/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 13:08:14,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 13:08:14,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 13:08:14,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 13:08:14,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 13:08:14,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 13:08:14,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 13:08:14,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 13:08:14,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 13:08:14,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 13:08:14,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 13:08:14,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 13:08:14,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 13:08:14,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 13:08:14,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 13:08:14,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 13:08:14,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 13:08:14,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 13:08:14,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 13:08:14,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 13:08:14,449 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-Lockstep.epf [2021-07-10 13:08:14,485 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 13:08:14,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 13:08:14,486 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 13:08:14,486 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 13:08:14,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 13:08:14,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 13:08:14,488 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 13:08:14,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 13:08:14,488 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 13:08:14,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 13:08:14,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 13:08:14,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 13:08:14,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 13:08:14,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 13:08:14,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 13:08:14,490 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 13:08:14,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 13:08:14,490 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 13:08:14,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 13:08:14,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 13:08:14,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 13:08:14,490 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 13:08:14,490 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 13:08:14,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 13:08:14,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 13:08:14,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 13:08:14,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 13:08:14,491 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 13:08:14,491 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-10 13:08:14,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 13:08:14,491 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 13:08:14,491 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 13:08:14,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 13:08:14,492 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 13:08:14,492 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 13:08:14,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 13:08:14,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 13:08:14,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 13:08:14,713 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 13:08:14,714 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 13:08:14,714 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl [2021-07-10 13:08:14,715 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl' [2021-07-10 13:08:14,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 13:08:14,740 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 13:08:14,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 13:08:14,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 13:08:14,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 13:08:14,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:08:14" (1/1) ... [2021-07-10 13:08:14,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:08:14" (1/1) ... [2021-07-10 13:08:14,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 13:08:14,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 13:08:14,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 13:08:14,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 13:08:14,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:08:14" (1/1) ... [2021-07-10 13:08:14,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:08:14" (1/1) ... [2021-07-10 13:08:14,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:08:14" (1/1) ... [2021-07-10 13:08:14,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:08:14" (1/1) ... [2021-07-10 13:08:14,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:08:14" (1/1) ... [2021-07-10 13:08:14,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:08:14" (1/1) ... [2021-07-10 13:08:14,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:08:14" (1/1) ... [2021-07-10 13:08:14,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 13:08:14,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 13:08:14,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 13:08:14,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 13:08:14,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:08:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 13:08:14,836 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 13:08:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 13:08:14,836 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 13:08:14,837 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 13:08:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 13:08:14,837 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 13:08:14,837 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 13:08:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 13:08:14,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 13:08:14,837 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 13:08:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 13:08:14,837 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 13:08:14,838 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 13:08:15,008 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 13:08:15,008 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 13:08:15,009 INFO L202 PluginConnector]: Adding new model array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:08:15 BoogieIcfgContainer [2021-07-10 13:08:15,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 13:08:15,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 13:08:15,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 13:08:15,013 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 13:08:15,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:08:14" (1/2) ... [2021-07-10 13:08:15,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@692654da and model type array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 01:08:15, skipping insertion in model container [2021-07-10 13:08:15,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:08:15" (2/2) ... [2021-07-10 13:08:15,015 INFO L111 eAbstractionObserver]: Analyzing ICFG array-sum.wvr.bpl [2021-07-10 13:08:15,034 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 13:08:15,035 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 13:08:15,035 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 13:08:15,035 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 13:08:15,089 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-10 13:08:15,119 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 [2021-07-10 13:08:15,155 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 13:08:15,155 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 13:08:15,155 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 13:08:15,155 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 13:08:15,155 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 13:08:15,156 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 13:08:15,156 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 13:08:15,156 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 13:08:15,296 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:08:15,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:08:15,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1361519442, now seen corresponding path program 1 times [2021-07-10 13:08:15,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:08:15,309 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548482984] [2021-07-10 13:08:15,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:08:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:08:15,489 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 13:08:15,489 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:08:15,489 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548482984] [2021-07-10 13:08:15,490 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548482984] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:08:15,490 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418277860] [2021-07-10 13:08:15,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:08:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:08:15,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-10 13:08:15,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:08:15,710 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-10 13:08:15,710 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418277860] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:08:15,711 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:08:15,711 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2021-07-10 13:08:15,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259608150] [2021-07-10 13:08:15,715 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 13:08:15,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:08:15,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 13:08:15,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-07-10 13:08:15,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:08:15,725 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:08:15,726 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:08:15,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:08:15,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:08:16,073 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-10 13:08:16,075 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:08:16,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:08:16,075 INFO L82 PathProgramCache]: Analyzing trace with hash -749361960, now seen corresponding path program 2 times [2021-07-10 13:08:16,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:08:16,076 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574541473] [2021-07-10 13:08:16,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:08:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:08:16,137 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:08:16,137 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:08:16,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574541473] [2021-07-10 13:08:16,137 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574541473] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:08:16,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873267604] [2021-07-10 13:08:16,137 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:08:16,183 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 13:08:16,183 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:08:16,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-10 13:08:16,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:08:16,318 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-10 13:08:16,318 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873267604] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:08:16,318 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:08:16,318 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2021-07-10 13:08:16,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781041424] [2021-07-10 13:08:16,322 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 13:08:16,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:08:16,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 13:08:16,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-07-10 13:08:16,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:08:16,326 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:08:16,326 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:08:16,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:08:16,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:08:16,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:08:16,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:08:16,688 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:08:16,689 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:08:16,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:08:16,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1650076787, now seen corresponding path program 3 times [2021-07-10 13:08:16,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:08:16,690 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471626934] [2021-07-10 13:08:16,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:08:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:08:16,807 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 56 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-10 13:08:16,807 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:08:16,807 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471626934] [2021-07-10 13:08:16,807 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471626934] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:08:16,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030995722] [2021-07-10 13:08:16,808 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 [2021-07-10 13:08:16,855 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-10 13:08:16,856 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:08:16,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-10 13:08:16,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:08:17,084 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 3 proven. 