/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-12.i


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


This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-fffa3fa-m
[2023-09-04 21:25:47,005 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-09-04 21:25:47,070 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf
[2023-09-04 21:25:47,074 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-09-04 21:25:47,075 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-09-04 21:25:47,075 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2023-09-04 21:25:47,097 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-09-04 21:25:47,097 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-09-04 21:25:47,097 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-09-04 21:25:47,101 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-09-04 21:25:47,101 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-09-04 21:25:47,101 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-09-04 21:25:47,102 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-09-04 21:25:47,103 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-09-04 21:25:47,103 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-09-04 21:25:47,103 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-09-04 21:25:47,103 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-09-04 21:25:47,103 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-09-04 21:25:47,104 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-09-04 21:25:47,104 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-09-04 21:25:47,104 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-09-04 21:25:47,104 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-09-04 21:25:47,104 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-09-04 21:25:47,105 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-09-04 21:25:47,105 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-09-04 21:25:47,105 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-09-04 21:25:47,105 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-09-04 21:25:47,105 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-09-04 21:25:47,106 INFO  L153        SettingsManager]:  * To the following directory=./dump/
[2023-09-04 21:25:47,106 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-09-04 21:25:47,106 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-09-04 21:25:47,106 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-09-04 21:25:47,107 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-09-04 21:25:47,107 INFO  L153        SettingsManager]:  * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL
[2023-09-04 21:25:47,107 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-09-04 21:25:47,107 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-09-04 21:25:47,107 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-09-04 21:25:47,107 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-09-04 21:25:47,107 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2023-09-04 21:25:47,107 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-09-04 21:25:47,107 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS
[2023-09-04 21:25:47,108 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-09-04 21:25:47,295 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-09-04 21:25:47,311 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-09-04 21:25:47,314 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-09-04 21:25:47,315 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-09-04 21:25:47,315 INFO  L274        PluginConnector]: CDTParser initialized
[2023-09-04 21:25:47,316 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_unsafe-12.i
[2023-09-04 21:25:48,368 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-09-04 21:25:48,609 INFO  L384              CDTParser]: Found 1 translation units.
[2023-09-04 21:25:48,610 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_unsafe-12.i
[2023-09-04 21:25:48,622 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bd8e10b7/50498cbf3a0c423c893608fb7d33b217/FLAG439bc0054
[2023-09-04 21:25:48,944 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bd8e10b7/50498cbf3a0c423c893608fb7d33b217
[2023-09-04 21:25:48,948 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-09-04 21:25:48,949 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-09-04 21:25:48,950 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-09-04 21:25:48,950 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-09-04 21:25:48,953 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-09-04 21:25:48,953 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:25:48" (1/1) ...
[2023-09-04 21:25:48,954 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10cabfbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:25:48, skipping insertion in model container
[2023-09-04 21:25:48,954 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:25:48" (1/1) ...
[2023-09-04 21:25:49,001 INFO  L176         MainTranslator]: Built tables and reachable declarations
[2023-09-04 21:25:49,211 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-12.i[30243,30256]
[2023-09-04 21:25:49,228 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-09-04 21:25:49,237 INFO  L201         MainTranslator]: Completed pre-run
[2023-09-04 21:25:49,257 WARN  L75    lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [229]
[2023-09-04 21:25:49,259 WARN  L75    lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [230]
[2023-09-04 21:25:49,284 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-12.i[30243,30256]
[2023-09-04 21:25:49,289 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-09-04 21:25:49,320 WARN  L669               CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-09-04 21:25:49,320 WARN  L669               CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-09-04 21:25:49,325 INFO  L206         MainTranslator]: Completed translation
[2023-09-04 21:25:49,326 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:25:49 WrapperNode
[2023-09-04 21:25:49,326 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-09-04 21:25:49,327 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-09-04 21:25:49,327 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-09-04 21:25:49,327 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-09-04 21:25:49,338 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 21:25:49,362 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 21:25:49,383 INFO  L138                Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76
