/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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/threaded-sum-3.wvr.bpl
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This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a
[2022-02-19 16:12:33,983 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-19 16:12:33,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
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[2022-02-19 16:12:34,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-19 16:12:34,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-19 16:12:34,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
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[2022-02-19 16:12:34,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2022-02-19 16:12:34,078 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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf
[2022-02-19 16:12:34,103 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-19 16:12:34,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-19 16:12:34,104 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-19 16:12:34,104 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-19 16:12:34,105 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-19 16:12:34,105 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-19 16:12:34,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-19 16:12:34,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-02-19 16:12:34,105 INFO L138 SettingsManager]: * Use SBE=true
[2022-02-19 16:12:34,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-19 16:12:34,106 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-19 16:12:34,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-19 16:12:34,106 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-19 16:12:34,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-19 16:12:34,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-19 16:12:34,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-19 16:12:34,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-19 16:12:34,107 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-19 16:12:34,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-19 16:12:34,107 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-19 16:12:34,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-19 16:12:34,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-19 16:12:34,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-19 16:12:34,107 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-19 16:12:34,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-19 16:12:34,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-19 16:12:34,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-19 16:12:34,108 INFO L138 SettingsManager]: * Construct finite automaton lazily=true
[2022-02-19 16:12:34,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-02-19 16:12:34,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-19 16:12:34,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-19 16:12:34,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-19 16:12:34,108 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2022-02-19 16:12:34,108 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-19 16:12:34,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-19 16:12:34,108 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS
[2022-02-19 16:12:34,108 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false
[2022-02-19 16:12:34,109 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-19 16:12:34,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-19 16:12:34,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-19 16:12:34,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-19 16:12:34,302 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-02-19 16:12:34,302 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized
[2022-02-19 16:12:34,303 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/threaded-sum-3.wvr.bpl
[2022-02-19 16:12:34,303 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/threaded-sum-3.wvr.bpl'
[2022-02-19 16:12:34,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-19 16:12:34,331 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2022-02-19 16:12:34,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-19 16:12:34,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-19 16:12:34,333 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-19 16:12:34,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:12:34" (1/1) ...
[2022-02-19 16:12:34,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:12:34" (1/1) ...
[2022-02-19 16:12:34,351 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2022-02-19 16:12:34,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-19 16:12:34,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-19 16:12:34,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-19 16:12:34,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-19 16:12:34,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:12:34" (1/1) ...
[2022-02-19 16:12:34,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:12:34" (1/1) ...
[2022-02-19 16:12:34,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:12:34" (1/1) ...
[2022-02-19 16:12:34,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:12:34" (1/1) ...
[2022-02-19 16:12:34,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:12:34" (1/1) ...
[2022-02-19 16:12:34,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:12:34" (1/1) ...
[2022-02-19 16:12:34,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:12:34" (1/1) ...
[2022-02-19 16:12:34,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-19 16:12:34,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-19 16:12:34,368 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-19 16:12:34,368 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-19 16:12:34,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:12:34" (1/1) ...
[2022-02-19 16:12:34,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-19 16:12:34,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 16:12:34,387 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)
[2022-02-19 16:12:34,390 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
[2022-02-19 16:12:34,414 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration
[2022-02-19 16:12:34,415 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2022-02-19 16:12:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2022-02-19 16:12:34,415 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration
[2022-02-19 16:12:34,415 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2022-02-19 16:12:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2022-02-19 16:12:34,415 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2022-02-19 16:12:34,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-19 16:12:34,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-19 16:12:34,415 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration
[2022-02-19 16:12:34,416 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2022-02-19 16:12:34,416 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2022-02-19 16:12:34,416 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-19 16:12:34,451 INFO L234 CfgBuilder]: Building ICFG
[2022-02-19 16:12:34,452 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-19 16:12:34,557 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-19 16:12:34,573 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-19 16:12:34,574 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-19 16:12:34,575 INFO L202 PluginConnector]: Adding new model threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:12:34 BoogieIcfgContainer
[2022-02-19 16:12:34,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-19 16:12:34,577 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-19 16:12:34,577 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-19 16:12:34,580 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-19 16:12:34,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:12:34" (1/2) ...
[2022-02-19 16:12:34,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760a2e04 and model type threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:12:34, skipping insertion in model container
[2022-02-19 16:12:34,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:12:34" (2/2) ...
[2022-02-19 16:12:34,582 INFO L111 eAbstractionObserver]: Analyzing ICFG threaded-sum-3.wvr.bpl
[2022-02-19 16:12:34,585 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-19 16:12:34,585 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-19 16:12:34,585 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-19 16:12:34,585 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-19 16:12:34,641 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2022-02-19 16:12:34,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-19 16:12:34,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 16:12:34,732 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)
[2022-02-19 16:12:34,752 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
[2022-02-19 16:12:34,777 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-19 16:12:34,785 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=false, mMcrOverapproximateWrwc=true
[2022-02-19 16:12:34,786 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2022-02-19 16:12:34,900 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 662 transitions and produced 472 states.
[2022-02-19 16:12:34,902 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-19 16:12:34,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 16:12:34,910 INFO L85 PathProgramCache]: Analyzing trace with hash -737186067, now seen corresponding path program 1 times
[2022-02-19 16:12:34,916 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 16:12:34,917 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257271963]
[2022-02-19 16:12:34,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 16:12:34,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 16:12:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 16:12:35,201 INFO L134 CoverageAnalysis]: Checked inductivity of 935 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 794 trivial. 0 not checked.
[2022-02-19 16:12:35,201 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 16:12:35,202 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257271963]
[2022-02-19 16:12:35,202 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257271963] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-19 16:12:35,202 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-19 16:12:35,203 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-02-19 16:12:35,204 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964400279]
[2022-02-19 16:12:35,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-19 16:12:35,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-19 16:12:35,249 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 16:12:35,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-19 16:12:35,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-19 16:12:35,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 16:12:35,271 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 16:12:35,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 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)
[2022-02-19 16:12:35,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 16:12:35,352 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 535 transitions and produced 413 states.
[2022-02-19 16:12:35,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-19 16:12:35,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-19 16:12:35,353 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-19 16:12:35,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 16:12:35,354 INFO L85 PathProgramCache]: Analyzing trace with hash -536135430, now seen corresponding path program 2 times
[2022-02-19 16:12:35,354 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 16:12:35,354 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329144751]
[2022-02-19 16:12:35,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 16:12:35,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 16:12:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 16:12:39,657 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 31 proven. 592 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked.
[2022-02-19 16:12:39,657 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 16:12:39,657 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329144751]
[2022-02-19 16:12:39,658 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329144751] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-19 16:12:39,658 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922966175]
[2022-02-19 16:12:39,658 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-19 16:12:39,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-19 16:12:39,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 16:12:39,660 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)
[2022-02-19 16:12:39,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-02-19 16:12:39,741 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-19 16:12:39,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-19 16:12:39,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 69 conjunts are in the unsatisfiable core
[2022-02-19 16:12:39,751 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-19 16:17:14,862 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 0 proven. 794 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-19 16:17:14,862 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-19 16:18:01,099 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 0 proven. 794 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-19 16:18:01,100 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922966175] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-19 16:18:01,100 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-19 16:18:01,100 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 56, 56] total 132
[2022-02-19 16:18:01,101 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720629309]
[2022-02-19 16:18:01,101 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-19 16:18:01,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 133 states
[2022-02-19 16:18:01,102 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 16:18:01,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants.
[2022-02-19 16:18:01,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2015, Invalid=15541, Unknown=0, NotChecked=0, Total=17556
[2022-02-19 16:18:01,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 16:18:01,109 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 16:18:01,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 133 states, 133 states have (on average 1.9774436090225564) internal successors, (263), 132 states have internal predecessors, (263), 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)
[2022-02-19 16:18:01,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2022-02-19 16:18:01,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 16:19:08,033 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 971 transitions and produced 642 states.
[2022-02-19 16:19:08,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-19 16:19:08,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states.
[2022-02-19 16:19:08,051 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2022-02-19 16:19:08,247 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,SelfDestructingSolverStorable1
[2022-02-19 16:19:08,248 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-19 16:19:08,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 16:19:08,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1269821963, now seen corresponding path program 3 times
[2022-02-19 16:19:08,248 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 16:19:08,249 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858245730]
[2022-02-19 16:19:08,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 16:19:08,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 16:19:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 16:22:11,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1824 backedges. 496 proven. 882 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked.
[2022-02-19 16:22:11,847 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 16:22:11,847 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858245730]
[2022-02-19 16:22:11,848 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858245730] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-19 16:22:11,848 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146405055]
[2022-02-19 16:22:11,848 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-19 16:22:11,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-19 16:22:11,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 16:22:11,849 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)
[2022-02-19 16:22:11,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-02-19 16:22:11,952 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 33 check-sat command(s)
[2022-02-19 16:22:11,952 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-19 16:22:11,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 75 conjunts are in the unsatisfiable core
[2022-02-19 16:22:11,960 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-19 16:22:13,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1824 backedges. 181 proven. 1228 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked.
[2022-02-19 16:22:13,750 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-19 16:22:15,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1824 backedges. 1686 proven. 94 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked.
[2022-02-19 16:22:15,611 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146405055] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-19 16:22:15,611 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-19 16:22:15,611 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21, 37] total 62
[2022-02-19 16:22:15,611 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076655074]
[2022-02-19 16:22:15,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-19 16:22:15,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 62 states
[2022-02-19 16:22:15,612 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 16:22:15,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants.
[2022-02-19 16:22:15,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1297, Invalid=2485, Unknown=0, NotChecked=0, Total=3782
[2022-02-19 16:22:15,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 16:22:15,613 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 16:22:15,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 3.4516129032258065) internal successors, (214), 62 states have internal predecessors, (214), 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)
[2022-02-19 16:22:15,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2022-02-19 16:22:15,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states.
[2022-02-19 16:22:15,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 16:22:16,491 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 521 transitions and produced 429 states.
[2022-02-19 16:22:16,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-19 16:22:16,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states.
[2022-02-19 16:22:16,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2022-02-19 16:22:16,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2022-02-19 16:22:16,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-19 16:22:16,716 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-19 16:22:16,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 16:22:16,720 INFO L85 PathProgramCache]: Analyzing trace with hash 836857450, now seen corresponding path program 4 times
[2022-02-19 16:22:16,720 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 16:22:16,720 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840605048]
[2022-02-19 16:22:16,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 16:22:16,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 16:22:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 16:22:16,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 534 proven. 0 refuted. 0 times theorem prover too weak. 810 trivial. 0 not checked.
[2022-02-19 16:22:16,764 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 16:22:16,764 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840605048]
[2022-02-19 16:22:16,764 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840605048] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-19 16:22:16,765 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-19 16:22:16,765 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-02-19 16:22:16,765 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150616114]
[2022-02-19 16:22:16,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-19 16:22:16,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-19 16:22:16,766 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 16:22:16,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-19 16:22:16,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-19 16:22:16,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 16:22:16,766 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 16:22:16,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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)
[2022-02-19 16:22:16,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2022-02-19 16:22:16,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states.
[2022-02-19 16:22:16,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states.
[2022-02-19 16:22:16,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 16:22:18,673 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 650 transitions and produced 520 states.
[2022-02-19 16:22:18,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-19 16:22:18,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states.
[2022-02-19 16:22:18,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states.
[2022-02-19 16:22:18,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-19 16:22:18,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-02-19 16:22:18,674 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-19 16:22:18,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 16:22:18,675 INFO L85 PathProgramCache]: Analyzing trace with hash -778473826, now seen corresponding path program 5 times
[2022-02-19 16:22:18,675 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 16:22:18,675 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759243156]
[2022-02-19 16:22:18,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 16:22:18,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 16:22:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 16:22:19,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 373 proven. 1128 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked.
[2022-02-19 16:22:19,756 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 16:22:19,756 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759243156]
[2022-02-19 16:22:19,756 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759243156] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-19 16:22:19,756 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287187885]
[2022-02-19 16:22:19,756 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-19 16:22:19,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-19 16:22:19,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 16:22:19,757 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)
[2022-02-19 16:22:19,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2022-02-19 16:22:19,871 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 33 check-sat command(s)
[2022-02-19 16:22:19,872 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-19 16:22:19,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 79 conjunts are in the unsatisfiable core
[2022-02-19 16:22:19,878 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-19 16:22:21,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 1075 proven. 178 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked.
[2022-02-19 16:22:21,663 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-19 16:22:26,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 29 proven. 1947 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2022-02-19 16:22:26,291 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287187885] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-19 16:22:26,291 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-19 16:22:26,291 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 14, 41] total 79
[2022-02-19 16:22:26,291 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546259168]
[2022-02-19 16:22:26,292 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-19 16:22:26,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 79 states
[2022-02-19 16:22:26,292 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 16:22:26,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants.
[2022-02-19 16:22:26,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1111, Invalid=5051, Unknown=0, NotChecked=0, Total=6162
[2022-02-19 16:22:26,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 16:22:26,294 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 16:22:26,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 2.8734177215189876) internal successors, (227), 79 states have internal predecessors, (227), 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)
[2022-02-19 16:22:26,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2022-02-19 16:22:26,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states.
[2022-02-19 16:22:26,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states.
[2022-02-19 16:22:26,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2022-02-19 16:22:26,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 16:22:30,607 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1461 transitions and produced 920 states.
[2022-02-19 16:22:30,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-19 16:22:30,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states.
[2022-02-19 16:22:30,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states.
[2022-02-19 16:22:30,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-19 16:22:30,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states.
[2022-02-19 16:22:30,624 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2022-02-19 16:22:30,808 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
[2022-02-19 16:22:30,809 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-19 16:22:30,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 16:22:30,809 INFO L85 PathProgramCache]: Analyzing trace with hash 955573757, now seen corresponding path program 6 times
[2022-02-19 16:22:30,809 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 16:22:30,810 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903709316]
[2022-02-19 16:22:30,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 16:22:30,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 16:22:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 16:22:40,643 INFO L134 CoverageAnalysis]: Checked inductivity of 9197 backedges. 2489 proven. 4980 refuted. 0 times theorem prover too weak. 1728 trivial. 0 not checked.
[2022-02-19 16:22:40,643 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 16:22:40,643 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903709316]
[2022-02-19 16:22:40,643 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903709316] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-19 16:22:40,644 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829185981]
[2022-02-19 16:22:40,644 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2022-02-19 16:22:40,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-19 16:22:40,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 16:22:40,645 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)
[2022-02-19 16:22:40,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2022-02-19 16:22:41,020 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 61 check-sat command(s)
[2022-02-19 16:22:41,020 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-19 16:22:41,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 163 conjunts are in the unsatisfiable core
[2022-02-19 16:22:41,036 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-19 16:22:45,743 INFO L134 CoverageAnalysis]: Checked inductivity of 9197 backedges. 4188 proven. 4013 refuted. 0 times theorem prover too weak. 996 trivial. 0 not checked.
[2022-02-19 16:22:45,743 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-19 16:22:55,152 INFO L134 CoverageAnalysis]: Checked inductivity of 9197 backedges. 78 proven. 9050 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked.
[2022-02-19 16:22:55,152 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829185981] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-19 16:22:55,153 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-19 16:22:55,153 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 34, 93] total 147
[2022-02-19 16:22:55,153 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555125397]
[2022-02-19 16:22:55,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-19 16:22:55,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 147 states
[2022-02-19 16:22:55,154 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 16:22:55,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants.
[2022-02-19 16:22:55,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4670, Invalid=16792, Unknown=0, NotChecked=0, Total=21462
[2022-02-19 16:22:55,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 16:22:55,158 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 16:22:55,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 147 states, 147 states have (on average 3.3401360544217686) internal successors, (491), 147 states have internal predecessors, (491), 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)
[2022-02-19 16:22:55,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2022-02-19 16:22:55,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states.
[2022-02-19 16:22:55,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states.
[2022-02-19 16:22:55,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2022-02-19 16:22:55,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states.
[2022-02-19 16:22:55,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 16:22:59,646 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2117 transitions and produced 1259 states.
[2022-02-19 16:22:59,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-19 16:22:59,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states.
[2022-02-19 16:22:59,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states.
[2022-02-19 16:22:59,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-19 16:22:59,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states.
[2022-02-19 16:22:59,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states.
[2022-02-19 16:22:59,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2022-02-19 16:22:59,847 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
[2022-02-19 16:22:59,848 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-19 16:22:59,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 16:22:59,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1316616310, now seen corresponding path program 7 times
[2022-02-19 16:22:59,848 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 16:22:59,848 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327684032]
[2022-02-19 16:22:59,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 16:22:59,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 16:23:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
Received shutdown request...
[2022-02-19 16:26:15,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-02-19 16:26:15,286 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver:
de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Timeout exceeded
at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkResolutionNode(Interpolator.java:265)
at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:143)
at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115)
at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106)
at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:250)
at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:227)
at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:879)
at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:803)
at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:352)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:192)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:284)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.<init>(NestedInterpolantsBuilder.java:165)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:327)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:229)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.<init>(InterpolatingTraceCheckCraig.java:97)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:216)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:129)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:93)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:79)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:227)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:156)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
[2022-02-19 16:26:15,289 INFO L158 Benchmark]: Toolchain (without parser) took 820957.94ms. Allocated memory was 220.2MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 179.8MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB.
[2022-02-19 16:26:15,289 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 220.2MB. Free memory is still 180.9MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-19 16:26:15,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.54ms. Allocated memory is still 220.2MB. Free memory was 179.7MB in the beginning and 178.1MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
[2022-02-19 16:26:15,291 INFO L158 Benchmark]: Boogie Preprocessor took 13.74ms. Allocated memory is still 220.2MB. Free memory was 178.1MB in the beginning and 177.2MB in the end (delta: 920.7kB). There was no memory consumed. Max. memory is 8.0GB.
[2022-02-19 16:26:15,292 INFO L158 Benchmark]: RCFGBuilder took 208.05ms. Allocated memory is still 220.2MB. Free memory was 177.1MB in the beginning and 167.0MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB.
[2022-02-19 16:26:15,292 INFO L158 Benchmark]: TraceAbstraction took 820711.44ms. Allocated memory was 220.2MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 166.6MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB.
[2022-02-19 16:26:15,294 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* Boogie PL CUP Parser took 0.11ms. Allocated memory is still 220.2MB. Free memory is still 180.9MB. There was no memory consumed. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 19.54ms. Allocated memory is still 220.2MB. Free memory was 179.7MB in the beginning and 178.1MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 13.74ms. Allocated memory is still 220.2MB. Free memory was 178.1MB in the beginning and 177.2MB in the end (delta: 920.7kB). There was no memory consumed. Max. memory is 8.0GB.
* RCFGBuilder took 208.05ms. Allocated memory is still 220.2MB. Free memory was 177.1MB in the beginning and 167.0MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB.
* TraceAbstraction took 820711.44ms. Allocated memory was 220.2MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 166.6MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: SMTLIBException: Timeout exceeded
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Timeout exceeded: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkResolutionNode(Interpolator.java:265)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Completed graceful shutdown