53 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 13:08:17,084 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030995722] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:08:17,084 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:08:17,084 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 19 [2021-07-10 13:08:17,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341657575] [2021-07-10 13:08:17,085 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 13:08:17,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:08:17,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 13:08:17,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2021-07-10 13:08:17,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:08:17,086 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:08:17,086 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 4.052631578947368) internal successors, (77), 19 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:08:17,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:08:17,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:08:17,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:08:17,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:08:17,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:08:17,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 13:08:17,860 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:08:17,861 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:08:17,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:08:17,861 INFO L82 PathProgramCache]: Analyzing trace with hash 458580181, now seen corresponding path program 4 times [2021-07-10 13:08:17,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:08:17,862 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026470915] [2021-07-10 13:08:17,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:08:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:08:19,094 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 13:08:19,094 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:08:19,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026470915] [2021-07-10 13:08:19,094 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026470915] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:08:19,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567434949] [2021-07-10 13:08:19,094 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 [2021-07-10 13:08:19,149 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 13:08:19,149 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:08:19,150 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 64 conjunts are in the unsatisfiable core [2021-07-10 13:08:19,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:08:21,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:08:21,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:21,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:21,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:21,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:21,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:21,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:21,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:21,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:08:21,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:21,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:08:21,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:21,156 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:08:21,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 21 disjoint index pairs (out of 55 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 69 [2021-07-10 13:08:21,162 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:08:21,166 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:08:21,169 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:08:21,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:21,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:21,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:21,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:21,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:21,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:21,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:21,179 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:08:21,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:21,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:08:21,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:08:21,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 3 [2021-07-10 13:08:21,182 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 13:08:21,185 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:08:21,187 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:08:21,187 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:109, output treesize:3 [2021-07-10 13:08:21,223 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:08:21,223 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567434949] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:08:21,223 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:08:21,223 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32] total 62 [2021-07-10 13:08:21,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859632659] [2021-07-10 13:08:21,224 INFO L462 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-07-10 13:08:21,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:08:21,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-07-10 13:08:21,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=3526, Unknown=0, NotChecked=0, Total=3782 [2021-07-10 13:08:21,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:08:21,226 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:08:21,226 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 62 states, 62 states have (on average 1.8064516129032258) internal successors, (112), 62 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:08:21,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:08:21,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:08:21,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 13:08:21,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:08:24,529 