 DAG size of output: 367 [2021-07-14 21:20:03,188 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 961 DAG size of output: 519 [2021-07-14 21:20:05,261 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 1086 DAG size of output: 627 [2021-07-14 21:20:13,536 WARN L205 SmtUtils]: Spent 8.27 s on a formula simplification. DAG size of input: 3513 DAG size of output: 2445 [2021-07-14 21:20:13,704 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 806 [2021-07-14 21:20:14,515 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 193 [2021-07-14 21:20:14,876 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 233 [2021-07-14 21:20:15,203 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 761 DAG size of output: 761 [2021-07-14 21:20:15,750 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 300 [2021-07-14 21:20:17,141 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 234 [2021-07-14 21:20:17,503 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 377 [2021-07-14 21:20:17,973 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 210 [2021-07-14 21:20:18,305 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2021-07-14 21:20:19,244 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 177 [2021-07-14 21:20:20,221 WARN L205 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 876 DAG size of output: 591 [2021-07-14 21:20:20,405 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 172 [2021-07-14 21:20:22,062 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 234 [2021-07-14 21:20:23,396 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 222 [2021-07-14 21:20:23,674 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 171 [2021-07-14 21:20:25,254 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1450 DAG size of output: 774 [2021-07-14 21:20:27,341 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 1606 DAG size of output: 934 [2021-07-14 21:20:28,830 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 453 DAG size of output: 697 [2021-07-14 21:20:28,947 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 361 [2021-07-14 21:20:29,836 WARN L205 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 478 [2021-07-14 21:20:31,066 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 446 [2021-07-14 21:20:32,946 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 150 [2021-07-14 21:20:33,212 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 295 [2021-07-14 21:20:33,330 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 153 [2021-07-14 21:20:33,745 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 148 [2021-07-14 21:20:34,024 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 167 [2021-07-14 21:20:34,943 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 183 [2021-07-14 21:20:35,310 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 272 [2021-07-14 21:20:36,461 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 231 [2021-07-14 21:20:37,219 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 469 [2021-07-14 21:20:55,065 WARN L205 SmtUtils]: Spent 17.84 s on a formula simplification. DAG size of input: 6438 DAG size of output: 4737 [2021-07-14 21:20:55,880 WARN L205 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 2506 [2021-07-14 21:21:03,460 WARN L205 SmtUtils]: Spent 7.57 s on a formula simplification. DAG size of input: 1381 DAG size of output: 2169 [2021-07-14 21:21:03,740 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 1375 [2021-07-14 21:21:03,894 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 258 [2021-07-14 21:21:05,179 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 262 [2021-07-14 21:21:05,358 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 550 [2021-07-14 21:21:06,264 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 169 [2021-07-14 21:21:06,955 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 357 [2021-07-14 21:21:07,896 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 184 [2021-07-14 21:21:08,050 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 919 [2021-07-14 21:21:08,172 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 817 [2021-07-14 21:21:09,418 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 170 [2021-07-14 21:21:10,234 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 187 [2021-07-14 21:21:10,399 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 203 [2021-07-14 21:21:10,768 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 191 [2021-07-14 21:21:11,198 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 217 [2021-07-14 21:21:11,879 WARN L205 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 279 [2021-07-14 21:21:12,482 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 252 [2021-07-14 21:21:12,711 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 209 [2021-07-14 21:21:12,910 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 172 [2021-07-14 21:21:13,831 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 192 [2021-07-14 21:21:14,740 WARN L205 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 574 DAG size of output: 400 [2021-07-14 21:21:15,140 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 156 [2021-07-14 21:21:15,474 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 204 [2021-07-14 21:21:16,803 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 745 DAG size of output: 548 [2021-07-14 21:21:18,736 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1176 DAG size of output: 801 [2021-07-14 21:21:19,181 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 1174 DAG size of output: 1174 [2021-07-14 21:21:21,750 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 802 [2021-07-14 21:21:21,863 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 740 [2021-07-14 21:21:22,267 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 148 [2021-07-14 21:21:23,522 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 149 [2021-07-14 21:21:25,211 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 197 [2021-07-14 21:21:25,866 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 304 [2021-07-14 21:21:26,623 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 352 [2021-07-14 21:21:27,458 WARN L205 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 745 DAG size of output: 478 [2021-07-14 21:21:32,684 WARN L205 SmtUtils]: Spent 5.22 s on a formula simplification. DAG size of input: 2555 DAG size of output: 1773 [2021-07-14 21:21:35,322 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 730 DAG size of output: 1148 [2021-07-14 21:21:38,483 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 216 [2021-07-14 21:21:38,773 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 643 DAG size of output: 241 [2021-07-14 21:21:38,891 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 723 [2021-07-14 21:21:41,481 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 682 DAG size of output: 1164 [2021-07-14 21:21:41,707 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 165 [2021-07-14 21:21:44,985 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 172 [2021-07-14 21:21:45,518 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 1194 DAG size of output: 360 [2021-07-14 21:21:46,208 WARN L205 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 1286 DAG size of output: 433 [2021-07-14 21:21:47,606 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1933 DAG size of output: 690 [2021-07-14 21:21:47,743 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 412 [2021-07-14 21:21:49,035 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 154 [2021-07-14 21:21:49,806 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 172 [2021-07-14 21:21:50,498 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 155 [2021-07-14 21:21:51,039 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 256 [2021-07-14 21:21:51,605 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 296 [2021-07-14 21:22:03,074 WARN L205 SmtUtils]: Spent 11.46 s on a formula simplification. DAG size of input: 5639 DAG size of output: 3502 [2021-07-14 21:22:06,457 WARN L205 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 725 DAG size of output: 1183 [2021-07-14 21:22:06,566 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 342 [2021-07-14 21:22:07,372 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 221 [2021-07-14 21:22:07,712 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 411 [2021-07-14 21:22:08,024 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 721 DAG size of output: 721 [2021-07-14 21:22:08,736 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 478 [2021-07-14 21:22:09,401 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 180 [2021-07-14 21:22:10,171 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 280 [2021-07-14 21:22:10,966 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 190 [2021-07-14 21:22:11,462 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 181 [2021-07-14 21:22:12,092 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 460 [2021-07-14 21:22:14,020 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1011 DAG size of output: 909 [2021-07-14 21:22:16,891 WARN L205 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 1499 DAG size of output: 1187 [2021-07-14 21:22:52,722 WARN L205 SmtUtils]: Spent 35.81 s on a formula simplification. DAG size of input: 10903 DAG size of output: 7150 [2021-07-14 21:23:09,316 WARN L205 SmtUtils]: Spent 16.55 s on a formula simplification. DAG size of input: 2569 DAG size of output: 3854 [2021-07-14 21:23:09,978 WARN L205 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 2163 [2021-07-14 21:23:10,091 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 357 [2021-07-14 21:23:11,358 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 160 [2021-07-14 21:23:12,267 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 154 [2021-07-14 21:23:12,739 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 262 [2021-07-14 21:23:13,169 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 589 DAG size of output: 304 [2021-07-14 21:23:13,340 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 581 [2021-07-14 21:23:13,799 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 544 [2021-07-14 21:23:15,264 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 178 [2021-07-14 21:23:15,591 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 211 [2021-07-14 21:23:16,681 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 251 [2021-07-14 21:23:17,232 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 150 [2021-07-14 21:23:18,052 WARN L205 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 429 [2021-07-14 21:23:19,650 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 831 DAG size of output: 530 [2021-07-14 21:23:21,065 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 904 DAG size of output: 591 [2021-07-14 21:23:21,288 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2021-07-14 21:23:21,457 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 250 [2021-07-14 21:23:22,218 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 214 [2021-07-14 21:23:23,542 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 249 [2021-07-14 21:23:24,006 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 388 [2021-07-14 21:23:24,137 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 778 [2021-07-14 21:23:24,615 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 160 [2021-07-14 21:23:25,104 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 216 [2021-07-14 21:23:25,341 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 696 DAG size of output: 696 [2021-07-14 21:23:26,692 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 193 [2021-07-14 21:23:27,057 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 211 [2021-07-14 21:23:27,799 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 284 [2021-07-14 21:23:28,496 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 196 [2021-07-14 21:23:29,162 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 264 [2021-07-14 21:23:29,543 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 295 [2021-07-14 21:23:29,901 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 368 [2021-07-14 21:23:30,936 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 215 [2021-07-14 21:23:31,956 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 726 DAG size of output: 620 [2021-07-14 21:23:32,491 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 170 [2021-07-14 21:23:32,743 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 240 [2021-07-14 21:23:34,338 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 955 DAG size of output: 823 [2021-07-14 21:23:36,600 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 1115 DAG size of output: 974 [2021-07-14 21:23:36,773 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 517 [2021-07-14 21:23:38,742 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 199 [2021-07-14 21:23:39,173 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 202 [2021-07-14 21:23:39,468 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 256 [2021-07-14 21:23:39,914 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 343 [2021-07-14 21:23:41,626 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 200 [2021-07-14 21:23:42,025 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 315 [2021-07-14 21:23:43,190 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 728 DAG size of output: 497 [2021-07-14 21:23:44,695 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 806 DAG size of output: 582 [2021-07-14 21:23:49,765 WARN L205 SmtUtils]: Spent 5.07 s on a formula simplification. DAG size of input: 2004 DAG size of output: 1644 [2021-07-14 21:24:00,457 WARN L205 SmtUtils]: Spent 10.68 s on a formula simplification. DAG size of input: 3918 DAG size of output: 3095 [2021-07-14 21:24:00,706 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 604 [2021-07-14 21:24:01,532 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 224 [2021-07-14 21:24:02,620 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 213 [2021-07-14 21:24:03,656 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 306 [2021-07-14 21:24:04,097 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 138 [2021-07-14 21:24:04,294 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2021-07-14 21:24:05,117 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 314 [2021-07-14 21:24:05,979 WARN L205 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 