/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-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a
[2022-02-20 11:48:34,019 INFO L177 SettingsManager]: Resetting all preferences to default values...
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[2022-02-20 11:48:34,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
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[2022-02-20 11:48:34,125 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-MCRwithoutDepranks-Lazy.epf
[2022-02-20 11:48:34,149 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-20 11:48:34,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-20 11:48:34,149 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-20 11:48:34,150 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-20 11:48:34,150 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-20 11:48:34,150 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-20 11:48:34,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-20 11:48:34,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-02-20 11:48:34,151 INFO L138 SettingsManager]: * Use SBE=true
[2022-02-20 11:48:34,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-20 11:48:34,152 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-20 11:48:34,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-20 11:48:34,152 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-20 11:48:34,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-20 11:48:34,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-20 11:48:34,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-20 11:48:34,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-20 11:48:34,153 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-20 11:48:34,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-20 11:48:34,153 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-20 11:48:34,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-20 11:48:34,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-20 11:48:34,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-20 11:48:34,154 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-20 11:48:34,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-20 11:48:34,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-20 11:48:34,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-20 11:48:34,155 INFO L138 SettingsManager]: * Construct finite automaton lazily=true
[2022-02-20 11:48:34,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-02-20 11:48:34,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-20 11:48:34,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-20 11:48:34,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-20 11:48:34,156 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2022-02-20 11:48:34,156 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-20 11:48:34,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-20 11:48:34,156 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS
[2022-02-20 11:48:34,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-20 11:48:34,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-20 11:48:34,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-20 11:48:34,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-20 11:48:34,355 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-02-20 11:48:34,356 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized
[2022-02-20 11:48:34,357 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl
[2022-02-20 11:48:34,357 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl'
[2022-02-20 11:48:34,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-20 11:48:34,380 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2022-02-20 11:48:34,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-20 11:48:34,381 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-20 11:48:34,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-20 11:48:34,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:48:34" (1/1) ...
[2022-02-20 11:48:34,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:48:34" (1/1) ...
[2022-02-20 11:48:34,405 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2022-02-20 11:48:34,406 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-20 11:48:34,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-20 11:48:34,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-20 11:48:34,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-20 11:48:34,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:48:34" (1/1) ...
[2022-02-20 11:48:34,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:48:34" (1/1) ...
[2022-02-20 11:48:34,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:48:34" (1/1) ...
[2022-02-20 11:48:34,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:48:34" (1/1) ...
[2022-02-20 11:48:34,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:48:34" (1/1) ...
[2022-02-20 11:48:34,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:48:34" (1/1) ...
[2022-02-20 11:48:34,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:48:34" (1/1) ...
[2022-02-20 11:48:34,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-20 11:48:34,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-20 11:48:34,426 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-20 11:48:34,426 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-20 11:48:34,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:48:34" (1/1) ...
[2022-02-20 11:48:34,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-20 11:48:34,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 11:48:34,456 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)
[2022-02-20 11:48:34,487 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
[2022-02-20 11:48:34,503 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration
[2022-02-20 11:48:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2022-02-20 11:48:34,504 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2022-02-20 11:48:34,504 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration
[2022-02-20 11:48:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2022-02-20 11:48:34,505 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2022-02-20 11:48:34,505 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2022-02-20 11:48:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-20 11:48:34,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-20 11:48:34,505 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration
[2022-02-20 11:48:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2022-02-20 11:48:34,505 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2022-02-20 11:48:34,506 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-20 11:48:34,555 INFO L234 CfgBuilder]: Building ICFG
[2022-02-20 11:48:34,556 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-20 11:48:34,667 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-20 11:48:34,682 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-20 11:48:34,682 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-20 11:48:34,684 INFO L202 PluginConnector]: Adding new model three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:48:34 BoogieIcfgContainer
[2022-02-20 11:48:34,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-20 11:48:34,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-20 11:48:34,686 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-20 11:48:34,689 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-20 11:48:34,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 11:48:34" (1/2) ...
[2022-02-20 11:48:34,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@398a6718 and model type three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:48:34, skipping insertion in model container
[2022-02-20 11:48:34,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:48:34" (2/2) ...
[2022-02-20 11:48:34,691 INFO L111 eAbstractionObserver]: Analyzing ICFG three-array-min.wvr.bpl
[2022-02-20 11:48:34,695 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-20 11:48:34,695 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-20 11:48:34,695 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-20 11:48:34,696 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-20 11:48:34,723 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2022-02-20 11:48:34,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-20 11:48:34,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 11:48:34,776 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)
[2022-02-20 11:48:34,777 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
[2022-02-20 11:48:34,800 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-20 11:48:34,806 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true
[2022-02-20 11:48:34,806 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2022-02-20 11:48:39,539 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1526 transitions and produced 1374 states.
[2022-02-20 11:48:39,541 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 11:48:39,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 11:48:39,545 INFO L85 PathProgramCache]: Analyzing trace with hash -288618809, now seen corresponding path program 1 times
[2022-02-20 11:48:39,551 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 11:48:39,551 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007604736]
[2022-02-20 11:48:39,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 11:48:39,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 11:48:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 11:48:40,617 INFO L134 CoverageAnalysis]: Checked inductivity of 16826 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 16776 trivial. 0 not checked.
[2022-02-20 11:48:40,618 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 11:48:40,618 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007604736]
[2022-02-20 11:48:40,618 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007604736] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-20 11:48:40,619 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-20 11:48:40,619 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-02-20 11:48:40,620 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239264022]
[2022-02-20 11:48:40,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-20 11:48:40,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-20 11:48:40,639 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 11:48:40,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-20 11:48:40,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-20 11:48:40,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-20 11:48:40,689 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 11:48:40,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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)
[2022-02-20 11:48:40,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-20 11:48:44,376 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1516 transitions and produced 1365 states.
[2022-02-20 11:48:44,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-20 11:48:44,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-20 11:48:44,377 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 11:48:44,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 11:48:44,378 INFO L85 PathProgramCache]: Analyzing trace with hash 87167300, now seen corresponding path program 2 times
[2022-02-20 11:48:44,378 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 11:48:44,378 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169486910]
[2022-02-20 11:48:44,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 11:48:44,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 11:48:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 11:48:44,625 INFO L134 CoverageAnalysis]: Checked inductivity of 16796 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 16770 trivial. 0 not checked.
[2022-02-20 11:48:44,625 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 11:48:44,625 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169486910]
[2022-02-20 11:48:44,625 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169486910] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-20 11:48:44,626 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-20 11:48:44,626 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-02-20 11:48:44,626 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139348803]
[2022-02-20 11:48:44,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-20 11:48:44,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-20 11:48:44,629 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 11:48:44,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-20 11:48:44,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-20 11:48:44,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-20 11:48:44,630 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 11:48:44,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-20 11:48:44,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2022-02-20 11:48:44,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-20 11:48:47,908 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1650 transitions and produced 1480 states.
[2022-02-20 11:48:47,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-20 11:48:47,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-20 11:48:47,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-20 11:48:47,909 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 11:48:47,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 11:48:47,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1091872876, now seen corresponding path program 1 times
[2022-02-20 11:48:47,910 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 11:48:47,910 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486852811]
[2022-02-20 11:48:47,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 11:48:47,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 11:48:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 11:48:52,988 INFO L134 CoverageAnalysis]: Checked inductivity of 16862 backedges. 16042 proven. 719 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked.
[2022-02-20 11:48:52,989 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 11:48:52,989 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486852811]
[2022-02-20 11:48:52,990 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486852811] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 11:48:52,990 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63369748]
[2022-02-20 11:48:52,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 11:48:52,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 11:48:52,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 11:48:52,993 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)
[2022-02-20 11:48:53,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-02-20 11:48:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 11:48:53,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 1223 conjuncts, 157 conjunts are in the unsatisfiable core
[2022-02-20 11:48:53,279 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 11:48:54,269 INFO L134 CoverageAnalysis]: Checked inductivity of 16862 backedges. 16291 proven. 470 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked.
[2022-02-20 11:48:54,270 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 11:48:59,729 INFO L134 CoverageAnalysis]: Checked inductivity of 16862 backedges. 16291 proven. 470 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked.
[2022-02-20 11:48:59,730 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63369748] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 11:48:59,730 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 11:48:59,730 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [107, 107, 107] total 209
[2022-02-20 11:48:59,730 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071004697]
[2022-02-20 11:48:59,730 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 11:48:59,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 210 states
[2022-02-20 11:48:59,732 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 11:48:59,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 210 interpolants.
[2022-02-20 11:48:59,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19865, Invalid=24025, Unknown=0, NotChecked=0, Total=43890
[2022-02-20 11:48:59,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-20 11:48:59,759 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 11:48:59,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 210 states, 210 states have (on average 2.757142857142857) internal successors, (579), 209 states have internal predecessors, (579), 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)
[2022-02-20 11:48:59,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2022-02-20 11:48:59,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2022-02-20 11:48:59,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-20 11:49:57,320 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3151 transitions and produced 2922 states.
[2022-02-20 11:49:57,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-20 11:49:57,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-20 11:49:57,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 491 states.
[2022-02-20 11:49:57,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2022-02-20 11:49:57,539 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
[2022-02-20 11:49:57,540 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 11:49:57,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 11:49:57,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1938093246, now seen corresponding path program 2 times
[2022-02-20 11:49:57,541 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 11:49:57,541 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686547631]
[2022-02-20 11:49:57,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 11:49:57,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 11:49:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 11:50:02,184 INFO L134 CoverageAnalysis]: Checked inductivity of 51480 backedges. 9801 proven. 1276 refuted. 0 times theorem prover too weak. 40403 trivial. 0 not checked.
[2022-02-20 11:50:02,184 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 11:50:02,184 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686547631]
[2022-02-20 11:50:02,185 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686547631] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 11:50:02,185 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603330769]
[2022-02-20 11:50:02,185 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-20 11:50:02,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 11:50:02,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 11:50:02,188 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)
[2022-02-20 11:50:02,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-02-20 11:50:02,592 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-20 11:50:02,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-20 11:50:02,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 2422 conjuncts, 205 conjunts are in the unsatisfiable core
[2022-02-20 11:50:02,630 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-20 11:50:21,150 INFO L134 CoverageAnalysis]: Checked inductivity of 51480 backedges. 30907 proven. 10201 refuted. 0 times theorem prover too weak. 10372 trivial. 0 not checked.
[2022-02-20 11:50:21,150 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-20 11:50:22,376 INFO L134 CoverageAnalysis]: Checked inductivity of 51480 backedges. 30907 proven. 10201 refuted. 0 times theorem prover too weak. 10372 trivial. 0 not checked.
[2022-02-20 11:50:22,376 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [603330769] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-20 11:50:22,376 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-20 11:50:22,376 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [110, 205, 205] total 314
[2022-02-20 11:50:22,377 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833695905]
[2022-02-20 11:50:22,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-20 11:50:22,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 315 states
[2022-02-20 11:50:22,380 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 11:50:22,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 315 interpolants.
[2022-02-20 11:50:22,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15907, Invalid=83003, Unknown=0, NotChecked=0, Total=98910
[2022-02-20 11:50:22,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-20 11:50:22,400 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 11:50:22,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 315 states, 315 states have (on average 2.13015873015873) internal successors, (671), 314 states have internal predecessors, (671), 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)
[2022-02-20 11:50:22,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2022-02-20 11:50:22,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2022-02-20 11:50:22,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 491 states.
[2022-02-20 11:50:22,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-20 11:51:13,386 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4782 transitions and produced 4415 states.
[2022-02-20 11:51:13,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-20 11:51:13,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-20 11:51:13,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 491 states.
[2022-02-20 11:51:13,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 427 states.
[2022-02-20 11:51:13,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2022-02-20 11:51:13,587 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
[2022-02-20 11:51:13,588 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-20 11:51:13,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 11:51:13,588 INFO L85 PathProgramCache]: Analyzing trace with hash 243158520, now seen corresponding path program 3 times
[2022-02-20 11:51:13,588 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 11:51:13,588 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402625364]
[2022-02-20 11:51:13,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 11:51:13,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 11:51:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 11:51:56,090 INFO L134 CoverageAnalysis]: Checked inductivity of 118372 backedges. 52006 proven. 50454 refuted. 0 times theorem prover too weak. 15912 trivial. 0 not checked.
[2022-02-20 11:51:56,090 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 11:51:56,090 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402625364]
[2022-02-20 11:51:56,091 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402625364] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-20 11:51:56,091 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887334866]
[2022-02-20 11:51:56,091 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-20 11:51:56,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-20 11:51:56,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 11:51:56,092 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)
[2022-02-20 11:51:56,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
Received shutdown request...
[2022-02-20 12:02:27,827 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
[2022-02-20 12:02:27,827 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
[2022-02-20 12:02:27,827 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2022-02-20 12:02:28,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2022-02-20 12:02:28,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
[2022-02-20 12:02:29,039 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forcibly destroying the process
[2022-02-20 12:02:29,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 137
[2022-02-20 12:02:29,093 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2022-02-20 12:02:29,093 INFO L191 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-02-20 12:02:29,093 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [402] total 402
[2022-02-20 12:02:29,094 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929398823]
[2022-02-20 12:02:29,094 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-02-20 12:02:29,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 403 states
[2022-02-20 12:02:29,095 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 12:02:29,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 403 interpolants.
[2022-02-20 12:02:29,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40603, Invalid=121403, Unknown=0, NotChecked=0, Total=162006
[2022-02-20 12:02:29,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-20 12:02:29,117 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 12:02:29,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 403 states, 403 states have (on average 2.193548387096774) internal successors, (884), 402 states have internal predecessors, (884), 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)
[2022-02-20 12:02:29,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2022-02-20 12:02:29,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2022-02-20 12:02:29,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 491 states.
[2022-02-20 12:02:29,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 427 states.
[2022-02-20 12:02:29,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-20 12:02:29,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-02-20 12:02:29,125 WARN L594 AbstractCegarLoop]: Verification canceled: while executing Executor.
[2022-02-20 12:02:29,127 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining)
[2022-02-20 12:02:29,128 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining)
[2022-02-20 12:02:29,128 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining)
[2022-02-20 12:02:29,128 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining)
[2022-02-20 12:02:29,146 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2]
[2022-02-20 12:02:29,149 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-20 12:02:29,149 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-20 12:02:29,151 INFO L202 PluginConnector]: Adding new model three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 12:02:29 BasicIcfg
[2022-02-20 12:02:29,151 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-20 12:02:29,152 INFO L158 Benchmark]: Toolchain (without parser) took 834771.86ms. Allocated memory was 181.4MB in the beginning and 4.1GB in the end (delta: 3.9GB). Free memory was 139.1MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB.
[2022-02-20 12:02:29,152 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 181.4MB. Free memory is still 140.3MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-20 12:02:29,153 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.54ms. Allocated memory is still 181.4MB. Free memory was 139.1MB in the beginning and 137.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-20 12:02:29,153 INFO L158 Benchmark]: Boogie Preprocessor took 15.97ms. Allocated memory is still 181.4MB. Free memory was 137.5MB in the beginning and 136.5MB in the end (delta: 992.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-20 12:02:29,153 INFO L158 Benchmark]: RCFGBuilder took 257.92ms. Allocated memory is still 181.4MB. Free memory was 136.5MB in the beginning and 126.7MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB.
[2022-02-20 12:02:29,154 INFO L158 Benchmark]: TraceAbstraction took 834465.80ms. Allocated memory was 181.4MB in the beginning and 4.1GB in the end (delta: 3.9GB). Free memory was 126.1MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB.
[2022-02-20 12:02:29,167 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 0.09ms. Allocated memory is still 181.4MB. Free memory is still 140.3MB. There was no memory consumed. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 25.54ms. Allocated memory is still 181.4MB. Free memory was 139.1MB in the beginning and 137.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 15.97ms. Allocated memory is still 181.4MB. Free memory was 137.5MB in the beginning and 136.5MB in the end (delta: 992.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 257.92ms. Allocated memory is still 181.4MB. Free memory was 136.5MB in the beginning and 126.7MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB.
* TraceAbstraction took 834465.80ms. Allocated memory was 181.4MB in the beginning and 4.1GB in the end (delta: 3.9GB). Free memory was 126.1MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Independence relation benchmarks
ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction)
Unable to prove that assertion always holds Cancelled while executing Executor.
- TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction)
Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing Executor.
- TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction)
Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing Executor.
- TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction)
Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing Executor.
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 834.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 120.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 926, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 4.0s SatisfiabilityAnalysisTime, 75.8s InterpolantComputationTime, 3960 NumberOfCodeBlocks, 3960 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 4958 ConstructedInterpolants, 0 QuantifiedInterpolants, 18518 SizeOfPredicates, 4 NumberOfNonLiveVariables, 3645 ConjunctsInSsa, 362 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 283229/357020 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