[2023-09-04 21:25:49,384 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-09-04 21:25:49,384 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-09-04 21:25:49,384 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-09-04 21:25:49,384 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-09-04 21:25:49,391 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 21:25:49,391 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 21:25:49,399 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 21:25:49,399 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 21:25:49,410 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 21:25:49,413 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 21:25:49,414 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 21:25:49,415 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 21:25:49,417 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-09-04 21:25:49,418 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-09-04 21:25:49,418 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-09-04 21:25:49,418 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-09-04 21:25:49,419 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 21:25:49,429 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-09-04 21:25:49,436 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-04 21:25:49,448 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 21:25:49,467 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 21:25:49,479 INFO  L130     BoogieDeclarations]: Found specification of procedure t1
[2023-09-04 21:25:49,479 INFO  L138     BoogieDeclarations]: Found implementation of procedure t1
[2023-09-04 21:25:49,479 INFO  L130     BoogieDeclarations]: Found specification of procedure t2
[2023-09-04 21:25:49,479 INFO  L138     BoogieDeclarations]: Found implementation of procedure t2
[2023-09-04 21:25:49,479 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-09-04 21:25:49,481 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-09-04 21:25:49,481 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-09-04 21:25:49,481 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-09-04 21:25:49,481 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-09-04 21:25:49,481 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-09-04 21:25:49,481 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-09-04 21:25:49,482 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-09-04 21:25:49,482 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-09-04 21:25:49,483 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 21:25:49,610 INFO  L236             CfgBuilder]: Building ICFG
[2023-09-04 21:25:49,612 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-09-04 21:25:49,748 INFO  L277             CfgBuilder]: Performing block encoding
[2023-09-04 21:25:49,753 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-09-04 21:25:49,753 INFO  L302             CfgBuilder]: Removed 3 assume(true) statements.
[2023-09-04 21:25:49,755 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:25:49 BoogieIcfgContainer
[2023-09-04 21:25:49,755 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-09-04 21:25:49,757 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-09-04 21:25:49,757 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-09-04 21:25:49,760 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-09-04 21:25:49,760 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 09:25:48" (1/3) ...
[2023-09-04 21:25:49,761 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f17dca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:25:49, skipping insertion in model container
[2023-09-04 21:25:49,761 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 21:25:49,762 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f17dca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:25:49, skipping insertion in model container
[2023-09-04 21:25:49,763 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 21:25:49,764 INFO  L112   eAbstractionObserver]: Analyzing ICFG fib_unsafe-12.i
[2023-09-04 21:25:49,769 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-09-04 21:25:49,776 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-09-04 21:25:49,776 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-09-04 21:25:49,776 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-09-04 21:25:49,820 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-09-04 21:25:49,851 INFO  L103   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-09-04 21:25:49,852 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2023-09-04 21:25:49,852 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-04 21:25:49,855 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 21:25:49,855 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 21:25:49,887 INFO  L166   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2023-09-04 21:25:49,897 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-09-04 21:25:49,902 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;@681e890b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-09-04 21:25:49,902 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 21:25:50,677 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 21:25:50,682 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-04 21:25:50,683 INFO  L85        PathProgramCache]: Analyzing trace with hash 1875915451, now seen corresponding path program 1 times
[2023-09-04 21:25:50,689 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-04 21:25:50,689 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606631772]
[2023-09-04 21:25:50,689 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-04 21:25:50,690 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-04 21:25:50,806 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-04 21:25:51,055 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 21:25:51,056 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-04 21:25:51,056 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606631772]
[2023-09-04 21:25:51,056 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606631772] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-04 21:25:51,056 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148748859]
[2023-09-04 21:25:51,056 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-04 21:25:51,057 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-04 21:25:51,057 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-04 21:25:51,061 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 21:25:51,062 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 21:25:51,142 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-04 21:25:51,145 INFO  L262         TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-09-04 21:25:51,150 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-04 21:25:51,201 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 21:25:51,201 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-04 21:25:51,236 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 21:25:51,237 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148748859] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-04 21:25:51,237 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-04 21:25:51,237 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10
[2023-09-04 21:25:51,239 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740407823]