604 [2021-07-14 21:24:07,686 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1028 DAG size of output: 1049 [2021-07-14 21:24:08,596 WARN L205 SmtUtils]: Spent 898.00 ms on a formula simplification that was a NOOP. DAG size: 2565 [2021-07-14 21:24:09,216 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 1438 DAG size of output: 1438 [2021-07-14 21:24:09,373 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 899 [2021-07-14 21:24:09,856 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 153 [2021-07-14 21:24:10,442 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 167 [2021-07-14 21:24:10,781 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 205 [2021-07-14 21:24:11,441 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 309 [2021-07-14 21:24:11,755 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 810 DAG size of output: 810 [2021-07-14 21:24:12,289 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 170 [2021-07-14 21:24:12,536 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 240 [2021-07-14 21:24:13,969 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 193 [2021-07-14 21:24:14,333 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 211 [2021-07-14 21:24:15,081 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 284 [2021-07-14 21:24:16,126 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 244 [2021-07-14 21:24:16,523 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 237 [2021-07-14 21:24:16,862 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 327 [2021-07-14 21:24:17,429 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 364 [2021-07-14 21:24:18,120 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 216 [2021-07-14 21:24:18,528 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 187 [2021-07-14 21:24:18,900 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 345 [2021-07-14 21:24:19,432 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 330 [2021-07-14 21:24:21,116 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 867 DAG size of output: 669 [2021-07-14 21:24:23,507 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 1091 DAG size of output: 868 [2021-07-14 21:24:27,093 WARN L205 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 1320 DAG size of output: 1111 [2021-07-14 21:24:27,322 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 583 [2021-07-14 21:24:27,567 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2021-07-14 21:24:27,899 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2021-07-14 21:24:28,006 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 502 [2021-07-14 21:24:29,423 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 170 [2021-07-14 21:24:29,695 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 229 [2021-07-14 21:24:30,686 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 263 [2021-07-14 21:24:31,371 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 328 [2021-07-14 21:24:32,086 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 182 [2021-07-14 21:24:32,757 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 263 [2021-07-14 21:24:33,340 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 155 [2021-07-14 21:24:33,543 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 202 [2021-07-14 21:24:33,974 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 155 [2021-07-14 21:24:34,137 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 206 [2021-07-14 21:24:34,585 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 259 [2021-07-14 21:24:35,324 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 332 [2021-07-14 21:24:36,764 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 873 DAG size of output: 503 [2021-07-14 21:24:38,745 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 993 DAG size of output: 621 [2021-07-14 21:24:39,182 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 355 [2021-07-14 21:24:40,448 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 361 [2021-07-14 21:24:41,172 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 240 [2021-07-14 21:24:41,785 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 231 [2021-07-14 21:24:42,167 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 382 [2021-07-14 21:24:42,417 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 266 [2021-07-14 21:24:43,636 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 250 [2021-07-14 21:24:43,923 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 303 [2021-07-14 21:24:44,986 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 578 DAG size of output: 592 [2021-07-14 21:24:52,842 WARN L205 SmtUtils]: Spent 7.85 s on a formula simplification. DAG size of input: 2468 DAG size of output: 1975 [2021-07-14 21:24:52,965 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 395 [2021-07-14 21:24:54,313 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 200 [2021-07-14 21:24:54,562 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 163 [2021-07-14 21:24:55,749 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 200 [2021-07-14 21:24:56,023 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 169 [2021-07-14 21:24:56,583 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 278 [2021-07-14 21:24:57,314 WARN L205 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 345 [2021-07-14 21:24:57,518 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 238 [2021-07-14 21:24:58,239 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 200 [2021-07-14 21:24:58,728 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2021-07-14 21:24:59,053 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 221 [2021-07-14 21:24:59,860 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 263 [2021-07-14 21:25:00,387 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 453 [2021-07-14 21:25:00,605 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 661 DAG size of output: 661 [2021-07-14 21:25:01,249 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 182 [2021-07-14 21:25:01,499 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 623 DAG size of output: 623 [2021-07-14 21:25:02,120 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 166 [2021-07-14 21:25:02,725 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 211 [2021-07-14 21:25:03,079 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2021-07-14 21:25:03,859 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 214 [2021-07-14 21:25:04,497 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 210 [2021-07-14 21:25:04,934 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 297 [2021-07-14 21:25:05,974 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 643 DAG size of output: 496 [2021-07-14 21:25:08,872 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 918 DAG size of output: 595 [2021-07-14 21:25:10,734 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1039 DAG size of output: 709 [2021-07-14 21:25:27,655 WARN L205 SmtUtils]: Spent 16.91 s on a formula simplification. DAG size of input: 4929 DAG size of output: 3981 [2021-07-14 21:25:59,536 WARN L205 SmtUtils]: Spent 31.86 s on a formula simplification. DAG size of input: 7115 DAG size of output: 5946 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown