/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 RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq-array.wvr.bpl


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


This is Ultimate 0.2.4-wip.dk.conditional-comm-faa7b7a-m
[2024-04-28 14:35:29,670 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-04-28 14:35:29,737 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf
[2024-04-28 14:35:29,742 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-04-28 14:35:29,742 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-04-28 14:35:29,770 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-04-28 14:35:29,770 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-04-28 14:35:29,770 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-04-28 14:35:29,771 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-04-28 14:35:29,774 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-04-28 14:35:29,774 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-04-28 14:35:29,774 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-04-28 14:35:29,774 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-04-28 14:35:29,776 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-04-28 14:35:29,776 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-04-28 14:35:29,776 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-04-28 14:35:29,776 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-04-28 14:35:29,776 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-04-28 14:35:29,777 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-04-28 14:35:29,777 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-04-28 14:35:29,777 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-04-28 14:35:29,777 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-04-28 14:35:29,778 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-04-28 14:35:29,778 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-04-28 14:35:29,778 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-04-28 14:35:29,779 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-04-28 14:35:29,779 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-04-28 14:35:29,779 INFO  L153        SettingsManager]:  * To the following directory=./dump/
[2024-04-28 14:35:29,779 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-04-28 14:35:29,779 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-04-28 14:35:29,780 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-04-28 14:35:29,780 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-04-28 14:35:29,780 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-04-28 14:35:29,781 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-04-28 14:35:29,781 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2024-04-28 14:35:29,781 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-04-28 14:35:29,781 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-04-28 14:35:29,781 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-04-28 14:35:29,781 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-04-28 14:35:29,781 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10
[2024-04-28 14:35:29,992 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-04-28 14:35:30,011 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-04-28 14:35:30,013 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-04-28 14:35:30,014 INFO  L270        PluginConnector]: Initializing Boogie PL CUP Parser...
[2024-04-28 14:35:30,016 INFO  L274        PluginConnector]: Boogie PL CUP Parser initialized
[2024-04-28 14:35:30,017 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq-array.wvr.bpl
[2024-04-28 14:35:30,017 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq-array.wvr.bpl'
[2024-04-28 14:35:30,052 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-04-28 14:35:30,053 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2024-04-28 14:35:30,054 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-04-28 14:35:30,054 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-04-28 14:35:30,055 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-04-28 14:35:30,064 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:35:30" (1/1) ...
[2024-04-28 14:35:30,084 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:35:30" (1/1) ...
[2024-04-28 14:35:30,089 INFO  L138                Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2024-04-28 14:35:30,090 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-04-28 14:35:30,092 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-04-28 14:35:30,092 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-04-28 14:35:30,092 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-04-28 14:35:30,099 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:35:30" (1/1) ...
[2024-04-28 14:35:30,099 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:35:30" (1/1) ...
[2024-04-28 14:35:30,100 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:35:30" (1/1) ...
[2024-04-28 14:35:30,101 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:35:30" (1/1) ...
[2024-04-28 14:35:30,104 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:35:30" (1/1) ...
[2024-04-28 14:35:30,109 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:35:30" (1/1) ...
[2024-04-28 14:35:30,110 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:35:30" (1/1) ...
[2024-04-28 14:35:30,110 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:35:30" (1/1) ...
[2024-04-28 14:35:30,111 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-04-28 14:35:30,112 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-04-28 14:35:30,113 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-04-28 14:35:30,113 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-04-28 14:35:30,113 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:35:30" (1/1) ...
[2024-04-28 14:35:30,117 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-04-28 14:35:30,124 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 14:35:30,150 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)
[2024-04-28 14:35:30,170 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
[2024-04-28 14:35:30,197 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration
[2024-04-28 14:35:30,197 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2024-04-28 14:35:30,198 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2024-04-28 14:35:30,198 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration
[2024-04-28 14:35:30,198 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2024-04-28 14:35:30,198 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2024-04-28 14:35:30,198 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2024-04-28 14:35:30,198 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-04-28 14:35:30,198 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-04-28 14:35:30,199 WARN  L213             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2024-04-28 14:35:30,244 INFO  L241             CfgBuilder]: Building ICFG
[2024-04-28 14:35:30,246 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-04-28 14:35:30,329 INFO  L282             CfgBuilder]: Performing block encoding
[2024-04-28 14:35:30,342 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-04-28 14:35:30,343 INFO  L309             CfgBuilder]: Removed 0 assume(true) statements.
[2024-04-28 14:35:30,344 INFO  L201        PluginConnector]: Adding new model dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 02:35:30 BoogieIcfgContainer
[2024-04-28 14:35:30,344 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-04-28 14:35:30,345 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-04-28 14:35:30,345 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-04-28 14:35:30,348 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-04-28 14:35:30,348 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:35:30" (1/2) ...
[2024-04-28 14:35:30,349 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@580c7e8f and model type dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 02:35:30, skipping insertion in model container
[2024-04-28 14:35:30,349 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 02:35:30" (2/2) ...
[2024-04-28 14:35:30,351 INFO  L112   eAbstractionObserver]: Analyzing ICFG dec-subseq-array.wvr.bpl
[2024-04-28 14:35:30,357 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-04-28 14:35:30,363 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-04-28 14:35:30,363 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-04-28 14:35:30,363 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-04-28 14:35:30,404 INFO  L144    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-04-28 14:35:30,431 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-04-28 14:35:30,431 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-04-28 14:35:30,432 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 14:35:30,462 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)
[2024-04-28 14:35:30,466 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
[2024-04-28 14:35:30,491 INFO  L187   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-04-28 14:35:30,500 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:35:30,501 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-04-28 14:35:30,507 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;@62d8c901, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546, mConComCheckerConditionCriterion=false
[2024-04-28 14:35:30,507 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-04-28 14:35:30,526 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-28 14:35:30,528 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:35:30,528 INFO  L85        PathProgramCache]: Analyzing trace with hash 1302130147, now seen corresponding path program 1 times
[2024-04-28 14:35:30,534 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 14:35:30,534 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454086809]
[2024-04-28 14:35:30,534 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:35:30,535 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:35:30,591 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:35:30,636 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:35:30,636 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 14:35:30,636 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454086809]
[2024-04-28 14:35:30,637 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454086809] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-28 14:35:30,637 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-28 14:35:30,637 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-04-28 14:35:30,638 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015496421]
[2024-04-28 14:35:30,638 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-28 14:35:30,641 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-04-28 14:35:30,641 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 14:35:30,656 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-04-28 14:35:30,657 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-04-28 14:35:30,657 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-28 14:35:30,658 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 14:35:30,659 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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)
[2024-04-28 14:35:30,659 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-28 14:35:30,681 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-28 14:35:30,681 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-04-28 14:35:30,682 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-28 14:35:30,682 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:35:30,682 INFO  L85        PathProgramCache]: Analyzing trace with hash -397927904, now seen corresponding path program 1 times
[2024-04-28 14:35:30,682 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 14:35:30,682 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918933998]
[2024-04-28 14:35:30,682 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:35:30,683 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:35:30,690 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:35:30,750 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:35:30,750 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 14:35:30,750 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918933998]
[2024-04-28 14:35:30,751 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918933998] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-28 14:35:30,751 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-28 14:35:30,751 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-04-28 14:35:30,751 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112552136]
[2024-04-28 14:35:30,751 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-28 14:35:30,753 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-04-28 14:35:30,753 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 14:35:30,753 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-04-28 14:35:30,753 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-04-28 14:35:30,753 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-28 14:35:30,754 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 14:35:30,754 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 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)
[2024-04-28 14:35:30,754 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-28 14:35:30,754 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-28 14:35:30,955 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-28 14:35:30,956 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-28 14:35:30,956 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-04-28 14:35:30,956 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-28 14:35:30,957 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:35:30,957 INFO  L85        PathProgramCache]: Analyzing trace with hash -585855702, now seen corresponding path program 1 times
[2024-04-28 14:35:30,957 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 14:35:30,957 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668189326]
[2024-04-28 14:35:30,957 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:35:30,957 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:35:30,971 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:35:31,178 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:35:31,178 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 14:35:31,178 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668189326]
[2024-04-28 14:35:31,179 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668189326] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-28 14:35:31,179 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827124386]
[2024-04-28 14:35:31,179 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:35:31,179 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:35:31,179 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 14:35:31,182 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)
[2024-04-28 14:35:31,183 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-04-28 14:35:31,259 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:35:31,261 INFO  L262         TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjunts are in the unsatisfiable core
[2024-04-28 14:35:31,265 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-28 14:35:31,412 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 13 treesize of output 9
[2024-04-28 14:35:31,452 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 11 treesize of output 7
[2024-04-28 14:35:31,465 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:35:31,466 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-28 14:35:31,547 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 14:35:31,552 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 15 treesize of output 19
[2024-04-28 14:35:31,578 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 16 treesize of output 12
[2024-04-28 14:35:31,618 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:35:31,619 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827124386] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-28 14:35:31,619 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-28 14:35:31,619 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 11
[2024-04-28 14:35:31,619 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947246109]
[2024-04-28 14:35:31,619 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-28 14:35:31,621 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-04-28 14:35:31,621 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 14:35:31,623 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-04-28 14:35:31,623 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132
[2024-04-28 14:35:31,624 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-28 14:35:31,624 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 14:35:31,624 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-04-28 14:35:31,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-28 14:35:31,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-28 14:35:31,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-28 14:35:31,795 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-28 14:35:31,796 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-28 14:35:31,796 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-04-28 14:35:31,804 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-04-28 14:35:32,001 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,SelfDestructingSolverStorable2
[2024-04-28 14:35:32,002 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-28 14:35:32,002 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:35:32,002 INFO  L85        PathProgramCache]: Analyzing trace with hash -1463763481, now seen corresponding path program 2 times
[2024-04-28 14:35:32,003 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 14:35:32,003 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446191530]
[2024-04-28 14:35:32,003 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:35:32,003 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:35:32,012 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:35:32,105 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:35:32,105 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 14:35:32,105 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446191530]
[2024-04-28 14:35:32,106 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446191530] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-28 14:35:32,106 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514640010]
[2024-04-28 14:35:32,106 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-04-28 14:35:32,106 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:35:32,106 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 14:35:32,119 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)
[2024-04-28 14:35:32,121 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-04-28 14:35:32,163 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-04-28 14:35:32,163 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-28 14:35:32,163 INFO  L262         TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core
[2024-04-28 14:35:32,165 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-28 14:35:32,200 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-28 14:35:32,200 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-04-28 14:35:32,201 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1514640010] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-28 14:35:32,201 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-04-28 14:35:32,201 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5
[2024-04-28 14:35:32,201 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745296484]
[2024-04-28 14:35:32,201 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-28 14:35:32,201 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-04-28 14:35:32,201 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 14:35:32,202 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-04-28 14:35:32,202 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30
[2024-04-28 14:35:32,202 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-28 14:35:32,202 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 14:35:32,202 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)
[2024-04-28 14:35:32,202 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-28 14:35:32,202 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-28 14:35:32,202 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2024-04-28 14:35:32,202 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-28 14:35:32,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-28 14:35:32,318 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-28 14:35:32,318 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-04-28 14:35:32,318 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-28 14:35:32,324 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-04-28 14:35:32,518 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:35:32,519 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-28 14:35:32,519 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:35:32,519 INFO  L85        PathProgramCache]: Analyzing trace with hash 555625923, now seen corresponding path program 3 times
[2024-04-28 14:35:32,519 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 14:35:32,520 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507908932]
[2024-04-28 14:35:32,520 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:35:32,520 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:35:32,554 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:35:32,888 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-04-28 14:35:32,889 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 14:35:32,889 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507908932]
[2024-04-28 14:35:32,889 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507908932] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-28 14:35:32,889 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037210348]
[2024-04-28 14:35:32,889 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-04-28 14:35:32,889 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:35:32,889 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 14:35:32,890 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)
[2024-04-28 14:35:32,908 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-04-28 14:35:32,934 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2024-04-28 14:35:32,934 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-28 14:35:32,935 INFO  L262         TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 24 conjunts are in the unsatisfiable core
[2024-04-28 14:35:32,936 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-28 14:35:33,209 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 14:35:33,210 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 26 treesize of output 26
[2024-04-28 14:35:33,254 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 14:35:33,254 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 30
[2024-04-28 14:35:33,348 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:35:33,348 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-28 14:35:33,652 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 14:35:33,653 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 38
[2024-04-28 14:35:33,804 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-04-28 14:35:33,805 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 69 treesize of output 127
[2024-04-28 14:35:34,000 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-04-28 14:35:34,000 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037210348] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-28 14:35:34,000 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-28 14:35:34,000 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37
[2024-04-28 14:35:34,001 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502775574]
[2024-04-28 14:35:34,001 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-28 14:35:34,001 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 38 states
[2024-04-28 14:35:34,001 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 14:35:34,002 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants.
[2024-04-28 14:35:34,002 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=1171, Unknown=0, NotChecked=0, Total=1406
[2024-04-28 14:35:34,002 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-28 14:35:34,002 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 14:35:34,003 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 38 states, 38 states have (on average 2.210526315789474) internal successors, (84), 37 states have internal predecessors, (84), 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)
[2024-04-28 14:35:34,003 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-28 14:35:34,003 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-28 14:35:34,003 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2024-04-28 14:35:34,003 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-28 14:35:34,003 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-28 14:35:34,433 INFO  L349             Elim1Store]: treesize reduction 8, result has 68.0 percent of original size
[2024-04-28 14:35:34,433 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 42
[2024-04-28 14:35:34,462 INFO  L173   IndexEqualityManager]: detected equality via solver
[2024-04-28 14:35:34,462 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 18 treesize of output 8
[2024-04-28 14:35:34,527 INFO  L173   IndexEqualityManager]: detected equality via solver
[2024-04-28 14:35:34,527 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 23
[2024-04-28 14:35:34,579 INFO  L85        PathProgramCache]: Analyzing trace with hash -1621804502, now seen corresponding path program 1 times
[2024-04-28 14:35:34,580 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:35:34,580 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:35:34,584 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:35:34,589 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-04-28 14:35:34,589 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:35:34,590 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:35:34,593 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:35:34,597 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-04-28 14:35:34,598 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-04-28 14:35:34,598 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-04-28 14:35:35,666 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-04-28 14:35:35,666 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-28 14:35:35,666 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-04-28 14:35:35,666 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-04-28 14:35:35,667 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2024-04-28 14:35:35,674 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-04-28 14:35:35,871 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:35:35,872 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-04-28 14:35:35,872 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-28 14:35:35,872 INFO  L85        PathProgramCache]: Analyzing trace with hash -1642684981, now seen corresponding path program 4 times
[2024-04-28 14:35:35,873 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-28 14:35:35,873 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085110048]
[2024-04-28 14:35:35,873 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-28 14:35:35,873 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-28 14:35:35,889 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-28 14:35:35,948 INFO  L134       CoverageAnalysis]: Checked inductivity of 83 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-04-28 14:35:35,949 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-28 14:35:35,949 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085110048]
[2024-04-28 14:35:35,949 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085110048] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-28 14:35:35,949 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052142964]
[2024-04-28 14:35:35,949 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-04-28 14:35:35,949 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-28 14:35:35,949 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-28 14:35:35,953 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)
[2024-04-28 14:35:35,976 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-04-28 14:35:36,011 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-04-28 14:35:36,011 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-28 14:35:36,012 INFO  L262         TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core
[2024-04-28 14:35:36,015 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-28 14:35:36,067 INFO  L134       CoverageAnalysis]: Checked inductivity of 83 backedges. 51 proven. 5 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked.
[2024-04-28 14:35:36,067 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-28 14:35:36,139 INFO  L134       CoverageAnalysis]: Checked inductivity of 83 backedges. 51 proven. 5 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked.
[2024-04-28 14:35:36,140 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052142964] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-28 14:35:36,140 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-28 14:35:36,140 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 6
[2024-04-28 14:35:36,140 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566814724]
[2024-04-28 14:35:36,140 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-28 14:35:36,140 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-04-28 14:35:36,140 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-28 14:35:36,141 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-04-28 14:35:36,141 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-04-28 14:35:36,141 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-28 14:35:36,141 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-28 14:35:36,141 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 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)
[2024-04-28 14:35:36,141 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-04-28 14:35:36,141 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-28 14:35:36,141 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2024-04-28 14:35:36,141 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-04-28 14:35:36,141 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2024-04-28 14:35:36,141 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-28 14:35:36,384 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-04-28 14:35:36,582 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,SelfDestructingSolverStorable7
[2024-04-28 14:35:36,583 FATAL L?                        ?]: An unrecoverable error occured during an interaction with an SMT solver:
de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Function c_aux_v_i_15 is already defined.
	at de.uni_freiburg.informatik.ultimate.logic.NoopScript.declareFun(NoopScript.java:229)
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.declareFun(Scriptor.java:115)
	at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.declareFun(WrapperScript.java:137)
	at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.declareFun(WrapperScript.java:137)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.declareFun(HistoryRecordingScript.java:95)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.declareFun(ManagedScript.java:181)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.variables.ProgramVarUtils.constructConstantForAuxVar(ProgramVarUtils.java:117)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.computeClosedFormula(UnmodifiableTransFormula.java:135)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.<init>(UnmodifiableTransFormula.java:90)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:320)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition(TransFormulaUtils.java:324)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceConditionGenerator.compose(SemanticIndependenceConditionGenerator.java:178)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceConditionGenerator.withGuard(SemanticIndependenceConditionGenerator.java:186)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceConditionGenerator.generateCondition(SemanticIndependenceConditionGenerator.java:135)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityChecker.checkConditionalCommutativity(ConditionalCommutativityChecker.java:134)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityCheckerVisitor.discoverState(ConditionalCommutativityCheckerVisitor.java:186)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityCheckerVisitor.discoverState(ConditionalCommutativityCheckerVisitor.java:1)
	at de.uni_freiburg.informatik.ultimate.automata.partialorder.visitors.DeadEndOptimizingSearchVisitor.discoverState(DeadEndOptimizingSearchVisitor.java:73)
	at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:222)
	at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:165)
	at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.<init>(DepthFirstTraversal.java:98)
	at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:122)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:321)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:328)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:466)
	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)
[2024-04-28 14:35:36,586 INFO  L158              Benchmark]: Toolchain (without parser) took 6532.31ms. Allocated memory was 191.9MB in the beginning and 286.3MB in the end (delta: 94.4MB). Free memory was 164.3MB in the beginning and 146.0MB in the end (delta: 18.3MB). Peak memory consumption was 113.0MB. Max. memory is 8.0GB.
[2024-04-28 14:35:36,586 INFO  L158              Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 191.9MB. Free memory was 154.1MB in the beginning and 153.9MB in the end (delta: 154.3kB). There was no memory consumed. Max. memory is 8.0GB.
[2024-04-28 14:35:36,586 INFO  L158              Benchmark]: Boogie Procedure Inliner took 36.42ms. Allocated memory is still 191.9MB. Free memory was 164.1MB in the beginning and 162.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2024-04-28 14:35:36,586 INFO  L158              Benchmark]: Boogie Preprocessor took 19.54ms. Allocated memory is still 191.9MB. Free memory was 162.7MB in the beginning and 161.5MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2024-04-28 14:35:36,587 INFO  L158              Benchmark]: RCFGBuilder took 231.35ms. Allocated memory is still 191.9MB. Free memory was 161.5MB in the beginning and 151.3MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
[2024-04-28 14:35:36,587 INFO  L158              Benchmark]: TraceAbstraction took 6239.82ms. Allocated memory was 191.9MB in the beginning and 286.3MB in the end (delta: 94.4MB). Free memory was 150.1MB in the beginning and 146.0MB in the end (delta: 4.1MB). Peak memory consumption was 99.3MB. Max. memory is 8.0GB.
[2024-04-28 14:35:36,588 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 0.10ms. Allocated memory is still 191.9MB. Free memory was 154.1MB in the beginning and 153.9MB in the end (delta: 154.3kB). There was no memory consumed. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 36.42ms. Allocated memory is still 191.9MB. Free memory was 164.1MB in the beginning and 162.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 19.54ms. Allocated memory is still 191.9MB. Free memory was 162.7MB in the beginning and 161.5MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
 * RCFGBuilder took 231.35ms. Allocated memory is still 191.9MB. Free memory was 161.5MB in the beginning and 151.3MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
 * TraceAbstraction took 6239.82ms. Allocated memory was 191.9MB in the beginning and 286.3MB in the end (delta: 94.4MB). Free memory was 150.1MB in the beginning and 146.0MB in the end (delta: 4.1MB). Peak memory consumption was 99.3MB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - ExceptionOrErrorResult: SMTLIBException: Function c_aux_v_i_15 is already defined.
    de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Function c_aux_v_i_15 is already defined.: de.uni_freiburg.informatik.ultimate.logic.NoopScript.declareFun(NoopScript.java:229)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2024-04-28 14:35:36,603 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
[2024-04-28 14:35:36,807 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...