/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.trace.refinement.strategy BADGER -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk27/chl-nzb-file-trans.wvr.line941.bpl


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


This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m
[2022-10-24 16:57:31,783 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2022-10-24 16:57:31,831 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
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[2022-10-24 16:57:31,838 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
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[2022-10-24 16:57:31,855 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf
[2022-10-24 16:57:31,888 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-10-24 16:57:31,888 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-24 16:57:31,889 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-24 16:57:31,889 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-24 16:57:31,890 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-24 16:57:31,890 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-24 16:57:31,892 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-24 16:57:31,892 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-10-24 16:57:31,892 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-10-24 16:57:31,892 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-24 16:57:31,893 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-10-24 16:57:31,893 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-10-24 16:57:31,893 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-10-24 16:57:31,893 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-10-24 16:57:31,893 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-10-24 16:57:31,893 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-24 16:57:31,893 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-10-24 16:57:31,893 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-10-24 16:57:31,893 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-10-24 16:57:31,894 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-10-24 16:57:31,894 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-10-24 16:57:31,894 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-24 16:57:31,894 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-10-24 16:57:31,894 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-10-24 16:57:31,894 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-10-24 16:57:31,894 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-24 16:57:31,894 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-24 16:57:31,894 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-10-24 16:57:31,894 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-10-24 16:57:31,894 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-10-24 16:57:31,895 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-10-24 16:57:31,895 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-10-24 16:57:31,895 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-10-24 16:57:31,895 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-10-24 16:57:31,895 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2022-10-24 16:57:31,895 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER
[2022-10-24 16:57:32,150 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-24 16:57:32,174 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-24 16:57:32,176 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-24 16:57:32,177 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-10-24 16:57:32,179 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2022-10-24 16:57:32,180 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk27/chl-nzb-file-trans.wvr.line941.bpl
[2022-10-24 16:57:32,180 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk27/chl-nzb-file-trans.wvr.line941.bpl'
[2022-10-24 16:57:32,250 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-24 16:57:32,251 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2022-10-24 16:57:32,252 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-10-24 16:57:32,252 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-10-24 16:57:32,253 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-10-24 16:57:32,262 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "chl-nzb-file-trans.wvr.line941.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:57:32" (1/1) ...
[2022-10-24 16:57:32,285 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "chl-nzb-file-trans.wvr.line941.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:57:32" (1/1) ...
[2022-10-24 16:57:32,291 INFO  L138                Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2022-10-24 16:57:32,292 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-10-24 16:57:32,293 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-10-24 16:57:32,294 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-10-24 16:57:32,294 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-10-24 16:57:32,300 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "chl-nzb-file-trans.wvr.line941.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:57:32" (1/1) ...
[2022-10-24 16:57:32,300 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "chl-nzb-file-trans.wvr.line941.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:57:32" (1/1) ...
[2022-10-24 16:57:32,312 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "chl-nzb-file-trans.wvr.line941.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:57:32" (1/1) ...
[2022-10-24 16:57:32,312 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "chl-nzb-file-trans.wvr.line941.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:57:32" (1/1) ...
[2022-10-24 16:57:32,336 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "chl-nzb-file-trans.wvr.line941.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:57:32" (1/1) ...
[2022-10-24 16:57:32,342 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "chl-nzb-file-trans.wvr.line941.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:57:32" (1/1) ...
[2022-10-24 16:57:32,346 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "chl-nzb-file-trans.wvr.line941.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:57:32" (1/1) ...
[2022-10-24 16:57:32,352 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-10-24 16:57:32,353 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-10-24 16:57:32,353 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-10-24 16:57:32,353 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-10-24 16:57:32,359 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "chl-nzb-file-trans.wvr.line941.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:57:32" (1/1) ...
[2022-10-24 16:57:32,366 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-24 16:57:32,374 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-24 16:57:32,385 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)
[2022-10-24 16:57:32,397 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
[2022-10-24 16:57:32,430 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2022-10-24 16:57:32,430 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2022-10-24 16:57:32,430 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2022-10-24 16:57:32,430 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2022-10-24 16:57:32,430 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-10-24 16:57:32,430 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-10-24 16:57:32,431 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2022-10-24 16:57:32,431 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2022-10-24 16:57:32,433 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-10-24 16:57:32,542 INFO  L234             CfgBuilder]: Building ICFG
[2022-10-24 16:57:32,543 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-10-24 16:57:33,459 INFO  L275             CfgBuilder]: Performing block encoding
[2022-10-24 16:57:33,482 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-10-24 16:57:33,482 INFO  L299             CfgBuilder]: Removed 6 assume(true) statements.
[2022-10-24 16:57:33,485 INFO  L202        PluginConnector]: Adding new model chl-nzb-file-trans.wvr.line941.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:57:33 BoogieIcfgContainer
[2022-10-24 16:57:33,485 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-10-24 16:57:33,487 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-10-24 16:57:33,487 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-10-24 16:57:33,489 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-10-24 16:57:33,489 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "chl-nzb-file-trans.wvr.line941.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:57:32" (1/2) ...
[2022-10-24 16:57:33,490 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a6c585 and model type chl-nzb-file-trans.wvr.line941.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:57:33, skipping insertion in model container
[2022-10-24 16:57:33,490 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "chl-nzb-file-trans.wvr.line941.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:57:33" (2/2) ...
[2022-10-24 16:57:33,491 INFO  L112   eAbstractionObserver]: Analyzing ICFG chl-nzb-file-trans.wvr.line941.bpl
[2022-10-24 16:57:33,497 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-10-24 16:57:33,505 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-10-24 16:57:33,505 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-10-24 16:57:33,506 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-10-24 16:57:33,675 INFO  L144    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2022-10-24 16:57:33,733 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-24 16:57:33,733 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-24 16:57:33,733 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-24 16:57:33,735 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)
[2022-10-24 16:57:33,751 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
[2022-10-24 16:57:33,765 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-24 16:57:33,771 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ========
[2022-10-24 16:57:33,776 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;@4fd4d4b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-24 16:57:33,776 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-24 16:57:33,863 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining)
[2022-10-24 16:57:33,868 INFO  L444         BasicCegarLoop]: Path program histogram: []
[2022-10-24 16:57:33,870 INFO  L307   ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (1/5)
[2022-10-24 16:57:33,882 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-24 16:57:33,883 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-24 16:57:33,883 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-24 16:57:33,884 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)
[2022-10-24 16:57:33,885 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
[2022-10-24 16:57:33,889 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-24 16:57:33,889 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ========
[2022-10-24 16:57:33,890 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;@4fd4d4b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-24 16:57:33,890 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-24 16:58:02,360 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining)
[2022-10-24 16:58:02,366 INFO  L444         BasicCegarLoop]: Path program histogram: []
[2022-10-24 16:58:02,371 INFO  L307   ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/5)
[2022-10-24 16:58:02,391 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-24 16:58:02,392 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-24 16:58:02,392 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-24 16:58:02,410 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)
[2022-10-24 16:58:02,411 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
[2022-10-24 16:58:02,423 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-24 16:58:02,424 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ========
[2022-10-24 16:58:02,424 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;@4fd4d4b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-24 16:58:02,424 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-24 16:58:02,536 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining)
[2022-10-24 16:58:02,537 INFO  L444         BasicCegarLoop]: Path program histogram: []
[2022-10-24 16:58:02,538 INFO  L307   ceAbstractionStarter]: Result for error location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/5)
[2022-10-24 16:58:02,547 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-24 16:58:02,548 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-24 16:58:02,548 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-24 16:58:02,549 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-10-24 16:58:02,550 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process
[2022-10-24 16:58:02,553 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-24 16:58:02,553 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread3Err0ASSERT_VIOLATIONASSERT ========
[2022-10-24 16:58:02,554 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;@4fd4d4b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-24 16:58:02,554 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-24 16:58:02,554 WARN  L124    DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly.
[2022-10-24 16:58:02,554 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining)
[2022-10-24 16:58:02,555 INFO  L444         BasicCegarLoop]: Path program histogram: []
[2022-10-24 16:58:02,555 INFO  L307   ceAbstractionStarter]: Result for error location thread3Err0ASSERT_VIOLATIONASSERT was SAFE (4/5)
[2022-10-24 16:58:02,563 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-24 16:58:02,563 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-24 16:58:02,563 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-24 16:58:02,565 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-10-24 16:58:02,566 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process
[2022-10-24 16:58:02,568 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-24 16:58:02,569 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread3Err0ASSERT_VIOLATIONASSERT ========
[2022-10-24 16:58:02,569 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;@4fd4d4b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-24 16:58:02,569 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-24 16:58:02,586 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting thread3Err0ASSERT_VIOLATIONASSERT === [thread3Err0ASSERT_VIOLATIONASSERT] ===
[2022-10-24 16:58:02,589 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-24 16:58:02,590 INFO  L85        PathProgramCache]: Analyzing trace with hash 1163514301, now seen corresponding path program 1 times
[2022-10-24 16:58:02,596 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-24 16:58:02,596 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846756910]
[2022-10-24 16:58:02,596 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-24 16:58:02,597 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-24 16:58:02,703 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-24 16:58:03,136 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-24 16:58:03,137 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-24 16:58:03,137 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846756910]
[2022-10-24 16:58:03,137 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846756910] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-24 16:58:03,137 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-24 16:58:03,137 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-24 16:58:03,138 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190531394]
[2022-10-24 16:58:03,139 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-24 16:58:03,146 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-10-24 16:58:03,146 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-24 16:58:03,182 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-10-24 16:58:03,186 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-10-24 16:58:03,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:58:03,201 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-24 16:58:03,203 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 202.5) internal successors, (405), 2 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-24 16:58:03,203 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:59:05,973 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:59:05,974 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-10-24 16:59:05,974 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting thread3Err0ASSERT_VIOLATIONASSERT === [thread3Err0ASSERT_VIOLATIONASSERT] ===
[2022-10-24 16:59:05,975 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-24 16:59:05,988 INFO  L85        PathProgramCache]: Analyzing trace with hash 1671267458, now seen corresponding path program 1 times
[2022-10-24 16:59:05,989 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-24 16:59:05,989 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133404101]
[2022-10-24 16:59:05,989 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-24 16:59:05,989 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-24 16:59:06,126 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-24 16:59:06,250 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-24 16:59:06,250 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-24 16:59:06,250 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133404101]
[2022-10-24 16:59:06,250 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133404101] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-24 16:59:06,250 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-24 16:59:06,250 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-10-24 16:59:06,251 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735457653]
[2022-10-24 16:59:06,251 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-24 16:59:06,251 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-10-24 16:59:06,251 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-24 16:59:06,252 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-10-24 16:59:06,252 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2022-10-24 16:59:06,252 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:59:06,253 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-24 16:59:06,254 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 79.4) internal successors, (397), 6 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-24 16:59:06,254 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:59:06,254 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.