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 64 [2021-07-10 13:08:24,778 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2021-07-10 13:08:25,784 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2021-07-10 13:08:26,118 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2021-07-10 13:08:28,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:08:28,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:08:28,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 13:08:28,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-10 13:08:29,129 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:08:29,129 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:08:29,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:08:29,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1994641828, now seen corresponding path program 5 times [2021-07-10 13:08:29,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:08:29,130 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866087416] [2021-07-10 13:08:29,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:08:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:08:31,019 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 173 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 13:08:31,020 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:08:31,020 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866087416] [2021-07-10 13:08:31,020 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866087416] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:08:31,020 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556355985] [2021-07-10 13:08:31,020 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 [2021-07-10 13:08:31,061 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-10 13:08:31,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:08:31,062 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 79 conjunts are in the unsatisfiable core [2021-07-10 13:08:31,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:08:34,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:34,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:08:35,160 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-07-10 13:08:35,160 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:08:35,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 36 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 55 case distinctions, treesize of input 147 treesize of output 647 [2021-07-10 13:08:35,918 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 1198 DAG size of output: 968 [2021-07-10 13:08:36,528 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 1216 DAG size of output: 987 [2021-07-10 13:08:39,776 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 5927 DAG size of output: 2852 [2021-07-10 13:08:42,873 WARN L205 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 5944 DAG size of output: 2869 [2021-07-10 13:08:57,763 WARN L205 SmtUtils]: Spent 13.32 s on a formula simplification. DAG size of input: 17184 DAG size of output: 8706 [2021-07-10 13:09:12,959 WARN L205 SmtUtils]: Spent 14.51 s on a formula simplification. DAG size of input: 17212 DAG size of output: 8732 [2021-07-10 13:09:38,759 WARN L205 SmtUtils]: Spent 25.71 s on a formula simplification. DAG size of input: 8128 DAG size of output: 9253 [2021-07-10 13:10:04,612 WARN L205 SmtUtils]: Spent 25.73 s on a formula simplification. DAG size of input: 8115 DAG size of output: 8887 [2021-07-10 13:10:30,370 WARN L205 SmtUtils]: Spent 25.66 s on a formula simplification. DAG size of input: 8111 DAG size of output: 8264 [2021-07-10 13:10:41,805 WARN L205 SmtUtils]: Spent 11.31 s on a formula simplification. DAG size of input: 8105 DAG size of output: 8105 [2021-07-10 13:10:43,166 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 2216 DAG size of output: 2216 [2021-07-10 13:10:43,971 WARN L205 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 923 DAG size of output: 951 [2021-07-10 13:10:44,699 WARN L205 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 918 DAG size of output: 993 [2021-07-10 13:10:45,413 WARN L205 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 914 DAG size of output: 959 [2021-07-10 13:10:46,055 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 908 DAG size of output: 1069 [2021-07-10 13:10:46,619 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 823 DAG size of output: 832 [2021-07-10 13:10:46,854 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 815 DAG size of output: 815 [2021-07-10 13:10:47,571 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 661 DAG size of output: 573 [2021-07-10 13:10:47,742 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 813 DAG size of output: 708 [2021-07-10 13:10:48,005 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 961 DAG size of output: 860 [2021-07-10 13:10:48,157 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 657 [2021-07-10 13:10:48,851 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 1246 DAG size of output: 987 [2021-07-10 13:10:49,508 WARN L205 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 1919 DAG size of output: 1548 [2021-07-10 13:10:50,568 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 2133 DAG size of output: 1748 [2021-07-10 13:10:52,178 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 2493 DAG size of output: 2102 [2021-07-10 13:10:54,426 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 2778 DAG size of output: 2358 [2021-07-10 13:10:57,422 WARN L205 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 3011 DAG size of output: 2576 [2021-07-10 13:11:01,278 WARN L205 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 3409 DAG size of output: 2967 [2021-07-10 13:11:02,116 WARN L205 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 1618 DAG size of output: 1618 [2021-07-10 13:11:02,272 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 651 [2021-07-10 13:11:02,892 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 645 [2021-07-10 13:11:03,067 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 657 [2021-07-10 13:11:03,275 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 742 DAG size of output: 713 [2021-07-10 13:11:03,554 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 807 DAG size of output: 765 [2021-07-10 13:11:03,909 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 922 DAG size of output: 860 [2021-07-10 13:11:04,187 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 555 [2021-07-10 13:11:04,428 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 595 [2021-07-10 13:11:04,644 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 531 [2021-07-10 13:11:04,864 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 508 [2021-07-10 13:11:05,049 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 553 [2021-07-10 13:11:05,205 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 472 [2021-07-10 13:11:05,622 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 640 [2021-07-10 13:11:05,786 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 774 DAG size of output: 700 [2021-07-10 13:11:06,401 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 1015 DAG size of output: 817 [2021-07-10 13:11:06,797 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 1542 DAG size of output: 1299 [2021-07-10 13:11:07,393 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 1729 DAG size of output: 1483 [2021-07-10 13:11:08,211 WARN L205 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 1946 DAG size of output: 1700 [2021-07-10 13:11:09,302 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 2228 DAG size of output: 1991 [2021-07-10 13:11:10,724 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 2418 DAG size of output: 2173 [2021-07-10 13:11:12,540 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 2493 DAG size of output: 2244 [2021-07-10 13:11:14,771 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 2728 DAG size of output: 2471 [2021-07-10 13:11:17,807 WARN L205 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 3274 DAG size of output: 2958 [2021-07-10 13:11:19,197 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1299 DAG size of output: 1317 [2021-07-10 13:11:20,443 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1355 [2021-07-10 13:11:21,476 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1543 [2021-07-10 13:11:21,800 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 991 DAG size of output: 991 [2021-07-10 13:11:21,927 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 394 [2021-07-10 13:11:22,629 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 952 DAG size of output: 811 [2021-07-10 13:11:22,911 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 1138 DAG size of output: 982 [2021-07-10 13:11:23,115 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 814 DAG size of output: 814 [2021-07-10 13:11:23,750 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 745 DAG size of output: 638 [2021-07-10 13:11:23,943 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 918 DAG size of output: 805 [2021-07-10 13:11:24,232 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 632 [2021-07-10 13:11:24,513 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 685 [2021-07-10 13:11:25,061 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 1260 DAG size of output: 1024 [2021-07-10 13:11:25,518 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 1594 DAG size of output: 1327 [2021-07-10 13:11:26,317 WARN L205 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 2274 DAG size of output: 1896 [2021-07-10 13:11:27,690 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 3062 DAG size of output: 2534 [2021-07-10 13:11:29,908 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 3786 DAG size of output: 3233 [2021-07-10 13:11:33,065 WARN L205 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 4516 DAG size of output: 3899 [2021-07-10 13:11:37,392 WARN L205 SmtUtils]: Spent 4.30 s on a formula simplification. DAG size of input: 5270 DAG size of output: 4649 [2021-07-10 13:11:45,587 WARN L205 SmtUtils]: Spent 8.16 s on a formula simplification. DAG size of input: 7591 DAG size of output: 6705 [2021-07-10 13:11:59,377 WARN L205 SmtUtils]: Spent 13.74 s on a formula simplification. DAG size of input: 10174 DAG size of output: 8924 [2021-07-10 13:12:20,165 WARN L205 SmtUtils]: Spent 20.70 s on a formula simplification. DAG size of input: 6712 DAG size of output: 6987 [2021-07-10 13:12:39,181 WARN L205 SmtUtils]: Spent 18.93 s on a formula simplification. DAG size of input: 6709 DAG size of output: 7225 [2021-07-10 13:12:57,936 WARN L205 SmtUtils]: Spent 18.67 s on a formula simplification. DAG size of input: 6705 DAG size of output: 6927 [2021-07-10 13:12:58,244 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 895 DAG size of output: 895 [2021-07-10 13:12:58,379 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 447 [2021-07-10 13:12:59,039 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 971 DAG size of output: 836 [2021-07-10 13:12:59,198 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 682 [2021-07-10 13:12:59,741 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 689 [2021-07-10 13:13:00,237 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 462 [2021-07-10 13:13:00,374 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 421 [2021-07-10 13:13:00,614 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 688 DAG size of output: 584 [2021-07-10 13:13:00,868 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 1054 DAG size of output: 904 [2021-07-10 13:13:01,351 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 1612 DAG size of output: 1388 [2021-07-10 13:13:02,180 WARN L205 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 2258 DAG size of output: 1942 [2021-07-10 13:13:03,190 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 620 [2021-07-10 13:13:03,432 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 400 [2021-07-10 13:13:03,619 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 369 [2021-07-10 13:13:03,780 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 300 [2021-07-10 13:13:03,994 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 634 [2021-07-10 13:13:04,251 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 780 [2021-07-10 13:13:04,683 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 993 DAG size of output: 980 [2021-07-10 13:13:04,880 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 341 [2021-07-10 13:13:05,092 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 522 [2021-07-10 13:13:05,284 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 356 [2021-07-10 13:13:06,032 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 339 [2021-07-10 13:13:06,254 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 524 [2021-07-10 13:13:06,532 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 368 [2021-07-10 13:13:07,172 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 1069 DAG size of output: 926 [2021-07-10 13:13:07,516 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 686 DAG size of output: 728 [2021-07-10 13:13:08,049 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 754 DAG size of output: 599 [2021-07-10 13:13:08,756 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 1874 DAG size of output: 1455 [2021-07-10 13:13:09,334 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 1421 DAG size of output: 1421 [2021-07-10 13:13:09,663 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 1030 DAG size of output: 1030 [2021-07-10 13:13:09,856 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 853 DAG size of output: 853 [2021-07-10 13:13:10,345 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 764 DAG size of output: 673 [2021-07-10 13:13:10,528 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 905 DAG size of output: 797 [2021-07-10 13:13:10,831 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 703 [2021-07-10 13:13:11,175 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 