/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-C-DAC/pthread-demo-datarace-1.i


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


This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-9d61ce8-m
[2023-09-06 18:41:31,688 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-09-06 18:41:31,756 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf
[2023-09-06 18:41:31,762 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-09-06 18:41:31,762 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-09-06 18:41:31,763 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2023-09-06 18:41:31,795 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-09-06 18:41:31,796 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-09-06 18:41:31,796 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-09-06 18:41:31,800 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-09-06 18:41:31,800 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-09-06 18:41:31,801 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-09-06 18:41:31,801 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-09-06 18:41:31,802 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-09-06 18:41:31,803 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-09-06 18:41:31,803 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-09-06 18:41:31,803 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-09-06 18:41:31,803 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-09-06 18:41:31,803 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-09-06 18:41:31,804 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-09-06 18:41:31,804 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-09-06 18:41:31,804 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-09-06 18:41:31,805 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-09-06 18:41:31,805 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-09-06 18:41:31,806 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-09-06 18:41:31,806 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-09-06 18:41:31,806 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-09-06 18:41:31,807 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-09-06 18:41:31,807 INFO  L153        SettingsManager]:  * To the following directory=./dump/
[2023-09-06 18:41:31,807 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-09-06 18:41:31,808 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-09-06 18:41:31,808 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-09-06 18:41:31,808 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-09-06 18:41:31,808 INFO  L153        SettingsManager]:  * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL
[2023-09-06 18:41:31,808 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-09-06 18:41:31,809 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-09-06 18:41:31,809 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-09-06 18:41:31,809 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-09-06 18:41:31,809 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2023-09-06 18:41:31,809 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-09-06 18:41:31,809 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS
[2023-09-06 18:41:31,809 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-09-06 18:41:31,971 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-09-06 18:41:31,986 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-09-06 18:41:31,988 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-09-06 18:41:31,988 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-09-06 18:41:31,989 INFO  L274        PluginConnector]: CDTParser initialized
[2023-09-06 18:41:31,989 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i
[2023-09-06 18:41:33,129 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-09-06 18:41:33,370 INFO  L384              CDTParser]: Found 1 translation units.
[2023-09-06 18:41:33,371 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i
[2023-09-06 18:41:33,385 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39bb74e56/15d429387dcc4bdbbdef7546ab391967/FLAGab0c581a5
[2023-09-06 18:41:33,396 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39bb74e56/15d429387dcc4bdbbdef7546ab391967
[2023-09-06 18:41:33,403 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-09-06 18:41:33,404 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-09-06 18:41:33,407 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-09-06 18:41:33,407 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-09-06 18:41:33,411 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-09-06 18:41:33,411 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 06:41:33" (1/1) ...
[2023-09-06 18:41:33,412 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bae2954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:41:33, skipping insertion in model container
[2023-09-06 18:41:33,412 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 06:41:33" (1/1) ...
[2023-09-06 18:41:33,466 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-09-06 18:41:33,637 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-C-DAC/pthread-demo-datarace-1.i[820,833]
[2023-09-06 18:41:34,032 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-09-06 18:41:34,043 INFO  L202         MainTranslator]: Completed pre-run
[2023-09-06 18:41:34,054 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-C-DAC/pthread-demo-datarace-1.i[820,833]
[2023-09-06 18:41:34,070 WARN  L75    lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [245]
[2023-09-06 18:41:34,072 WARN  L75    lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [246]
[2023-09-06 18:41:34,090 WARN  L75    lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [1102]
[2023-09-06 18:41:34,103 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-09-06 18:41:34,180 INFO  L206         MainTranslator]: Completed translation
[2023-09-06 18:41:34,180 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:41:34 WrapperNode
[2023-09-06 18:41:34,180 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-09-06 18:41:34,182 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-09-06 18:41:34,182 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-09-06 18:41:34,182 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-09-06 18:41:34,187 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:41:34" (1/1) ...
[2023-09-06 18:41:34,211 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:41:34" (1/1) ...
[2023-09-06 18:41:34,231 INFO  L138                Inliner]: procedures = 364, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62
[2023-09-06 18:41:34,231 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-09-06 18:41:34,232 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-09-06 18:41:34,232 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-09-06 18:41:34,232 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-09-06 18:41:34,239 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:41:34" (1/1) ...
[2023-09-06 18:41:34,239 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:41:34" (1/1) ...
[2023-09-06 18:41:34,242 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:41:34" (1/1) ...
[2023-09-06 18:41:34,242 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:41:34" (1/1) ...
[2023-09-06 18:41:34,246 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:41:34" (1/1) ...
[2023-09-06 18:41:34,249 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:41:34" (1/1) ...
[2023-09-06 18:41:34,250 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:41:34" (1/1) ...
[2023-09-06 18:41:34,251 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:41:34" (1/1) ...
[2023-09-06 18:41:34,266 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-09-06 18:41:34,267 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-09-06 18:41:34,267 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-09-06 18:41:34,267 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-09-06 18:41:34,268 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:41:34" (1/1) ...
[2023-09-06 18:41:34,275 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-09-06 18:41:34,283 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-06 18:41:34,295 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 18:41:34,313 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 18:41:34,332 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-09-06 18:41:34,333 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-09-06 18:41:34,333 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-09-06 18:41:34,333 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-09-06 18:41:34,334 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2023-09-06 18:41:34,335 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-09-06 18:41:34,335 INFO  L130     BoogieDeclarations]: Found specification of procedure thread_function_mutex
[2023-09-06 18:41:34,336 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread_function_mutex
[2023-09-06 18:41:34,336 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-09-06 18:41:34,336 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-09-06 18:41:34,336 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-09-06 18:41:34,337 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 18:41:34,473 INFO  L236             CfgBuilder]: Building ICFG
[2023-09-06 18:41:34,474 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-09-06 18:41:34,603 INFO  L277             CfgBuilder]: Performing block encoding
[2023-09-06 18:41:34,609 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-09-06 18:41:34,609 INFO  L302             CfgBuilder]: Removed 2 assume(true) statements.
[2023-09-06 18:41:34,611 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 06:41:34 BoogieIcfgContainer
[2023-09-06 18:41:34,611 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-09-06 18:41:34,612 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-09-06 18:41:34,612 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-09-06 18:41:34,615 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-09-06 18:41:34,615 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.09 06:41:33" (1/3) ...
[2023-09-06 18:41:34,616 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269b506e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.09 06:41:34, skipping insertion in model container
[2023-09-06 18:41:34,616 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:41:34" (2/3) ...
[2023-09-06 18:41:34,616 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269b506e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.09 06:41:34, skipping insertion in model container
[2023-09-06 18:41:34,617 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 06:41:34" (3/3) ...
[2023-09-06 18:41:34,617 INFO  L112   eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.i
[2023-09-06 18:41:34,624 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-09-06 18:41:34,631 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-09-06 18:41:34,632 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-09-06 18:41:34,632 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-09-06 18:41:34,670 INFO  L144    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2023-09-06 18:41:34,711 INFO  L103   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-09-06 18:41:34,711 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2023-09-06 18:41:34,711 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-06 18:41:34,712 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 18:41:34,714 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 18:41:34,745 INFO  L166   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2023-09-06 18:41:34,752 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-09-06 18:41:34,757 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;@79302683, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-09-06 18:41:34,757 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 2 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
[2023-09-06 18:41:34,879 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2023-09-06 18:41:34,883 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-06 18:41:34,883 INFO  L85        PathProgramCache]: Analyzing trace with hash -720056045, now seen corresponding path program 1 times
[2023-09-06 18:41:34,890 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-06 18:41:34,891 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072830197]
[2023-09-06 18:41:34,891 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-06 18:41:34,891 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-06 18:41:35,034 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-06 18:41:35,185 INFO  L134       CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked.
[2023-09-06 18:41:35,186 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-06 18:41:35,186 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072830197]
[2023-09-06 18:41:35,187 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072830197] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-06 18:41:35,187 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-09-06 18:41:35,188 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-09-06 18:41:35,189 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995234539]
[2023-09-06 18:41:35,189 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-06 18:41:35,194 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-09-06 18:41:35,195 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-06 18:41:35,215 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-09-06 18:41:35,216 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-09-06 18:41:35,216 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:35,217 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-06 18:41:35,218 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 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 18:41:35,218 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
[2023-09-06 18:41:35,339 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:35,339 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-09-06 18:41:35,339 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2023-09-06 18:41:35,340 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-06 18:41:35,340 INFO  L85        PathProgramCache]: Analyzing trace with hash 1546329716, now seen corresponding path program 1 times
[2023-09-06 18:41:35,340 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-06 18:41:35,340 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662259441]
[2023-09-06 18:41:35,340 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-06 18:41:35,341 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-06 18:41:35,385 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-06 18:41:35,637 INFO  L134       CoverageAnalysis]: Checked inductivity of 53 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2023-09-06 18:41:35,637 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-06 18:41:35,637 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662259441]
[2023-09-06 18:41:35,638 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662259441] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-06 18:41:35,638 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-09-06 18:41:35,638 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-09-06 18:41:35,638 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495050911]
[2023-09-06 18:41:35,638 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-06 18:41:35,640 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-09-06 18:41:35,641 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-06 18:41:35,641 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-09-06 18:41:35,642 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-09-06 18:41:35,642 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:35,643 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-06 18:41:35,643 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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 18:41:35,643 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:35,643 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
[2023-09-06 18:41:35,791 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:35,792 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-09-06 18:41:35,792 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-09-06 18:41:35,792 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2023-09-06 18:41:35,793 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-06 18:41:35,793 INFO  L85        PathProgramCache]: Analyzing trace with hash -269270692, now seen corresponding path program 2 times
[2023-09-06 18:41:35,793 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-06 18:41:35,793 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672094927]
[2023-09-06 18:41:35,794 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-06 18:41:35,794 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-06 18:41:35,836 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-06 18:41:35,955 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-09-06 18:41:35,956 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-06 18:41:35,956 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672094927]
