/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 50 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series.wvr.bpl


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


This is Ultimate 0.2.4-wip.dk.conditional-comm-faa7b7a-m
[2024-04-27 12:55:07,953 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-04-27 12:55:08,032 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf
[2024-04-27 12:55:08,037 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-04-27 12:55:08,037 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-04-27 12:55:08,064 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-04-27 12:55:08,066 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-04-27 12:55:08,066 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-04-27 12:55:08,067 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-04-27 12:55:08,070 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-04-27 12:55:08,071 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-04-27 12:55:08,071 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-04-27 12:55:08,071 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-04-27 12:55:08,073 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-04-27 12:55:08,073 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-04-27 12:55:08,073 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-04-27 12:55:08,073 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-04-27 12:55:08,074 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-04-27 12:55:08,074 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-04-27 12:55:08,074 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-04-27 12:55:08,074 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-04-27 12:55:08,075 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-04-27 12:55:08,075 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-04-27 12:55:08,075 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-04-27 12:55:08,075 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-04-27 12:55:08,076 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-04-27 12:55:08,076 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-04-27 12:55:08,076 INFO  L153        SettingsManager]:  * To the following directory=./dump/
[2024-04-27 12:55:08,076 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-04-27 12:55:08,076 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-04-27 12:55:08,078 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-04-27 12:55:08,078 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-04-27 12:55:08,078 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-04-27 12:55:08,078 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-04-27 12:55:08,078 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2024-04-27 12:55:08,078 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-04-27 12:55:08,079 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-04-27 12:55:08,079 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-04-27 12:55:08,079 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-04-27 12:55:08,079 INFO  L153        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/UGemCutter-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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 50
[2024-04-27 12:55:08,350 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-04-27 12:55:08,382 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-04-27 12:55:08,385 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-04-27 12:55:08,386 INFO  L270        PluginConnector]: Initializing Boogie PL CUP Parser...
[2024-04-27 12:55:08,387 INFO  L274        PluginConnector]: Boogie PL CUP Parser initialized
[2024-04-27 12:55:08,388 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series.wvr.bpl
[2024-04-27 12:55:08,389 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series.wvr.bpl'
[2024-04-27 12:55:08,428 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-04-27 12:55:08,430 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2024-04-27 12:55:08,430 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-04-27 12:55:08,431 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-04-27 12:55:08,432 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-04-27 12:55:08,445 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 12:55:08" (1/1) ...
[2024-04-27 12:55:08,470 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 12:55:08" (1/1) ...
[2024-04-27 12:55:08,481 INFO  L138                Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2024-04-27 12:55:08,483 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-04-27 12:55:08,493 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-04-27 12:55:08,493 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-04-27 12:55:08,494 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-04-27 12:55:08,502 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 12:55:08" (1/1) ...
[2024-04-27 12:55:08,502 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 12:55:08" (1/1) ...
[2024-04-27 12:55:08,504 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 12:55:08" (1/1) ...
[2024-04-27 12:55:08,505 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 12:55:08" (1/1) ...
[2024-04-27 12:55:08,512 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 12:55:08" (1/1) ...
[2024-04-27 12:55:08,521 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 12:55:08" (1/1) ...
[2024-04-27 12:55:08,522 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 12:55:08" (1/1) ...
[2024-04-27 12:55:08,523 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 12:55:08" (1/1) ...
[2024-04-27 12:55:08,524 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-04-27 12:55:08,524 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-04-27 12:55:08,524 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-04-27 12:55:08,525 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-04-27 12:55:08,528 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 12:55:08" (1/1) ...
[2024-04-27 12:55:08,533 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-04-27 12:55:08,549 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 12:55:08,570 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-04-27 12:55:08,577 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-04-27 12:55:08,624 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration
[2024-04-27 12:55:08,625 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2024-04-27 12:55:08,625 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2024-04-27 12:55:08,625 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration
[2024-04-27 12:55:08,625 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2024-04-27 12:55:08,625 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2024-04-27 12:55:08,625 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2024-04-27 12:55:08,625 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-04-27 12:55:08,626 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-04-27 12:55:08,626 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration
[2024-04-27 12:55:08,626 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2024-04-27 12:55:08,626 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2024-04-27 12:55:08,627 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration
[2024-04-27 12:55:08,627 INFO  L130     BoogieDeclarations]: Found specification of procedure thread4
[2024-04-27 12:55:08,627 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread4
[2024-04-27 12:55:08,628 WARN  L213             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2024-04-27 12:55:08,680 INFO  L241             CfgBuilder]: Building ICFG
[2024-04-27 12:55:08,683 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-04-27 12:55:08,833 INFO  L282             CfgBuilder]: Performing block encoding
[2024-04-27 12:55:08,869 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-04-27 12:55:08,869 INFO  L309             CfgBuilder]: Removed 0 assume(true) statements.
[2024-04-27 12:55:08,871 INFO  L201        PluginConnector]: Adding new model buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 12:55:08 BoogieIcfgContainer
[2024-04-27 12:55:08,871 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-04-27 12:55:08,874 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-04-27 12:55:08,874 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-04-27 12:55:08,878 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-04-27 12:55:08,879 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 12:55:08" (1/2) ...
[2024-04-27 12:55:08,880 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c37f37d and model type buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 12:55:08, skipping insertion in model container
[2024-04-27 12:55:08,880 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 12:55:08" (2/2) ...
[2024-04-27 12:55:08,881 INFO  L112   eAbstractionObserver]: Analyzing ICFG buffer-series.wvr.bpl
[2024-04-27 12:55:08,891 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-04-27 12:55:08,899 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-04-27 12:55:08,900 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-04-27 12:55:08,900 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-04-27 12:55:08,960 INFO  L144    ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2024-04-27 12:55:09,014 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-04-27 12:55:09,015 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-04-27 12:55:09,015 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 12:55:09,017 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-04-27 12:55:09,037 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-04-27 12:55:09,065 INFO  L187   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-04-27 12:55:09,077 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 12:55:09,079 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-04-27 12:55:09,085 INFO  L357      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, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@713271d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=50, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false
[2024-04-27 12:55:09,086 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-04-27 12:55:09,133 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-04-27 12:55:09,135 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 12:55:09,135 INFO  L85        PathProgramCache]: Analyzing trace with hash -1461778335, now seen corresponding path program 1 times
[2024-04-27 12:55:09,142 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 12:55:09,143 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080858637]
[2024-04-27 12:55:09,143 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 12:55:09,144 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 12:55:09,223 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 12:55:09,312 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 12:55:09,313 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 12:55:09,313 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080858637]
[2024-04-27 12:55:09,314 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080858637] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-27 12:55:09,314 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-27 12:55:09,315 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-04-27 12:55:09,316 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88478086]
[2024-04-27 12:55:09,317 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-27 12:55:09,321 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-04-27 12:55:09,321 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 12:55:09,342 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-04-27 12:55:09,343 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-04-27 12:55:09,344 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 12:55:09,345 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 12:55:09,347 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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)
[2024-04-27 12:55:09,347 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 12:55:09,393 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 12:55:09,393 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-04-27 12:55:09,394 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-04-27 12:55:09,394 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 12:55:09,394 INFO  L85        PathProgramCache]: Analyzing trace with hash 588839871, now seen corresponding path program 1 times
[2024-04-27 12:55:09,394 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 12:55:09,395 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78669306]
[2024-04-27 12:55:09,395 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 12:55:09,395 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 12:55:09,409 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 12:55:09,532 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 12:55:09,532 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 12:55:09,532 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78669306]
[2024-04-27 12:55:09,533 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78669306] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-27 12:55:09,533 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-27 12:55:09,533 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-04-27 12:55:09,533 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132256721]
[2024-04-27 12:55:09,533 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-27 12:55:09,535 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-04-27 12:55:09,535 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 12:55:09,536 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-04-27 12:55:09,536 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-04-27 12:55:09,536 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 12:55:09,536 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 12:55:09,537 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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)
[2024-04-27 12:55:09,537 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 12:55:09,537 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 12:55:09,610 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 12:55:09,610 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:09,611 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-04-27 12:55:09,611 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-04-27 12:55:09,611 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 12:55:09,612 INFO  L85        PathProgramCache]: Analyzing trace with hash 640941063, now seen corresponding path program 1 times
[2024-04-27 12:55:09,612 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 12:55:09,612 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058630512]
[2024-04-27 12:55:09,612 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 12:55:09,612 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 12:55:09,623 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 12:55:09,711 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 12:55:09,711 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 12:55:09,711 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058630512]
[2024-04-27 12:55:09,712 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058630512] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-27 12:55:09,712 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-27 12:55:09,712 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-04-27 12:55:09,712 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819134549]
[2024-04-27 12:55:09,712 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-27 12:55:09,720 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-04-27 12:55:09,721 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 12:55:09,721 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-04-27 12:55:09,722 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-04-27 12:55:09,722 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 12:55:09,722 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 12:55:09,722 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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)
[2024-04-27 12:55:09,722 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 12:55:09,722 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:09,723 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 12:55:10,367 INFO  L85        PathProgramCache]: Analyzing trace with hash 1671922620, now seen corresponding path program 1 times
[2024-04-27 12:55:10,369 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 12:55:10,369 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 12:55:10,394 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 12:55:10,424 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 12:55:10,425 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 12:55:10,425 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 12:55:10,430 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 12:55:10,459 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 12:55:10,459 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-04-27 12:55:10,460 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-04-27 12:55:10,745 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 12:55:10,746 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:10,746 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:10,746 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2
[2024-04-27 12:55:10,746 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-04-27 12:55:10,747 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 12:55:10,747 INFO  L85        PathProgramCache]: Analyzing trace with hash -1005018021, now seen corresponding path program 1 times
[2024-04-27 12:55:10,747 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 12:55:10,747 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908879211]
[2024-04-27 12:55:10,748 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 12:55:10,748 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 12:55:10,756 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 12:55:10,787 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-27 12:55:10,788 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 12:55:10,788 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908879211]
[2024-04-27 12:55:10,788 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908879211] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-27 12:55:10,788 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-27 12:55:10,789 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-04-27 12:55:10,789 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419088714]
[2024-04-27 12:55:10,789 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-27 12:55:10,789 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-04-27 12:55:10,789 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 12:55:10,790 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-04-27 12:55:10,790 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-04-27 12:55:10,790 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 12:55:10,790 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 12:55:10,790 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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)
[2024-04-27 12:55:10,791 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 12:55:10,791 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:10,791 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:10,791 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 12:55:11,029 INFO  L85        PathProgramCache]: Analyzing trace with hash 1672854790, now seen corresponding path program 1 times
[2024-04-27 12:55:11,029 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 12:55:11,030 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 12:55:11,046 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-04-27 12:55:11,046 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-04-27 12:55:11,054 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-04-27 12:55:11,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 12:55:11,151 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:11,153 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:11,153 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-04-27 12:55:11,154 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,SelfDestructingSolverStorable5
[2024-04-27 12:55:11,154 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-04-27 12:55:11,155 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 12:55:11,155 INFO  L85        PathProgramCache]: Analyzing trace with hash 1654767272, now seen corresponding path program 1 times
[2024-04-27 12:55:11,160 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 12:55:11,161 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251741239]
[2024-04-27 12:55:11,161 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 12:55:11,161 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 12:55:11,180 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 12:55:11,228 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-27 12:55:11,228 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 12:55:11,228 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251741239]
[2024-04-27 12:55:11,229 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251741239] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-27 12:55:11,229 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-27 12:55:11,229 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-04-27 12:55:11,229 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941288776]
[2024-04-27 12:55:11,229 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-27 12:55:11,230 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-04-27 12:55:11,230 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 12:55:11,230 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-04-27 12:55:11,230 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-04-27 12:55:11,230 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 12:55:11,231 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 12:55:11,231 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 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)
[2024-04-27 12:55:11,231 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 12:55:11,231 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:11,232 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:11,232 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-04-27 12:55:11,232 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 12:55:11,537 INFO  L85        PathProgramCache]: Analyzing trace with hash 1672854790, now seen corresponding path program 2 times
[2024-04-27 12:55:11,537 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 12:55:11,537 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 12:55:11,543 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-04-27 12:55:11,543 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-04-27 12:55:11,547 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-04-27 12:55:11,566 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 12:55:11,567 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:11,567 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:11,567 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-04-27 12:55:11,567 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:11,567 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7
[2024-04-27 12:55:11,568 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-04-27 12:55:11,568 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 12:55:11,568 INFO  L85        PathProgramCache]: Analyzing trace with hash -1361035028, now seen corresponding path program 1 times
[2024-04-27 12:55:11,568 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 12:55:11,568 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260331813]
[2024-04-27 12:55:11,568 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 12:55:11,568 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 12:55:11,575 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 12:55:11,602 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 12:55:11,603 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 12:55:11,603 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260331813]
[2024-04-27 12:55:11,603 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260331813] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-27 12:55:11,603 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-27 12:55:11,603 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-04-27 12:55:11,603 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491447805]
[2024-04-27 12:55:11,604 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-27 12:55:11,604 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-04-27 12:55:11,604 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 12:55:11,604 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-04-27 12:55:11,605 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-04-27 12:55:11,605 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 12:55:11,605 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 12:55:11,605 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 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)
[2024-04-27 12:55:11,605 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 12:55:11,605 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:11,605 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:11,605 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-04-27 12:55:11,605 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:11,606 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 12:55:11,734 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 12:55:11,735 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:11,735 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:11,735 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-04-27 12:55:11,735 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:11,735 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:11,735 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-04-27 12:55:11,735 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-04-27 12:55:11,736 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 12:55:11,736 INFO  L85        PathProgramCache]: Analyzing trace with hash -1300205110, now seen corresponding path program 1 times
[2024-04-27 12:55:11,736 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 12:55:11,736 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317044991]
[2024-04-27 12:55:11,736 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 12:55:11,737 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 12:55:11,748 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 12:55:11,897 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 12:55:11,897 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 12:55:11,898 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317044991]
[2024-04-27 12:55:11,898 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317044991] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 12:55:11,898 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354981000]
[2024-04-27 12:55:11,898 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 12:55:11,899 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 12:55:11,899 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 12:55:11,908 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-27 12:55:11,935 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-04-27 12:55:11,970 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 12:55:11,976 INFO  L262         TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 23 conjunts are in the unsatisfiable core
[2024-04-27 12:55:11,978 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 12:55:12,151 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13
[2024-04-27 12:55:12,179 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11
[2024-04-27 12:55:12,206 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 12:55:12,206 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-27 12:55:12,249 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-27 12:55:12,249 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25
[2024-04-27 12:55:12,293 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-27 12:55:12,294 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 26
[2024-04-27 12:55:12,302 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-27 12:55:12,302 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 26
[2024-04-27 12:55:12,372 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 12:55:12,373 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354981000] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-27 12:55:12,373 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-27 12:55:12,373 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10
[2024-04-27 12:55:12,374 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198851102]
[2024-04-27 12:55:12,374 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-27 12:55:12,374 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-04-27 12:55:12,375 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 12:55:12,375 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-04-27 12:55:12,375 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110
[2024-04-27 12:55:12,375 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 12:55:12,376 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 12:55:12,376 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 10 states have internal predecessors, (46), 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)
[2024-04-27 12:55:12,376 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 12:55:12,376 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:12,376 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:12,377 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-04-27 12:55:12,377 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:12,377 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:12,377 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 12:55:12,679 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 12:55:12,679 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:12,680 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:12,681 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-04-27 12:55:12,681 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:12,681 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:12,681 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 12:55:12,690 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-04-27 12:55:12,887 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2024-04-27 12:55:12,888 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-04-27 12:55:12,888 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 12:55:12,888 INFO  L85        PathProgramCache]: Analyzing trace with hash 1241886440, now seen corresponding path program 2 times
[2024-04-27 12:55:12,888 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 12:55:12,888 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091708061]
[2024-04-27 12:55:12,888 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 12:55:12,889 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 12:55:12,899 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 12:55:12,971 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 12:55:12,971 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 12:55:12,971 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091708061]
[2024-04-27 12:55:12,972 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091708061] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 12:55:12,973 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715794136]
[2024-04-27 12:55:12,973 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-04-27 12:55:12,973 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 12:55:12,973 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 12:55:12,974 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-27 12:55:12,999 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-04-27 12:55:13,027 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-04-27 12:55:13,027 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-27 12:55:13,028 INFO  L262         TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core
[2024-04-27 12:55:13,030 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 12:55:13,067 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-04-27 12:55:13,067 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-04-27 12:55:13,068 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [715794136] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-27 12:55:13,068 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-04-27 12:55:13,068 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5
[2024-04-27 12:55:13,068 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745892586]
[2024-04-27 12:55:13,068 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-27 12:55:13,069 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-04-27 12:55:13,069 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 12:55:13,070 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-04-27 12:55:13,070 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30
[2024-04-27 12:55:13,070 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 12:55:13,070 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 12:55:13,070 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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)
[2024-04-27 12:55:13,070 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 12:55:13,070 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:13,071 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:13,071 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-04-27 12:55:13,071 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:13,071 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:13,071 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 12:55:13,071 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 12:55:13,210 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 12:55:13,210 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:13,210 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:13,210 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-04-27 12:55:13,210 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:13,210 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:13,210 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 12:55:13,210 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:13,219 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-04-27 12:55:13,416 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 12:55:13,416 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-04-27 12:55:13,417 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 12:55:13,417 INFO  L85        PathProgramCache]: Analyzing trace with hash 1293987632, now seen corresponding path program 3 times
[2024-04-27 12:55:13,417 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 12:55:13,417 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425994772]
[2024-04-27 12:55:13,417 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 12:55:13,417 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 12:55:13,423 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 12:55:13,495 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 12:55:13,496 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 12:55:13,496 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425994772]
[2024-04-27 12:55:13,496 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425994772] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 12:55:13,496 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239975668]
[2024-04-27 12:55:13,496 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-04-27 12:55:13,496 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 12:55:13,497 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 12:55:13,498 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-27 12:55:13,515 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-04-27 12:55:13,538 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-04-27 12:55:13,538 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-27 12:55:13,539 INFO  L262         TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core
[2024-04-27 12:55:13,540 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 12:55:13,573 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-27 12:55:13,573 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-04-27 12:55:13,573 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239975668] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-27 12:55:13,573 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-04-27 12:55:13,573 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5
[2024-04-27 12:55:13,573 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529320453]
[2024-04-27 12:55:13,573 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-27 12:55:13,574 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-04-27 12:55:13,574 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 12:55:13,574 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-04-27 12:55:13,575 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30
[2024-04-27 12:55:13,575 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 12:55:13,575 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 12:55:13,575 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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)
[2024-04-27 12:55:13,575 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 12:55:13,575 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:13,575 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:13,575 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-04-27 12:55:13,575 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:13,576 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:13,576 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 12:55:13,576 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:13,576 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 12:55:13,815 INFO  L85        PathProgramCache]: Analyzing trace with hash -276090829, now seen corresponding path program 1 times
[2024-04-27 12:55:13,815 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 12:55:13,816 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 12:55:13,823 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 12:55:13,864 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-04-27 12:55:13,864 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 12:55:13,864 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 12:55:13,869 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 12:55:13,891 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-04-27 12:55:13,898 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 12:55:13,898 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:13,898 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:13,898 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-04-27 12:55:13,898 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:13,898 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:13,898 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 12:55:13,898 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:13,898 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:13,908 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-04-27 12:55:14,107 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2024-04-27 12:55:14,108 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-04-27 12:55:14,109 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 12:55:14,109 INFO  L85        PathProgramCache]: Analyzing trace with hash 975215081, now seen corresponding path program 4 times
[2024-04-27 12:55:14,109 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 12:55:14,109 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152461589]
[2024-04-27 12:55:14,109 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 12:55:14,109 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 12:55:14,115 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 12:55:14,159 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-04-27 12:55:14,159 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 12:55:14,159 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152461589]
[2024-04-27 12:55:14,159 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152461589] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 12:55:14,160 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422957919]
[2024-04-27 12:55:14,160 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-04-27 12:55:14,160 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 12:55:14,160 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 12:55:14,161 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-27 12:55:14,177 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-04-27 12:55:14,203 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-04-27 12:55:14,203 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-27 12:55:14,204 INFO  L262         TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core
[2024-04-27 12:55:14,205 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 12:55:14,289 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-27 12:55:14,289 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-27 12:55:14,320 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-04-27 12:55:14,320 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [422957919] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-27 12:55:14,320 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-27 12:55:14,320 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 4] total 8
[2024-04-27 12:55:14,320 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633098174]
[2024-04-27 12:55:14,320 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-27 12:55:14,321 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-04-27 12:55:14,321 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 12:55:14,321 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-04-27 12:55:14,321 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2024-04-27 12:55:14,321 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 12:55:14,322 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 12:55:14,322 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-04-27 12:55:14,322 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 12:55:14,322 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:14,322 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:14,322 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-04-27 12:55:14,322 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:14,322 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:14,322 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 12:55:14,322 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:14,322 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:14,322 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 12:55:14,705 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6
[2024-04-27 12:55:14,834 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6
[2024-04-27 12:55:14,868 INFO  L85        PathProgramCache]: Analyzing trace with hash -423939046, now seen corresponding path program 1 times
[2024-04-27 12:55:14,869 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 12:55:14,869 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 12:55:14,880 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-04-27 12:55:14,880 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-04-27 12:55:14,885 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-04-27 12:55:14,979 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 12:55:14,979 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:14,979 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:14,979 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-04-27 12:55:14,979 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:14,980 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:14,980 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 12:55:14,980 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:14,980 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:14,980 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2024-04-27 12:55:14,986 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-04-27 12:55:15,185 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16
[2024-04-27 12:55:15,186 INFO  L420      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-04-27 12:55:15,186 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 12:55:15,186 INFO  L85        PathProgramCache]: Analyzing trace with hash 1998435474, now seen corresponding path program 5 times
[2024-04-27 12:55:15,186 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 12:55:15,186 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837226912]
[2024-04-27 12:55:15,186 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 12:55:15,186 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 12:55:15,195 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 12:55:15,233 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-04-27 12:55:15,233 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 12:55:15,233 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837226912]
[2024-04-27 12:55:15,233 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837226912] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 12:55:15,234 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349650179]
[2024-04-27 12:55:15,234 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-04-27 12:55:15,234 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 12:55:15,234 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 12:55:15,235 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-27 12:55:15,237 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-04-27 12:55:15,285 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s)
[2024-04-27 12:55:15,285 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-27 12:55:15,286 INFO  L262         TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core
[2024-04-27 12:55:15,287 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 12:55:15,368 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-27 12:55:15,369 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-27 12:55:15,402 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-04-27 12:55:15,403 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349650179] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-27 12:55:15,403 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-27 12:55:15,403 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 4] total 8
[2024-04-27 12:55:15,403 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506561703]
[2024-04-27 12:55:15,403 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-27 12:55:15,404 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-04-27 12:55:15,404 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 12:55:15,404 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-04-27 12:55:15,404 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2024-04-27 12:55:15,404 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 12:55:15,405 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 12:55:15,405 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-04-27 12:55:15,405 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 12:55:15,405 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:15,405 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:15,405 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-04-27 12:55:15,405 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:15,405 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:15,405 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 12:55:15,405 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:15,405 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:15,405 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2024-04-27 12:55:15,405 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 12:55:15,883 INFO  L85        PathProgramCache]: Analyzing trace with hash -275158659, now seen corresponding path program 2 times
[2024-04-27 12:55:15,883 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 12:55:15,883 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 12:55:15,890 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-04-27 12:55:15,890 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-04-27 12:55:15,894 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-04-27 12:55:15,955 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 12:55:15,956 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:15,956 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:15,956 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-04-27 12:55:15,956 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:15,956 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:15,956 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 12:55:15,956 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:15,956 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:15,956 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2024-04-27 12:55:15,956 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-04-27 12:55:15,964 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2024-04-27 12:55:16,162 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17
[2024-04-27 12:55:16,162 INFO  L420      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-04-27 12:55:16,163 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 12:55:16,163 INFO  L85        PathProgramCache]: Analyzing trace with hash 484159249, now seen corresponding path program 6 times
[2024-04-27 12:55:16,163 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 12:55:16,163 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181961216]
[2024-04-27 12:55:16,163 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 12:55:16,163 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 12:55:16,169 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 12:55:16,209 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-04-27 12:55:16,209 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 12:55:16,209 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181961216]
[2024-04-27 12:55:16,209 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181961216] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 12:55:16,209 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813001725]
[2024-04-27 12:55:16,209 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2024-04-27 12:55:16,210 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 12:55:16,210 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 12:55:16,211 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-27 12:55:16,227 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-04-27 12:55:16,250 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s)
[2024-04-27 12:55:16,250 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-27 12:55:16,251 INFO  L262         TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core
[2024-04-27 12:55:16,252 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 12:55:16,279 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2024-04-27 12:55:16,279 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-04-27 12:55:16,279 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813001725] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-27 12:55:16,279 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-04-27 12:55:16,279 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4
[2024-04-27 12:55:16,279 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208325205]
[2024-04-27 12:55:16,279 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-27 12:55:16,280 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-04-27 12:55:16,280 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 12:55:16,281 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-04-27 12:55:16,281 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-04-27 12:55:16,281 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 12:55:16,281 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 12:55:16,281 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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)
[2024-04-27 12:55:16,282 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 12:55:16,282 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:16,282 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:16,282 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-04-27 12:55:16,282 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:16,282 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:16,282 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 12:55:16,282 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:16,282 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:16,282 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2024-04-27 12:55:16,282 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2024-04-27 12:55:16,282 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 12:55:16,579 INFO  L85        PathProgramCache]: Analyzing trace with hash -275158659, now seen corresponding path program 3 times
[2024-04-27 12:55:16,580 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 12:55:16,580 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 12:55:16,592 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-04-27 12:55:16,592 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-04-27 12:55:16,603 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-04-27 12:55:16,615 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 12:55:16,615 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:16,615 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:16,615 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-04-27 12:55:16,615 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:16,615 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:16,615 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 12:55:16,616 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:16,616 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:16,616 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2024-04-27 12:55:16,616 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-04-27 12:55:16,616 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:16,624 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2024-04-27 12:55:16,824 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20
[2024-04-27 12:55:16,825 INFO  L420      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-04-27 12:55:16,825 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 12:55:16,825 INFO  L85        PathProgramCache]: Analyzing trace with hash 1763324245, now seen corresponding path program 7 times
[2024-04-27 12:55:16,825 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 12:55:16,825 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224261610]
[2024-04-27 12:55:16,826 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 12:55:16,826 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 12:55:16,832 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 12:55:16,873 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-04-27 12:55:16,873 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 12:55:16,873 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224261610]
[2024-04-27 12:55:16,873 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224261610] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 12:55:16,874 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653982518]
[2024-04-27 12:55:16,874 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2024-04-27 12:55:16,874 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 12:55:16,874 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 12:55:16,875 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-27 12:55:16,894 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-04-27 12:55:16,916 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 12:55:16,917 INFO  L262         TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core
[2024-04-27 12:55:16,918 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 12:55:16,949 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2024-04-27 12:55:16,950 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-04-27 12:55:16,950 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653982518] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-27 12:55:16,950 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-04-27 12:55:16,950 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4
[2024-04-27 12:55:16,950 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962201911]
[2024-04-27 12:55:16,951 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-27 12:55:16,951 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-04-27 12:55:16,951 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 12:55:16,951 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-04-27 12:55:16,951 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-04-27 12:55:16,951 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 12:55:16,951 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 12:55:16,952 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-04-27 12:55:16,952 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 12:55:16,952 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:16,952 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:16,952 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-04-27 12:55:16,952 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:16,952 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:16,952 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 12:55:16,952 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:16,952 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:16,952 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2024-04-27 12:55:16,952 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2024-04-27 12:55:16,952 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:16,952 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 12:55:17,165 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 12:55:17,165 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:17,165 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:17,165 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-04-27 12:55:17,165 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:17,165 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:17,165 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 12:55:17,165 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:17,165 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:17,165 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2024-04-27 12:55:17,165 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-04-27 12:55:17,166 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:17,166 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:17,174 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2024-04-27 12:55:17,374 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 12:55:17,374 INFO  L420      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-04-27 12:55:17,375 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 12:55:17,375 INFO  L85        PathProgramCache]: Analyzing trace with hash -973083661, now seen corresponding path program 8 times
[2024-04-27 12:55:17,375 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 12:55:17,375 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524613679]
[2024-04-27 12:55:17,375 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 12:55:17,375 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 12:55:17,386 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 12:55:18,021 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 12:55:18,021 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 12:55:18,021 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524613679]
[2024-04-27 12:55:18,021 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524613679] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 12:55:18,021 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597615336]
[2024-04-27 12:55:18,021 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-04-27 12:55:18,021 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 12:55:18,021 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 12:55:18,025 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-27 12:55:18,041 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-04-27 12:55:18,068 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-04-27 12:55:18,068 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-27 12:55:18,069 INFO  L262         TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 43 conjunts are in the unsatisfiable core
[2024-04-27 12:55:18,072 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 12:55:18,494 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29
[2024-04-27 12:55:18,548 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-27 12:55:18,549 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 27
[2024-04-27 12:55:18,586 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 12:55:18,586 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-27 12:55:18,833 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-27 12:55:18,833 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 69
[2024-04-27 12:55:19,030 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-27 12:55:19,030 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 69
[2024-04-27 12:55:19,052 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-27 12:55:19,053 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 85
[2024-04-27 12:55:19,477 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-27 12:55:19,477 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [597615336] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-27 12:55:19,477 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-27 12:55:19,477 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 12] total 34
[2024-04-27 12:55:19,478 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543488517]
[2024-04-27 12:55:19,479 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-27 12:55:19,479 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 35 states
[2024-04-27 12:55:19,480 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-27 12:55:19,480 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants.
[2024-04-27 12:55:19,481 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=1006, Unknown=0, NotChecked=0, Total=1190
[2024-04-27 12:55:19,481 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 12:55:19,481 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-27 12:55:19,481 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 35 states, 35 states have (on average 2.4285714285714284) internal successors, (85), 34 states have internal predecessors, (85), 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)
[2024-04-27 12:55:19,481 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 12:55:19,481 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:19,481 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:19,481 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-04-27 12:55:19,481 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:19,481 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:19,481 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 12:55:19,481 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:19,482 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:19,482 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2024-04-27 12:55:19,482 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2024-04-27 12:55:19,482 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:19,482 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:19,482 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-27 12:55:22,760 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-27 12:55:22,760 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:22,760 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:22,761 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-04-27 12:55:22,761 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:22,761 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:22,761 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-27 12:55:22,761 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:22,761 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:22,761 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2024-04-27 12:55:22,761 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-04-27 12:55:22,761 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:22,761 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-27 12:55:22,761 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2024-04-27 12:55:22,772 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2024-04-27 12:55:22,966 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 12:55:22,967 INFO  L420      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-04-27 12:55:22,967 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-27 12:55:22,968 INFO  L85        PathProgramCache]: Analyzing trace with hash -468888955, now seen corresponding path program 9 times
[2024-04-27 12:55:22,968 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-27 12:55:22,968 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135145425]
[2024-04-27 12:55:22,968 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-27 12:55:22,968 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-27 12:55:23,014 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-27 12:55:24,538 INFO  L134       CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-04-27 12:55:24,539 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-27 12:55:24,539 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135145425]
[2024-04-27 12:55:24,539 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135145425] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-27 12:55:24,539 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504792552]
[2024-04-27 12:55:24,539 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-04-27 12:55:24,539 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-27 12:55:24,539 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-27 12:55:24,541 INFO  L229       MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-27 12:55:24,542 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-04-27 12:55:24,635 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s)
[2024-04-27 12:55:24,635 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-27 12:55:24,636 WARN  L260         TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 87 conjunts are in the unsatisfiable core
[2024-04-27 12:55:24,638 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-27 12:55:26,495 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-27 12:55:26,495 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 83 treesize of output 159
[2024-04-27 12:55:27,709 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:28,079 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:28,134 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:28,423 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:28,662 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:29,031 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:29,158 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:29,441 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:29,483 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:29,759 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:29,848 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:29,892 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:30,384 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:30,665 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:30,743 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:30,788 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:31,229 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:31,523 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:31,539 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:31,841 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:32,050 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:32,115 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:32,212 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:32,268 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:32,593 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:33,015 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:33,193 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:33,475 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:33,516 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:33,874 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:34,008 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:34,078 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:34,180 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:34,507 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:34,571 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:34,629 WARN  L667   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-04-27 12:55:35,255 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-04-27 12:55:35,256 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-04-27 12:55:35,267 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-04-27 12:55:35,308 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-27 12:55:35,308 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 243 treesize of output 267
[2024-04-27 12:55:38,412 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-04-27 12:55:38,414 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-04-27 12:55:38,415 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-04-27 12:55:48,049 WARN  L293               SmtUtils]: Spent 9.62s on a formula simplification that was a NOOP. DAG size: 1167 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1)
[2024-04-27 12:55:48,050 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-27 12:55:48,051 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 9 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 267 case distinctions, treesize of input 706 treesize of output 2709
[2024-04-27 13:01:29,602 WARN  L249               Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory")

[2024-04-27 13:01:29,603 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101
[2024-04-27 13:01:29,604 WARN  L320   FreeRefinementEngine]: Global settings require throwing the following exception
[2024-04-27 13:01:29,609 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2024-04-27 13:01:29,804 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23
[2024-04-27 13:01:29,805 FATAL L?                        ?]: An unrecoverable error occured during an interaction with an SMT solver:
de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")

	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262)
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277)
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90)
	at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107)
	at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:268)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:410)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:394)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:500)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:298)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.<init>(TraceCheckSpWp.java:162)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:85)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:82)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:340)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:154)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518)
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701)
	at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383)
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258)
	... 77 more
[2024-04-27 13:01:29,810 INFO  L158              Benchmark]: Toolchain (without parser) took 381380.82ms. Allocated memory was 313.5MB in the beginning and 940.6MB in the end (delta: 627.0MB). Free memory was 279.0MB in the beginning and 595.9MB in the end (delta: -316.9MB). Peak memory consumption was 587.0MB. Max. memory is 8.0GB.
[2024-04-27 13:01:29,811 INFO  L158              Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 313.5MB. Free memory is still 280.1MB. There was no memory consumed. Max. memory is 8.0GB.
[2024-04-27 13:01:29,811 INFO  L158              Benchmark]: Boogie Procedure Inliner took 52.36ms. Allocated memory is still 313.5MB. Free memory was 278.8MB in the beginning and 286.4MB in the end (delta: -7.6MB). Peak memory consumption was 2.2MB. Max. memory is 8.0GB.
[2024-04-27 13:01:29,811 INFO  L158              Benchmark]: Boogie Preprocessor took 30.65ms. Allocated memory is still 313.5MB. Free memory was 285.9MB in the beginning and 284.9MB in the end (delta: 996.4kB). There was no memory consumed. Max. memory is 8.0GB.
[2024-04-27 13:01:29,811 INFO  L158              Benchmark]: RCFGBuilder took 346.66ms. Allocated memory is still 313.5MB. Free memory was 284.9MB in the beginning and 272.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
[2024-04-27 13:01:29,812 INFO  L158              Benchmark]: TraceAbstraction took 380936.05ms. Allocated memory was 313.5MB in the beginning and 940.6MB in the end (delta: 627.0MB). Free memory was 271.7MB in the beginning and 595.9MB in the end (delta: -324.2MB). Peak memory consumption was 580.6MB. Max. memory is 8.0GB.
[2024-04-27 13:01:29,812 INFO  L338   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 0.14ms. Allocated memory is still 313.5MB. Free memory is still 280.1MB. There was no memory consumed. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 52.36ms. Allocated memory is still 313.5MB. Free memory was 278.8MB in the beginning and 286.4MB in the end (delta: -7.6MB). Peak memory consumption was 2.2MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 30.65ms. Allocated memory is still 313.5MB. Free memory was 285.9MB in the beginning and 284.9MB in the end (delta: 996.4kB). There was no memory consumed. Max. memory is 8.0GB.
 * RCFGBuilder took 346.66ms. Allocated memory is still 313.5MB. Free memory was 284.9MB in the beginning and 272.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
 * TraceAbstraction took 380936.05ms. Allocated memory was 313.5MB in the beginning and 940.6MB in the end (delta: 627.0MB). Free memory was 271.7MB in the beginning and 595.9MB in the end (delta: -324.2MB). Peak memory consumption was 580.6MB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")

    de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2024-04-27 13:01:29,827 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
Received shutdown request...