/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_unsafe-7.i


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


This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-9d61ce8-m
[2023-09-06 16:52:25,381 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-09-06 16:52:25,446 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf
[2023-09-06 16:52:25,450 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-09-06 16:52:25,450 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-09-06 16:52:25,451 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2023-09-06 16:52:25,476 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-09-06 16:52:25,476 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-09-06 16:52:25,476 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-09-06 16:52:25,479 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-09-06 16:52:25,480 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-09-06 16:52:25,480 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-09-06 16:52:25,480 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-09-06 16:52:25,481 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-09-06 16:52:25,481 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-09-06 16:52:25,482 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-09-06 16:52:25,482 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-09-06 16:52:25,482 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-09-06 16:52:25,482 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-09-06 16:52:25,482 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-09-06 16:52:25,482 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-09-06 16:52:25,483 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-09-06 16:52:25,483 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-09-06 16:52:25,483 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-09-06 16:52:25,483 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-09-06 16:52:25,483 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-09-06 16:52:25,484 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-09-06 16:52:25,484 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-09-06 16:52:25,484 INFO  L153        SettingsManager]:  * To the following directory=./dump/
[2023-09-06 16:52:25,484 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-09-06 16:52:25,485 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-09-06 16:52:25,485 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-09-06 16:52:25,485 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-09-06 16:52:25,486 INFO  L153        SettingsManager]:  * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL
[2023-09-06 16:52:25,486 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-09-06 16:52:25,486 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-09-06 16:52:25,486 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-09-06 16:52:25,486 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-09-06 16:52:25,486 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2023-09-06 16:52:25,486 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-09-06 16:52:25,486 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS
[2023-09-06 16:52:25,487 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-09-06 16:52:25,698 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-09-06 16:52:25,720 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-09-06 16:52:25,722 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-09-06 16:52:25,723 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-09-06 16:52:25,723 INFO  L274        PluginConnector]: CDTParser initialized
[2023-09-06 16:52:25,724 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_unsafe-7.i
[2023-09-06 16:52:26,715 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-09-06 16:52:26,910 INFO  L384              CDTParser]: Found 1 translation units.
[2023-09-06 16:52:26,911 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_unsafe-7.i
[2023-09-06 16:52:26,922 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a5e64b94/d1f67a02483f4b31b5c6515d84e35cba/FLAG70db0ccc4
[2023-09-06 16:52:26,937 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a5e64b94/d1f67a02483f4b31b5c6515d84e35cba
[2023-09-06 16:52:26,938 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-09-06 16:52:26,939 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-09-06 16:52:26,940 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-09-06 16:52:26,940 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-09-06 16:52:26,946 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-09-06 16:52:26,946 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 04:52:26" (1/1) ...
[2023-09-06 16:52:26,947 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b8361e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 04:52:26, skipping insertion in model container
[2023-09-06 16:52:26,947 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 04:52:26" (1/1) ...
[2023-09-06 16:52:26,989 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-09-06 16:52:27,229 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_unsafe-7.i[30243,30256]
[2023-09-06 16:52:27,244 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-09-06 16:52:27,252 INFO  L202         MainTranslator]: Completed pre-run
[2023-09-06 16:52:27,273 WARN  L75    lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [229]
[2023-09-06 16:52:27,274 WARN  L75    lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [230]
[2023-09-06 16:52:27,288 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_unsafe-7.i[30243,30256]
[2023-09-06 16:52:27,292 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-09-06 16:52:27,313 WARN  L669               CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-09-06 16:52:27,313 WARN  L669               CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-09-06 16:52:27,318 INFO  L206         MainTranslator]: Completed translation
[2023-09-06 16:52:27,318 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 04:52:27 WrapperNode
[2023-09-06 16:52:27,318 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-09-06 16:52:27,319 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-09-06 16:52:27,319 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-09-06 16:52:27,319 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-09-06 16:52:27,323 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 04:52:27" (1/1) ...
[2023-09-06 16:52:27,345 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 04:52:27" (1/1) ...
[2023-09-06 16:52:27,363 INFO  L138                Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76
[2023-09-06 16:52:27,363 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-09-06 16:52:27,364 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-09-06 16:52:27,364 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-09-06 16:52:27,364 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-09-06 16:52:27,369 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 04:52:27" (1/1) ...
[2023-09-06 16:52:27,369 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 04:52:27" (1/1) ...
[2023-09-06 16:52:27,372 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 04:52:27" (1/1) ...
[2023-09-06 16:52:27,373 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 04:52:27" (1/1) ...
[2023-09-06 16:52:27,384 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 04:52:27" (1/1) ...
[2023-09-06 16:52:27,387 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 04:52:27" (1/1) ...
[2023-09-06 16:52:27,388 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 04:52:27" (1/1) ...
[2023-09-06 16:52:27,388 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 04:52:27" (1/1) ...
[2023-09-06 16:52:27,390 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-09-06 16:52:27,390 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-09-06 16:52:27,390 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-09-06 16:52:27,390 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-09-06 16:52:27,391 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 04:52:27" (1/1) ...
[2023-09-06 16:52:27,400 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-09-06 16:52:27,408 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-06 16:52:27,426 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)
[2023-09-06 16:52:27,429 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
[2023-09-06 16:52:27,483 INFO  L130     BoogieDeclarations]: Found specification of procedure t1
[2023-09-06 16:52:27,483 INFO  L138     BoogieDeclarations]: Found implementation of procedure t1
[2023-09-06 16:52:27,483 INFO  L130     BoogieDeclarations]: Found specification of procedure t2
[2023-09-06 16:52:27,483 INFO  L138     BoogieDeclarations]: Found implementation of procedure t2
[2023-09-06 16:52:27,483 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-09-06 16:52:27,484 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-09-06 16:52:27,484 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-09-06 16:52:27,484 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-09-06 16:52:27,484 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-09-06 16:52:27,485 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-09-06 16:52:27,485 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-09-06 16:52:27,485 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-09-06 16:52:27,485 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-09-06 16:52:27,486 WARN  L210             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-09-06 16:52:27,578 INFO  L236             CfgBuilder]: Building ICFG
[2023-09-06 16:52:27,580 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-09-06 16:52:27,709 INFO  L277             CfgBuilder]: Performing block encoding
[2023-09-06 16:52:27,713 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-09-06 16:52:27,714 INFO  L302             CfgBuilder]: Removed 3 assume(true) statements.
[2023-09-06 16:52:27,715 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 04:52:27 BoogieIcfgContainer
[2023-09-06 16:52:27,715 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-09-06 16:52:27,717 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-09-06 16:52:27,717 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-09-06 16:52:27,719 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-09-06 16:52:27,719 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.09 04:52:26" (1/3) ...
[2023-09-06 16:52:27,720 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@705230a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.09 04:52:27, skipping insertion in model container
[2023-09-06 16:52:27,720 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 04:52:27" (2/3) ...
[2023-09-06 16:52:27,720 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@705230a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.09 04:52:27, skipping insertion in model container
[2023-09-06 16:52:27,720 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 04:52:27" (3/3) ...
[2023-09-06 16:52:27,721 INFO  L112   eAbstractionObserver]: Analyzing ICFG fib_unsafe-7.i
[2023-09-06 16:52:27,726 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-09-06 16:52:27,733 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-09-06 16:52:27,733 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-09-06 16:52:27,733 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-09-06 16:52:27,771 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-09-06 16:52:27,799 INFO  L103   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-09-06 16:52:27,800 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2023-09-06 16:52:27,800 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-06 16:52:27,806 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)
[2023-09-06 16:52:27,807 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
[2023-09-06 16:52:27,836 INFO  L166   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2023-09-06 16:52:27,842 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-09-06 16:52:27,846 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;@7c53969b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-09-06 16:52:27,846 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
[2023-09-06 16:52:28,564 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2023-09-06 16:52:28,570 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-06 16:52:28,570 INFO  L85        PathProgramCache]: Analyzing trace with hash 1875915451, now seen corresponding path program 1 times
[2023-09-06 16:52:28,576 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-06 16:52:28,576 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743309402]
[2023-09-06 16:52:28,576 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-06 16:52:28,577 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-06 16:52:28,653 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-06 16:52:28,803 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 16:52:28,804 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-06 16:52:28,804 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743309402]
[2023-09-06 16:52:28,804 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743309402] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-06 16:52:28,804 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779031482]
[2023-09-06 16:52:28,804 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-06 16:52:28,805 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 16:52:28,805 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-06 16:52:28,855 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)
[2023-09-06 16:52:28,856 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-09-06 16:52:28,955 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-06 16:52:28,957 INFO  L262         TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-09-06 16:52:28,962 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-06 16:52:29,053 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 16:52:29,053 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-06 16:52:29,112 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 16:52:29,113 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779031482] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-06 16:52:29,113 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-06 16:52:29,113 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10
[2023-09-06 16:52:29,115 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344520118]
[2023-09-06 16:52:29,115 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-06 16:52:29,124 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-09-06 16:52:29,124 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-06 16:52:29,159 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-09-06 16:52:29,159 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2023-09-06 16:52:29,173 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 16:52:29,174 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-06 16:52:29,176 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)
[2023-09-06 16:52:29,176 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
[2023-09-06 16:52:29,303 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 16:52:29,319 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-09-06 16:52:29,504 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
[2023-09-06 16:52:29,505 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2023-09-06 16:52:29,505 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-06 16:52:29,505 INFO  L85        PathProgramCache]: Analyzing trace with hash -1053492738, now seen corresponding path program 2 times
[2023-09-06 16:52:29,505 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-06 16:52:29,505 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094124896]
[2023-09-06 16:52:29,506 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-06 16:52:29,506 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-06 16:52:29,544 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-06 16:52:29,844 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 16:52:29,844 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-06 16:52:29,844 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094124896]
[2023-09-06 16:52:29,844 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094124896] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-06 16:52:29,844 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34740038]
[2023-09-06 16:52:29,844 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-09-06 16:52:29,845 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 16:52:29,845 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-06 16:52:29,848 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)
[2023-09-06 16:52:29,867 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-09-06 16:52:29,961 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-09-06 16:52:29,961 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-06 16:52:29,962 INFO  L262         TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 10 conjunts are in the unsatisfiable core
[2023-09-06 16:52:29,964 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-06 16:52:30,027 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 16:52:30,028 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-06 16:52:30,151 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 16:52:30,152 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [34740038] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-06 16:52:30,152 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-06 16:52:30,152 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22
[2023-09-06 16:52:30,152 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967505890]
[2023-09-06 16:52:30,152 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-06 16:52:30,154 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 22 states
[2023-09-06 16:52:30,154 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-06 16:52:30,155 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2023-09-06 16:52:30,155 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=330, Unknown=0, NotChecked=0, Total=462
[2023-09-06 16:52:30,156 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 16:52:30,156 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-06 16:52:30,156 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)
[2023-09-06 16:52:30,157 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 16:52:30,157 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
[2023-09-06 16:52:30,382 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 16:52:30,383 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2023-09-06 16:52:30,403 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2023-09-06 16:52:30,603 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
[2023-09-06 16:52:30,604 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2023-09-06 16:52:30,604 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-06 16:52:30,604 INFO  L85        PathProgramCache]: Analyzing trace with hash 1358851614, now seen corresponding path program 3 times
[2023-09-06 16:52:30,604 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-06 16:52:30,604 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262904573]
[2023-09-06 16:52:30,604 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-06 16:52:30,605 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-06 16:52:30,686 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-06 16:52:31,188 INFO  L134       CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 16:52:31,188 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-06 16:52:31,188 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262904573]
[2023-09-06 16:52:31,188 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262904573] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-06 16:52:31,188 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544779286]
[2023-09-06 16:52:31,188 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-09-06 16:52:31,189 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 16:52:31,189 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-06 16:52:31,205 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)
[2023-09-06 16:52:31,230 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-09-06 16:52:31,298 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s)
[2023-09-06 16:52:31,298 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-06 16:52:31,299 INFO  L262         TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 22 conjunts are in the unsatisfiable core
[2023-09-06 16:52:31,302 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-06 16:52:31,398 INFO  L134       CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 16:52:31,398 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-06 16:52:31,736 INFO  L134       CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 16:52:31,737 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544779286] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-06 16:52:31,737 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-06 16:52:31,737 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 35
[2023-09-06 16:52:31,737 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440560578]
[2023-09-06 16:52:31,737 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-06 16:52:31,738 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 35 states
[2023-09-06 16:52:31,738 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-06 16:52:31,739 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants.
