/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/mcr/example_6.bpl


--------------------------------------------------------------------------------


This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11
[2022-03-02 09:19:15,156 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2022-03-02 09:19:15,239 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
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[2022-03-02 09:19:15,248 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-03-02 09:19:15,262 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
[2022-03-02 09:19:15,281 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-03-02 09:19:15,281 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-03-02 09:19:15,281 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-03-02 09:19:15,281 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-03-02 09:19:15,282 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-03-02 09:19:15,282 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-03-02 09:19:15,282 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-03-02 09:19:15,282 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-03-02 09:19:15,282 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-03-02 09:19:15,283 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-03-02 09:19:15,283 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-03-02 09:19:15,283 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-03-02 09:19:15,283 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-03-02 09:19:15,283 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-03-02 09:19:15,283 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-03-02 09:19:15,283 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-03-02 09:19:15,283 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-03-02 09:19:15,283 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-03-02 09:19:15,283 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-03-02 09:19:15,284 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-03-02 09:19:15,284 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-03-02 09:19:15,284 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-03-02 09:19:15,284 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-03-02 09:19:15,284 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-03-02 09:19:15,284 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-03-02 09:19:15,284 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-03-02 09:19:15,284 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-03-02 09:19:15,284 INFO  L138        SettingsManager]:  * Construct finite automaton lazily=true
[2022-03-02 09:19:15,284 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-03-02 09:19:15,285 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-03-02 09:19:15,285 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-03-02 09:19:15,285 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-03-02 09:19:15,285 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-03-02 09:19:15,285 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-03-02 09:19:15,285 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-03-02 09:19:15,285 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS
[2022-03-02 09:19:15,285 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-03-02 09:19:15,496 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-03-02 09:19:15,510 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-03-02 09:19:15,511 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-03-02 09:19:15,512 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-03-02 09:19:15,523 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2022-03-02 09:19:15,524 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_6.bpl
[2022-03-02 09:19:15,524 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_6.bpl'
[2022-03-02 09:19:15,540 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-03-02 09:19:15,541 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2022-03-02 09:19:15,543 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-03-02 09:19:15,543 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-03-02 09:19:15,543 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-03-02 09:19:15,552 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:19:15" (1/1) ...
[2022-03-02 09:19:15,556 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:19:15" (1/1) ...
[2022-03-02 09:19:15,565 INFO  L137                Inliner]: procedures = 7, calls = 6, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2022-03-02 09:19:15,566 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-03-02 09:19:15,568 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-03-02 09:19:15,568 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-03-02 09:19:15,568 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-03-02 09:19:15,574 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:19:15" (1/1) ...
[2022-03-02 09:19:15,574 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:19:15" (1/1) ...
[2022-03-02 09:19:15,574 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:19:15" (1/1) ...
[2022-03-02 09:19:15,574 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:19:15" (1/1) ...
[2022-03-02 09:19:15,576 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:19:15" (1/1) ...
[2022-03-02 09:19:15,576 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:19:15" (1/1) ...
[2022-03-02 09:19:15,577 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:19:15" (1/1) ...
[2022-03-02 09:19:15,577 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-03-02 09:19:15,578 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-03-02 09:19:15,578 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-03-02 09:19:15,578 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-03-02 09:19:15,579 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:19:15" (1/1) ...
[2022-03-02 09:19:15,584 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-03-02 09:19:15,589 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-03-02 09:19:15,617 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)
[2022-03-02 09:19:15,637 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
[2022-03-02 09:19:15,649 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration
[2022-03-02 09:19:15,649 INFO  L130     BoogieDeclarations]: Found specification of procedure set_1
[2022-03-02 09:19:15,649 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_1
[2022-03-02 09:19:15,649 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration
[2022-03-02 09:19:15,649 INFO  L130     BoogieDeclarations]: Found specification of procedure set_2
[2022-03-02 09:19:15,650 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_2
[2022-03-02 09:19:15,650 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration
[2022-03-02 09:19:15,650 INFO  L130     BoogieDeclarations]: Found specification of procedure set_3
[2022-03-02 09:19:15,650 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_3
[2022-03-02 09:19:15,650 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration
[2022-03-02 09:19:15,650 INFO  L130     BoogieDeclarations]: Found specification of procedure set_4
[2022-03-02 09:19:15,650 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_4
[2022-03-02 09:19:15,651 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration
[2022-03-02 09:19:15,651 INFO  L130     BoogieDeclarations]: Found specification of procedure set_0
[2022-03-02 09:19:15,651 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_0
[2022-03-02 09:19:15,653 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2022-03-02 09:19:15,653 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-03-02 09:19:15,653 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-03-02 09:19:15,654 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration
[2022-03-02 09:19:15,654 INFO  L130     BoogieDeclarations]: Found specification of procedure set_5
[2022-03-02 09:19:15,654 INFO  L138     BoogieDeclarations]: Found implementation of procedure set_5
[2022-03-02 09:19:15,654 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-03-02 09:19:15,687 INFO  L234             CfgBuilder]: Building ICFG
[2022-03-02 09:19:15,689 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-03-02 09:19:15,758 INFO  L275             CfgBuilder]: Performing block encoding
[2022-03-02 09:19:15,763 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-03-02 09:19:15,763 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2022-03-02 09:19:15,765 INFO  L202        PluginConnector]: Adding new model example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 09:19:15 BoogieIcfgContainer
[2022-03-02 09:19:15,765 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-03-02 09:19:15,766 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-03-02 09:19:15,767 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-03-02 09:19:15,769 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-03-02 09:19:15,769 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:19:15" (1/2) ...
[2022-03-02 09:19:15,770 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a6042e and model type example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 09:19:15, skipping insertion in model container
[2022-03-02 09:19:15,770 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 09:19:15" (2/2) ...
[2022-03-02 09:19:15,771 INFO  L111   eAbstractionObserver]: Analyzing ICFG example_6.bpl
[2022-03-02 09:19:15,779 WARN  L150   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-03-02 09:19:15,779 INFO  L205   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-03-02 09:19:15,780 INFO  L164   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-03-02 09:19:15,780 INFO  L534   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-03-02 09:19:15,815 INFO  L148    ThreadInstanceAdder]: Constructed 36 joinOtherThreadTransitions.
[2022-03-02 09:19:15,863 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-03-02 09:19:15,863 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-03-02 09:19:15,865 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)
[2022-03-02 09:19:15,866 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
[2022-03-02 09:19:15,903 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-03-02 09:19:15,909 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
[2022-03-02 09:19:15,909 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2022-03-02 09:19:16,026 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 115 transitions and produced 116 states.
[2022-03-02 09:19:16,028 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] ===
[2022-03-02 09:19:16,032 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 09:19:16,032 INFO  L85        PathProgramCache]: Analyzing trace with hash -935195033, now seen corresponding path program 1 times
[2022-03-02 09:19:16,041 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 09:19:16,041 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985774517]
[2022-03-02 09:19:16,041 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 09:19:16,042 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 09:19:16,103 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 09:19:16,157 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-02 09:19:16,158 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 09:19:16,158 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985774517]
[2022-03-02 09:19:16,158 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985774517] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-02 09:19:16,158 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-02 09:19:16,159 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-03-02 09:19:16,160 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439569619]
[2022-03-02 09:19:16,160 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-02 09:19:16,163 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-03-02 09:19:16,163 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 09:19:16,177 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-03-02 09:19:16,178 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-03-02 09:19:16,178 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 09:19:16,180 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 09:19:16,180 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-03-02 09:19:16,181 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 09:19:16,247 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 115 transitions and produced 116 states.
[2022-03-02 09:19:16,248 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:16,248 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-03-02 09:19:16,249 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] ===
[2022-03-02 09:19:16,249 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 09:19:16,249 INFO  L85        PathProgramCache]: Analyzing trace with hash -18108083, now seen corresponding path program 1 times
[2022-03-02 09:19:16,249 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 09:19:16,250 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656951400]
[2022-03-02 09:19:16,250 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 09:19:16,250 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 09:19:16,259 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 09:19:16,316 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-02 09:19:16,316 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 09:19:16,316 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656951400]
[2022-03-02 09:19:16,316 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656951400] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-02 09:19:16,317 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-02 09:19:16,317 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-03-02 09:19:16,317 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249231103]
[2022-03-02 09:19:16,317 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-02 09:19:16,318 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-03-02 09:19:16,318 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 09:19:16,319 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-03-02 09:19:16,319 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-03-02 09:19:16,319 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 09:19:16,319 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 09:19:16,319 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-03-02 09:19:16,319 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:16,319 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 09:19:16,368 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 115 transitions and produced 116 states.
[2022-03-02 09:19:16,368 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:16,368 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:16,369 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-03-02 09:19:16,369 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] ===
[2022-03-02 09:19:16,369 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 09:19:16,369 INFO  L85        PathProgramCache]: Analyzing trace with hash 840766447, now seen corresponding path program 1 times
[2022-03-02 09:19:16,370 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 09:19:16,370 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112245932]
[2022-03-02 09:19:16,370 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 09:19:16,370 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 09:19:16,379 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 09:19:16,396 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-02 09:19:16,396 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 09:19:16,396 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112245932]
[2022-03-02 09:19:16,396 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112245932] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-02 09:19:16,397 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-02 09:19:16,397 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-03-02 09:19:16,397 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434712609]
[2022-03-02 09:19:16,397 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-02 09:19:16,397 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-03-02 09:19:16,397 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 09:19:16,398 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-03-02 09:19:16,398 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-03-02 09:19:16,398 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 09:19:16,398 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 09:19:16,398 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-03-02 09:19:16,398 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:16,398 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:16,398 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 09:19:16,453 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 115 transitions and produced 116 states.
[2022-03-02 09:19:16,453 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:16,453 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:16,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:16,454 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-03-02 09:19:16,454 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] ===
[2022-03-02 09:19:16,454 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 09:19:16,455 INFO  L85        PathProgramCache]: Analyzing trace with hash 1729220557, now seen corresponding path program 1 times
[2022-03-02 09:19:16,455 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 09:19:16,455 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537729059]
[2022-03-02 09:19:16,455 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 09:19:16,455 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 09:19:16,463 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 09:19:16,494 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-02 09:19:16,494 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 09:19:16,495 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537729059]
[2022-03-02 09:19:16,495 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537729059] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-02 09:19:16,495 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-02 09:19:16,495 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-03-02 09:19:16,495 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097511079]
[2022-03-02 09:19:16,495 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-02 09:19:16,496 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-03-02 09:19:16,496 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 09:19:16,496 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-03-02 09:19:16,496 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-03-02 09:19:16,496 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 09:19:16,511 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 09:19:16,511 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-03-02 09:19:16,512 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:16,512 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:16,512 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:16,512 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 09:19:16,544 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 115 transitions and produced 116 states.
[2022-03-02 09:19:16,545 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:16,545 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:16,545 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:16,545 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:16,545 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-03-02 09:19:16,545 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] ===
[2022-03-02 09:19:16,546 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 09:19:16,546 INFO  L85        PathProgramCache]: Analyzing trace with hash 1730114287, now seen corresponding path program 1 times
[2022-03-02 09:19:16,546 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 09:19:16,546 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119012109]
[2022-03-02 09:19:16,546 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 09:19:16,547 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 09:19:16,553 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 09:19:16,911 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-02 09:19:16,911 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 09:19:16,912 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119012109]
[2022-03-02 09:19:16,912 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119012109] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-02 09:19:16,912 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-02 09:19:16,912 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-03-02 09:19:16,913 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655013235]
[2022-03-02 09:19:16,913 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-02 09:19:16,913 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-03-02 09:19:16,913 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 09:19:16,914 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-03-02 09:19:16,914 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56
[2022-03-02 09:19:16,914 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 09:19:16,915 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 09:19:16,915 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-03-02 09:19:16,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:16,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:16,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:16,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:16,915 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 09:19:17,374 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 2090 transitions and produced 2091 states.
[2022-03-02 09:19:17,375 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:17,375 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:17,375 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:17,375 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:17,375 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:17,375 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-03-02 09:19:17,376 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] ===
[2022-03-02 09:19:17,377 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 09:19:17,377 INFO  L85        PathProgramCache]: Analyzing trace with hash 140179537, now seen corresponding path program 2 times
[2022-03-02 09:19:17,377 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 09:19:17,377 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88595676]
[2022-03-02 09:19:17,377 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 09:19:17,377 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 09:19:17,394 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 09:19:17,624 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-02 09:19:17,625 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 09:19:17,625 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88595676]
[2022-03-02 09:19:17,625 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88595676] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-02 09:19:17,625 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-02 09:19:17,626 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-03-02 09:19:17,626 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946554569]
[2022-03-02 09:19:17,626 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-02 09:19:17,627 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-03-02 09:19:17,627 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 09:19:17,628 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-03-02 09:19:17,628 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56
[2022-03-02 09:19:17,628 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 09:19:17,628 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 09:19:17,628 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-03-02 09:19:17,628 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:17,628 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:17,629 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:17,629 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:17,629 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:17,629 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 09:19:19,787 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 35281 transitions and produced 35282 states.
[2022-03-02 09:19:19,787 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:19,787 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:19,787 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:19,787 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:19,787 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:19,787 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:19,788 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-03-02 09:19:19,788 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] ===
[2022-03-02 09:19:19,789 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 09:19:19,789 INFO  L85        PathProgramCache]: Analyzing trace with hash -1483790383, now seen corresponding path program 3 times
[2022-03-02 09:19:19,789 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 09:19:19,789 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526167118]
[2022-03-02 09:19:19,789 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 09:19:19,789 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 09:19:19,794 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 09:19:19,958 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-02 09:19:19,959 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 09:19:19,959 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526167118]
[2022-03-02 09:19:19,959 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526167118] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-02 09:19:19,959 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-02 09:19:19,959 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-03-02 09:19:19,960 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018485851]
[2022-03-02 09:19:19,960 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-02 09:19:19,960 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-03-02 09:19:19,960 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 09:19:19,960 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-03-02 09:19:19,961 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56
[2022-03-02 09:19:19,961 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 09:19:19,961 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 09:19:19,961 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-03-02 09:19:19,961 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:19,961 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:19,961 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:19,961 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:19,962 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:19,962 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:19,962 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 09:19:23,103 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 54587 transitions and produced 54588 states.
[2022-03-02 09:19:23,103 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:23,103 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:23,103 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:23,104 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:23,104 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:23,104 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:23,104 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:23,104 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-03-02 09:19:23,105 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] ===
[2022-03-02 09:19:23,105 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 09:19:23,105 INFO  L85        PathProgramCache]: Analyzing trace with hash -475492399, now seen corresponding path program 4 times
[2022-03-02 09:19:23,105 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 09:19:23,106 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278548911]
[2022-03-02 09:19:23,106 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 09:19:23,106 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 09:19:23,110 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 09:19:23,419 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-02 09:19:23,420 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 09:19:23,420 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278548911]
[2022-03-02 09:19:23,420 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278548911] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-02 09:19:23,420 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-02 09:19:23,420 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-03-02 09:19:23,420 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692935729]
[2022-03-02 09:19:23,420 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-02 09:19:23,421 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-03-02 09:19:23,421 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 09:19:23,421 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-03-02 09:19:23,421 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56
[2022-03-02 09:19:23,421 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 09:19:23,421 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 09:19:23,422 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-03-02 09:19:23,422 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:23,422 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:23,422 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:23,422 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:23,422 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:23,422 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:23,422 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:23,422 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 09:19:28,788 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 96294 transitions and produced 96295 states.
[2022-03-02 09:19:28,788 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:28,789 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:28,789 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:28,789 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:28,789 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:28,790 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:28,790 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:28,790 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:28,791 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-03-02 09:19:28,791 INFO  L402      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] ===
[2022-03-02 09:19:28,791 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 09:19:28,791 INFO  L85        PathProgramCache]: Analyzing trace with hash -66628429, now seen corresponding path program 5 times
[2022-03-02 09:19:28,791 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 09:19:28,792 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120219043]
[2022-03-02 09:19:28,792 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 09:19:28,792 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 09:19:28,816 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 09:19:28,997 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-02 09:19:28,998 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 09:19:28,998 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120219043]
[2022-03-02 09:19:28,998 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120219043] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-02 09:19:28,998 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-02 09:19:28,999 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-03-02 09:19:28,999 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147397441]
[2022-03-02 09:19:28,999 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-02 09:19:28,999 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-03-02 09:19:29,000 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 09:19:29,000 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-03-02 09:19:29,000 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56
[2022-03-02 09:19:29,000 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 09:19:29,000 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 09:19:29,001 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-03-02 09:19:29,001 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:29,001 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:29,001 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:29,001 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:29,001 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:29,001 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:29,001 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:29,001 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:29,001 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 09:19:34,885 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 104397 transitions and produced 104398 states.
[2022-03-02 09:19:34,885 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:34,885 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:34,885 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:34,886 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:34,886 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:34,886 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:34,886 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:34,886 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:34,886 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:34,886 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-03-02 09:19:34,887 INFO  L402      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] ===
[2022-03-02 09:19:34,887 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 09:19:34,887 INFO  L85        PathProgramCache]: Analyzing trace with hash -2109965423, now seen corresponding path program 6 times
[2022-03-02 09:19:34,887 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 09:19:34,887 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248664010]
[2022-03-02 09:19:34,887 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 09:19:34,887 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 09:19:34,891 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 09:19:35,218 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-02 09:19:35,219 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 09:19:35,219 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248664010]
[2022-03-02 09:19:35,219 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248664010] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-02 09:19:35,219 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-02 09:19:35,219 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-03-02 09:19:35,220 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174025095]
[2022-03-02 09:19:35,220 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-02 09:19:35,220 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-03-02 09:19:35,220 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 09:19:35,220 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-03-02 09:19:35,221 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56
[2022-03-02 09:19:35,221 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 09:19:35,221 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 09:19:35,221 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-03-02 09:19:35,221 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:35,221 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:35,221 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:35,221 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 09:19:35,221 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:35,221 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:35,221 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:35,221 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:35,221 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-03-02 09:19:35,222 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.