/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/elimination_backoff_stack.line11193.bpl


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


This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m
[2022-10-03 16:35:57,228 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2022-10-03 16:35:57,317 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-10-03 16:35:57,318 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
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[2022-10-03 16:35:57,334 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2022-10-03 16:35:57,336 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-10-03 16:35:57,337 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf
[2022-10-03 16:35:57,371 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-10-03 16:35:57,371 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-03 16:35:57,371 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-03 16:35:57,372 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-03 16:35:57,372 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-03 16:35:57,373 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-03 16:35:57,373 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-03 16:35:57,373 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-10-03 16:35:57,373 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-10-03 16:35:57,373 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-03 16:35:57,374 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-10-03 16:35:57,374 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-10-03 16:35:57,375 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-10-03 16:35:57,375 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-10-03 16:35:57,375 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-10-03 16:35:57,375 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-03 16:35:57,375 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-10-03 16:35:57,375 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-10-03 16:35:57,375 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-10-03 16:35:57,375 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-10-03 16:35:57,376 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-10-03 16:35:57,376 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-03 16:35:57,376 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-10-03 16:35:57,377 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-10-03 16:35:57,377 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-10-03 16:35:57,377 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-03 16:35:57,378 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-03 16:35:57,378 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-10-03 16:35:57,378 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-10-03 16:35:57,378 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-10-03 16:35:57,378 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-10-03 16:35:57,378 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-10-03 16:35:57,379 INFO  L138        SettingsManager]:  * Abstraction used for commutativity in POR=VARIABLES_GLOBAL
[2022-10-03 16:35:57,379 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-10-03 16:35:57,379 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-10-03 16:35:57,379 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION
[2022-10-03 16:35:57,379 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2022-10-03 16:35:57,379 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-10-03 16:35:57,379 INFO  L138        SettingsManager]:  * Independence relation used for POR in concurrent analysis=SYNTACTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-10-03 16:35:57,616 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-03 16:35:57,640 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-03 16:35:57,642 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-03 16:35:57,643 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-10-03 16:35:57,644 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2022-10-03 16:35:57,646 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/elimination_backoff_stack.line11193.bpl
[2022-10-03 16:35:57,646 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/elimination_backoff_stack.line11193.bpl'
[2022-10-03 16:35:57,980 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-03 16:35:57,982 INFO  L131        ToolchainWalker]: Walking toolchain with 3 elements.
[2022-10-03 16:35:57,984 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-10-03 16:35:57,984 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-10-03 16:35:57,984 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-10-03 16:35:57,999 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "elimination_backoff_stack.line11193.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 04:35:57" (1/1) ...
[2022-10-03 16:35:58,000 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "elimination_backoff_stack.line11193.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 04:35:57" (1/1) ...
[2022-10-03 16:35:58,117 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "elimination_backoff_stack.line11193.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 04:35:57" (1/1) ...
[2022-10-03 16:35:58,118 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "elimination_backoff_stack.line11193.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 04:35:57" (1/1) ...
[2022-10-03 16:35:58,310 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "elimination_backoff_stack.line11193.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 04:35:57" (1/1) ...
[2022-10-03 16:35:58,344 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "elimination_backoff_stack.line11193.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 04:35:57" (1/1) ...
[2022-10-03 16:35:58,376 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "elimination_backoff_stack.line11193.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 04:35:57" (1/1) ...
[2022-10-03 16:35:58,470 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-10-03 16:35:58,472 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-10-03 16:35:58,473 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-10-03 16:35:58,473 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-10-03 16:35:58,475 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "elimination_backoff_stack.line11193.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 04:35:57" (1/1) ...
[2022-10-03 16:35:58,482 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-03 16:35:58,499 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-03 16:35:58,521 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-10-03 16:35:58,546 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-10-03 16:35:58,567 INFO  L130     BoogieDeclarations]: Found specification of procedure instrPush2
[2022-10-03 16:35:58,567 INFO  L138     BoogieDeclarations]: Found implementation of procedure instrPush2
[2022-10-03 16:35:58,567 INFO  L130     BoogieDeclarations]: Found specification of procedure instrPush1
[2022-10-03 16:35:58,567 INFO  L138     BoogieDeclarations]: Found implementation of procedure instrPush1
[2022-10-03 16:35:58,567 INFO  L130     BoogieDeclarations]: Found specification of procedure instrPush0
[2022-10-03 16:35:58,567 INFO  L138     BoogieDeclarations]: Found implementation of procedure instrPush0
[2022-10-03 16:35:58,568 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-10-03 16:35:58,568 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-10-03 16:35:58,568 INFO  L130     BoogieDeclarations]: Found specification of procedure instrPop5
[2022-10-03 16:35:58,568 INFO  L138     BoogieDeclarations]: Found implementation of procedure instrPop5
[2022-10-03 16:35:58,568 INFO  L130     BoogieDeclarations]: Found specification of procedure instrPop6
[2022-10-03 16:35:58,568 INFO  L138     BoogieDeclarations]: Found implementation of procedure instrPop6
[2022-10-03 16:35:58,569 INFO  L130     BoogieDeclarations]: Found specification of procedure instrPop3
[2022-10-03 16:35:58,569 INFO  L138     BoogieDeclarations]: Found implementation of procedure instrPop3
[2022-10-03 16:35:58,570 INFO  L130     BoogieDeclarations]: Found specification of procedure instrPop4
[2022-10-03 16:35:58,570 INFO  L138     BoogieDeclarations]: Found implementation of procedure instrPop4
[2022-10-03 16:35:58,574 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-10-03 16:35:59,112 INFO  L234             CfgBuilder]: Building ICFG
[2022-10-03 16:35:59,113 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-10-03 16:36:04,487 INFO  L275             CfgBuilder]: Performing block encoding
[2022-10-03 16:36:04,541 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-10-03 16:36:04,541 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2022-10-03 16:36:04,553 INFO  L202        PluginConnector]: Adding new model elimination_backoff_stack.line11193.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 04:36:04 BoogieIcfgContainer
[2022-10-03 16:36:04,554 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-10-03 16:36:04,557 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-10-03 16:36:04,557 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-10-03 16:36:04,562 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-10-03 16:36:04,562 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "elimination_backoff_stack.line11193.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 04:35:57" (1/2) ...
[2022-10-03 16:36:04,563 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@181b4d6d and model type elimination_backoff_stack.line11193.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 04:36:04, skipping insertion in model container
[2022-10-03 16:36:04,563 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "elimination_backoff_stack.line11193.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 04:36:04" (2/2) ...
[2022-10-03 16:36:04,565 INFO  L112   eAbstractionObserver]: Analyzing ICFG elimination_backoff_stack.line11193.bpl
[2022-10-03 16:36:04,573 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-10-03 16:36:04,581 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-10-03 16:36:04,582 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-10-03 16:36:04,582 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-10-03 16:36:05,919 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-10-03 16:36:06,233 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-10-03 16:36:06,234 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-03 16:36:06,234 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-03 16:36:06,235 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-10-03 16:36:06,236 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2022-10-03 16:36:06,280 INFO  L158   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-03 16:36:06,289 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == instrPop3Err0ASSERT_VIOLATIONASSERT ========
[2022-10-03 16:36:06,296 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=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@78350765, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-03 16:36:06,296 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-03 16:36:06,299 WARN  L124    DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly.
[2022-10-03 16:36:06,302 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location instrPop3Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining)
[2022-10-03 16:36:06,307 INFO  L444         BasicCegarLoop]: Path program histogram: []
[2022-10-03 16:36:06,309 INFO  L307   ceAbstractionStarter]: Result for error location instrPop3Err0ASSERT_VIOLATIONASSERT was SAFE (1/9)
[2022-10-03 16:36:06,410 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-10-03 16:36:06,411 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-03 16:36:06,411 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-03 16:36:06,417 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-10-03 16:36:06,419 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process
[2022-10-03 16:36:06,431 INFO  L158   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-03 16:36:06,432 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ========
[2022-10-03 16:36:06,433 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=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@78350765, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-03 16:36:06,433 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-03 16:36:06,552 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining)
[2022-10-03 16:36:06,554 INFO  L444         BasicCegarLoop]: Path program histogram: []
[2022-10-03 16:36:06,554 INFO  L307   ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/9)
[2022-10-03 16:36:06,638 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-10-03 16:36:06,639 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-03 16:36:06,639 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-03 16:36:06,688 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-10-03 16:36:06,691 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process
[2022-10-03 16:36:06,702 INFO  L158   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-03 16:36:06,707 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ========
[2022-10-03 16:36:06,708 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=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@78350765, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-03 16:36:06,708 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.