[2023-09-06 16:52:31,739 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=867, Unknown=0, NotChecked=0, Total=1190
[2023-09-06 16:52:31,739 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 16:52:31,739 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-06 16:52:31,740 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)
[2023-09-06 16:52:31,740 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 16:52:31,740 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2023-09-06 16:52:31,740 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
[2023-09-06 16:52:32,201 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 16:52:32,201 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2023-09-06 16:52:32,201 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2023-09-06 16:52:32,206 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2023-09-06 16:52:32,406 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
[2023-09-06 16:52:32,407 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2023-09-06 16:52:32,407 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-06 16:52:32,407 INFO  L85        PathProgramCache]: Analyzing trace with hash 370337723, now seen corresponding path program 4 times
[2023-09-06 16:52:32,407 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-06 16:52:32,407 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560250792]
[2023-09-06 16:52:32,407 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-06 16:52:32,408 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-06 16:52:32,439 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-06 16:52:33,229 INFO  L134       CoverageAnalysis]: Checked inductivity of 969 backedges. 878 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 16:52:33,229 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-06 16:52:33,229 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560250792]
[2023-09-06 16:52:33,229 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560250792] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-06 16:52:33,229 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003541014]
[2023-09-06 16:52:33,229 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2023-09-06 16:52:33,230 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 16:52:33,230 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-06 16:52:33,231 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)
[2023-09-06 16:52:33,232 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2023-09-06 16:52:33,314 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2023-09-06 16:52:33,314 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-06 16:52:33,315 INFO  L262         TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 34 conjunts are in the unsatisfiable core
[2023-09-06 16:52:33,318 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-06 16:52:33,470 INFO  L134       CoverageAnalysis]: Checked inductivity of 969 backedges. 969 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 16:52:33,470 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-09-06 16:52:33,470 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003541014] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-06 16:52:33,470 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-09-06 16:52:33,470 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [35] total 37
[2023-09-06 16:52:33,471 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298351619]
[2023-09-06 16:52:33,471 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-06 16:52:33,471 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 35 states
[2023-09-06 16:52:33,471 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-06 16:52:33,472 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants.
[2023-09-06 16:52:33,472 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=329, Invalid=1003, Unknown=0, NotChecked=0, Total=1332
[2023-09-06 16:52:33,472 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 16:52:33,472 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-06 16:52:33,473 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)
[2023-09-06 16:52:33,473 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 16:52:33,473 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2023-09-06 16:52:33,473 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2023-09-06 16:52:33,473 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
[2023-09-06 16:52:34,077 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 16:52:34,077 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2023-09-06 16:52:34,077 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2023-09-06 16:52:34,078 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2023-09-06 16:52:34,102 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2023-09-06 16:52:34,283 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
[2023-09-06 16:52:34,283 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2023-09-06 16:52:34,284 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-06 16:52:34,284 INFO  L85        PathProgramCache]: Analyzing trace with hash 1675934270, now seen corresponding path program 5 times
[2023-09-06 16:52:34,284 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-06 16:52:34,284 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450367742]
[2023-09-06 16:52:34,284 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-06 16:52:34,285 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-06 16:52:34,347 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-06 16:52:37,073 INFO  L134       CoverageAnalysis]: Checked inductivity of 856 backedges. 0 proven. 856 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 16:52:37,074 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-06 16:52:37,074 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450367742]
[2023-09-06 16:52:37,074 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450367742] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-06 16:52:37,074 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826032860]
[2023-09-06 16:52:37,075 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2023-09-06 16:52:37,075 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 16:52:37,075 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-06 16:52:37,093 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)
[2023-09-06 16:52:37,094 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2023-09-06 16:52:37,175 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s)
[2023-09-06 16:52:37,176 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-06 16:52:37,177 INFO  L262         TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 57 conjunts are in the unsatisfiable core
[2023-09-06 16:52:37,180 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-06 16:52:41,482 INFO  L134       CoverageAnalysis]: Checked inductivity of 856 backedges. 665 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 16:52:41,483 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-06 16:52:46,169 INFO  L134       CoverageAnalysis]: Checked inductivity of 856 backedges. 0 proven. 856 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 16:52:46,170 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826032860] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-06 16:52:46,170 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-06 16:52:46,170 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 57, 57] total 163
[2023-09-06 16:52:46,170 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501084339]
[2023-09-06 16:52:46,170 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-06 16:52:46,171 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 163 states
[2023-09-06 16:52:46,171 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-06 16:52:46,172 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 163 interpolants.
[2023-09-06 16:52:46,176 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1548, Invalid=24858, Unknown=0, NotChecked=0, Total=26406
[2023-09-06 16:52:46,176 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 16:52:46,177 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-06 16:52:46,177 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)
[2023-09-06 16:52:46,177 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 16:52:46,178 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2023-09-06 16:52:46,178 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2023-09-06 16:52:46,178 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2023-09-06 16:52:46,178 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
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Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
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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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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
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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
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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
Received shutdown request...
[2023-09-06 16:57:06,108 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
[2023-09-06 16:57:06,108 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
[2023-09-06 16:57:06,108 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
[2023-09-06 16:57:06,215 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2023-09-06 16:57:06,415 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
[2023-09-06 16:57:06,416 WARN  L619      AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction.
[2023-09-06 16:57:06,418 INFO  L805   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2023-09-06 16:57:06,418 INFO  L805   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining)
[2023-09-06 16:57:06,418 INFO  L805   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining)
[2023-09-06 16:57:06,433 INFO  L445         BasicCegarLoop]: Path program histogram: [5]
[2023-09-06 16:57:06,435 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-09-06 16:57:06,435 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-09-06 16:57:06,437 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.09 04:57:06 BasicIcfg
[2023-09-06 16:57:06,437 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-09-06 16:57:06,438 INFO  L158              Benchmark]: Toolchain (without parser) took 279498.46ms. Allocated memory was 295.7MB in the beginning and 588.3MB in the end (delta: 292.6MB). Free memory was 254.1MB in the beginning and 211.8MB in the end (delta: 42.3MB). Peak memory consumption was 406.1MB. Max. memory is 7.0GB.
[2023-09-06 16:57:06,438 INFO  L158              Benchmark]: CDTParser took 0.12ms. Allocated memory is still 164.6MB. Free memory was 114.0MB in the beginning and 113.9MB in the end (delta: 70.8kB). There was no memory consumed. Max. memory is 7.0GB.
[2023-09-06 16:57:06,438 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 378.70ms. Allocated memory is still 295.7MB. Free memory was 254.1MB in the beginning and 234.5MB in the end (delta: 19.6MB). Peak memory consumption was 19.9MB. Max. memory is 7.0GB.
[2023-09-06 16:57:06,438 INFO  L158              Benchmark]: Boogie Procedure Inliner took 44.14ms. Allocated memory is still 295.7MB. Free memory was 234.5MB in the beginning and 232.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB.
[2023-09-06 16:57:06,439 INFO  L158              Benchmark]: Boogie Preprocessor took 26.08ms. Allocated memory is still 295.7MB. Free memory was 232.6MB in the beginning and 231.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB.
[2023-09-06 16:57:06,439 INFO  L158              Benchmark]: RCFGBuilder took 324.98ms. Allocated memory is still 295.7MB. Free memory was 231.0MB in the beginning and 216.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 7.0GB.
[2023-09-06 16:57:06,439 INFO  L158              Benchmark]: TraceAbstraction took 278720.72ms. Allocated memory was 295.7MB in the beginning and 588.3MB in the end (delta: 292.6MB). Free memory was 216.3MB in the beginning and 211.8MB in the end (delta: 4.5MB). Peak memory consumption was 368.4MB. Max. memory is 7.0GB.
[2023-09-06 16:57:06,440 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.12ms. Allocated memory is still 164.6MB. Free memory was 114.0MB in the beginning and 113.9MB in the end (delta: 70.8kB). There was no memory consumed. Max. memory is 7.0GB.
 * CACSL2BoogieTranslator took 378.70ms. Allocated memory is still 295.7MB. Free memory was 254.1MB in the beginning and 234.5MB in the end (delta: 19.6MB). Peak memory consumption was 19.9MB. Max. memory is 7.0GB.
 * Boogie Procedure Inliner took 44.14ms. Allocated memory is still 295.7MB. Free memory was 234.5MB in the beginning and 232.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB.
 * Boogie Preprocessor took 26.08ms. Allocated memory is still 295.7MB. Free memory was 232.6MB in the beginning and 231.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB.
 * RCFGBuilder took 324.98ms. Allocated memory is still 295.7MB. Free memory was 231.0MB in the beginning and 216.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 7.0GB.
 * TraceAbstraction took 278720.72ms. Allocated memory was 295.7MB in the beginning and 588.3MB in the end (delta: 292.6MB). Free memory was 216.3MB in the beginning and 211.8MB in the end (delta: 4.5MB). Peak memory consumption was 368.4MB. 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: 20701, independent: 19449, independent conditional: 19449, independent unconditional: 0, dependent: 1252, dependent conditional: 1252, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19501, independent: 19449, independent conditional: 19449, independent unconditional: 0, dependent: 52, dependent conditional: 52, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 19501, independent: 19449, independent conditional: 19449, independent unconditional: 0, dependent: 52, dependent conditional: 52, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19731, independent: 19449, independent conditional: 0, independent unconditional: 19449, dependent: 282, dependent conditional: 230, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19731, independent: 19449, independent conditional: 0, independent unconditional: 19449, dependent: 282, dependent conditional: 0, dependent unconditional: 282, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19731, independent: 19449, independent conditional: 0, independent unconditional: 19449, dependent: 282, dependent conditional: 0, dependent unconditional: 282, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19501, independent: 19449, independent conditional: 0, independent unconditional: 19449, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19501, independent: 19449, independent conditional: 0, independent unconditional: 19449, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 52, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 52, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 52, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19731, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 230, dependent conditional: 0, dependent unconditional: 230, unknown: 19501, unknown conditional: 0, unknown unconditional: 19501] , Statistics on independence cache: Total cache size (in pairs): 19501, Positive cache size: 19449, Positive conditional cache size: 0, Positive unconditional cache size: 19449, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 230, Maximal queried relation: 5, Independence queries for same thread: 1200
  - StatisticsResult: Proof manager benchmarks
    IrresponsibleProofs: 12, RedundantProofs: 3, ProvenStates: 1083
  - 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: 278.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 262.2s, 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, 0.4s SatisfiabilityAnalysisTime, 14.4s InterpolantComputationTime, 1182 NumberOfCodeBlocks, 1182 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 1589 ConstructedInterpolants, 0 QuantifiedInterpolants, 8980 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