[2023-09-06 18:41:35,956 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672094927] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-06 18:41:35,956 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064321922]
[2023-09-06 18:41:35,956 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-09-06 18:41:35,957 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 18:41:35,957 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-06 18:41:35,979 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 18:41:35,980 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 18:41:36,079 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-09-06 18:41:36,099 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-06 18:41:36,102 INFO  L262         TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-09-06 18:41:36,108 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-06 18:41:36,190 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-09-06 18:41:36,190 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-06 18:41:36,259 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-09-06 18:41:36,259 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064321922] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-06 18:41:36,259 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-06 18:41:36,260 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10
[2023-09-06 18:41:36,260 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112259466]
[2023-09-06 18:41:36,260 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-06 18:41:36,262 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-09-06 18:41:36,262 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-06 18:41:36,263 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-09-06 18:41:36,264 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2023-09-06 18:41:36,264 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:36,266 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-06 18:41:36,267 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 11.7) internal successors, (117), 10 states have internal predecessors, (117), 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 18:41:36,267 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:36,267 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-09-06 18:41:36,268 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
[2023-09-06 18:41:36,448 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:36,448 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-09-06 18:41:36,448 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 18:41:36,455 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 18:41:36,653 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,SelfDestructingSolverStorable2
[2023-09-06 18:41:36,653 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2023-09-06 18:41:36,654 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-06 18:41:36,654 INFO  L85        PathProgramCache]: Analyzing trace with hash -744061988, now seen corresponding path program 3 times
[2023-09-06 18:41:36,654 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-06 18:41:36,654 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3653798]
[2023-09-06 18:41:36,654 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-06 18:41:36,654 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-06 18:41:36,677 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-06 18:41:36,829 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2023-09-06 18:41:36,829 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-06 18:41:36,829 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3653798]
[2023-09-06 18:41:36,830 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3653798] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-06 18:41:36,830 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715441569]
[2023-09-06 18:41:36,831 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-09-06 18:41:36,831 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 18:41:36,833 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-06 18:41:36,838 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 18:41:36,840 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 18:41:36,941 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2023-09-06 18:41:36,941 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-06 18:41:36,942 INFO  L262         TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-09-06 18:41:36,947 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-06 18:41:37,014 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2023-09-06 18:41:37,014 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-06 18:41:37,093 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2023-09-06 18:41:37,093 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715441569] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-06 18:41:37,093 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-06 18:41:37,093 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14
[2023-09-06 18:41:37,094 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910441160]
[2023-09-06 18:41:37,094 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-06 18:41:37,095 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2023-09-06 18:41:37,095 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-06 18:41:37,095 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2023-09-06 18:41:37,096 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182
[2023-09-06 18:41:37,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:37,096 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-06 18:41:37,096 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 8.714285714285714) internal successors, (122), 14 states have internal predecessors, (122), 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 18:41:37,096 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-09-06 18:41:37,097 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 18:41:37,097 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
[2023-09-06 18:41:37,247 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:37,248 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-09-06 18:41:37,248 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 18:41:37,248 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-09-06 18:41:37,256 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-09-06 18:41:37,453 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 18:41:37,454 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2023-09-06 18:41:37,454 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-06 18:41:37,455 INFO  L85        PathProgramCache]: Analyzing trace with hash 1065915882, now seen corresponding path program 4 times
[2023-09-06 18:41:37,455 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-06 18:41:37,455 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431450875]
[2023-09-06 18:41:37,455 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-06 18:41:37,455 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-06 18:41:37,487 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-06 18:41:37,759 INFO  L134       CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2023-09-06 18:41:37,759 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-06 18:41:37,759 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431450875]
[2023-09-06 18:41:37,759 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431450875] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-06 18:41:37,759 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769309734]
[2023-09-06 18:41:37,760 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2023-09-06 18:41:37,760 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 18:41:37,760 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-06 18:41:37,761 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 18:41:37,786 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 18:41:37,892 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2023-09-06 18:41:37,893 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-06 18:41:37,894 INFO  L262         TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 14 conjunts are in the unsatisfiable core
[2023-09-06 18:41:37,901 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-06 18:41:37,983 INFO  L134       CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2023-09-06 18:41:37,983 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-06 18:41:38,266 INFO  L134       CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2023-09-06 18:41:38,267 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [769309734] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-06 18:41:38,267 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-06 18:41:38,267 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 30
[2023-09-06 18:41:38,267 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557608955]
[2023-09-06 18:41:38,267 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-06 18:41:38,268 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 30 states
[2023-09-06 18:41:38,268 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-06 18:41:38,269 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants.
[2023-09-06 18:41:38,274 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=630, Unknown=0, NotChecked=0, Total=870
[2023-09-06 18:41:38,274 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:38,274 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-06 18:41:38,275 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 30 states, 30 states have (on average 5.533333333333333) internal successors, (166), 30 states have internal predecessors, (166), 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 18:41:38,275 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:38,275 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-09-06 18:41:38,275 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 18:41:38,275 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2023-09-06 18:41:38,275 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
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
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 18:41:38,719 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:38,720 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-09-06 18:41:38,720 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 18:41:38,720 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-09-06 18:41:38,720 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2023-09-06 18:41:38,729 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 18:41:38,927 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 18:41:38,927 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2023-09-06 18:41:38,927 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-06 18:41:38,927 INFO  L85        PathProgramCache]: Analyzing trace with hash -1171000158, now seen corresponding path program 5 times
[2023-09-06 18:41:38,928 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-06 18:41:38,928 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649386683]
[2023-09-06 18:41:38,928 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-06 18:41:38,928 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-06 18:41:38,986 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-06 18:41:39,797 INFO  L134       CoverageAnalysis]: Checked inductivity of 778 backedges. 0 proven. 742 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2023-09-06 18:41:39,797 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-06 18:41:39,797 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649386683]
[2023-09-06 18:41:39,797 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649386683] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-06 18:41:39,798 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154150976]
[2023-09-06 18:41:39,798 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2023-09-06 18:41:39,798 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 18:41:39,798 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-06 18:41:39,799 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 18:41:39,824 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 18:41:39,978 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s)
[2023-09-06 18:41:39,979 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-06 18:41:39,981 INFO  L262         TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 30 conjunts are in the unsatisfiable core
[2023-09-06 18:41:39,985 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-06 18:41:40,167 INFO  L134       CoverageAnalysis]: Checked inductivity of 778 backedges. 0 proven. 742 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2023-09-06 18:41:40,167 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-06 18:41:40,762 INFO  L134       CoverageAnalysis]: Checked inductivity of 778 backedges. 0 proven. 742 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2023-09-06 18:41:40,763 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1154150976] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-06 18:41:40,763 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-06 18:41:40,763 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 43
[2023-09-06 18:41:40,763 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897514995]
[2023-09-06 18:41:40,763 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-06 18:41:40,764 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 43 states
[2023-09-06 18:41:40,764 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-06 18:41:40,765 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants.
[2023-09-06 18:41:40,766 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=483, Invalid=1323, Unknown=0, NotChecked=0, Total=1806
[2023-09-06 18:41:40,766 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:40,766 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-06 18:41:40,766 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 43 states, 43 states have (on average 5.162790697674419) internal successors, (222), 43 states have internal predecessors, (222), 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 18:41:40,767 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:40,767 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-09-06 18:41:40,767 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 18:41:40,767 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2023-09-06 18:41:40,767 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2023-09-06 18:41:40,767 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
[2023-09-06 18:41:41,637 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:41,637 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-09-06 18:41:41,637 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 18:41:41,637 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-09-06 18:41:41,637 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2023-09-06 18:41:41,641 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2023-09-06 18:41:41,649 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2023-09-06 18:41:41,845 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 18:41:41,845 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2023-09-06 18:41:41,845 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-06 18:41:41,845 INFO  L85        PathProgramCache]: Analyzing trace with hash -1345038333, now seen corresponding path program 6 times
[2023-09-06 18:41:41,846 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-06 18:41:41,846 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463176886]
[2023-09-06 18:41:41,846 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-06 18:41:41,846 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-06 18:41:41,901 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-06 18:41:43,273 INFO  L134       CoverageAnalysis]: Checked inductivity of 1737 backedges. 1567 proven. 134 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2023-09-06 18:41:43,273 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-06 18:41:43,273 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463176886]
[2023-09-06 18:41:43,273 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463176886] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-06 18:41:43,273 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873395526]
[2023-09-06 18:41:43,273 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2023-09-06 18:41:43,274 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 18:41:43,274 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-06 18:41:43,275 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 18:41:43,300 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 18:41:43,432 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s)
[2023-09-06 18:41:43,432 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-06 18:41:43,433 INFO  L262         TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 8 conjunts are in the unsatisfiable core
[2023-09-06 18:41:43,436 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-06 18:41:43,625 INFO  L134       CoverageAnalysis]: Checked inductivity of 1737 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1701 trivial. 0 not checked.
[2023-09-06 18:41:43,626 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-06 18:41:43,868 INFO  L134       CoverageAnalysis]: Checked inductivity of 1737 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1701 trivial. 0 not checked.
[2023-09-06 18:41:43,869 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873395526] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-06 18:41:43,869 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-06 18:41:43,869 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 9, 9] total 57
[2023-09-06 18:41:43,869 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522262740]
[2023-09-06 18:41:43,869 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-06 18:41:43,870 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 57 states
[2023-09-06 18:41:43,870 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-06 18:41:43,872 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants.
[2023-09-06 18:41:43,873 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=515, Invalid=2677, Unknown=0, NotChecked=0, Total=3192
[2023-09-06 18:41:43,873 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:43,873 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-06 18:41:43,873 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 57 states, 57 states have (on average 5.473684210526316) internal successors, (312), 57 states have internal predecessors, (312), 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 18:41:43,873 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:43,873 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-09-06 18:41:43,874 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 18:41:43,874 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2023-09-06 18:41:43,874 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2023-09-06 18:41:43,874 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. 
[2023-09-06 18:41:43,874 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
[2023-09-06 18:41:45,547 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:45,548 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-09-06 18:41:45,548 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 18:41:45,548 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-09-06 18:41:45,548 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2023-09-06 18:41:45,548 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2023-09-06 18:41:45,548 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. 
[2023-09-06 18:41:45,559 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2023-09-06 18:41:45,754 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 18:41:45,754 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2023-09-06 18:41:45,755 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-06 18:41:45,755 INFO  L85        PathProgramCache]: Analyzing trace with hash -1004021176, now seen corresponding path program 7 times
[2023-09-06 18:41:45,755 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-06 18:41:45,755 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045131195]
[2023-09-06 18:41:45,755 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-06 18:41:45,755 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-06 18:41:45,824 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-06 18:41:46,381 INFO  L134       CoverageAnalysis]: Checked inductivity of 1856 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked.
[2023-09-06 18:41:46,383 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-06 18:41:46,383 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045131195]
[2023-09-06 18:41:46,383 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045131195] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-06 18:41:46,383 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903120548]
[2023-09-06 18:41:46,383 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2023-09-06 18:41:46,383 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 18:41:46,384 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-06 18:41:46,385 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)
[2023-09-06 18:41:46,387 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2023-09-06 18:41:46,571 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-06 18:41:46,574 INFO  L262         TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 18 conjunts are in the unsatisfiable core
[2023-09-06 18:41:46,580 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-06 18:41:46,691 INFO  L134       CoverageAnalysis]: Checked inductivity of 1856 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked.
[2023-09-06 18:41:46,692 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-06 18:41:47,033 INFO  L134       CoverageAnalysis]: Checked inductivity of 1856 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked.
[2023-09-06 18:41:47,033 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903120548] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-06 18:41:47,033 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-06 18:41:47,033 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 38
[2023-09-06 18:41:47,033 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752681841]
[2023-09-06 18:41:47,034 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-06 18:41:47,034 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 38 states
[2023-09-06 18:41:47,034 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-06 18:41:47,035 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants.
[2023-09-06 18:41:47,035 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=380, Invalid=1026, Unknown=0, NotChecked=0, Total=1406
[2023-09-06 18:41:47,035 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:47,036 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-06 18:41:47,036 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 38 states, 38 states have (on average 6.473684210526316) internal successors, (246), 38 states have internal predecessors, (246), 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 18:41:47,036 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:47,036 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-09-06 18:41:47,036 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 18:41:47,036 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2023-09-06 18:41:47,036 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2023-09-06 18:41:47,037 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. 
[2023-09-06 18:41:47,037 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. 
[2023-09-06 18:41:47,037 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
[2023-09-06 18:41:47,863 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:47,864 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-09-06 18:41:47,864 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 18:41:47,864 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-09-06 18:41:47,864 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2023-09-06 18:41:47,864 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2023-09-06 18:41:47,864 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. 
[2023-09-06 18:41:47,864 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2023-09-06 18:41:47,873 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2023-09-06 18:41:48,073 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 18:41:48,073 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2023-09-06 18:41:48,073 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-06 18:41:48,073 INFO  L85        PathProgramCache]: Analyzing trace with hash 2026588616, now seen corresponding path program 8 times
[2023-09-06 18:41:48,073 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-06 18:41:48,074 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962582619]
[2023-09-06 18:41:48,074 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-06 18:41:48,074 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-06 18:41:48,167 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-06 18:41:49,613 INFO  L134       CoverageAnalysis]: Checked inductivity of 3241 backedges. 0 proven. 1701 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked.
[2023-09-06 18:41:49,613 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-06 18:41:49,613 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962582619]
[2023-09-06 18:41:49,614 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962582619] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-06 18:41:49,614 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505273659]
[2023-09-06 18:41:49,614 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-09-06 18:41:49,614 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 18:41:49,614 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-06 18:41:49,615 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-06 18:41:49,621 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2023-09-06 18:41:49,865 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-09-06 18:41:49,865 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-06 18:41:49,869 INFO  L262         TraceCheckSpWp]: Trace formula consists of 1003 conjuncts, 38 conjunts are in the unsatisfiable core
[2023-09-06 18:41:49,875 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-06 18:41:50,115 INFO  L134       CoverageAnalysis]: Checked inductivity of 3241 backedges. 0 proven. 1701 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked.
[2023-09-06 18:41:50,115 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-06 18:41:50,814 INFO  L134       CoverageAnalysis]: Checked inductivity of 3241 backedges. 0 proven. 1701 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked.
[2023-09-06 18:41:50,815 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [505273659] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-06 18:41:50,815 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-06 18:41:50,815 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39, 39] total 43
[2023-09-06 18:41:50,817 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25827027]
[2023-09-06 18:41:50,817 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-06 18:41:50,818 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 43 states
[2023-09-06 18:41:50,818 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-06 18:41:50,819 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants.
[2023-09-06 18:41:50,819 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=483, Invalid=1323, Unknown=0, NotChecked=0, Total=1806
[2023-09-06 18:41:50,820 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:50,820 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-06 18:41:50,820 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 43 states, 43 states have (on average 6.488372093023256) internal successors, (279), 43 states have internal predecessors, (279), 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 18:41:50,820 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:50,821 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-09-06 18:41:50,821 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 18:41:50,821 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2023-09-06 18:41:50,821 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2023-09-06 18:41:50,821 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. 