[2023-09-04 21:25:51,240 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-04 21:25:51,247 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-09-04 21:25:51,247 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-04 21:25:51,272 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-09-04 21:25:51,273 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2023-09-04 21:25:51,273 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-04 21:25:51,275 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-04 21:25:51,275 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 21:25:51,275 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 21:25:51,368 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-04 21:25:51,405 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2023-09-04 21:25:51,572 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 21:25:51,573 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 21:25:51,573 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-04 21:25:51,573 INFO  L85        PathProgramCache]: Analyzing trace with hash -1053492738, now seen corresponding path program 2 times
[2023-09-04 21:25:51,573 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-04 21:25:51,573 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141695807]
[2023-09-04 21:25:51,574 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-04 21:25:51,574 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-04 21:25:51,593 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-04 21:25:51,811 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 21:25:51,812 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-04 21:25:51,812 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141695807]
[2023-09-04 21:25:51,812 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141695807] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-04 21:25:51,812 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87110649]
[2023-09-04 21:25:51,813 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-09-04 21:25:51,813 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-04 21:25:51,813 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-04 21:25:51,814 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 21:25:51,817 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 21:25:51,901 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-09-04 21:25:51,901 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-04 21:25:51,902 INFO  L262         TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 10 conjunts are in the unsatisfiable core
[2023-09-04 21:25:51,906 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-04 21:25:51,973 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 21:25:51,973 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-04 21:25:52,101 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 21:25:52,101 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [87110649] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-04 21:25:52,102 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-04 21:25:52,102 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22
[2023-09-04 21:25:52,102 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937509411]
[2023-09-04 21:25:52,102 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-04 21:25:52,103 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 22 states
[2023-09-04 21:25:52,104 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-04 21:25:52,104 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2023-09-04 21:25:52,105 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=330, Unknown=0, NotChecked=0, Total=462
[2023-09-04 21:25:52,105 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-04 21:25:52,105 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-04 21:25:52,105 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 21:25:52,106 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-04 21:25:52,106 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 21:25:52,304 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-04 21:25:52,305 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2023-09-04 21:25:52,319 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 21:25:52,517 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 21:25:52,517 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 21:25:52,517 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-04 21:25:52,517 INFO  L85        PathProgramCache]: Analyzing trace with hash 1358851614, now seen corresponding path program 3 times
[2023-09-04 21:25:52,518 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-04 21:25:52,518 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725700473]
[2023-09-04 21:25:52,518 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-04 21:25:52,518 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-04 21:25:52,544 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-04 21:25:52,945 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 21:25:52,945 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-04 21:25:52,945 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725700473]
[2023-09-04 21:25:52,948 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725700473] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-04 21:25:52,948 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531242358]
[2023-09-04 21:25:52,949 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-09-04 21:25:52,949 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-04 21:25:52,949 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-04 21:25:52,950 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 21:25:52,989 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 21:25:53,044 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s)
[2023-09-04 21:25:53,044 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-04 21:25:53,046 INFO  L262         TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 22 conjunts are in the unsatisfiable core
[2023-09-04 21:25:53,048 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-04 21:25:53,161 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 21:25:53,161 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-04 21:25:53,565 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 21:25:53,565 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531242358] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-04 21:25:53,565 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-04 21:25:53,566 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 46
[2023-09-04 21:25:53,566 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732089507]
[2023-09-04 21:25:53,566 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-04 21:25:53,566 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 46 states
[2023-09-04 21:25:53,566 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-04 21:25:53,567 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants.
[2023-09-04 21:25:53,568 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=552, Invalid=1518, Unknown=0, NotChecked=0, Total=2070
[2023-09-04 21:25:53,568 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-04 21:25:53,568 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-04 21:25:53,568 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 46 states, 46 states have (on average 4.3478260869565215) internal successors, (200), 46 states have internal predecessors, (200), 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 21:25:53,568 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-04 21:25:53,568 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2023-09-04 21:25:53,568 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 21:25:54,304 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-04 21:25:54,304 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2023-09-04 21:25:54,305 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2023-09-04 21:25:54,319 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 21:25:54,511 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 21:25:54,512 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 21:25:54,512 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-04 21:25:54,512 INFO  L85        PathProgramCache]: Analyzing trace with hash -1940267426, now seen corresponding path program 4 times
[2023-09-04 21:25:54,512 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-04 21:25:54,513 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039957579]
[2023-09-04 21:25:54,513 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-04 21:25:54,513 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-04 21:25:54,556 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-04 21:25:55,925 INFO  L134       CoverageAnalysis]: Checked inductivity of 1639 backedges. 0 proven. 1639 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-04 21:25:55,926 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-04 21:25:55,926 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039957579]
[2023-09-04 21:25:55,926 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039957579] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-04 21:25:55,926 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989090009]
[2023-09-04 21:25:55,926 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2023-09-04 21:25:55,926 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-04 21:25:55,926 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-04 21:25:55,927 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 21:25:55,929 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 21:25:56,033 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2023-09-04 21:25:56,033 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-04 21:25:56,036 INFO  L262         TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 46 conjunts are in the unsatisfiable core
[2023-09-04 21:25:56,056 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-04 21:25:56,263 INFO  L134       CoverageAnalysis]: Checked inductivity of 1639 backedges. 0 proven. 1639 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-04 21:25:56,263 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-04 21:25:57,183 INFO  L134       CoverageAnalysis]: Checked inductivity of 1639 backedges. 0 proven. 1639 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-04 21:25:57,184 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989090009] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-04 21:25:57,185 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-04 21:25:57,185 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 55
[2023-09-04 21:25:57,185 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647618952]
[2023-09-04 21:25:57,185 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-04 21:25:57,186 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 55 states
[2023-09-04 21:25:57,186 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-04 21:25:57,187 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants.
[2023-09-04 21:25:57,188 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=783, Invalid=2187, Unknown=0, NotChecked=0, Total=2970
[2023-09-04 21:25:57,188 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-04 21:25:57,188 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-04 21:25:57,189 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 55 states, 55 states have (on average 4.2727272727272725) internal successors, (235), 55 states have internal predecessors, (235), 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 21:25:57,189 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-04 21:25:57,189 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2023-09-04 21:25:57,189 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. 
[2023-09-04 21:25:57,189 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
Found a loop, use abstraction hammer
[2023-09-04 21:25:58,374 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-04 21:25:58,374 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2023-09-04 21:25:58,374 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2023-09-04 21:25:58,381 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. 
[2023-09-04 21:25:58,386 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2023-09-04 21:25:58,585 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 21:25:58,585 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 21:25:58,585 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-04 21:25:58,585 INFO  L85        PathProgramCache]: Analyzing trace with hash -2067788581, now seen corresponding path program 5 times
[2023-09-04 21:25:58,586 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-04 21:25:58,586 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307203361]
[2023-09-04 21:25:58,586 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-04 21:25:58,586 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-04 21:25:58,633 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-04 21:26:00,052 INFO  L134       CoverageAnalysis]: Checked inductivity of 2484 backedges. 2333 proven. 151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-04 21:26:00,052 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-04 21:26:00,052 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307203361]
[2023-09-04 21:26:00,052 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307203361] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-04 21:26:00,052 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748103119]
[2023-09-04 21:26:00,052 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2023-09-04 21:26:00,053 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-04 21:26:00,053 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-04 21:26:00,054 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 21:26:00,056 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 21:26:00,165 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 28 check-sat command(s)
[2023-09-04 21:26:00,165 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-04 21:26:00,168 INFO  L262         TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 54 conjunts are in the unsatisfiable core
[2023-09-04 21:26:00,171 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-04 21:26:00,384 INFO  L134       CoverageAnalysis]: Checked inductivity of 2484 backedges. 2484 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-04 21:26:00,384 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-09-04 21:26:00,384 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [748103119] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-04 21:26:00,384 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-09-04 21:26:00,384 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [55] imperfect sequences [55] total 57
[2023-09-04 21:26:00,385 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713708175]
[2023-09-04 21:26:00,385 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-04 21:26:00,385 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 55 states
[2023-09-04 21:26:00,385 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-04 21:26:00,386 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants.
[2023-09-04 21:26:00,387 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=789, Invalid=2403, Unknown=0, NotChecked=0, Total=3192
[2023-09-04 21:26:00,387 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-04 21:26:00,387 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-04 21:26:00,387 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 55 states, 55 states have (on average 4.363636363636363) internal successors, (240), 55 states have internal predecessors, (240), 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 21:26:00,387 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-04 21:26:00,387 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2023-09-04 21:26:00,388 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. 
[2023-09-04 21:26:00,388 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. 
[2023-09-04 21:26:00,388 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
[2023-09-04 21:26:01,520 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-04 21:26:01,520 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2023-09-04 21:26:01,520 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2023-09-04 21:26:01,520 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. 
[2023-09-04 21:26:01,526 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. 
[2023-09-04 21:26:01,531 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 21:26:01,731 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 21:26:01,732 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2023-09-04 21:26:01,732 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-04 21:26:01,732 INFO  L85        PathProgramCache]: Analyzing trace with hash -2110187234, now seen corresponding path program 6 times
[2023-09-04 21:26:01,732 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-04 21:26:01,733 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614325734]
[2023-09-04 21:26:01,733 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-04 21:26:01,733 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-04 21:26:01,801 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-04 21:26:06,811 INFO  L134       CoverageAnalysis]: Checked inductivity of 2301 backedges. 0 proven. 2301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-04 21:26:06,811 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-04 21:26:06,811 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614325734]
[2023-09-04 21:26:06,811 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614325734] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-04 21:26:06,811 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565004462]
[2023-09-04 21:26:06,812 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2023-09-04 21:26:06,812 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-04 21:26:06,812 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-04 21:26:06,813 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-04 21:26:06,815 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2023-09-04 21:26:06,948 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s)
[2023-09-04 21:26:06,948 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-04 21:26:06,952 INFO  L262         TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 90 conjunts are in the unsatisfiable core
[2023-09-04 21:26:06,956 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-04 21:26:15,726 INFO  L134       CoverageAnalysis]: Checked inductivity of 2301 backedges. 1980 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-04 21:26:15,726 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-04 21:26:26,425 INFO  L134       CoverageAnalysis]: Checked inductivity of 2301 backedges. 0 proven. 2301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-04 21:26:26,425 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [565004462] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-04 21:26:26,425 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-04 21:26:26,426 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 87, 87] total 255
[2023-09-04 21:26:26,426 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432209031]
[2023-09-04 21:26:26,426 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-04 21:26:26,427 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 255 states
[2023-09-04 21:26:26,427 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-04 21:26:26,431 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 255 interpolants.
[2023-09-04 21:26:26,441 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3651, Invalid=61119, Unknown=0, NotChecked=0, Total=64770
[2023-09-04 21:26:26,441 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-04 21:26:26,441 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-04 21:26:26,443 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 255 states, 255 states have (on average 2.6392156862745098) internal successors, (673), 255 states have internal predecessors, (673), 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 21:26:26,443 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-04 21:26:26,443 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2023-09-04 21:26:26,443 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. 
[2023-09-04 21:26:26,443 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. 
[2023-09-04 21:26:26,443 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. 
[2023-09-04 21:26:26,443 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
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
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
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
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
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
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
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
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
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
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Received shutdown request...
[2023-09-04 21:30:14,112 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 21:30:14,112 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 21:30:14,112 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2023-09-04 21:30:14,122 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2023-09-04 21:30:14,315 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-04 21:30:14,316 WARN  L619      AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction.
[2023-09-04 21:30:14,317 INFO  L805   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2023-09-04 21:30:14,318 INFO  L805   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining)
[2023-09-04 21:30:14,318 INFO  L805   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining)
[2023-09-04 21:30:14,342 INFO  L445         BasicCegarLoop]: Path program histogram: [6]
[2023-09-04 21:30:14,344 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-09-04 21:30:14,344 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-09-04 21:30:14,346 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 09:30:14 BasicIcfg
[2023-09-04 21:30:14,346 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-09-04 21:30:14,347 INFO  L158              Benchmark]: Toolchain (without parser) took 265397.70ms. Allocated memory was 238.0MB in the beginning and 502.3MB in the end (delta: 264.2MB). Free memory was 197.6MB in the beginning and 181.2MB in the end (delta: 16.4MB). Peak memory consumption was 375.6MB. Max. memory is 7.0GB.
[2023-09-04 21:30:14,347 INFO  L158              Benchmark]: CDTParser took 0.12ms. Allocated memory is still 188.7MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 7.0GB.
[2023-09-04 21:30:14,347 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 375.99ms. Allocated memory is still 238.0MB. Free memory was 197.1MB in the beginning and 177.7MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 7.0GB.
[2023-09-04 21:30:14,347 INFO  L158              Benchmark]: Boogie Procedure Inliner took 57.22ms. Allocated memory is still 238.0MB. Free memory was 177.7MB in the beginning and 175.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB.
[2023-09-04 21:30:14,347 INFO  L158              Benchmark]: Boogie Preprocessor took 32.91ms. Allocated memory is still 238.0MB. Free memory was 175.6MB in the beginning and 174.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB.
[2023-09-04 21:30:14,348 INFO  L158              Benchmark]: RCFGBuilder took 337.68ms. Allocated memory is still 238.0MB. Free memory was 174.0MB in the beginning and 159.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 7.0GB.
[2023-09-04 21:30:14,348 INFO  L158              Benchmark]: TraceAbstraction took 264589.10ms. Allocated memory was 238.0MB in the beginning and 502.3MB in the end (delta: 264.2MB). Free memory was 159.4MB in the beginning and 181.2MB in the end (delta: -21.8MB). Peak memory consumption was 337.8MB. Max. memory is 7.0GB.
[2023-09-04 21:30:14,349 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 188.7MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 7.0GB.
 * CACSL2BoogieTranslator took 375.99ms. Allocated memory is still 238.0MB. Free memory was 197.1MB in the beginning and 177.7MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 7.0GB.
 * Boogie Procedure Inliner took 57.22ms. Allocated memory is still 238.0MB. Free memory was 177.7MB in the beginning and 175.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB.
 * Boogie Preprocessor took 32.91ms. Allocated memory is still 238.0MB. Free memory was 175.6MB in the beginning and 174.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB.
 * RCFGBuilder took 337.68ms. Allocated memory is still 238.0MB. Free memory was 174.0MB in the beginning and 159.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 7.0GB.
 * TraceAbstraction took 264589.10ms. Allocated memory was 238.0MB in the beginning and 502.3MB in the end (delta: 264.2MB). Free memory was 159.4MB in the beginning and 181.2MB in the end (delta: -21.8MB). Peak memory consumption was 337.8MB. 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: 19834, independent: 18634, independent conditional: 18634, independent unconditional: 0, dependent: 1200, dependent conditional: 1200, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18684, independent: 18634, independent conditional: 18634, independent unconditional: 0, dependent: 50, dependent conditional: 50, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18684, independent: 18634, independent conditional: 18634, independent unconditional: 0, dependent: 50, dependent conditional: 50, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18948, independent: 18634, independent conditional: 0, independent unconditional: 18634, dependent: 314, dependent conditional: 264, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 18948, independent: 18634, independent conditional: 0, independent unconditional: 18634, dependent: 314, dependent conditional: 0, dependent unconditional: 314, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18948, independent: 18634, independent conditional: 0, independent unconditional: 18634, dependent: 314, dependent conditional: 0, dependent unconditional: 314, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18684, independent: 18634, independent conditional: 0, independent unconditional: 18634, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18684, independent: 18634, independent conditional: 0, independent unconditional: 18634, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 50, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 50, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 18948, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 264, dependent conditional: 0, dependent unconditional: 264, unknown: 18684, unknown conditional: 0, unknown unconditional: 18684] , Statistics on independence cache: Total cache size (in pairs): 18684, Positive cache size: 18634, Positive conditional cache size: 0, Positive unconditional cache size: 18634, Negative cache size: 50, Negative conditional cache size: 0, Negative unconditional cache size: 50, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 264, Maximal queried relation: 6, Independence queries for same thread: 1150
  - StatisticsResult: Proof manager benchmarks
    IrresponsibleProofs: 18
  - 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: 264.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 231.8s, 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: 363, 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, 0.5s SatisfiabilityAnalysisTime, 30.3s InterpolantComputationTime, 1872 NumberOfCodeBlocks, 1872 NumberOfCodeBlocksAsserted, 77 NumberOfCheckSat, 2551 ConstructedInterpolants, 0 QuantifiedInterpolants, 13780 SizeOfPredicates, 210 NumberOfNonLiveVariables, 1926 ConjunctsInSsa, 226 ConjunctsInUnsatCore, 17 InterpolantComputations, 1 PerfectInterpolantSequences, 6797/17904 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