/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/fib_safe-7.i


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


This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-fffa3fa-m
[2023-09-04 21:25:47,489 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-09-04 21:25:47,527 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf
[2023-09-04 21:25:47,534 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-09-04 21:25:47,534 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-09-04 21:25:47,534 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2023-09-04 21:25:47,546 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-09-04 21:25:47,547 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-09-04 21:25:47,547 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-09-04 21:25:47,547 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-09-04 21:25:47,548 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-09-04 21:25:47,548 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-09-04 21:25:47,548 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-09-04 21:25:47,548 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-09-04 21:25:47,549 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-09-04 21:25:47,549 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-09-04 21:25:47,549 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-09-04 21:25:47,549 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-09-04 21:25:47,550 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-09-04 21:25:47,550 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-09-04 21:25:47,550 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-09-04 21:25:47,551 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-09-04 21:25:47,551 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-09-04 21:25:47,551 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-09-04 21:25:47,551 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-09-04 21:25:47,552 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-09-04 21:25:47,552 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-09-04 21:25:47,552 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-09-04 21:25:47,552 INFO  L153        SettingsManager]:  * To the following directory=./dump/
[2023-09-04 21:25:47,552 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-09-04 21:25:47,553 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-09-04 21:25:47,553 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-09-04 21:25:47,553 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-09-04 21:25:47,553 INFO  L153        SettingsManager]:  * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL
[2023-09-04 21:25:47,553 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-09-04 21:25:47,554 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-09-04 21:25:47,554 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-09-04 21:25:47,554 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-09-04 21:25:47,554 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2023-09-04 21:25:47,554 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-09-04 21:25:47,555 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS
[2023-09-04 21:25:47,555 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/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-09-04 21:25:47,734 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-09-04 21:25:47,746 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-09-04 21:25:47,748 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-09-04 21:25:47,749 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-09-04 21:25:47,749 INFO  L274        PluginConnector]: CDTParser initialized
[2023-09-04 21:25:47,750 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_safe-7.i
[2023-09-04 21:25:48,883 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-09-04 21:25:49,064 INFO  L384              CDTParser]: Found 1 translation units.
[2023-09-04 21:25:49,064 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-7.i
[2023-09-04 21:25:49,075 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b841ad5ca/74922e16eae742a899973b9109296480/FLAGc46fa8e2c
[2023-09-04 21:25:49,088 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b841ad5ca/74922e16eae742a899973b9109296480
[2023-09-04 21:25:49,089 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-09-04 21:25:49,090 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-09-04 21:25:49,091 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-09-04 21:25:49,091 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-09-04 21:25:49,095 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-09-04 21:25:49,096 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:25:49" (1/1) ...
[2023-09-04 21:25:49,096 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@604354e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:25:49, skipping insertion in model container
[2023-09-04 21:25:49,096 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:25:49" (1/1) ...
[2023-09-04 21:25:49,138 INFO  L176         MainTranslator]: Built tables and reachable declarations
[2023-09-04 21:25:49,307 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-7.i[30241,30254]
[2023-09-04 21:25:49,324 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-09-04 21:25:49,332 INFO  L201         MainTranslator]: Completed pre-run
[2023-09-04 21:25:49,356 WARN  L75    lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [229]
[2023-09-04 21:25:49,358 WARN  L75    lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [230]
[2023-09-04 21:25:49,377 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-7.i[30241,30254]
[2023-09-04 21:25:49,382 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-09-04 21:25:49,407 WARN  L669               CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-09-04 21:25:49,407 WARN  L669               CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-09-04 21:25:49,412 INFO  L206         MainTranslator]: Completed translation
[2023-09-04 21:25:49,414 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:25:49 WrapperNode
[2023-09-04 21:25:49,414 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-09-04 21:25:49,415 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-09-04 21:25:49,415 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-09-04 21:25:49,416 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-09-04 21:25:49,420 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:25:49" (1/1) ...
[2023-09-04 21:25:49,435 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:25:49" (1/1) ...
[2023-09-04 21:25:49,455 INFO  L138                Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76
[2023-09-04 21:25:49,456 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-09-04 21:25:49,456 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-09-04 21:25:49,456 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-09-04 21:25:49,456 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-09-04 21:25:49,463 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:25:49" (1/1) ...
[2023-09-04 21:25:49,464 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:25:49" (1/1) ...
[2023-09-04 21:25:49,477 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:25:49" (1/1) ...
[2023-09-04 21:25:49,477 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:25:49" (1/1) ...
[2023-09-04 21:25:49,480 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:25:49" (1/1) ...
[2023-09-04 21:25:49,482 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:25:49" (1/1) ...
[2023-09-04 21:25:49,483 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:25:49" (1/1) ...
[2023-09-04 21:25:49,484 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:25:49" (1/1) ...
[2023-09-04 21:25:49,485 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-09-04 21:25:49,486 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-09-04 21:25:49,486 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-09-04 21:25:49,486 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-09-04 21:25:49,487 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:25:49" (1/1) ...
[2023-09-04 21:25:49,497 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-09-04 21:25:49,507 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-04 21:25:49,530 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)
[2023-09-04 21:25:49,547 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
[2023-09-04 21:25:49,560 INFO  L130     BoogieDeclarations]: Found specification of procedure t1
[2023-09-04 21:25:49,560 INFO  L138     BoogieDeclarations]: Found implementation of procedure t1
[2023-09-04 21:25:49,560 INFO  L130     BoogieDeclarations]: Found specification of procedure t2
[2023-09-04 21:25:49,560 INFO  L138     BoogieDeclarations]: Found implementation of procedure t2
[2023-09-04 21:25:49,560 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-09-04 21:25:49,560 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-09-04 21:25:49,560 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-09-04 21:25:49,560 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-09-04 21:25:49,560 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-09-04 21:25:49,561 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-09-04 21:25:49,561 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-09-04 21:25:49,561 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-09-04 21:25:49,561 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-09-04 21:25:49,562 WARN  L210             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-09-04 21:25:49,733 INFO  L236             CfgBuilder]: Building ICFG
[2023-09-04 21:25:49,735 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-09-04 21:25:49,992 INFO  L277             CfgBuilder]: Performing block encoding
[2023-09-04 21:25:49,997 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-09-04 21:25:49,997 INFO  L302             CfgBuilder]: Removed 3 assume(true) statements.
[2023-09-04 21:25:49,999 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:25:49 BoogieIcfgContainer
[2023-09-04 21:25:49,999 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-09-04 21:25:50,012 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-09-04 21:25:50,012 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-09-04 21:25:50,015 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-09-04 21:25:50,015 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 09:25:49" (1/3) ...
[2023-09-04 21:25:50,015 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d6f781c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:25:50, skipping insertion in model container
[2023-09-04 21:25:50,015 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:25:49" (2/3) ...
[2023-09-04 21:25:50,016 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d6f781c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:25:50, skipping insertion in model container
[2023-09-04 21:25:50,016 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:25:49" (3/3) ...
[2023-09-04 21:25:50,017 INFO  L112   eAbstractionObserver]: Analyzing ICFG fib_safe-7.i
[2023-09-04 21:25:50,022 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-09-04 21:25:50,056 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-09-04 21:25:50,056 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-09-04 21:25:50,056 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-09-04 21:25:50,160 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-09-04 21:25:50,201 INFO  L103   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-09-04 21:25:50,202 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2023-09-04 21:25:50,202 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-04 21:25:50,205 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)
[2023-09-04 21:25:50,206 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
[2023-09-04 21:25:50,259 INFO  L166   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2023-09-04 21:25:50,297 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-09-04 21:25:50,303 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;@6c5fbdb0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-09-04 21:25:50,304 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
[2023-09-04 21:25:51,231 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2023-09-04 21:25:51,237 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-04 21:25:51,237 INFO  L85        PathProgramCache]: Analyzing trace with hash 1875915451, now seen corresponding path program 1 times
[2023-09-04 21:25:51,243 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-04 21:25:51,244 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906984201]
[2023-09-04 21:25:51,246 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-04 21:25:51,247 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-04 21:25:51,324 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-04 21:25:51,478 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-04 21:25:51,478 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-04 21:25:51,478 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906984201]
[2023-09-04 21:25:51,479 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906984201] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-04 21:25:51,479 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204754628]
[2023-09-04 21:25:51,479 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-04 21:25:51,479 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-04 21:25:51,479 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-04 21:25:51,538 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-04 21:25:51,539 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-09-04 21:25:51,607 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-04 21:25:51,608 INFO  L262         TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-09-04 21:25:51,611 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-04 21:25:51,652 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-04 21:25:51,652 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-04 21:25:51,680 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-04 21:25:51,681 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [204754628] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-04 21:25:51,681 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-04 21:25:51,681 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10
[2023-09-04 21:25:51,683 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637593181]
[2023-09-04 21:25:51,683 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-04 21:25:51,688 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-09-04 21:25:51,688 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-04 21:25:51,702 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-09-04 21:25:51,703 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2023-09-04 21:25:51,704 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-04 21:25:51,705 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-04 21:25:51,705 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 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)
[2023-09-04 21:25:51,705 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
[2023-09-04 21:25:51,762 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-04 21:25:51,769 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-09-04 21:25:51,967 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2023-09-04 21:25:51,967 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2023-09-04 21:25:51,967 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-04 21:25:51,968 INFO  L85        PathProgramCache]: Analyzing trace with hash -1053492738, now seen corresponding path program 2 times
[2023-09-04 21:25:51,968 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-04 21:25:51,968 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327403888]
[2023-09-04 21:25:51,968 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-04 21:25:51,968 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-04 21:25:52,004 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-04 21:25:52,283 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-04 21:25:52,283 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-04 21:25:52,283 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327403888]
[2023-09-04 21:25:52,283 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327403888] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-04 21:25:52,283 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843397422]
[2023-09-04 21:25:52,283 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-09-04 21:25:52,284 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-04 21:25:52,284 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-04 21:25:52,297 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-04 21:25:52,348 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-09-04 21:25:52,404 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-09-04 21:25:52,405 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-04 21:25:52,406 INFO  L262         TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 10 conjunts are in the unsatisfiable core
[2023-09-04 21:25:52,407 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-04 21:25:52,456 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-04 21:25:52,457 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-04 21:25:52,559 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-04 21:25:52,560 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [843397422] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-04 21:25:52,560 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-04 21:25:52,560 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22
[2023-09-04 21:25:52,560 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099953006]
[2023-09-04 21:25:52,560 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-04 21:25:52,561 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 22 states
[2023-09-04 21:25:52,561 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-04 21:25:52,561 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2023-09-04 21:25:52,562 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=330, Unknown=0, NotChecked=0, Total=462
[2023-09-04 21:25:52,562 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-04 21:25:52,562 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-04 21:25:52,562 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 22 states, 22 states have (on average 5.2727272727272725) internal successors, (116), 22 states have internal predecessors, (116), 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)
[2023-09-04 21:25:52,563 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-04 21:25:52,563 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
[2023-09-04 21:25:52,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-04 21:25:52,748 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2023-09-04 21:25:52,767 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2023-09-04 21:25:52,952 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-04 21:25:52,952 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2023-09-04 21:25:52,953 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-04 21:25:52,954 INFO  L85        PathProgramCache]: Analyzing trace with hash 1358851614, now seen corresponding path program 3 times
[2023-09-04 21:25:52,954 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-04 21:25:52,954 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943559413]
[2023-09-04 21:25:52,954 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-04 21:25:52,954 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-04 21:25:53,021 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-04 21:25:53,480 INFO  L134       CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-04 21:25:53,480 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-04 21:25:53,480 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943559413]
[2023-09-04 21:25:53,483 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943559413] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-04 21:25:53,483 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633006107]
[2023-09-04 21:25:53,483 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-09-04 21:25:53,483 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-04 21:25:53,484 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-04 21:25:53,485 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-04 21:25:53,537 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-09-04 21:25:53,630 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s)
[2023-09-04 21:25:53,630 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-04 21:25:53,631 INFO  L262         TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 22 conjunts are in the unsatisfiable core
[2023-09-04 21:25:53,641 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-04 21:25:53,756 INFO  L134       CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-04 21:25:53,756 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-04 21:25:54,071 INFO  L134       CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-04 21:25:54,072 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [633006107] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-04 21:25:54,072 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-04 21:25:54,073 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 35
[2023-09-04 21:25:54,075 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579413478]
[2023-09-04 21:25:54,079 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-04 21:25:54,080 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 35 states
[2023-09-04 21:25:54,080 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-04 21:25:54,081 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants.
[2023-09-04 21:25:54,081 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=867, Unknown=0, NotChecked=0, Total=1190
[2023-09-04 21:25:54,081 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-04 21:25:54,082 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-04 21:25:54,082 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 35 states, 35 states have (on average 4.714285714285714) internal successors, (165), 35 states have internal predecessors, (165), 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)
[2023-09-04 21:25:54,082 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-04 21:25:54,082 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2023-09-04 21:25:54,082 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
[2023-09-04 21:25:54,530 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-04 21:25:54,531 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2023-09-04 21:25:54,531 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2023-09-04 21:25:54,553 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2023-09-04 21:25:54,736 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-04 21:25:54,736 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2023-09-04 21:25:54,736 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-04 21:25:54,736 INFO  L85        PathProgramCache]: Analyzing trace with hash 370337723, now seen corresponding path program 4 times
[2023-09-04 21:25:54,737 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-04 21:25:54,737 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270407437]
[2023-09-04 21:25:54,737 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-04 21:25:54,737 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-04 21:25:54,783 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-04 21:25:55,545 INFO  L134       CoverageAnalysis]: Checked inductivity of 969 backedges. 878 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-04 21:25:55,545 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-04 21:25:55,545 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270407437]
[2023-09-04 21:25:55,545 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270407437] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-04 21:25:55,545 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796827625]
[2023-09-04 21:25:55,545 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2023-09-04 21:25:55,545 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-04 21:25:55,546 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-04 21:25:55,546 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-04 21:25:55,565 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2023-09-04 21:25:55,650 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2023-09-04 21:25:55,650 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-04 21:25:55,658 INFO  L262         TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 34 conjunts are in the unsatisfiable core
[2023-09-04 21:25:55,661 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-04 21:25:55,922 INFO  L134       CoverageAnalysis]: Checked inductivity of 969 backedges. 969 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-04 21:25:55,922 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-09-04 21:25:55,923 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [796827625] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-04 21:25:55,923 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-09-04 21:25:55,923 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [35] total 37
[2023-09-04 21:25:55,923 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242536713]
[2023-09-04 21:25:55,924 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-04 21:25:55,924 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 35 states
[2023-09-04 21:25:55,924 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-04 21:25:55,925 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants.
[2023-09-04 21:25:55,925 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=329, Invalid=1003, Unknown=0, NotChecked=0, Total=1332
[2023-09-04 21:25:55,925 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-04 21:25:55,925 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-04 21:25:55,925 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 35 states, 35 states have (on average 4.857142857142857) internal successors, (170), 35 states have internal predecessors, (170), 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)
[2023-09-04 21:25:55,925 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-04 21:25:55,926 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2023-09-04 21:25:55,926 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2023-09-04 21:25:55,926 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
[2023-09-04 21:25:56,656 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-04 21:25:56,656 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2023-09-04 21:25:56,656 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2023-09-04 21:25:56,656 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2023-09-04 21:25:56,665 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2023-09-04 21:25:56,861 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-04 21:25:56,861 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2023-09-04 21:25:56,862 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-04 21:25:56,862 INFO  L85        PathProgramCache]: Analyzing trace with hash 1675934270, now seen corresponding path program 5 times
[2023-09-04 21:25:56,862 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-04 21:25:56,862 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888225181]
[2023-09-04 21:25:56,862 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-04 21:25:56,862 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-04 21:25:56,895 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-04 21:25:59,262 INFO  L134       CoverageAnalysis]: Checked inductivity of 856 backedges. 0 proven. 856 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-04 21:25:59,262 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-04 21:25:59,262 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888225181]
[2023-09-04 21:25:59,263 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888225181] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-04 21:25:59,263 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021067751]
[2023-09-04 21:25:59,263 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2023-09-04 21:25:59,263 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-04 21:25:59,263 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-04 21:25:59,264 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-04 21:25:59,266 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2023-09-04 21:25:59,359 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s)
[2023-09-04 21:25:59,359 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-04 21:25:59,361 INFO  L262         TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 57 conjunts are in the unsatisfiable core
[2023-09-04 21:25:59,363 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-04 21:26:03,296 INFO  L134       CoverageAnalysis]: Checked inductivity of 856 backedges. 665 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-04 21:26:03,297 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-04 21:26:08,078 INFO  L134       CoverageAnalysis]: Checked inductivity of 856 backedges. 0 proven. 856 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-04 21:26:08,079 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021067751] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-04 21:26:08,079 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-04 21:26:08,079 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 57, 57] total 163
[2023-09-04 21:26:08,079 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289473152]
[2023-09-04 21:26:08,079 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-04 21:26:08,081 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 163 states
[2023-09-04 21:26:08,081 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-04 21:26:08,084 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 163 interpolants.
[2023-09-04 21:26:08,088 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1567, Invalid=24839, Unknown=0, NotChecked=0, Total=26406
[2023-09-04 21:26:08,089 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-04 21:26:08,111 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-04 21:26:08,113 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 163 states, 163 states have (on average 2.8220858895705523) internal successors, (460), 163 states have internal predecessors, (460), 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)
[2023-09-04 21:26:08,113 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-04 21:26:08,113 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2023-09-04 21:26:08,113 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2023-09-04 21:26:08,113 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2023-09-04 21:26:08,113 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
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Found a loop, use abstraction hammer
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Received shutdown request...
[2023-09-04 21:30:29,303 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2023-09-04 21:30:29,303 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2023-09-04 21:30:29,303 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2023-09-04 21:30:29,341 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2023-09-04 21:30:29,541 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-04 21:30:29,541 WARN  L619      AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction.
[2023-09-04 21:30:29,543 INFO  L805   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2023-09-04 21:30:29,544 INFO  L805   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining)
[2023-09-04 21:30:29,544 INFO  L805   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining)
[2023-09-04 21:30:29,561 INFO  L445         BasicCegarLoop]: Path program histogram: [5]
[2023-09-04 21:30:29,563 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-09-04 21:30:29,563 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-09-04 21:30:29,570 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 09:30:29 BasicIcfg
[2023-09-04 21:30:29,570 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-09-04 21:30:29,570 INFO  L158              Benchmark]: Toolchain (without parser) took 280479.92ms. Allocated memory was 268.4MB in the beginning and 716.2MB in the end (delta: 447.7MB). Free memory was 224.9MB in the beginning and 580.7MB in the end (delta: -355.8MB). Peak memory consumption was 476.9MB. Max. memory is 7.0GB.
[2023-09-04 21:30:29,570 INFO  L158              Benchmark]: CDTParser took 0.10ms. Allocated memory is still 188.7MB. Free memory is still 137.3MB. There was no memory consumed. Max. memory is 7.0GB.
[2023-09-04 21:30:29,571 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 323.60ms. Allocated memory is still 268.4MB. Free memory was 224.5MB in the beginning and 205.1MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 7.0GB.
[2023-09-04 21:30:29,571 INFO  L158              Benchmark]: Boogie Procedure Inliner took 40.55ms. Allocated memory is still 268.4MB. Free memory was 205.1MB in the beginning and 203.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB.
[2023-09-04 21:30:29,571 INFO  L158              Benchmark]: Boogie Preprocessor took 29.16ms. Allocated memory is still 268.4MB. Free memory was 203.0MB in the beginning and 201.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB.
[2023-09-04 21:30:29,572 INFO  L158              Benchmark]: RCFGBuilder took 512.98ms. Allocated memory is still 268.4MB. Free memory was 201.4MB in the beginning and 187.8MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 7.0GB.
[2023-09-04 21:30:29,572 INFO  L158              Benchmark]: TraceAbstraction took 279557.88ms. Allocated memory was 268.4MB in the beginning and 716.2MB in the end (delta: 447.7MB). Free memory was 186.7MB in the beginning and 580.7MB in the end (delta: -394.0MB). Peak memory consumption was 439.1MB. Max. memory is 7.0GB.
[2023-09-04 21:30:29,575 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.10ms. Allocated memory is still 188.7MB. Free memory is still 137.3MB. There was no memory consumed. Max. memory is 7.0GB.
 * CACSL2BoogieTranslator took 323.60ms. Allocated memory is still 268.4MB. Free memory was 224.5MB in the beginning and 205.1MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 7.0GB.
 * Boogie Procedure Inliner took 40.55ms. Allocated memory is still 268.4MB. Free memory was 205.1MB in the beginning and 203.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB.
 * Boogie Preprocessor took 29.16ms. Allocated memory is still 268.4MB. Free memory was 203.0MB in the beginning and 201.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB.
 * RCFGBuilder took 512.98ms. Allocated memory is still 268.4MB. Free memory was 201.4MB in the beginning and 187.8MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 7.0GB.
 * TraceAbstraction took 279557.88ms. Allocated memory was 268.4MB in the beginning and 716.2MB in the end (delta: 447.7MB). Free memory was 186.7MB in the beginning and 580.7MB in the end (delta: -394.0MB). Peak memory consumption was 439.1MB. Max. memory is 7.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResultAtLocation [Line: 229]: Unsoundness Warning
    unspecified type, defaulting to int C: short [229]
  - GenericResultAtLocation [Line: 230]: Unsoundness Warning
    unspecified type, defaulting to int C: short [230]
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation #1 benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 22052, independent: 20717, independent conditional: 20717, independent unconditional: 0, dependent: 1335, dependent conditional: 1335, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20772, independent: 20717, independent conditional: 20717, independent unconditional: 0, dependent: 55, dependent conditional: 55, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 20772, independent: 20717, independent conditional: 20717, independent unconditional: 0, dependent: 55, dependent conditional: 55, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21017, independent: 20717, independent conditional: 0, independent unconditional: 20717, dependent: 300, dependent conditional: 245, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 21017, independent: 20717, independent conditional: 0, independent unconditional: 20717, dependent: 300, dependent conditional: 0, dependent unconditional: 300, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21017, independent: 20717, independent conditional: 0, independent unconditional: 20717, dependent: 300, dependent conditional: 0, dependent unconditional: 300, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 20772, independent: 20717, independent conditional: 0, independent unconditional: 20717, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 20772, independent: 20717, independent conditional: 0, independent unconditional: 20717, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 55, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 55, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 62, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 62, dependent conditional: 0, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 21017, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 245, dependent conditional: 0, dependent unconditional: 245, unknown: 20772, unknown conditional: 0, unknown unconditional: 20772] , Statistics on independence cache: Total cache size (in pairs): 20772, Positive cache size: 20717, Positive conditional cache size: 0, Positive unconditional cache size: 20717, Negative cache size: 55, Negative conditional cache size: 0, Negative unconditional cache size: 55, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 245, Maximal queried relation: 5, Independence queries for same thread: 1280
  - StatisticsResult: Proof manager benchmarks
    IrresponsibleProofs: 12
  - TimeoutResultAtElement [Line: 681]: Timeout (TraceAbstraction)
    Unable to prove that call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction.
  - TimeoutResultAtElement [Line: 720]: Timeout (TraceAbstraction)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction.
  - TimeoutResultAtElement [Line: 721]: Timeout (TraceAbstraction)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction.
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 5 procedures, 109 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 279.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 263.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 205, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 13.7s InterpolantComputationTime, 1182 NumberOfCodeBlocks, 1182 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 1589 ConstructedInterpolants, 0 QuantifiedInterpolants, 8733 SizeOfPredicates, 116 NumberOfNonLiveVariables, 1281 ConjunctsInSsa, 127 ConjunctsInUnsatCore, 14 InterpolantComputations, 1 PerfectInterpolantSequences, 2512/5622 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: Timeout
Completed graceful shutdown