[2023-09-06 18:41:50,821 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. 
[2023-09-06 18:41:50,821 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2023-09-06 18:41:50,821 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
[2023-09-06 18:41:51,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:51,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-09-06 18:41:51,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 18:41:51,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-09-06 18:41:51,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2023-09-06 18:41:51,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2023-09-06 18:41:51,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. 
[2023-09-06 18:41:51,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2023-09-06 18:41:51,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2023-09-06 18:41:51,883 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2023-09-06 18:41:52,078 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8
[2023-09-06 18:41:52,078 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2023-09-06 18:41:52,078 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-06 18:41:52,079 INFO  L85        PathProgramCache]: Analyzing trace with hash 1736224812, now seen corresponding path program 9 times
[2023-09-06 18:41:52,079 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-06 18:41:52,079 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846167241]
[2023-09-06 18:41:52,079 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-06 18:41:52,079 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-06 18:41:52,178 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-06 18:41:53,811 INFO  L134       CoverageAnalysis]: Checked inductivity of 3871 backedges. 2140 proven. 191 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked.
[2023-09-06 18:41:53,812 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-06 18:41:53,812 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846167241]
[2023-09-06 18:41:53,812 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846167241] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-06 18:41:53,812 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941898896]
[2023-09-06 18:41:53,812 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-09-06 18:41:53,812 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 18:41:53,812 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-06 18:41:53,813 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-06 18:41:53,815 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2023-09-06 18:41:54,473 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s)
[2023-09-06 18:41:54,474 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-06 18:41:54,478 INFO  L262         TraceCheckSpWp]: Trace formula consists of 1081 conjuncts, 42 conjunts are in the unsatisfiable core
[2023-09-06 18:41:54,483 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-06 18:41:54,773 INFO  L134       CoverageAnalysis]: Checked inductivity of 3871 backedges. 2331 proven. 0 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked.
[2023-09-06 18:41:54,773 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-09-06 18:41:54,774 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941898896] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-06 18:41:54,774 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-09-06 18:41:54,774 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [43] total 45
[2023-09-06 18:41:54,774 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899807078]
[2023-09-06 18:41:54,774 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-06 18:41:54,775 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 43 states
[2023-09-06 18:41:54,775 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-06 18:41:54,776 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants.
[2023-09-06 18:41:54,776 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=489, Invalid=1491, Unknown=0, NotChecked=0, Total=1980
[2023-09-06 18:41:54,776 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:54,777 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-06 18:41:54,777 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 43 states, 43 states have (on average 6.6976744186046515) internal successors, (288), 43 states have internal predecessors, (288), 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 18:41:54,777 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:54,777 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-09-06 18:41:54,777 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 18:41:54,777 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2023-09-06 18:41:54,777 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2023-09-06 18:41:54,778 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. 
[2023-09-06 18:41:54,778 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. 
[2023-09-06 18:41:54,778 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2023-09-06 18:41:54,778 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. 
[2023-09-06 18:41:54,778 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 18:41:55,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:41:55,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-09-06 18:41:55,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 18:41:55,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-09-06 18:41:55,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2023-09-06 18:41:55,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2023-09-06 18:41:55,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. 
[2023-09-06 18:41:55,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2023-09-06 18:41:55,841 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2023-09-06 18:41:55,841 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2023-09-06 18:41:55,853 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2023-09-06 18:41:56,049 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2023-09-06 18:41:56,049 INFO  L420      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2023-09-06 18:41:56,050 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-06 18:41:56,050 INFO  L85        PathProgramCache]: Analyzing trace with hash -2076888248, now seen corresponding path program 10 times
[2023-09-06 18:41:56,050 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-06 18:41:56,050 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463465686]
[2023-09-06 18:41:56,050 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-06 18:41:56,050 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-06 18:41:56,127 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-06 18:41:59,931 INFO  L134       CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 18:41:59,931 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-06 18:41:59,931 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463465686]
[2023-09-06 18:41:59,931 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463465686] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-06 18:41:59,931 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814748090]
[2023-09-06 18:41:59,932 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2023-09-06 18:41:59,932 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 18:41:59,932 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-06 18:41:59,933 INFO  L229       MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-06 18:41:59,939 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2023-09-06 18:42:00,280 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2023-09-06 18:42:00,280 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-06 18:42:00,285 INFO  L262         TraceCheckSpWp]: Trace formula consists of 1055 conjuncts, 168 conjunts are in the unsatisfiable core
[2023-09-06 18:42:00,291 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-06 18:42:00,782 INFO  L134       CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 18:42:00,782 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-06 18:42:01,226 INFO  L134       CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 18:42:01,226 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814748090] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-06 18:42:01,226 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-06 18:42:01,226 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 66, 66] total 68
[2023-09-06 18:42:01,226 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79243053]
[2023-09-06 18:42:01,227 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-06 18:42:01,227 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 68 states
[2023-09-06 18:42:01,227 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-06 18:42:01,228 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants.
[2023-09-06 18:42:01,229 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=4421, Unknown=0, NotChecked=0, Total=4556
[2023-09-06 18:42:01,230 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:42:01,230 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-06 18:42:01,230 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 68 states, 68 states have (on average 6.367647058823529) internal successors, (433), 68 states have internal predecessors, (433), 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 18:42:01,231 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:42:01,231 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-09-06 18:42:01,231 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 18:42:01,231 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2023-09-06 18:42:01,231 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2023-09-06 18:42:01,231 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. 
[2023-09-06 18:42:01,231 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. 
[2023-09-06 18:42:01,231 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2023-09-06 18:42:01,231 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. 
[2023-09-06 18:42:01,231 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. 
[2023-09-06 18:42:01,231 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
[2023-09-06 18:42:09,417 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:42:09,417 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-09-06 18:42:09,417 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 18:42:09,417 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-09-06 18:42:09,417 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2023-09-06 18:42:09,417 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2023-09-06 18:42:09,417 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. 
[2023-09-06 18:42:09,417 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2023-09-06 18:42:09,417 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2023-09-06 18:42:09,417 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2023-09-06 18:42:09,418 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. 
[2023-09-06 18:42:09,431 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2023-09-06 18:42:09,631 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2023-09-06 18:42:09,631 INFO  L420      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2023-09-06 18:42:09,631 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-06 18:42:09,632 INFO  L85        PathProgramCache]: Analyzing trace with hash 1835705658, now seen corresponding path program 11 times
[2023-09-06 18:42:09,632 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-06 18:42:09,632 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426874743]
[2023-09-06 18:42:09,632 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-06 18:42:09,632 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-06 18:42:09,715 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-06 18:42:13,607 INFO  L134       CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 18:42:13,607 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-06 18:42:13,607 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426874743]
[2023-09-06 18:42:13,607 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426874743] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-06 18:42:13,607 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160110735]
[2023-09-06 18:42:13,607 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2023-09-06 18:42:13,608 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 18:42:13,608 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-06 18:42:13,613 INFO  L229       MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-06 18:42:13,617 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2023-09-06 18:42:13,970 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s)
[2023-09-06 18:42:13,970 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-06 18:42:13,974 INFO  L262         TraceCheckSpWp]: Trace formula consists of 1055 conjuncts, 168 conjunts are in the unsatisfiable core
[2023-09-06 18:42:13,979 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-06 18:42:14,469 INFO  L134       CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 18:42:14,470 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-06 18:42:14,889 INFO  L134       CoverageAnalysis]: Checked inductivity of 3650 backedges. 0 proven. 3650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 18:42:14,890 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160110735] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-06 18:42:14,890 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-06 18:42:14,890 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 67, 67] total 69
[2023-09-06 18:42:14,890 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000762956]
[2023-09-06 18:42:14,890 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-06 18:42:14,891 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 69 states
[2023-09-06 18:42:14,891 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-06 18:42:14,892 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants.
[2023-09-06 18:42:14,894 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=4555, Unknown=0, NotChecked=0, Total=4692
[2023-09-06 18:42:14,894 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:42:14,894 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-06 18:42:14,895 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 69 states, 69 states have (on average 6.27536231884058) internal successors, (433), 69 states have internal predecessors, (433), 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 18:42:14,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 18:42:14,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-09-06 18:42:14,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 18:42:14,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2023-09-06 18:42:14,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2023-09-06 18:42:14,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. 
[2023-09-06 18:42:14,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. 
[2023-09-06 18:42:14,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2023-09-06 18:42:14,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. 
[2023-09-06 18:42:14,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. 
[2023-09-06 18:42:14,895 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. 
[2023-09-06 18:42:14,896 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
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Received shutdown request...
[2023-09-06 18:45:55,784 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2023-09-06 18:45:55,785 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 18:45:55,785 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 18:45:55,940 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0
[2023-09-06 18:45:56,134 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2023-09-06 18:45:56,134 WARN  L619      AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction.
[2023-09-06 18:45:56,136 INFO  L805   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining)
[2023-09-06 18:45:56,137 INFO  L805   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining)
[2023-09-06 18:45:56,151 INFO  L445         BasicCegarLoop]: Path program histogram: [11, 1]
[2023-09-06 18:45:56,153 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-09-06 18:45:56,153 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-09-06 18:45:56,155 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.09 06:45:56 BasicIcfg
[2023-09-06 18:45:56,155 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-09-06 18:45:56,155 INFO  L158              Benchmark]: Toolchain (without parser) took 262751.68ms. Allocated memory was 228.6MB in the beginning and 987.8MB in the end (delta: 759.2MB). Free memory was 180.7MB in the beginning and 672.8MB in the end (delta: -492.1MB). Peak memory consumption was 266.9MB. Max. memory is 7.0GB.
[2023-09-06 18:45:56,156 INFO  L158              Benchmark]: CDTParser took 0.11ms. Allocated memory is still 158.3MB. Free memory is still 112.1MB. There was no memory consumed. Max. memory is 7.0GB.
[2023-09-06 18:45:56,156 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 774.56ms. Allocated memory is still 228.6MB. Free memory was 180.3MB in the beginning and 142.5MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 7.0GB.
[2023-09-06 18:45:56,156 INFO  L158              Benchmark]: Boogie Procedure Inliner took 49.68ms. Allocated memory is still 228.6MB. Free memory was 142.3MB in the beginning and 139.8MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB.
[2023-09-06 18:45:56,156 INFO  L158              Benchmark]: Boogie Preprocessor took 34.46ms. Allocated memory is still 228.6MB. Free memory was 139.8MB in the beginning and 138.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB.
[2023-09-06 18:45:56,156 INFO  L158              Benchmark]: RCFGBuilder took 343.89ms. Allocated memory is still 228.6MB. Free memory was 138.3MB in the beginning and 197.0MB in the end (delta: -58.7MB). Peak memory consumption was 17.1MB. Max. memory is 7.0GB.
[2023-09-06 18:45:56,157 INFO  L158              Benchmark]: TraceAbstraction took 261542.73ms. Allocated memory was 228.6MB in the beginning and 987.8MB in the end (delta: 759.2MB). Free memory was 196.6MB in the beginning and 672.8MB in the end (delta: -476.3MB). Peak memory consumption was 282.4MB. Max. memory is 7.0GB.
[2023-09-06 18:45:56,158 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.11ms. Allocated memory is still 158.3MB. Free memory is still 112.1MB. There was no memory consumed. Max. memory is 7.0GB.
 * CACSL2BoogieTranslator took 774.56ms. Allocated memory is still 228.6MB. Free memory was 180.3MB in the beginning and 142.5MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 7.0GB.
 * Boogie Procedure Inliner took 49.68ms. Allocated memory is still 228.6MB. Free memory was 142.3MB in the beginning and 139.8MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB.
 * Boogie Preprocessor took 34.46ms. Allocated memory is still 228.6MB. Free memory was 139.8MB in the beginning and 138.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB.
 * RCFGBuilder took 343.89ms. Allocated memory is still 228.6MB. Free memory was 138.3MB in the beginning and 197.0MB in the end (delta: -58.7MB). Peak memory consumption was 17.1MB. Max. memory is 7.0GB.
 * TraceAbstraction took 261542.73ms. Allocated memory was 228.6MB in the beginning and 987.8MB in the end (delta: 759.2MB). Free memory was 196.6MB in the beginning and 672.8MB in the end (delta: -476.3MB). Peak memory consumption was 282.4MB. Max. memory is 7.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResultAtLocation [Line: 245]: Unsoundness Warning
    unspecified type, defaulting to int C: short [245]
  - GenericResultAtLocation [Line: 246]: Unsoundness Warning
    unspecified type, defaulting to int C: short [246]
  - GenericResultAtLocation [Line: 1102]: Unsoundness Warning
    unspecified type, defaulting to int C: unsigned short [1102]
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation #1 benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15188, independent: 14987, independent conditional: 14987, independent unconditional: 0, dependent: 201, dependent conditional: 201, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15002, independent: 14987, independent conditional: 14987, independent unconditional: 0, dependent: 15, dependent conditional: 15, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15002, independent: 14987, independent conditional: 14987, independent unconditional: 0, dependent: 15, dependent conditional: 15, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15093, independent: 14987, independent conditional: 0, independent unconditional: 14987, dependent: 106, dependent conditional: 91, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15093, independent: 14987, independent conditional: 0, independent unconditional: 14987, dependent: 106, dependent conditional: 0, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15093, independent: 14987, independent conditional: 0, independent unconditional: 14987, dependent: 106, dependent conditional: 0, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15002, independent: 14987, independent conditional: 0, independent unconditional: 14987, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15002, independent: 14978, independent conditional: 0, independent unconditional: 14978, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 24, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 56, independent: 16, independent conditional: 0, independent unconditional: 16, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15093, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 91, dependent conditional: 0, dependent unconditional: 91, unknown: 15002, unknown conditional: 0, unknown unconditional: 15002] , Statistics on independence cache: Total cache size (in pairs): 15002, Positive cache size: 14987, Positive conditional cache size: 0, Positive unconditional cache size: 14987, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 91, Maximal queried relation: 12, Independence queries for same thread: 186
  - StatisticsResult: Proof manager benchmarks
    IrresponsibleProofs: 47, RedundantProofs: 5, ProvenStates: 2540
  - TimeoutResultAtElement [Line: 13]: Timeout (TraceAbstraction)
    Unable to prove that call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction.
  - TimeoutResultAtElement [Line: 1343]: 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 3 procedures, 99 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 261.4s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 11, EmptinessCheckTime: 235.9s, 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: 600, 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: 0.3s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 19.9s InterpolantComputationTime, 5686 NumberOfCodeBlocks, 5566 NumberOfCodeBlocksAsserted, 89 NumberOfCheckSat, 7965 ConstructedInterpolants, 0 QuantifiedInterpolants, 17215 SizeOfPredicates, 228 NumberOfNonLiveVariables, 6480 ConjunctsInSsa, 496 ConjunctsInUnsatCore, 31 InterpolantComputations, 3 PerfectInterpolantSequences, 22256/53241 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