1280 DAG size of output: 929 [2021-07-10 13:13:11,732 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 2154 DAG size of output: 1644 [2021-07-10 13:13:12,119 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 485 [2021-07-10 13:13:12,987 WARN L205 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 2613 DAG size of output: 1928 [2021-07-10 13:13:13,125 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 631 [2021-07-10 13:13:13,567 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 784 DAG size of output: 642 [2021-07-10 13:13:13,790 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 509 [2021-07-10 13:13:14,113 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 1018 DAG size of output: 794 [2021-07-10 13:13:14,361 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 1128 DAG size of output: 869 [2021-07-10 13:13:14,805 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 1668 DAG size of output: 1275 [2021-07-10 13:13:16,397 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 3898 DAG size of output: 2858 [2021-07-10 13:13:17,570 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 1304 DAG size of output: 1481 [2021-07-10 13:13:18,533 WARN L205 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1316 [2021-07-10 13:13:19,322 WARN L205 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 1209 DAG size of output: 1308 [2021-07-10 13:13:20,264 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 1671 DAG size of output: 1558 [2021-07-10 13:13:20,743 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 837 DAG size of output: 797 [2021-07-10 13:13:20,899 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 530 [2021-07-10 13:13:21,314 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 992 DAG size of output: 782 [2021-07-10 13:13:22,610 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 3838 DAG size of output: 3443 [2021-07-10 13:13:24,666 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 4530 DAG size of output: 4105 [2021-07-10 13:13:27,734 WARN L205 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 5275 DAG size of output: 4791 [2021-07-10 13:13:29,830 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 1774 DAG size of output: 1885 [2021-07-10 13:13:30,636 WARN L205 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 1765 DAG size of output: 1765 [2021-07-10 13:13:31,090 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 808 DAG size of output: 924 [2021-07-10 13:13:31,572 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 838 DAG size of output: 745 [2021-07-10 13:13:32,261 WARN L205 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 2075 DAG size of output: 1588 [2021-07-10 13:13:32,711 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 1314 DAG size of output: 1314 [2021-07-10 13:13:33,406 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1042 DAG size of output: 814 [2021-07-10 13:13:33,674 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 1330 DAG size of output: 976 [2021-07-10 13:13:34,079 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 1629 DAG size of output: 1157 [2021-07-10 13:13:34,201 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 379 [2021-07-10 13:13:34,564 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 674 [2021-07-10 13:13:34,785 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 832 DAG size of output: 832 [2021-07-10 13:13:34,914 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 479 [2021-07-10 13:13:35,239 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 927 DAG size of output: 799 [2021-07-10 13:13:35,662 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 461 [2021-07-10 13:13:36,207 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 1127 DAG size of output: 922 [2021-07-10 13:13:36,695 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 1995 DAG size of output: 1644 [2021-07-10 13:13:37,984 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 3690 DAG size of output: 2818 [2021-07-10 13:13:40,316 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 5125 DAG size of output: 3835 [2021-07-10 13:13:44,072 WARN L205 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 5951 DAG size of output: 4630 [2021-07-10 13:13:46,336 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 1769 DAG size of output: 1945 [2021-07-10 13:13:47,947 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 1610 DAG size of output: 1919 [2021-07-10 13:13:49,123 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 1310 DAG size of output: 1424 [2021-07-10 13:13:49,519 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 1211 DAG size of output: 1211 [2021-07-10 13:13:50,217 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 786 DAG size of output: 679 [2021-07-10 13:13:50,418 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 903 DAG size of output: 795 [2021-07-10 13:13:51,063 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 599 [2021-07-10 13:13:51,548 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 1546 DAG size of output: 1335 [2021-07-10 13:13:51,807 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 965 DAG size of output: 965 [2021-07-10 13:13:52,229 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1219 DAG size of output: 787 [2021-07-10 13:13:52,347 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 637 DAG size of output: 637 [2021-07-10 13:13:52,862 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 1024 DAG size of output: 740 [2021-07-10 13:13:53,202 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 1975 DAG size of output: 1304 [2021-07-10 13:13:54,147 WARN L205 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 3191 DAG size of output: 2335 [2021-07-10 13:13:55,828 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 3937 DAG size of output: 3014 [2021-07-10 13:13:58,784 WARN L205 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 4943 DAG size of output: 4026 [2021-07-10 13:14:03,315 WARN L205 SmtUtils]: Spent 4.49 s on a formula simplification. DAG size of input: 6073 DAG size of output: 4960 [2021-07-10 13:14:41,706 WARN L205 SmtUtils]: Spent 38.30 s on a formula simplification. DAG size of input: 28066 DAG size of output: 22479 [2021-07-10 13:15:34,411 WARN L205 SmtUtils]: Spent 52.51 s on a formula simplification. DAG size of input: 32371 DAG size of output: 26348 [2021-07-10 13:16:44,131 WARN L205 SmtUtils]: Spent 1.16 m on a formula simplification. DAG size of input: 36641 DAG size of output: 30476 [2021-07-10 13:18:19,442 WARN L205 SmtUtils]: Spent 1.58 m on a formula simplification. DAG size of input: 44088 DAG size of output: 36911 [2021-07-10 13:20:20,652 WARN L205 SmtUtils]: Spent 2.01 m on a formula simplification. DAG size of input: 49590 DAG size of output: 42033 Received shutdown request... [2021-07-10 13:22:49,473 WARN L205 SmtUtils]: Spent 2.47 m on a formula simplification. DAG size of input: 53643 DAG size of output: 45660 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown