/usr/bin/java -Xmx16000000000 -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-Sleep-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 09:46:59,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 09:46:59,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 09:46:59,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 09:46:59,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 09:46:59,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 09:46:59,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 09:46:59,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 09:46:59,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 09:46:59,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 09:46:59,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 09:46:59,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-12 09:46:59,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 09:46:59,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 09:46:59,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 09:46:59,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 09:46:59,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 09:46:59,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 09:46:59,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 09:46:59,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 09:46:59,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 09:46:59,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 09:46:59,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 09:46:59,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 09:46:59,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-12 09:46:59,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 09:46:59,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 09:46:59,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 09:46:59,732 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-Sleep-NoLbe-Delay.epf [2021-03-12 09:46:59,758 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 09:46:59,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 09:46:59,759 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 09:46:59,759 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 09:46:59,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 09:46:59,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 09:46:59,761 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 09:46:59,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 09:46:59,762 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 09:46:59,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 09:46:59,762 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 09:46:59,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 09:46:59,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 09:46:59,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 09:46:59,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 09:46:59,763 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 09:46:59,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 09:46:59,763 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 09:46:59,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 09:46:59,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 09:46:59,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 09:46:59,763 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 09:46:59,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 09:46:59,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 09:46:59,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 09:46:59,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 09:46:59,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 09:46:59,764 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 09:46:59,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 09:46:59,764 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 09:46:59,764 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 09:46:59,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 09:46:59,765 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 09:46:59,765 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 09:46:59,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 09:47:00,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 09:47:00,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 09:47:00,022 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 09:47:00,023 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 09:47:00,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl [2021-03-12 09:47:00,024 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl' [2021-03-12 09:47:00,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 09:47:00,136 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 09:47:00,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 09:47:00,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 09:47:00,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 09:47:00,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:47:00" (1/1) ... [2021-03-12 09:47:00,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:47:00" (1/1) ... [2021-03-12 09:47:00,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 09:47:00,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 09:47:00,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 09:47:00,154 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 09:47:00,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:47:00" (1/1) ... [2021-03-12 09:47:00,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:47:00" (1/1) ... [2021-03-12 09:47:00,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:47:00" (1/1) ... [2021-03-12 09:47:00,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:47:00" (1/1) ... [2021-03-12 09:47:00,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:47:00" (1/1) ... [2021-03-12 09:47:00,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:47:00" (1/1) ... [2021-03-12 09:47:00,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:47:00" (1/1) ... [2021-03-12 09:47:00,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 09:47:00,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 09:47:00,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 09:47:00,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 09:47:00,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:47:00" (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 [2021-03-12 09:47:00,208 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-12 09:47:00,208 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 09:47:00,208 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 09:47:00,208 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-12 09:47:00,208 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-12 09:47:00,208 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-12 09:47:00,208 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-12 09:47:00,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 09:47:00,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 09:47:00,209 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 09:47:00,324 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 09:47:00,324 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-12 09:47:00,325 INFO L202 PluginConnector]: Adding new model counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 09:47:00 BoogieIcfgContainer [2021-03-12 09:47:00,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 09:47:00,326 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 09:47:00,326 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 09:47:00,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 09:47:00,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:47:00" (1/2) ... [2021-03-12 09:47:00,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19850116 and model type counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 09:47:00, skipping insertion in model container [2021-03-12 09:47:00,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 09:47:00" (2/2) ... [2021-03-12 09:47:00,329 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-queue.wvr.bpl [2021-03-12 09:47:00,333 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 09:47:00,333 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 09:47:00,335 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 09:47:00,336 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 09:47:00,353 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-03-12 09:47:00,363 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-03-12 09:47:00,404 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 09:47:00,404 INFO L377 AbstractCegarLoop]: Hoare is true Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-12 09:47:00,405 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 09:47:00,409 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 09:47:00,409 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 09:47:00,409 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 09:47:00,410 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 09:47:00,410 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 09:47:00,462 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:47:00,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:47:00,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1635099045, now seen corresponding path program 1 times [2021-03-12 09:47:00,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:47:00,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603301198] [2021-03-12 09:47:00,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:47:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:47:00,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:47:00,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603301198] [2021-03-12 09:47:00,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 09:47:00,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 09:47:00,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236401634] [2021-03-12 09:47:00,590 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 09:47:00,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:47:00,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 09:47:00,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 09:47:00,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:47:00,606 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:47:00,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-03-12 09:47:00,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:47:00,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:47:00,633 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 09:47:00,633 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:47:00,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:47:00,639 INFO L82 PathProgramCache]: Analyzing trace with hash 2119693475, now seen corresponding path program 1 times [2021-03-12 09:47:00,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:47:00,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474233993] [2021-03-12 09:47:00,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:47:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:47:00,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:47:00,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474233993] [2021-03-12 09:47:00,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281877495] [2021-03-12 09:47:00,728 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) [2021-03-12 09:47:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:47:00,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjunts are in the unsatisfiable core Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:47:00,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:47:00,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:47:00,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:47:00,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-03-12 09:47:00,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640990960] [2021-03-12 09:47:00,882 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-12 09:47:00,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:47:00,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-12 09:47:00,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-03-12 09:47:00,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:47:00,882 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:47:00,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:47:00,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:47:00,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:47:00,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:47:00,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 09:47:01,171 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:47:01,172 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:47:01,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:47:01,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1624375643, now seen corresponding path program 1 times [2021-03-12 09:47:01,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:47:01,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050546885] [2021-03-12 09:47:01,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:47:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:47:01,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:47:01,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050546885] [2021-03-12 09:47:01,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332525222] [2021-03-12 09:47:01,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) [2021-03-12 09:47:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:47:01,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-12 09:47:01,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:47:01,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 09:47:01,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-03-12 09:47:01,514 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 09:47:01,519 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 09:47:01,521 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 09:47:01,521 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:7 [2021-03-12 09:47:01,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:47:01,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:47:01,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-12 09:47:01,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340347024] [2021-03-12 09:47:01,541 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-12 09:47:01,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:47:01,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-12 09:47:01,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-03-12 09:47:01,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:47:01,542 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:47:01,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:47:01,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:47:01,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 09:47:01,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:47:01,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:47:01,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 09:47:01,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:47:01,802 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:47:01,802 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:47:01,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:47:01,803 INFO L82 PathProgramCache]: Analyzing trace with hash 210936483, now seen corresponding path program 2 times [2021-03-12 09:47:01,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:47:01,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652097954] [2021-03-12 09:47:01,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:47:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:47:01,865 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:47:01,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652097954] [2021-03-12 09:47:01,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583099905] [2021-03-12 09:47:01,866 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 09:47:01,896 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 09:47:01,897 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:47:01,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-12 09:47:01,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:47:02,023 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:47:02,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:47:02,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2021-03-12 09:47:02,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237294365] [2021-03-12 09:47:02,025 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-12 09:47:02,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:47:02,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-12 09:47:02,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-03-12 09:47:02,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:47:02,027 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:47:02,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.357142857142857) internal successors, (33), 13 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:47:02,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:47:02,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 09:47:02,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:47:02,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:47:02,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:47:02,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 09:47:02,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:47:02,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:47:02,393 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:47:02,394 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:47:02,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:47:02,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1988809563, now seen corresponding path program 3 times [2021-03-12 09:47:02,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:47:02,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525098483] [2021-03-12 09:47:02,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:47:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:47:02,518 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:47:02,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525098483] [2021-03-12 09:47:02,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787273521] [2021-03-12 09:47:02,519 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 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 [2021-03-12 09:47:02,547 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-12 09:47:02,548 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:47:02,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-12 09:47:02,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:47:02,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:02,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:02,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 09:47:02,871 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 09:47:02,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 27 [2021-03-12 09:47:02,886 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-12 09:47:02,901 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 09:47:02,914 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-12 09:47:02,914 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:55, output treesize:24 [2021-03-12 09:47:02,969 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:47:02,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:47:02,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 15 [2021-03-12 09:47:02,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417356561] [2021-03-12 09:47:02,970 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-12 09:47:02,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:47:02,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-12 09:47:02,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2021-03-12 09:47:02,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:47:02,971 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:47:02,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.3125) internal successors, (37), 15 states have internal predecessors, (37), 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) [2021-03-12 09:47:02,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:47:02,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 09:47:02,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:47:02,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:47:02,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:47:03,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:47:03,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 09:47:03,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:47:03,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:47:03,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:47:03,339 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:47:03,339 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:47:03,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:47:03,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1839673567, now seen corresponding path program 4 times [2021-03-12 09:47:03,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:47:03,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805094473] [2021-03-12 09:47:03,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:47:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:47:03,432 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:47:03,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805094473] [2021-03-12 09:47:03,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893267443] [2021-03-12 09:47:03,433 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 09:47:03,460 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 09:47:03,460 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:47:03,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-12 09:47:03,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:47:03,594 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:47:03,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:47:03,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2021-03-12 09:47:03,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613176116] [2021-03-12 09:47:03,595 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-12 09:47:03,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:47:03,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-12 09:47:03,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2021-03-12 09:47:03,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:47:03,596 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:47:03,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.25) internal successors, (45), 19 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:47:03,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:47:03,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 09:47:03,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:47:03,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:47:03,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:47:03,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:47:03,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:47:03,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 09:47:03,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:47:03,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:47:03,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:47:03,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 09:47:04,063 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:47:04,064 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:47:04,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:47:04,064 INFO L82 PathProgramCache]: Analyzing trace with hash -40043611, now seen corresponding path program 5 times [2021-03-12 09:47:04,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:47:04,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919978915] [2021-03-12 09:47:04,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:47:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:47:04,409 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:47:04,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919978915] [2021-03-12 09:47:04,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196399686] [2021-03-12 09:47:04,411 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:47:04,440 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-03-12 09:47:04,441 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:47:04,441 WARN L261 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 35 conjunts are in the unsatisfiable core [2021-03-12 09:47:04,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:47:04,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:04,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:04,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:04,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:04,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:04,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 09:47:04,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:04,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:04,765 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 09:47:04,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:04,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:04,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 09:47:04,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 09:47:04,767 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 69 treesize of output 7 [2021-03-12 09:47:04,768 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 09:47:04,773 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 09:47:04,774 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 09:47:04,774 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:7 [2021-03-12 09:47:04,798 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:47:04,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:47:04,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 24 [2021-03-12 09:47:04,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605984616] [2021-03-12 09:47:04,799 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-03-12 09:47:04,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:47:04,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-03-12 09:47:04,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=517, Unknown=0, NotChecked=0, Total=600 [2021-03-12 09:47:04,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:47:04,800 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:47:04,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.12) internal successors, (53), 24 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:47:04,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:47:04,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 09:47:04,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:47:04,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:47:04,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:47:04,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 09:47:04,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:47:05,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:47:05,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 09:47:05,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:47:05,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:47:05,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:47:05,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 09:47:05,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-12 09:47:05,783 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-03-12 09:47:05,783 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:47:05,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:47:05,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1812733093, now seen corresponding path program 6 times [2021-03-12 09:47:05,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:47:05,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524329855] [2021-03-12 09:47:05,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:47:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:47:06,226 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:47:06,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524329855] [2021-03-12 09:47:06,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991225118] [2021-03-12 09:47:06,227 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:47:06,252 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-03-12 09:47:06,252 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:47:06,253 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 47 conjunts are in the unsatisfiable core [2021-03-12 09:47:06,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:47:07,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:07,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:07,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:07,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:07,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:07,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 09:47:07,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:07,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:07,197 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 09:47:07,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:07,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 09:47:07,201 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 09:47:07,245 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 09:47:07,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 81 treesize of output 95 [2021-03-12 09:47:07,279 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-03-12 09:47:07,324 INFO L628 ElimStorePlain]: treesize reduction 280, result has 11.1 percent of original size [2021-03-12 09:47:07,346 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-12 09:47:07,346 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:103, output treesize:22 [2021-03-12 09:47:07,421 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:47:07,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:47:07,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 33 [2021-03-12 09:47:07,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268302147] [2021-03-12 09:47:07,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-03-12 09:47:07,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:47:07,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-03-12 09:47:07,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=990, Unknown=0, NotChecked=0, Total=1122 [2021-03-12 09:47:07,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:47:07,423 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:47:07,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.7941176470588236) internal successors, (61), 33 states have internal predecessors, (61), 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) [2021-03-12 09:47:07,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:47:07,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 09:47:07,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:47:07,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:47:07,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:47:07,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 09:47:07,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-12 09:47:07,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:47:08,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:47:08,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 09:47:08,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:47:08,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:47:08,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:47:08,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 09:47:08,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-12 09:47:08,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:47:09,031 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-03-12 09:47:09,032 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:47:09,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:47:09,032 INFO L82 PathProgramCache]: Analyzing trace with hash -668528987, now seen corresponding path program 7 times [2021-03-12 09:47:09,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:47:09,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425460999] [2021-03-12 09:47:09,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:47:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:47:09,427 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:47:09,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425460999] [2021-03-12 09:47:09,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81230289] [2021-03-12 09:47:09,428 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:47:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:47:09,451 WARN L261 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 51 conjunts are in the unsatisfiable core [2021-03-12 09:47:09,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:47:10,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:10,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:10,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:10,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:10,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:10,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:10,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:10,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:10,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 09:47:10,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:10,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:10,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:10,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:10,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:10,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:10,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:10,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 09:47:10,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:10,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:10,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:10,033 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 09:47:10,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:10,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:10,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:10,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:10,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:10,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 09:47:10,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 09:47:10,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:10,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:10,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 09:47:10,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 7 [2021-03-12 09:47:10,041 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 09:47:10,046 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 09:47:10,048 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 09:47:10,048 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:107, output treesize:7 [2021-03-12 09:47:10,071 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:47:10,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:47:10,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16] total 32 [2021-03-12 09:47:10,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834844269] [2021-03-12 09:47:10,072 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-03-12 09:47:10,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:47:10,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-03-12 09:47:10,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=934, Unknown=0, NotChecked=0, Total=1056 [2021-03-12 09:47:10,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:47:10,072 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:47:10,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.090909090909091) internal successors, (69), 32 states have internal predecessors, (69), 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) [2021-03-12 09:47:10,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:47:10,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 09:47:10,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:47:10,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:47:10,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:47:10,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 09:47:10,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-12 09:47:10,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:47:10,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:47:11,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:47:11,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 09:47:11,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:47:11,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:47:11,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:47:11,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 09:47:11,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-12 09:47:11,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:47:11,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:47:11,697 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:47:11,697 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:47:11,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:47:11,698 INFO L82 PathProgramCache]: Analyzing trace with hash 2110591397, now seen corresponding path program 8 times [2021-03-12 09:47:11,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:47:11,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717394226] [2021-03-12 09:47:11,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:47:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:47:12,266 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 16 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:47:12,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717394226] [2021-03-12 09:47:12,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573316320] [2021-03-12 09:47:12,266 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:47:12,287 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 09:47:12,288 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:47:12,288 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 59 conjunts are in the unsatisfiable core [2021-03-12 09:47:12,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:47:13,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 09:47:13,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,044 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 09:47:13,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 09:47:13,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 09:47:13,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 09:47:13,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:13,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 09:47:13,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 09:47:13,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 7 [2021-03-12 09:47:13,084 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 09:47:13,089 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 09:47:13,090 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 09:47:13,090 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:123, output treesize:7 [2021-03-12 09:47:13,115 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:47:13,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:47:13,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18] total 36 [2021-03-12 09:47:13,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080878956] [2021-03-12 09:47:13,116 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-03-12 09:47:13,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:47:13,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-03-12 09:47:13,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=1192, Unknown=0, NotChecked=0, Total=1332 [2021-03-12 09:47:13,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:47:13,117 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:47:13,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.081081081081081) internal successors, (77), 36 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) [2021-03-12 09:47:13,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:47:13,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 09:47:13,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:47:13,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:47:13,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:47:13,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 09:47:13,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-12 09:47:13,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:47:13,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:47:13,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:47:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:47:14,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 09:47:14,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:47:14,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:47:14,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:47:14,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 09:47:14,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-12 09:47:14,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:47:14,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:47:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-12 09:47:15,158 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:47:15,159 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:47:15,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:47:15,159 INFO L82 PathProgramCache]: Analyzing trace with hash -900897371, now seen corresponding path program 9 times [2021-03-12 09:47:15,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:47:15,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252052947] [2021-03-12 09:47:15,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:47:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:47:15,773 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 25 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:47:15,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252052947] [2021-03-12 09:47:15,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652406308] [2021-03-12 09:47:15,773 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:47:15,804 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-03-12 09:47:15,805 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:47:15,806 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 71 conjunts are in the unsatisfiable core [2021-03-12 09:47:15,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:47:20,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:20,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:20,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 09:47:20,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:20,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:20,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:20,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:20,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:20,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 09:47:20,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:20,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:20,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:20,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:20,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:20,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:20,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:20,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:20,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:20,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:20,530 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 09:47:20,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:20,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:20,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:20,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:20,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:20,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:20,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:20,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:20,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 09:47:20,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:20,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:47:20,796 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2021-03-12 09:47:20,797 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 09:47:20,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 24 disjoint index pairs (out of 120 index pairs), introduced 12 new quantified variables, introduced 74 case distinctions, treesize of input 141 treesize of output 487 [2021-03-12 09:47:22,430 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 675 [2021-03-12 09:47:22,578 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 688 DAG size of output: 707 [2021-03-12 09:47:23,971 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 843 [2021-03-12 09:47:24,606 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 1079 DAG size of output: 1083 [2021-03-12 09:47:24,928 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 1517 DAG size of output: 1537 [2021-03-12 09:47:25,281 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 1517 DAG size of output: 1537 [2021-03-12 09:47:25,613 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 1528 DAG size of output: 1548 [2021-03-12 09:47:25,960 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 1098 DAG size of output: 1533 [2021-03-12 09:47:26,143 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 1093 [2021-03-12 09:47:26,247 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 853 [2021-03-12 09:47:26,397 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 905 [2021-03-12 09:47:26,552 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 898 [2021-03-12 09:47:26,700 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 681 DAG size of output: 839 [2021-03-12 09:47:28,952 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 3304 DAG size of output: 2750 [2021-03-12 09:47:29,528 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 3643 DAG size of output: 3108 [2021-03-12 09:47:30,180 WARN L205 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 3980 DAG size of output: 3430 [2021-03-12 09:47:31,073 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1130 DAG size of output: 1028 [2021-03-12 09:47:31,215 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1319 DAG size of output: 1225 [2021-03-12 09:47:31,399 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 1490 DAG size of output: 1392 [2021-03-12 09:47:31,620 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 1687 DAG size of output: 1594 [2021-03-12 09:47:32,549 WARN L205 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 5107 DAG size of output: 4480 [2021-03-12 09:47:33,384 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 747 DAG size of output: 717 [2021-03-12 09:47:33,962 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 1028 [2021-03-12 09:47:34,182 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1200 [2021-03-12 09:47:34,946 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 1496 DAG size of output: 1427 [2021-03-12 09:47:36,254 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 6251 DAG size of output: 5555 [2021-03-12 09:47:37,831 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 6269 DAG size of output: 5573 [2021-03-12 09:47:38,134 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 958 [2021-03-12 09:47:38,426 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 746 DAG size of output: 1142 [2021-03-12 09:47:38,621 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 842 [2021-03-12 09:47:38,788 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 703 [2021-03-12 09:47:38,941 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 803 [2021-03-12 09:47:39,085 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 603 [2021-03-12 09:47:39,371 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 802 [2021-03-12 09:47:40,647 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 1587 DAG size of output: 1528 [2021-03-12 09:47:41,032 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 2039 DAG size of output: 2006 [2021-03-12 09:47:41,580 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 2323 DAG size of output: 2289 [2021-03-12 09:47:42,174 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 2614 DAG size of output: 2596 [2021-03-12 09:47:42,325 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 595 [2021-03-12 09:47:44,419 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 994 DAG size of output: 979 [2021-03-12 09:47:45,348 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 374 [2021-03-12 09:47:46,573 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 774 DAG size of output: 742 [2021-03-12 09:47:46,900 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 1290 DAG size of output: 1239 [2021-03-12 09:47:47,408 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 2522 DAG size of output: 2461 [2021-03-12 09:47:48,230 WARN L205 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 2870 DAG size of output: 2831 [2021-03-12 09:47:49,120 WARN L205 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 3148 DAG size of output: 3120 [2021-03-12 09:47:50,674 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 4726 DAG size of output: 4684 [2021-03-12 09:47:50,945 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 644 DAG size of output: 658 [2021-03-12 09:47:53,322 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 924 DAG size of output: 903 [2021-03-12 09:47:53,537 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 1415 DAG size of output: 1388 [2021-03-12 09:47:53,817 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 1987 DAG size of output: 1948 [2021-03-12 09:47:54,192 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 2293 DAG size of output: 2253 [2021-03-12 09:47:55,076 WARN L205 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 3243 DAG size of output: 3084 [2021-03-12 09:47:57,473 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 6769 DAG size of output: 6528 [2021-03-12 09:47:57,644 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 711 DAG size of output: 711 [2021-03-12 09:47:57,994 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 679 [2021-03-12 09:47:59,161 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1024 DAG size of output: 999 [2021-03-12 09:48:00,134 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 795 DAG size of output: 779 [2021-03-12 09:48:00,557 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 1025 DAG size of output: 1006 [2021-03-12 09:48:01,532 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 1489 DAG size of output: 1430 [2021-03-12 09:48:01,927 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 2207 DAG size of output: 2121 [2021-03-12 09:48:03,055 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 905 DAG size of output: 877 [2021-03-12 09:48:03,654 WARN L205 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 2701 DAG size of output: 2588 [2021-03-12 09:48:04,669 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 3959 DAG size of output: 3562 [2021-03-12 09:48:08,275 WARN L205 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 10160 DAG size of output: 9467 [2021-03-12 09:48:12,281 WARN L205 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 10430 DAG size of output: 9744 [2021-03-12 09:48:18,243 WARN L205 SmtUtils]: Spent 5.91 s on a formula simplification. DAG size of input: 15653 DAG size of output: 14304 [2021-03-12 09:48:24,204 WARN L205 SmtUtils]: Spent 5.89 s on a formula simplification. DAG size of input: 15653 DAG size of output: 14304 [2021-03-12 09:48:30,322 WARN L205 SmtUtils]: Spent 5.98 s on a formula simplification. DAG size of input: 15657 DAG size of output: 14308 [2021-03-12 09:48:35,162 WARN L205 SmtUtils]: Spent 4.76 s on a formula simplification. DAG size of input: 14308 DAG size of output: 13917 [2021-03-12 09:48:37,822 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 5414 DAG size of output: 7882 [2021-03-12 09:48:40,039 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 4584 DAG size of output: 5931 [2021-03-12 09:48:42,057 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 4441 DAG size of output: 6515 [2021-03-12 09:48:43,856 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 3883 DAG size of output: 5838 [2021-03-12 09:48:45,255 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 3067 DAG size of output: 4145 [2021-03-12 09:48:45,879 WARN L205 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 2875 DAG size of output: 2857 [2021-03-12 09:48:46,054 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 940 [2021-03-12 09:48:47,871 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 940 [2021-03-12 09:48:48,385 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 1386 DAG size of output: 1202 [2021-03-12 09:48:48,681 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 1887 DAG size of output: 1606 [2021-03-12 09:48:49,087 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 2148 DAG size of output: 1886 [2021-03-12 09:48:49,557 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 2840 [2021-03-12 09:48:49,844 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 2090 [2021-03-12 09:48:50,045 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 877 DAG size of output: 1189 [2021-03-12 09:48:50,213 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 946 [2021-03-12 09:48:51,454 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 1015 [2021-03-12 09:48:51,641 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 1594 DAG size of output: 1525 [2021-03-12 09:48:51,924 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 2048 DAG size of output: 1945 [2021-03-12 09:48:52,111 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 1520 [2021-03-12 09:48:52,248 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2021-03-12 09:48:54,655 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1817 DAG size of output: 1498 [2021-03-12 09:48:55,061 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 2416 DAG size of output: 2145 [2021-03-12 09:48:57,496 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 1351 DAG size of output: 1208 [2021-03-12 09:48:58,047 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 3980 DAG size of output: 3586 [2021-03-12 09:48:58,906 WARN L205 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 5535 DAG size of output: 5044 [2021-03-12 09:48:59,248 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 991 DAG size of output: 1398 [2021-03-12 09:48:59,386 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 891 DAG size of output: 891 [2021-03-12 09:49:00,472 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1196 DAG size of output: 1143 [2021-03-12 09:49:03,358 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 1821 DAG size of output: 1702 [2021-03-12 09:49:03,749 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 2704 DAG size of output: 2539 [2021-03-12 09:49:04,267 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 3174 DAG size of output: 2934 [2021-03-12 09:49:05,763 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 8127 DAG size of output: 7385 [2021-03-12 09:49:07,799 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 8478 DAG size of output: 7727 [2021-03-12 09:49:10,528 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 10461 DAG size of output: 9717 [2021-03-12 09:49:14,181 WARN L205 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 13280 DAG size of output: 12288 [2021-03-12 09:49:19,037 WARN L205 SmtUtils]: Spent 4.79 s on a formula simplification. DAG size of input: 16464 DAG size of output: 15458 [2021-03-12 09:49:25,057 WARN L205 SmtUtils]: Spent 5.93 s on a formula simplification. DAG size of input: 19634 DAG size of output: 18616 [2021-03-12 09:49:32,672 WARN L205 SmtUtils]: Spent 7.50 s on a formula simplification. DAG size of input: 23919 DAG size of output: 22472 [2021-03-12 09:49:38,643 WARN L205 SmtUtils]: Spent 5.85 s on a formula simplification. DAG size of input: 9504 DAG size of output: 11647 [2021-03-12 09:49:41,406 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 9446 DAG size of output: 9446 [2021-03-12 09:49:42,272 WARN L205 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 2524 DAG size of output: 3186 [2021-03-12 09:49:42,969 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 972 DAG size of output: 951 [2021-03-12 09:49:43,543 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1007 DAG size of output: 954 [2021-03-12 09:49:44,615 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 685 [2021-03-12 09:49:45,570 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 1322 DAG size of output: 1255 [2021-03-12 09:49:46,806 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 5396 DAG size of output: 4973 [2021-03-12 09:49:48,388 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 978 DAG size of output: 1170 [2021-03-12 09:49:48,497 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 844 DAG size of output: 830 [2021-03-12 09:49:49,415 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 588 DAG size of output: 774 [2021-03-12 09:49:50,208 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 1083 DAG size of output: 1011 [2021-03-12 09:49:50,483 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 2007 DAG size of output: 1914 [2021-03-12 09:49:50,919 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 2531 DAG size of output: 2441 [2021-03-12 09:49:51,519 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 713 [2021-03-12 09:49:51,643 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 643 [2021-03-12 09:49:53,551 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 1387 DAG size of output: 1295 [2021-03-12 09:49:53,894 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 1613 DAG size of output: 1522 [2021-03-12 09:49:55,074 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 509 [2021-03-12 09:49:55,800 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 1132 DAG size of output: 1102 [2021-03-12 09:49:56,461 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 2429 DAG size of output: 2309 [2021-03-12 09:49:57,407 WARN L205 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 2996 DAG size of output: 4045 [2021-03-12 09:49:57,566 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 716 DAG size of output: 909 [2021-03-12 09:49:58,460 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1274 DAG size of output: 1236 [2021-03-12 09:49:58,702 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 1709 DAG size of output: 1652 [2021-03-12 09:49:58,820 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 991 DAG size of output: 991 [2021-03-12 09:50:00,888 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 975 DAG size of output: 968 [2021-03-12 09:50:01,067 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 1488 DAG size of output: 1473 [2021-03-12 09:50:01,205 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 797 [2021-03-12 09:50:01,330 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 529 DAG size of output: 768 [2021-03-12 09:50:02,111 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1282 DAG size of output: 1199 [2021-03-12 09:50:02,396 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 1475 DAG size of output: 1391 [2021-03-12 09:50:03,762 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 6551 DAG size of output: 6162 [2021-03-12 09:50:05,329 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 3491 DAG size of output: 5289 [2021-03-12 09:50:07,935 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 1094 DAG size of output: 1094 [2021-03-12 09:50:08,960 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 859 DAG size of output: 841 [2021-03-12 09:50:09,117 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 906 [2021-03-12 09:50:10,045 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 740 [2021-03-12 09:50:12,787 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 975 DAG size of output: 949 [2021-03-12 09:50:12,975 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 1337 DAG size of output: 1295 [2021-03-12 09:50:13,237 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 1655 DAG size of output: 1611 [2021-03-12 09:50:13,656 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 2285 DAG size of output: 2226 [2021-03-12 09:50:13,845 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 801 DAG size of output: 1043 [2021-03-12 09:50:14,326 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 717 [2021-03-12 09:50:15,295 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 1275 DAG size of output: 1180 [2021-03-12 09:50:15,937 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 1847 DAG size of output: 1731 [2021-03-12 09:50:16,273 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 2331 DAG size of output: 2192 [2021-03-12 09:50:18,309 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 9561 DAG size of output: 8891 [2021-03-12 09:50:18,603 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 1044 [2021-03-12 09:50:18,718 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 708 DAG size of output: 717 [2021-03-12 09:50:19,704 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 934 DAG size of output: 940 [2021-03-12 09:50:19,867 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 823 [2021-03-12 09:50:20,965 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 742 DAG size of output: 718 [2021-03-12 09:50:22,308 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 949 DAG size of output: 947 [2021-03-12 09:50:22,573 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 1484 DAG size of output: 1457 [2021-03-12 09:50:22,773 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 718 [2021-03-12 09:50:24,543 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 861 [2021-03-12 09:50:24,743 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 1216 DAG size of output: 1207 [2021-03-12 09:50:25,257 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 2422 DAG size of output: 2384 [2021-03-12 09:50:26,408 WARN L205 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 3257 DAG size of output: 3232 [2021-03-12 09:50:27,314 WARN L205 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 3693 DAG size of output: 3672 [2021-03-12 09:50:35,877 WARN L205 SmtUtils]: Spent 8.51 s on a formula simplification. DAG size of input: 26711 DAG size of output: 24900 [2021-03-12 09:50:47,833 WARN L205 SmtUtils]: Spent 11.79 s on a formula simplification. DAG size of input: 31609 DAG size of output: 29710 [2021-03-12 09:51:08,554 WARN L205 SmtUtils]: Spent 20.51 s on a formula simplification. DAG size of input: 52686 DAG size of output: 49416 [2021-03-12 09:51:29,255 WARN L205 SmtUtils]: Spent 20.41 s on a formula simplification. DAG size of input: 52686 DAG size of output: 49416 [2021-03-12 09:51:50,358 WARN L205 SmtUtils]: Spent 20.62 s on a formula simplification. DAG size of input: 52689 DAG size of output: 49419 [2021-03-12 09:52:28,585 WARN L205 SmtUtils]: Spent 37.83 s on a formula simplification. DAG size of input: 49421 DAG size of output: 69661 [2021-03-12 09:52:31,088 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 4322 DAG size of output: 6189 [2021-03-12 09:52:33,319 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 4300 DAG size of output: 6239 [2021-03-12 09:52:34,224 WARN L205 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 3741 DAG size of output: 3590 [2021-03-12 09:52:34,435 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 835 [2021-03-12 09:52:37,305 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 1663 DAG size of output: 1541 [2021-03-12 09:52:37,599 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 2258 DAG size of output: 2121 [2021-03-12 09:52:37,975 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 2606 DAG size of output: 2456 [2021-03-12 09:52:39,270 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1040 DAG size of output: 949 [2021-03-12 09:52:39,460 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 1131 DAG size of output: 1031 [2021-03-12 09:52:40,016 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 3505 DAG size of output: 3260 [2021-03-12 09:52:41,410 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 3576 DAG size of output: 5163 [2021-03-12 09:52:42,060 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 3312 DAG size of output: 3290 [2021-03-12 09:52:42,946 WARN L205 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 2603 DAG size of output: 3717 [2021-03-12 09:52:43,255 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 2029 DAG size of output: 1909 [2021-03-12 09:52:43,415 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1406 DAG size of output: 1366 [2021-03-12 09:52:43,648 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1607 [2021-03-12 09:52:45,184 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 2399 DAG size of output: 2097 [2021-03-12 09:52:46,780 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1347 DAG size of output: 1245 [2021-03-12 09:52:47,203 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 3462 DAG size of output: 3083 [2021-03-12 09:52:47,414 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 810 DAG size of output: 1109 [2021-03-12 09:52:49,055 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1328 DAG size of output: 1253 [2021-03-12 09:52:49,888 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 1990 DAG size of output: 1869 [2021-03-12 09:52:50,214 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 2275 DAG size of output: 2112 [2021-03-12 09:52:51,041 WARN L205 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 5137 DAG size of output: 4607 [2021-03-12 09:52:52,304 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 7095 DAG size of output: 6449 [2021-03-12 09:52:52,650 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 931 DAG size of output: 1361 [2021-03-12 09:52:52,801 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 853 DAG size of output: 846 [2021-03-12 09:52:54,797 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1168 DAG size of output: 1072 [2021-03-12 09:52:55,548 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 734 [2021-03-12 09:52:57,031 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 927 DAG size of output: 821 [2021-03-12 09:52:57,165 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1166 DAG size of output: 1027 [2021-03-12 09:52:57,355 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 1359 DAG size of output: 1168 [2021-03-12 09:52:57,822 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 2823 DAG size of output: 2472 [2021-03-12 09:52:58,510 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 3525 DAG size of output: 3168 [2021-03-12 09:53:00,533 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 10054 DAG size of output: 9072 [2021-03-12 09:53:03,277 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 12240 DAG size of output: 10879 [2021-03-12 09:53:06,860 WARN L205 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 13019 DAG size of output: 11611 [2021-03-12 09:53:11,537 WARN L205 SmtUtils]: Spent 4.61 s on a formula simplification. DAG size of input: 16139 DAG size of output: 14386 [2021-03-12 09:53:17,446 WARN L205 SmtUtils]: Spent 5.82 s on a formula simplification. DAG size of input: 18006 DAG size of output: 16073 [2021-03-12 09:53:17,728 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 1030 [2021-03-12 09:53:18,707 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 1574 DAG size of output: 1437 [2021-03-12 09:53:20,160 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 1406 DAG size of output: 1308 [2021-03-12 09:53:22,751 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1010 DAG size of output: 1010 [2021-03-12 09:53:24,957 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 2025 DAG size of output: 1692 [2021-03-12 09:53:26,787 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1408 DAG size of output: 1317 [2021-03-12 09:53:27,000 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 1813 DAG size of output: 1677 [2021-03-12 09:53:27,305 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 868 DAG size of output: 1193 [2021-03-12 09:53:29,036 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 1782 DAG size of output: 1646 [2021-03-12 09:53:29,795 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 976 DAG size of output: 922 [2021-03-12 09:53:29,939 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1056 DAG size of output: 988 [2021-03-12 09:53:31,873 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 1002 [2021-03-12 09:53:32,993 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 1600 DAG size of output: 1471 [2021-03-12 09:53:33,123 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 825 [2021-03-12 09:53:34,402 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 1641 DAG size of output: 1576 [2021-03-12 09:53:35,268 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 855 DAG size of output: 801 [2021-03-12 09:53:37,270 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 2868 DAG size of output: 2866 [2021-03-12 09:53:37,466 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 863 [2021-03-12 09:53:38,555 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 1088 DAG size of output: 974 [2021-03-12 09:53:38,927 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 2486 DAG size of output: 2486 [2021-03-12 09:53:39,057 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 853 [2021-03-12 09:53:40,058 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1124 DAG size of output: 995 [2021-03-12 09:53:40,247 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 1387 DAG size of output: 1252 [2021-03-12 09:53:40,384 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 796 DAG size of output: 964