/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-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 19:07:52,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 19:07:52,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 19:07:52,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 19:07:52,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 19:07:52,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 19:07:52,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 19:07:52,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 19:07:52,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 19:07:52,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 19:07:52,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 19:07:52,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 19:07:52,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 19:07:52,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 19:07:52,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 19:07:52,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 19:07:52,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-14 19:07:52,059 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 [2021-07-14 19:07:52,084 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 19:07:52,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 19:07:52,085 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 19:07:52,085 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 19:07:52,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 19:07:52,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 19:07:52,086 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 19:07:52,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 19:07:52,086 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 19:07:52,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 19:07:52,086 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 19:07:52,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 19:07:52,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 19:07:52,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 19:07:52,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 19:07:52,090 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 19:07:52,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 19:07:52,090 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 19:07:52,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 19:07:52,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 19:07:52,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 19:07:52,101 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 19:07:52,101 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 19:07:52,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 19:07:52,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 19:07:52,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 19:07:52,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 19:07:52,102 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 19:07:52,102 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 19:07:52,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 19:07:52,103 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 19:07:52,103 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 19:07:52,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 19:07:52,103 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 19:07:52,103 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 19:07:52,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 19:07:52,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 19:07:52,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 19:07:52,425 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 19:07:52,426 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 19:07:52,427 INFO L432 ainManager$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 [2021-07-14 19:07:52,427 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl' [2021-07-14 19:07:52,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 19:07:52,450 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 19:07:52,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 19:07:52,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 19:07:52,453 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 19:07:52,465 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 14.07 07:07:52" (1/1) ... [2021-07-14 19:07:52,474 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 14.07 07:07:52" (1/1) ... [2021-07-14 19:07:52,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 19:07:52,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 19:07:52,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 19:07:52,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 19:07:52,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:07:52" (1/1) ... [2021-07-14 19:07:52,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:07:52" (1/1) ... [2021-07-14 19:07:52,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:07:52" (1/1) ... [2021-07-14 19:07:52,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:07:52" (1/1) ... [2021-07-14 19:07:52,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:07:52" (1/1) ... [2021-07-14 19:07:52,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:07:52" (1/1) ... [2021-07-14 19:07:52,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:07:52" (1/1) ... [2021-07-14 19:07:52,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 19:07:52,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 19:07:52,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 19:07:52,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 19:07:52,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:07:52" (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 19:07:52,575 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 19:07:52,575 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 19:07:52,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 19:07:52,575 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 19:07:52,575 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 19:07:52,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 19:07:52,575 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 19:07:52,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 19:07:52,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 19:07:52,576 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 19:07:52,576 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 19:07:52,576 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 19:07:52,577 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 19:07:52,714 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 19:07:52,714 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 19:07:52,715 INFO L202 PluginConnector]: Adding new model array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:07:52 BoogieIcfgContainer [2021-07-14 19:07:52,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 19:07:52,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 19:07:52,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 19:07:52,719 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 19:07:52,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:07:52" (1/2) ... [2021-07-14 19:07:52,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f56dfb and model type array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 07:07:52, skipping insertion in model container [2021-07-14 19:07:52,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:07:52" (2/2) ... [2021-07-14 19:07:52,721 INFO L111 eAbstractionObserver]: Analyzing ICFG array-sum.wvr.bpl [2021-07-14 19:07:52,726 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 19:07:52,726 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 19:07:52,726 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 19:07:52,727 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 19:07:52,778 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 19:07:52,797 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 19:07:52,849 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 19:07:52,849 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 19:07:52,849 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 19:07:52,849 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 19:07:52,849 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 19:07:52,849 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 19:07:52,849 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 19:07:52,850 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 19:07:53,002 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:07:53,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:07:53,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1361519442, now seen corresponding path program 1 times [2021-07-14 19:07:53,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:07:53,015 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154744103] [2021-07-14 19:07:53,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:07:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:07:53,313 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 19:07:53,314 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:07:53,314 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154744103] [2021-07-14 19:07:53,315 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154744103] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:07:53,315 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080521595] [2021-07-14 19:07:53,315 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 19:07:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:07:53,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-14 19:07:53,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:07:53,562 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 19:07:53,562 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080521595] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:07:53,562 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:07:53,563 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2021-07-14 19:07:53,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431052608] [2021-07-14 19:07:53,567 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 19:07:53,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:07:53,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 19:07:53,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-07-14 19:07:53,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:07:53,580 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:07:53,581 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) [2021-07-14 19:07:53,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:07:53,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 19:07:53,940 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-14 19:07:53,940 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:07:53,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:07:53,941 INFO L82 PathProgramCache]: Analyzing trace with hash -749361960, now seen corresponding path program 2 times [2021-07-14 19:07:53,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:07:53,941 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418681361] [2021-07-14 19:07:53,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:07:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:07:54,037 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:07:54,037 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:07:54,038 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418681361] [2021-07-14 19:07:54,038 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418681361] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:07:54,038 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450189369] [2021-07-14 19:07:54,038 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 19:07:54,075 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 19:07:54,075 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:07:54,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 19:07:54,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:07:54,231 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 19:07:54,232 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450189369] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:07:54,232 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:07:54,232 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2021-07-14 19:07:54,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019030395] [2021-07-14 19:07:54,233 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 19:07:54,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:07:54,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 19:07:54,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-07-14 19:07:54,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:07:54,234 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:07:54,234 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) [2021-07-14 19:07:54,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 19:07:54,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:07:54,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 19:07:54,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 19:07:54,612 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:07:54,613 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:07:54,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:07:54,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1650076787, now seen corresponding path program 3 times [2021-07-14 19:07:54,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:07:54,614 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742113541] [2021-07-14 19:07:54,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:07:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:07:54,746 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 56 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 19:07:54,746 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:07:54,746 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742113541] [2021-07-14 19:07:54,746 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742113541] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:07:54,747 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452864750] [2021-07-14 19:07:54,747 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 19:07:54,799 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-14 19:07:54,800 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:07:54,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-14 19:07:54,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:07:55,050 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 3 proven. 53 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 19:07:55,050 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1452864750] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:07:55,050 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:07:55,050 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 19 [2021-07-14 19:07:55,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910448825] [2021-07-14 19:07:55,051 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 19:07:55,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:07:55,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 19:07:55,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2021-07-14 19:07:55,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:07:55,053 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:07:55,053 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) [2021-07-14 19:07:55,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 19:07:55,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 19:07:55,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:07:55,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 19:07:55,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 19:07:55,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:07:55,953 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:07:55,953 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:07:55,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:07:55,954 INFO L82 PathProgramCache]: Analyzing trace with hash 458580181, now seen corresponding path program 4 times [2021-07-14 19:07:55,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:07:55,954 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129705354] [2021-07-14 19:07:55,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:07:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:07:57,681 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 19:07:57,682 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:07:57,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129705354] [2021-07-14 19:07:57,682 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129705354] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:07:57,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665261064] [2021-07-14 19:07:57,682 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 19:07:57,732 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 19:07:57,732 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:07:57,734 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 64 conjunts are in the unsatisfiable core [2021-07-14 19:07:57,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:07:59,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:07:59,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:07:59,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:07:59,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:07:59,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:07:59,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:07:59,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:07:59,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:07:59,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:07:59,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:07:59,994 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:07:59,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:07:59,995 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:08:00,000 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 [2021-07-14 19:08:00,002 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:08:00,008 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:08:00,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:08:00,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:00,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:00,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:00,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:00,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:00,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:00,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:00,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:08:00,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:00,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:08:00,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:08:00,020 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 [2021-07-14 19:08:00,021 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 19:08:00,025 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:08:00,030 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 19:08:00,030 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:109, output treesize:3 [2021-07-14 19:08:00,078 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:08:00,078 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665261064] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:08:00,078 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:08:00,078 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32] total 62 [2021-07-14 19:08:00,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122854494] [2021-07-14 19:08:00,080 INFO L462 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-07-14 19:08:00,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:08:00,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-07-14 19:08:00,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=3526, Unknown=0, NotChecked=0, Total=3782 [2021-07-14 19:08:00,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:08:00,084 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:08:00,084 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) [2021-07-14 19:08:00,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 19:08:00,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 19:08:00,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:08:00,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:08:04,063 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 64 [2021-07-14 19:08:04,322 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2021-07-14 19:08:05,143 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-07-14 19:08:05,401 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2021-07-14 19:08:05,751 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2021-07-14 19:08:06,132 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-07-14 19:08:08,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 19:08:08,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 19:08:08,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 19:08:08,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 19:08:09,042 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:08:09,042 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:08:09,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:08:09,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1994641828, now seen corresponding path program 5 times [2021-07-14 19:08:09,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:08:09,043 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331357864] [2021-07-14 19:08:09,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:08:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:08:11,304 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 173 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 19:08:11,304 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:08:11,304 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331357864] [2021-07-14 19:08:11,304 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331357864] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:08:11,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270520035] [2021-07-14 19:08:11,305 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 19:08:11,355 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-14 19:08:11,356 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:08:11,357 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 79 conjunts are in the unsatisfiable core [2021-07-14 19:08:11,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:08:15,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:08:15,993 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-07-14 19:08:15,994 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:08:15,994 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 [2021-07-14 19:08:17,132 WARN L205 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 1198 DAG size of output: 968 [2021-07-14 19:08:17,852 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 1216 DAG size of output: 987 [2021-07-14 19:08:21,488 WARN L205 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 5927 DAG size of output: 2852 [2021-07-14 19:08:24,612 WARN L205 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 5944 DAG size of output: 2869 [2021-07-14 19:08:40,050 WARN L205 SmtUtils]: Spent 13.38 s on a formula simplification. DAG size of input: 17184 DAG size of output: 8706 [2021-07-14 19:08:55,468 WARN L205 SmtUtils]: Spent 14.73 s on a formula simplification. DAG size of input: 17212 DAG size of output: 8732 [2021-07-14 19:09:21,556 WARN L205 SmtUtils]: Spent 26.00 s on a formula simplification. DAG size of input: 8128 DAG size of output: 9253 [2021-07-14 19:09:47,594 WARN L205 SmtUtils]: Spent 25.90 s on a formula simplification. DAG size of input: 8115 DAG size of output: 8887 [2021-07-14 19:10:13,896 WARN L205 SmtUtils]: Spent 26.19 s on a formula simplification. DAG size of input: 8111 DAG size of output: 8264 [2021-07-14 19:10:25,272 WARN L205 SmtUtils]: Spent 11.27 s on a formula simplification. DAG size of input: 8105 DAG size of output: 8105 [2021-07-14 19:10:26,630 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 2216 DAG size of output: 2216 [2021-07-14 19:10:27,453 WARN L205 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 923 DAG size of output: 951 [2021-07-14 19:10:28,179 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 918 DAG size of output: 993 [2021-07-14 19:10:28,894 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 914 DAG size of output: 959 [2021-07-14 19:10:29,540 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 908 DAG size of output: 1069 [2021-07-14 19:10:30,106 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 823 DAG size of output: 832 [2021-07-14 19:10:30,341 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 815 DAG size of output: 815 [2021-07-14 19:10:31,121 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 440 [2021-07-14 19:10:31,293 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 661 DAG size of output: 573 [2021-07-14 19:10:31,562 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 813 DAG size of output: 708 [2021-07-14 19:10:31,850 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 961 DAG size of output: 860 [2021-07-14 19:10:32,003 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 657 [2021-07-14 19:10:32,820 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 1246 DAG size of output: 987 [2021-07-14 19:10:33,507 WARN L205 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 1919 DAG size of output: 1548 [2021-07-14 19:10:34,572 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 2133 DAG size of output: 1748 [2021-07-14 19:10:36,220 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 2493 DAG size of output: 2102 [2021-07-14 19:10:38,489 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 2778 DAG size of output: 2358 [2021-07-14 19:10:41,497 WARN L205 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 3011 DAG size of output: 2576 [2021-07-14 19:10:45,404 WARN L205 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 3409 DAG size of output: 2967 [2021-07-14 19:10:46,248 WARN L205 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 1618 DAG size of output: 1618 [2021-07-14 19:10:46,407 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 651 [2021-07-14 19:10:47,139 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 645 [2021-07-14 19:10:47,303 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 657 [2021-07-14 19:10:47,512 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 742 DAG size of output: 713 [2021-07-14 19:10:47,788 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 807 DAG size of output: 765 [2021-07-14 19:10:48,156 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 922 DAG size of output: 860 [2021-07-14 19:10:48,546 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 555 [2021-07-14 19:10:48,834 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 595 [2021-07-14 19:10:49,039 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 531 [2021-07-14 19:10:49,263 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 508 [2021-07-14 19:10:49,452 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 553 [2021-07-14 19:10:49,606 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 472 [2021-07-14 19:10:50,008 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 570 [2021-07-14 19:10:50,122 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 640 [2021-07-14 19:10:50,275 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 774 DAG size of output: 700 [2021-07-14 19:10:50,749 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 400 [2021-07-14 19:10:50,933 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 1015 DAG size of output: 817 [2021-07-14 19:10:51,342 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 1542 DAG size of output: 1299 [2021-07-14 19:10:51,943 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 1729 DAG size of output: 1483 [2021-07-14 19:10:52,874 WARN L205 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 1946 DAG size of output: 1700 [2021-07-14 19:10:53,967 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 2228 DAG size of output: 1991 [2021-07-14 19:10:55,407 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 2418 DAG size of output: 2173 [2021-07-14 19:10:57,226 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 2493 DAG size of output: 2244 [2021-07-14 19:10:59,456 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 2728 DAG size of output: 2471 [2021-07-14 19:11:02,519 WARN L205 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 3274 DAG size of output: 2958 [2021-07-14 19:11:03,965 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1299 DAG size of output: 1317 [2021-07-14 19:11:05,238 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1355 [2021-07-14 19:11:06,288 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1543 [2021-07-14 19:11:06,601 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 991 DAG size of output: 991 [2021-07-14 19:11:06,730 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 394 [2021-07-14 19:11:07,298 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 758 DAG size of output: 665 [2021-07-14 19:11:07,476 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 952 DAG size of output: 811 [2021-07-14 19:11:07,766 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 1138 DAG size of output: 982 [2021-07-14 19:11:07,957 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 814 DAG size of output: 814 [2021-07-14 19:11:08,642 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 745 DAG size of output: 638 [2021-07-14 19:11:08,849 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 918 DAG size of output: 805 [2021-07-14 19:11:09,133 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 632 [2021-07-14 19:11:09,423 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 685 [2021-07-14 19:11:10,114 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 1260 DAG size of output: 1024 [2021-07-14 19:11:10,593 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 1594 DAG size of output: 1327 [2021-07-14 19:11:11,409 WARN L205 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 2274 DAG size of output: 1896 [2021-07-14 19:11:12,792 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 3062 DAG size of output: 2534 [2021-07-14 19:11:15,039 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 3786 DAG size of output: 3233 [2021-07-14 19:11:18,263 WARN L205 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 4516 DAG size of output: 3899 [2021-07-14 19:11:22,713 WARN L205 SmtUtils]: Spent 4.42 s on a formula simplification. DAG size of input: 5270 DAG size of output: 4649 [2021-07-14 19:11:31,043 WARN L205 SmtUtils]: Spent 8.29 s on a formula simplification. DAG size of input: 7591 DAG size of output: 6705 [2021-07-14 19:11:45,210 WARN L205 SmtUtils]: Spent 14.12 s on a formula simplification. DAG size of input: 10174 DAG size of output: 8924 [2021-07-14 19:12:06,488 WARN L205 SmtUtils]: Spent 21.19 s on a formula simplification. DAG size of input: 6712 DAG size of output: 6987 [2021-07-14 19:12:25,831 WARN L205 SmtUtils]: Spent 19.26 s on a formula simplification. DAG size of input: 6709 DAG size of output: 7225 [2021-07-14 19:12:44,962 WARN L205 SmtUtils]: Spent 19.05 s on a formula simplification. DAG size of input: 6705 DAG size of output: 6927 [2021-07-14 19:12:45,261 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 895 DAG size of output: 895 [2021-07-14 19:12:45,397 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 447 [2021-07-14 19:12:45,978 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 756 DAG size of output: 643 [2021-07-14 19:12:46,154 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 971 DAG size of output: 836 [2021-07-14 19:12:46,317 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 682 [2021-07-14 19:12:46,893 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 689 [2021-07-14 19:12:47,416 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 462 [2021-07-14 19:12:47,546 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 421 [2021-07-14 19:12:47,779 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 688 DAG size of output: 584 [2021-07-14 19:12:48,046 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 1054 DAG size of output: 904 [2021-07-14 19:12:48,535 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 1612 DAG size of output: 1388 [2021-07-14 19:12:49,363 WARN L205 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 2258 DAG size of output: 1942 [2021-07-14 19:12:50,644 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 400 [2021-07-14 19:12:50,832 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 369 [2021-07-14 19:12:50,984 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 300 [2021-07-14 19:12:51,222 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 634 [2021-07-14 19:12:51,473 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 780 [2021-07-14 19:12:51,913 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 993 DAG size of output: 980 [2021-07-14 19:12:52,114 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 341 [2021-07-14 19:12:52,358 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 522 [2021-07-14 19:12:52,540 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 356 [2021-07-14 19:12:52,668 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 395 [2021-07-14 19:12:53,320 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 339 [2021-07-14 19:12:53,582 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 524 [2021-07-14 19:12:53,867 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 368 [2021-07-14 19:12:54,521 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 1069 DAG size of output: 926 [2021-07-14 19:12:54,872 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 686 DAG size of output: 728 [2021-07-14 19:12:55,547 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 754 DAG size of output: 599 [2021-07-14 19:12:56,280 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 1874 DAG size of output: 1455 [2021-07-14 19:12:56,869 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 1421 DAG size of output: 1421 [2021-07-14 19:12:57,199 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 1030 DAG size of output: 1030 [2021-07-14 19:12:57,392 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 853 DAG size of output: 853 [2021-07-14 19:12:57,964 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 764 DAG size of output: 673 [2021-07-14 19:12:58,146 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 905 DAG size of output: 797 [2021-07-14 19:12:58,455 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 703 [2021-07-14 19:12:58,824 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 1280 DAG size of output: 929 [2021-07-14 19:12:59,391 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 2154 DAG size of output: 1644 [2021-07-14 19:12:59,799 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 485 [2021-07-14 19:13:00,658 WARN L205 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 2613 DAG size of output: 1928 [2021-07-14 19:13:00,809 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 631 [2021-07-14 19:13:01,282 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 784 DAG size of output: 642 [2021-07-14 19:13:01,525 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 509 [2021-07-14 19:13:01,848 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 1018 DAG size of output: 794 [2021-07-14 19:13:02,108 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 1128 DAG size of output: 869 [2021-07-14 19:13:02,572 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 1668 DAG size of output: 1275 [2021-07-14 19:13:04,183 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 3898 DAG size of output: 2858 [2021-07-14 19:13:05,368 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 1304 DAG size of output: 1481 [2021-07-14 19:13:06,362 WARN L205 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1316 [2021-07-14 19:13:07,177 WARN L205 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 1209 DAG size of output: 1308 [2021-07-14 19:13:08,124 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 1671 DAG size of output: 1558 [2021-07-14 19:13:08,608 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 837 DAG size of output: 797 [2021-07-14 19:13:08,780 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 530 [2021-07-14 19:13:09,192 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 992 DAG size of output: 782 [2021-07-14 19:13:10,566 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 3838 DAG size of output: 3443 [2021-07-14 19:13:12,660 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 4530 DAG size of output: 4105 [2021-07-14 19:13:15,740 WARN L205 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 5275 DAG size of output: 4791 [2021-07-14 19:13:17,897 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 1774 DAG size of output: 1885 [2021-07-14 19:13:18,751 WARN L205 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 1765 DAG size of output: 1765 [2021-07-14 19:13:19,200 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 808 DAG size of output: 924 [2021-07-14 19:13:19,681 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 838 DAG size of output: 745 [2021-07-14 19:13:20,387 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 2075 DAG size of output: 1588 [2021-07-14 19:13:20,853 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 1314 DAG size of output: 1314 [2021-07-14 19:13:21,565 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1042 DAG size of output: 814 [2021-07-14 19:13:21,836 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 1330 DAG size of output: 976 [2021-07-14 19:13:22,250 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 1629 DAG size of output: 1157 [2021-07-14 19:13:22,373 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 379 [2021-07-14 19:13:22,743 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 674 [2021-07-14 19:13:22,954 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 832 DAG size of output: 832 [2021-07-14 19:13:23,106 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 479 [2021-07-14 19:13:23,434 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 927 DAG size of output: 799 [2021-07-14 19:13:23,851 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 461 [2021-07-14 19:13:24,394 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 1127 DAG size of output: 922 [2021-07-14 19:13:24,905 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 1995 DAG size of output: 1644 [2021-07-14 19:13:26,205 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 3690 DAG size of output: 2818 [2021-07-14 19:13:28,515 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 5125 DAG size of output: 3835 [2021-07-14 19:13:32,330 WARN L205 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 5951 DAG size of output: 4630 [2021-07-14 19:13:34,619 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 1769 DAG size of output: 1945 [2021-07-14 19:13:36,246 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 1610 DAG size of output: 1919 [2021-07-14 19:13:37,409 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 1310 DAG size of output: 1424 [2021-07-14 19:13:37,816 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 1211 DAG size of output: 1211 [2021-07-14 19:13:38,506 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 786 DAG size of output: 679 [2021-07-14 19:13:38,713 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 903 DAG size of output: 795 [2021-07-14 19:13:39,368 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 599 [2021-07-14 19:13:39,880 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 1546 DAG size of output: 1335 [2021-07-14 19:13:40,146 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 965 DAG size of output: 965 [2021-07-14 19:13:40,574 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1219 DAG size of output: 787 [2021-07-14 19:13:40,685 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 637 DAG size of output: 637 [2021-07-14 19:13:41,199 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1024 DAG size of output: 740 [2021-07-14 19:13:41,553 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 1975 DAG size of output: 1304 [2021-07-14 19:13:42,515 WARN L205 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 3191 DAG size of output: 2335 [2021-07-14 19:13:44,196 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 3937 DAG size of output: 3014 [2021-07-14 19:13:47,190 WARN L205 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 4943 DAG size of output: 4026 [2021-07-14 19:13:51,801 WARN L205 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 6073 DAG size of output: 4960 [2021-07-14 19:14:31,053 WARN L205 SmtUtils]: Spent 39.16 s on a formula simplification. DAG size of input: 28066 DAG size of output: 22479 [2021-07-14 19:15:25,075 WARN L205 SmtUtils]: Spent 53.84 s on a formula simplification. DAG size of input: 32371 DAG size of output: 26348 [2021-07-14 19:16:36,065 WARN L205 SmtUtils]: Spent 1.18 m on a formula simplification. DAG size of input: 36641 DAG size of output: 30476 [2021-07-14 19:18:13,006 WARN L205 SmtUtils]: Spent 1.61 m on a formula simplification. DAG size of input: 44088 DAG size of output: 36911 [2021-07-14 19:20:15,860 WARN L205 SmtUtils]: Spent 2.04 m on a formula simplification. DAG size of input: 49590 DAG size of output: 42033 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown