/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-5.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-22 21:39:46,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-22 21:39:46,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-22 21:39:46,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-22 21:39:46,286 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random7777.epf [2021-10-22 21:39:46,316 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-22 21:39:46,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-22 21:39:46,316 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-22 21:39:46,316 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-22 21:39:46,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-22 21:39:46,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-22 21:39:46,318 INFO L138 SettingsManager]: * Use SBE=true [2021-10-22 21:39:46,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-22 21:39:46,318 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-22 21:39:46,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-22 21:39:46,319 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-22 21:39:46,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-22 21:39:46,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-22 21:39:46,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-22 21:39:46,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-22 21:39:46,320 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-22 21:39:46,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-22 21:39:46,320 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-22 21:39:46,320 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-22 21:39:46,320 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-22 21:39:46,321 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-22 21:39:46,321 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-22 21:39:46,321 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-22 21:39:46,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 21:39:46,321 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-22 21:39:46,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-22 21:39:46,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-22 21:39:46,322 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-22 21:39:46,322 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-10-22 21:39:46,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-22 21:39:46,322 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-22 21:39:46,322 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-22 21:39:46,322 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-22 21:39:46,323 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-22 21:39:46,323 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-22 21:39:46,323 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-22 21:39:46,323 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 [2021-10-22 21:39:46,323 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-22 21:39:46,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-22 21:39:46,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-22 21:39:46,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-22 21:39:46,574 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-10-22 21:39:46,574 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-10-22 21:39:46,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-5.wvr.bpl [2021-10-22 21:39:46,575 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-5.wvr.bpl' [2021-10-22 21:39:46,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-22 21:39:46,609 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-10-22 21:39:46,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-22 21:39:46,611 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-22 21:39:46,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-22 21:39:46,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 09:39:46" (1/1) ... [2021-10-22 21:39:46,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 09:39:46" (1/1) ... [2021-10-22 21:39:46,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-22 21:39:46,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-22 21:39:46,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-22 21:39:46,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-22 21:39:46,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 09:39:46" (1/1) ... [2021-10-22 21:39:46,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 09:39:46" (1/1) ... [2021-10-22 21:39:46,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 09:39:46" (1/1) ... [2021-10-22 21:39:46,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 09:39:46" (1/1) ... [2021-10-22 21:39:46,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 09:39:46" (1/1) ... [2021-10-22 21:39:46,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 09:39:46" (1/1) ... [2021-10-22 21:39:46,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 09:39:46" (1/1) ... [2021-10-22 21:39:46,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-22 21:39:46,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-22 21:39:46,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-22 21:39:46,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-22 21:39:46,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 09:39:46" (1/1) ... [2021-10-22 21:39:46,662 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 21:39:46,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 21:39:46,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-22 21:39:46,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-22 21:39:46,728 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-10-22 21:39:46,728 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-22 21:39:46,728 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-22 21:39:46,728 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-10-22 21:39:46,729 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-22 21:39:46,729 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-22 21:39:46,729 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-10-22 21:39:46,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-22 21:39:46,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-22 21:39:46,730 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-10-22 21:39:46,730 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-22 21:39:46,730 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-22 21:39:46,732 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-22 21:39:46,977 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-22 21:39:46,977 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-10-22 21:39:46,979 INFO L202 PluginConnector]: Adding new model misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:39:46 BoogieIcfgContainer [2021-10-22 21:39:46,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-22 21:39:46,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-22 21:39:46,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-22 21:39:46,983 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-22 21:39:46,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 09:39:46" (1/2) ... [2021-10-22 21:39:46,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2374e335 and model type misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:39:46, skipping insertion in model container [2021-10-22 21:39:46,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:39:46" (2/2) ... [2021-10-22 21:39:46,986 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-5.wvr.bpl [2021-10-22 21:39:46,992 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-22 21:39:46,993 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-22 21:39:46,993 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-22 21:39:46,993 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-22 21:39:47,052 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-22 21:39:47,122 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 21:39:47,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 21:39:47,123 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-22 21:39:47,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-22 21:39:47,159 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-22 21:39:47,166 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-22 21:39:47,166 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-22 21:39:47,302 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 21:39:47,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 21:39:47,307 INFO L82 PathProgramCache]: Analyzing trace with hash -538560170, now seen corresponding path program 1 times [2021-10-22 21:39:47,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 21:39:47,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684456470] [2021-10-22 21:39:47,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:39:47,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 21:39:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 21:39:47,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-22 21:39:47,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 21:39:47,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684456470] [2021-10-22 21:39:47,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684456470] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 21:39:47,406 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 21:39:47,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-22 21:39:47,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108848948] [2021-10-22 21:39:47,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 21:39:47,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 21:39:47,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 21:39:47,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 21:39:47,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:39:47,422 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 21:39:47,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 21:39:47,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:39:47,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:39:47,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-22 21:39:47,504 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 21:39:47,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 21:39:47,505 INFO L82 PathProgramCache]: Analyzing trace with hash 519258724, now seen corresponding path program 2 times [2021-10-22 21:39:47,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 21:39:47,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038365466] [2021-10-22 21:39:47,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:39:47,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 21:39:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 21:39:47,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 21:39:47,563 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 21:39:47,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038365466] [2021-10-22 21:39:47,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038365466] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 21:39:47,564 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 21:39:47,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 21:39:47,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137625166] [2021-10-22 21:39:47,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-22 21:39:47,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 21:39:47,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-22 21:39:47,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-22 21:39:47,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:39:47,568 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 21:39:47,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 21:39:47,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:39:47,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:39:47,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:39:47,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 21:39:47,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-22 21:39:47,617 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 21:39:47,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 21:39:47,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1228929054, now seen corresponding path program 3 times [2021-10-22 21:39:47,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 21:39:47,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980198992] [2021-10-22 21:39:47,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:39:47,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 21:39:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 21:39:47,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 21:39:47,691 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 21:39:47,691 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980198992] [2021-10-22 21:39:47,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980198992] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 21:39:47,691 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1601922128] [2021-10-22 21:39:47,691 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-22 21:39:47,692 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 21:39:47,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 21:39:47,695 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 21:39:47,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-22 21:39:47,741 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-22 21:39:47,742 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 21:39:47,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-22 21:39:47,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 21:39:47,925 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 21:39:47,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1601922128] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 21:39:47,925 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 21:39:47,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-10-22 21:39:47,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471739434] [2021-10-22 21:39:47,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-22 21:39:47,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 21:39:47,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-22 21:39:47,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-22 21:39:47,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:39:47,927 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 21:39:47,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 states have internal predecessors, (30), 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) [2021-10-22 21:39:47,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:39:47,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 21:39:47,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:39:47,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:39:47,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 21:39:47,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 21:39:47,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-22 21:39:48,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-10-22 21:39:48,177 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 21:39:48,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 21:39:48,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1905170976, now seen corresponding path program 4 times [2021-10-22 21:39:48,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 21:39:48,178 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553790982] [2021-10-22 21:39:48,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:39:48,178 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 21:39:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 21:39:48,239 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 21:39:48,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 21:39:48,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553790982] [2021-10-22 21:39:48,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553790982] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 21:39:48,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550714035] [2021-10-22 21:39:48,240 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-22 21:39:48,240 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 21:39:48,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 21:39:48,241 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 21:39:48,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-22 21:39:48,291 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-22 21:39:48,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 21:39:48,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-22 21:39:48,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 21:39:48,556 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 21:39:48,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550714035] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 21:39:48,557 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 21:39:48,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-22 21:39:48,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079523152] [2021-10-22 21:39:48,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-22 21:39:48,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 21:39:48,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-22 21:39:48,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-22 21:39:48,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:39:48,561 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 21:39:48,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 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) [2021-10-22 21:39:48,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:39:48,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 21:39:48,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 21:39:48,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:39:48,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:39:48,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 21:39:48,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 21:39:48,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:39:48,674 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-22 21:39:48,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 21:39:48,872 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 21:39:48,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 21:39:48,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1061370974, now seen corresponding path program 5 times [2021-10-22 21:39:48,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 21:39:48,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601416906] [2021-10-22 21:39:48,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:39:48,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 21:39:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 21:39:48,983 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 21:39:48,983 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 21:39:48,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601416906] [2021-10-22 21:39:48,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601416906] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 21:39:48,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879612891] [2021-10-22 21:39:48,984 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-22 21:39:48,984 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 21:39:48,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 21:39:48,986 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 21:39:48,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-22 21:39:49,055 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-10-22 21:39:49,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 21:39:49,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-22 21:39:49,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 21:39:49,348 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 21:39:49,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879612891] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 21:39:49,348 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 21:39:49,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-10-22 21:39:49,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614818959] [2021-10-22 21:39:49,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-22 21:39:49,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 21:39:49,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-22 21:39:49,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-10-22 21:39:49,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:39:49,350 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 21:39:49,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 10 states have internal predecessors, (34), 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) [2021-10-22 21:39:49,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:39:49,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 21:39:49,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 21:39:49,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:39:49,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:39:49,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:39:49,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 21:39:49,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 21:39:49,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:39:49,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 21:39:49,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-22 21:39:49,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 21:39:49,660 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 21:39:49,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 21:39:49,660 INFO L82 PathProgramCache]: Analyzing trace with hash 49900380, now seen corresponding path program 6 times [2021-10-22 21:39:49,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 21:39:49,660 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884810607] [2021-10-22 21:39:49,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:39:49,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 21:39:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 21:39:49,772 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 21:39:49,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 21:39:49,773 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884810607] [2021-10-22 21:39:49,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884810607] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 21:39:49,773 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754587816] [2021-10-22 21:39:49,773 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-22 21:39:49,774 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 21:39:49,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 21:39:49,775 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 21:39:49,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-22 21:39:49,864 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-10-22 21:39:49,864 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 21:39:49,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-22 21:39:49,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 21:39:50,227 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 21:39:50,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754587816] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 21:39:50,228 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 21:39:50,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-10-22 21:39:50,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474791613] [2021-10-22 21:39:50,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-22 21:39:50,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 21:39:50,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-22 21:39:50,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-10-22 21:39:50,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:39:50,231 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 21:39:50,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 12 states have internal predecessors, (42), 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) [2021-10-22 21:39:50,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:39:50,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 21:39:50,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 21:39:50,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:39:50,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 21:39:50,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:39:50,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:39:50,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 21:39:50,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 21:39:50,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:39:50,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 21:39:50,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-22 21:39:50,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-22 21:39:50,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 21:39:50,610 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 21:39:50,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 21:39:50,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1089156266, now seen corresponding path program 7 times [2021-10-22 21:39:50,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 21:39:50,611 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052172049] [2021-10-22 21:39:50,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:39:50,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 21:39:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 21:39:50,906 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 21:39:50,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 21:39:50,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052172049] [2021-10-22 21:39:50,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052172049] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 21:39:50,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134505646] [2021-10-22 21:39:50,908 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-22 21:39:50,908 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 21:39:50,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 21:39:50,912 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 21:39:50,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-22 21:39:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 21:39:51,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-22 21:39:51,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 21:39:51,891 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 21:39:51,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134505646] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 21:39:51,892 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 21:39:51,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-10-22 21:39:51,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995406841] [2021-10-22 21:39:51,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-10-22 21:39:51,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 21:39:51,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-10-22 21:39:51,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2021-10-22 21:39:51,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:39:51,894 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 21:39:51,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.6315789473684212) internal successors, (50), 18 states have internal predecessors, (50), 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) [2021-10-22 21:39:51,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:39:51,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 21:39:51,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 21:39:51,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:39:51,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 21:39:51,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-22 21:39:51,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:39:52,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:39:52,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 21:39:52,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 21:39:52,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:39:52,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 21:39:52,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-22 21:39:52,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-22 21:39:52,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-22 21:39:52,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 21:39:52,500 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 21:39:52,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 21:39:52,500 INFO L82 PathProgramCache]: Analyzing trace with hash -742209584, now seen corresponding path program 8 times [2021-10-22 21:39:52,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 21:39:52,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759055006] [2021-10-22 21:39:52,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:39:52,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 21:39:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 21:42:27,362 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 21:42:27,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 21:42:27,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759055006] [2021-10-22 21:42:27,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759055006] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 21:42:27,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365831556] [2021-10-22 21:42:27,363 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-22 21:42:27,363 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 21:42:27,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 21:42:27,367 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 21:42:27,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-22 21:42:28,108 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-22 21:42:28,108 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 21:42:28,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-22 21:42:28,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 21:42:29,330 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 21:42:29,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365831556] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 21:42:29,330 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 21:42:29,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-10-22 21:42:29,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126214142] [2021-10-22 21:42:29,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-10-22 21:42:29,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 21:42:29,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-10-22 21:42:29,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2021-10-22 21:42:29,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:42:29,332 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 21:42:29,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.64) internal successors, (66), 24 states have internal predecessors, (66), 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) [2021-10-22 21:42:29,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:42:29,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-22 21:42:29,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-22 21:42:29,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:42:29,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 21:42:29,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-22 21:42:29,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-22 21:42:29,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:42:29,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:42:29,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-22 21:42:29,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-22 21:42:29,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:42:29,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 21:42:29,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-22 21:42:29,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-22 21:42:29,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 21:42:30,016 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-10-22 21:42:30,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 21:42:30,199 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-22 21:42:30,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 21:42:30,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1857519290, now seen corresponding path program 9 times [2021-10-22 21:42:30,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 21:42:30,200 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283708593] [2021-10-22 21:42:30,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:42:30,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 21:42:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-10-22 21:54:19,705 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-22 21:54:19,705 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-22 21:54:19,719 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-10-22 21:54:19,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-22 21:54:19,720 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 47 with TraceHistMax 16,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-2-12-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-8-2-7-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-4-2-4-2-4-2-4-2-3-2-3-2-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. [2021-10-22 21:54:19,722 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-22 21:54:19,722 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-22 21:54:19,722 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-22 21:54:19,729 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-22 21:54:19,729 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-22 21:54:19,730 INFO L202 PluginConnector]: Adding new model misc-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:54:19 BasicIcfg [2021-10-22 21:54:19,730 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-22 21:54:19,732 INFO L168 Benchmark]: Toolchain (without parser) took 873122.21 ms. Allocated memory was 186.6 MB in the beginning and 5.5 GB in the end (delta: 5.3 GB). Free memory was 145.0 MB in the beginning and 5.2 GB in the end (delta: -5.0 GB). Peak memory consumption was 3.6 GB. Max. memory is 8.0 GB. [2021-10-22 21:54:19,732 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 186.6 MB. Free memory is still 146.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-22 21:54:19,732 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.26 ms. Allocated memory is still 186.6 MB. Free memory was 144.8 MB in the beginning and 143.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-22 21:54:19,732 INFO L168 Benchmark]: Boogie Preprocessor took 17.77 ms. Allocated memory is still 186.6 MB. Free memory was 143.3 MB in the beginning and 142.5 MB in the end (delta: 873.9 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-22 21:54:19,733 INFO L168 Benchmark]: RCFGBuilder took 324.58 ms. Allocated memory is still 186.6 MB. Free memory was 142.3 MB in the beginning and 128.5 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-10-22 21:54:19,733 INFO L168 Benchmark]: TraceAbstraction took 872749.76 ms. Allocated memory was 186.6 MB in the beginning and 5.5 GB in the end (delta: 5.3 GB). Free memory was 128.1 MB in the beginning and 5.2 GB in the end (delta: -5.1 GB). Peak memory consumption was 3.6 GB. Max. memory is 8.0 GB. [2021-10-22 21:54:19,734 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 186.6 MB. Free memory is still 146.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.26 ms. Allocated memory is still 186.6 MB. Free memory was 144.8 MB in the beginning and 143.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.77 ms. Allocated memory is still 186.6 MB. Free memory was 143.3 MB in the beginning and 142.5 MB in the end (delta: 873.9 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 324.58 ms. Allocated memory is still 186.6 MB. Free memory was 142.3 MB in the beginning and 128.5 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 872749.76 ms. Allocated memory was 186.6 MB in the beginning and 5.5 GB in the end (delta: 5.3 GB). Free memory was 128.1 MB in the beginning and 5.2 GB in the end (delta: -5.1 GB). Peak memory consumption was 3.6 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1719, positive: 1278, positive conditional: 1101, positive unconditional: 177, negative: 441, negative conditional: 435, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1326, positive: 1278, positive conditional: 0, positive unconditional: 1278, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 174, positive: 167, positive conditional: 0, positive unconditional: 167, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 174, positive: 165, positive conditional: 0, positive unconditional: 165, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 91, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1326, positive: 1111, positive conditional: 0, positive unconditional: 1111, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 174, unknown conditional: 0, unknown unconditional: 174] , Statistics on independence cache: Total cache size (in pairs): 174, Positive cache size: 167, Positive conditional cache size: 0, Positive unconditional cache size: 167, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Independence queries for same thread: 393 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 118, Number of persistent set computation: 24, Number of trivial persistent sets: 20, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1719, positive: 1278, positive conditional: 1101, positive unconditional: 177, negative: 441, negative conditional: 435, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1326, positive: 1278, positive conditional: 0, positive unconditional: 1278, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 174, positive: 167, positive conditional: 0, positive unconditional: 167, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 174, positive: 165, positive conditional: 0, positive unconditional: 165, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 91, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1326, positive: 1111, positive conditional: 0, positive unconditional: 1111, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 174, unknown conditional: 0, unknown unconditional: 174] , Statistics on independence cache: Total cache size (in pairs): 174, Positive cache size: 167, Positive conditional cache size: 0, Positive unconditional cache size: 167, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Independence queries for same thread: 393 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 47 with TraceHistMax 16,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-2-12-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-8-2-7-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-4-2-4-2-4-2-4-2-3-2-3-2-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 47 with TraceHistMax 16,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-2-12-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-8-2-7-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-4-2-4-2-4-2-4-2-3-2-3-2-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 47 with TraceHistMax 16,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-2-12-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-8-2-7-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-4-2-4-2-4-2-4-2-3-2-3-2-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 47 with TraceHistMax 16,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-2-12-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-11-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-10-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-9-2-8-2-7-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-6-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-4-2-4-2-4-2-4-2-3-2-3-2-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 36 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 872608.1ms, OverallIterations: 9, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.4ms, PartialOrderReductionTime: 1691.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 42.6ms SsaConstructionTime, 271.1ms SatisfiabilityAnalysisTime, 158555.5ms InterpolantComputationTime, 332 NumberOfCodeBlocks, 332 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 318 ConstructedInterpolants, 0 QuantifiedInterpolants, 2203 SizeOfPredicates, 12 NumberOfNonLiveVariables, 306 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 50/480 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown