/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/fib_safe-12.i


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


This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m
[2024-01-25 21:18:23,582 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-01-25 21:18:23,646 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf
[2024-01-25 21:18:23,650 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-01-25 21:18:23,650 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-01-25 21:18:23,651 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2024-01-25 21:18:23,672 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-01-25 21:18:23,673 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-01-25 21:18:23,673 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-01-25 21:18:23,676 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-01-25 21:18:23,676 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-01-25 21:18:23,677 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-01-25 21:18:23,677 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-01-25 21:18:23,678 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-01-25 21:18:23,678 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-01-25 21:18:23,678 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-01-25 21:18:23,679 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-01-25 21:18:23,679 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-01-25 21:18:23,679 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-01-25 21:18:23,679 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-01-25 21:18:23,679 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-01-25 21:18:23,680 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-01-25 21:18:23,680 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-01-25 21:18:23,681 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-01-25 21:18:23,681 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-01-25 21:18:23,681 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-01-25 21:18:23,681 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-01-25 21:18:23,682 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-01-25 21:18:23,682 INFO  L153        SettingsManager]:  * To the following directory=./dump/
[2024-01-25 21:18:23,682 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-01-25 21:18:23,683 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-01-25 21:18:23,683 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-01-25 21:18:23,683 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-01-25 21:18:23,683 INFO  L153        SettingsManager]:  * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL
[2024-01-25 21:18:23,683 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2024-01-25 21:18:23,683 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-01-25 21:18:23,683 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-01-25 21:18:23,683 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-01-25 21:18:23,684 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-01-25 21:18:23,684 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-01-25 21:18:23,684 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS
[2024-01-25 21:18:23,684 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/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION
[2024-01-25 21:18:23,869 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-01-25 21:18:23,887 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-01-25 21:18:23,889 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-01-25 21:18:23,890 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-01-25 21:18:23,890 INFO  L274        PluginConnector]: CDTParser initialized
[2024-01-25 21:18:23,891 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/fib_safe-12.i
[2024-01-25 21:18:24,875 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-01-25 21:18:25,084 INFO  L384              CDTParser]: Found 1 translation units.
[2024-01-25 21:18:25,084 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-12.i
[2024-01-25 21:18:25,097 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/361e988ee/5425e6c8c42c4569b2c5e3ebdf778ffe/FLAG722f17def
[2024-01-25 21:18:25,110 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/361e988ee/5425e6c8c42c4569b2c5e3ebdf778ffe
[2024-01-25 21:18:25,112 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-01-25 21:18:25,113 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-01-25 21:18:25,115 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-01-25 21:18:25,115 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-01-25 21:18:25,118 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-01-25 21:18:25,118 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 09:18:25" (1/1) ...
[2024-01-25 21:18:25,119 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57ee98a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:25, skipping insertion in model container
[2024-01-25 21:18:25,119 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 09:18:25" (1/1) ...
[2024-01-25 21:18:25,158 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2024-01-25 21:18:25,402 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-12.i[30241,30254]
[2024-01-25 21:18:25,418 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2024-01-25 21:18:25,426 INFO  L202         MainTranslator]: Completed pre-run
[2024-01-25 21:18:25,457 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-12.i[30241,30254]
[2024-01-25 21:18:25,473 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2024-01-25 21:18:25,501 INFO  L206         MainTranslator]: Completed translation
[2024-01-25 21:18:25,501 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:25 WrapperNode
[2024-01-25 21:18:25,501 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-01-25 21:18:25,503 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-01-25 21:18:25,503 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-01-25 21:18:25,503 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-01-25 21:18:25,507 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:25" (1/1) ...
[2024-01-25 21:18:25,530 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:25" (1/1) ...
[2024-01-25 21:18:25,550 INFO  L138                Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74
[2024-01-25 21:18:25,551 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-01-25 21:18:25,551 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-01-25 21:18:25,552 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-01-25 21:18:25,552 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-01-25 21:18:25,558 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:25" (1/1) ...
[2024-01-25 21:18:25,558 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:25" (1/1) ...
[2024-01-25 21:18:25,562 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:25" (1/1) ...
[2024-01-25 21:18:25,563 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:25" (1/1) ...
[2024-01-25 21:18:25,580 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:25" (1/1) ...
[2024-01-25 21:18:25,582 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:25" (1/1) ...
[2024-01-25 21:18:25,583 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:25" (1/1) ...
[2024-01-25 21:18:25,584 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:25" (1/1) ...
[2024-01-25 21:18:25,585 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-01-25 21:18:25,586 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-01-25 21:18:25,586 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-01-25 21:18:25,586 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-01-25 21:18:25,586 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:25" (1/1) ...
[2024-01-25 21:18:25,593 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-01-25 21:18:25,600 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-25 21:18:25,617 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-01-25 21:18:25,632 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-01-25 21:18:25,650 INFO  L130     BoogieDeclarations]: Found specification of procedure t1
[2024-01-25 21:18:25,650 INFO  L138     BoogieDeclarations]: Found implementation of procedure t1
[2024-01-25 21:18:25,651 INFO  L130     BoogieDeclarations]: Found specification of procedure t2
[2024-01-25 21:18:25,651 INFO  L138     BoogieDeclarations]: Found implementation of procedure t2
[2024-01-25 21:18:25,651 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-01-25 21:18:25,651 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-01-25 21:18:25,651 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-01-25 21:18:25,651 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-01-25 21:18:25,651 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-01-25 21:18:25,651 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-01-25 21:18:25,652 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-01-25 21:18:25,653 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-01-25 21:18:25,653 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-01-25 21:18:25,654 WARN  L213             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2024-01-25 21:18:25,767 INFO  L241             CfgBuilder]: Building ICFG
[2024-01-25 21:18:25,769 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-01-25 21:18:25,927 INFO  L282             CfgBuilder]: Performing block encoding
[2024-01-25 21:18:25,938 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-01-25 21:18:25,939 INFO  L309             CfgBuilder]: Removed 3 assume(true) statements.
[2024-01-25 21:18:25,939 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 09:18:25 BoogieIcfgContainer
[2024-01-25 21:18:25,939 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-01-25 21:18:25,941 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-01-25 21:18:25,941 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-01-25 21:18:25,943 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-01-25 21:18:25,943 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.01 09:18:25" (1/3) ...
[2024-01-25 21:18:25,944 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a24116b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 09:18:25, skipping insertion in model container
[2024-01-25 21:18:25,944 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:25" (2/3) ...
[2024-01-25 21:18:25,944 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a24116b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 09:18:25, skipping insertion in model container
[2024-01-25 21:18:25,945 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 09:18:25" (3/3) ...
[2024-01-25 21:18:25,946 INFO  L112   eAbstractionObserver]: Analyzing ICFG fib_safe-12.i
[2024-01-25 21:18:25,954 WARN  L146   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-01-25 21:18:25,962 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-01-25 21:18:25,963 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-01-25 21:18:25,963 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-01-25 21:18:26,010 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-01-25 21:18:26,037 INFO  L103   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-01-25 21:18:26,037 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-01-25 21:18:26,038 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-25 21:18:26,042 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-01-25 21:18:26,055 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-01-25 21:18:26,085 INFO  L166   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-01-25 21:18:26,091 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ========
[2024-01-25 21:18:26,096 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;@128a1d5e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-01-25 21:18:26,096 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
[2024-01-25 21:18:26,801 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-25 21:18:26,805 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-01-25 21:18:26,805 INFO  L85        PathProgramCache]: Analyzing trace with hash -544627393, now seen corresponding path program 1 times
[2024-01-25 21:18:26,811 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-25 21:18:26,811 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365609723]
[2024-01-25 21:18:26,811 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-25 21:18:26,811 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-25 21:18:26,921 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-25 21:18:27,108 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:27,108 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-25 21:18:27,108 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365609723]
[2024-01-25 21:18:27,109 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365609723] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-25 21:18:27,109 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480218735]
[2024-01-25 21:18:27,110 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-25 21:18:27,110 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-25 21:18:27,110 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-25 21:18:27,154 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-01-25 21:18:27,160 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-01-25 21:18:27,234 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-25 21:18:27,236 INFO  L262         TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 4 conjunts are in the unsatisfiable core
[2024-01-25 21:18:27,239 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-01-25 21:18:27,294 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:27,294 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-01-25 21:18:27,336 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:27,336 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480218735] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-25 21:18:27,336 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-25 21:18:27,337 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10
[2024-01-25 21:18:27,338 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323840495]
[2024-01-25 21:18:27,338 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-25 21:18:27,347 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-01-25 21:18:27,347 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-25 21:18:27,363 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-01-25 21:18:27,364 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2024-01-25 21:18:27,364 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-25 21:18:27,365 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-25 21:18:27,366 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 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)
[2024-01-25 21:18:27,367 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
[2024-01-25 21:18:27,447 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-01-25 21:18:27,460 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-01-25 21:18:27,652 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-01-25 21:18:27,652 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-25 21:18:27,652 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-01-25 21:18:27,652 INFO  L85        PathProgramCache]: Analyzing trace with hash -1061843560, now seen corresponding path program 2 times
[2024-01-25 21:18:27,653 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-25 21:18:27,653 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518727335]
[2024-01-25 21:18:27,653 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-25 21:18:27,653 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-25 21:18:27,671 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-25 21:18:27,855 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:27,856 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-25 21:18:27,856 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518727335]
[2024-01-25 21:18:27,856 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518727335] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-25 21:18:27,856 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938999669]
[2024-01-25 21:18:27,856 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-01-25 21:18:27,856 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-25 21:18:27,856 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-25 21:18:27,857 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-01-25 21:18:27,860 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-01-25 21:18:27,963 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-01-25 21:18:27,963 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-25 21:18:27,964 INFO  L262         TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 10 conjunts are in the unsatisfiable core
[2024-01-25 21:18:27,967 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-01-25 21:18:28,036 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:28,036 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-01-25 21:18:28,164 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:28,165 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [938999669] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-25 21:18:28,165 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-25 21:18:28,165 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22
[2024-01-25 21:18:28,165 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908019965]
[2024-01-25 21:18:28,165 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-25 21:18:28,167 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 22 states
[2024-01-25 21:18:28,167 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-25 21:18:28,167 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2024-01-25 21:18:28,168 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=330, Unknown=0, NotChecked=0, Total=462
[2024-01-25 21:18:28,168 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-25 21:18:28,169 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-25 21:18:28,169 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 22 states, 22 states have (on average 5.2272727272727275) internal successors, (115), 22 states have internal predecessors, (115), 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)
[2024-01-25 21:18:28,169 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2024-01-25 21:18:28,169 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
[2024-01-25 21:18:28,364 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-01-25 21:18:28,364 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2024-01-25 21:18:28,369 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-01-25 21:18:28,570 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-25 21:18:28,571 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-25 21:18:28,572 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-01-25 21:18:28,572 INFO  L85        PathProgramCache]: Analyzing trace with hash 160559096, now seen corresponding path program 3 times
[2024-01-25 21:18:28,572 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-25 21:18:28,572 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958311301]
[2024-01-25 21:18:28,572 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-25 21:18:28,572 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-25 21:18:28,597 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-25 21:18:28,984 INFO  L134       CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:28,984 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-25 21:18:28,984 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958311301]
[2024-01-25 21:18:28,984 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958311301] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-25 21:18:28,984 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682396738]
[2024-01-25 21:18:28,984 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-01-25 21:18:28,985 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-25 21:18:28,985 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-25 21:18:28,986 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-01-25 21:18:28,997 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-01-25 21:18:29,061 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s)
[2024-01-25 21:18:29,062 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-25 21:18:29,063 INFO  L262         TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 22 conjunts are in the unsatisfiable core
[2024-01-25 21:18:29,065 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-01-25 21:18:29,142 INFO  L134       CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:29,142 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-01-25 21:18:29,571 INFO  L134       CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:29,572 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [682396738] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-25 21:18:29,572 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-25 21:18:29,572 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 46
[2024-01-25 21:18:29,572 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886648009]
[2024-01-25 21:18:29,572 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-25 21:18:29,573 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 46 states
[2024-01-25 21:18:29,573 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-25 21:18:29,573 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants.
[2024-01-25 21:18:29,574 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=552, Invalid=1518, Unknown=0, NotChecked=0, Total=2070
[2024-01-25 21:18:29,574 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-25 21:18:29,574 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-25 21:18:29,575 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 46 states, 46 states have (on average 4.326086956521739) internal successors, (199), 46 states have internal predecessors, (199), 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)
[2024-01-25 21:18:29,575 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2024-01-25 21:18:29,575 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2024-01-25 21:18:29,575 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
[2024-01-25 21:18:30,316 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-01-25 21:18:30,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2024-01-25 21:18:30,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2024-01-25 21:18:30,328 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-01-25 21:18:30,521 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-25 21:18:30,522 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-25 21:18:30,523 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-01-25 21:18:30,523 INFO  L85        PathProgramCache]: Analyzing trace with hash 1640877240, now seen corresponding path program 4 times
[2024-01-25 21:18:30,523 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-25 21:18:30,523 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156607576]
[2024-01-25 21:18:30,523 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-25 21:18:30,523 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-25 21:18:30,561 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-25 21:18:31,602 INFO  L134       CoverageAnalysis]: Checked inductivity of 1639 backedges. 0 proven. 1639 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:31,603 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-25 21:18:31,603 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156607576]
[2024-01-25 21:18:31,603 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156607576] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-25 21:18:31,603 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867183145]
[2024-01-25 21:18:31,603 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-01-25 21:18:31,603 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-25 21:18:31,603 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-25 21:18:31,604 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-01-25 21:18:31,636 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-01-25 21:18:31,706 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-01-25 21:18:31,707 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-25 21:18:31,710 INFO  L262         TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 46 conjunts are in the unsatisfiable core
[2024-01-25 21:18:31,720 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-01-25 21:18:31,874 INFO  L134       CoverageAnalysis]: Checked inductivity of 1639 backedges. 0 proven. 1639 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:31,874 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-01-25 21:18:32,666 INFO  L134       CoverageAnalysis]: Checked inductivity of 1639 backedges. 0 proven. 1639 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:32,667 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867183145] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-25 21:18:32,667 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-25 21:18:32,667 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 55
[2024-01-25 21:18:32,667 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959213513]
[2024-01-25 21:18:32,667 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-25 21:18:32,668 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 55 states
[2024-01-25 21:18:32,668 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-25 21:18:32,669 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants.
[2024-01-25 21:18:32,669 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=783, Invalid=2187, Unknown=0, NotChecked=0, Total=2970
[2024-01-25 21:18:32,669 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-25 21:18:32,670 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-25 21:18:32,670 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 55 states, 55 states have (on average 4.254545454545455) internal successors, (234), 55 states have internal predecessors, (234), 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)
[2024-01-25 21:18:32,670 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2024-01-25 21:18:32,670 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2024-01-25 21:18:32,670 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. 
[2024-01-25 21:18:32,670 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
[2024-01-25 21:18:33,776 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-01-25 21:18:33,776 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2024-01-25 21:18:33,776 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2024-01-25 21:18:33,776 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. 
[2024-01-25 21:18:33,782 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-01-25 21:18:33,976 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-25 21:18:33,977 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-25 21:18:33,977 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-01-25 21:18:33,977 INFO  L85        PathProgramCache]: Analyzing trace with hash -46638689, now seen corresponding path program 5 times
[2024-01-25 21:18:33,977 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-25 21:18:33,978 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45497319]
[2024-01-25 21:18:33,978 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-25 21:18:33,978 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-25 21:18:34,023 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-25 21:18:35,305 INFO  L134       CoverageAnalysis]: Checked inductivity of 2484 backedges. 2333 proven. 151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:35,305 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-25 21:18:35,305 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45497319]
[2024-01-25 21:18:35,305 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45497319] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-25 21:18:35,306 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756115388]
[2024-01-25 21:18:35,306 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-01-25 21:18:35,306 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-25 21:18:35,306 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-25 21:18:35,307 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-01-25 21:18:35,309 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-01-25 21:18:35,416 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 28 check-sat command(s)
[2024-01-25 21:18:35,416 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-25 21:18:35,419 INFO  L262         TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 54 conjunts are in the unsatisfiable core
[2024-01-25 21:18:35,421 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-01-25 21:18:35,595 INFO  L134       CoverageAnalysis]: Checked inductivity of 2484 backedges. 2484 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:35,595 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-01-25 21:18:35,595 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [756115388] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-25 21:18:35,595 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-01-25 21:18:35,595 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [55] imperfect sequences [55] total 57
[2024-01-25 21:18:35,596 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151803754]
[2024-01-25 21:18:35,596 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-25 21:18:35,596 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 55 states
[2024-01-25 21:18:35,596 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-25 21:18:35,597 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants.
[2024-01-25 21:18:35,598 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=789, Invalid=2403, Unknown=0, NotChecked=0, Total=3192
[2024-01-25 21:18:35,598 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-25 21:18:35,598 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-25 21:18:35,598 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 55 states, 55 states have (on average 4.345454545454546) internal successors, (239), 55 states have internal predecessors, (239), 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)
[2024-01-25 21:18:35,598 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2024-01-25 21:18:35,598 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2024-01-25 21:18:35,598 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. 
[2024-01-25 21:18:35,598 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. 
[2024-01-25 21:18:35,598 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
[2024-01-25 21:18:36,709 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-01-25 21:18:36,709 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2024-01-25 21:18:36,709 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2024-01-25 21:18:36,709 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. 
[2024-01-25 21:18:36,709 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. 
[2024-01-25 21:18:36,714 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2024-01-25 21:18:36,916 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-25 21:18:36,916 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-25 21:18:36,916 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-01-25 21:18:36,916 INFO  L85        PathProgramCache]: Analyzing trace with hash 566755576, now seen corresponding path program 6 times
[2024-01-25 21:18:36,917 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-25 21:18:36,917 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72120475]
[2024-01-25 21:18:36,917 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-25 21:18:36,917 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-25 21:18:37,005 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-25 21:18:41,583 INFO  L134       CoverageAnalysis]: Checked inductivity of 2301 backedges. 0 proven. 2301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:41,583 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-25 21:18:41,583 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72120475]
[2024-01-25 21:18:41,583 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72120475] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-25 21:18:41,583 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960724941]
[2024-01-25 21:18:41,584 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2024-01-25 21:18:41,584 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-25 21:18:41,584 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-25 21:18:41,585 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-01-25 21:18:41,590 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-01-25 21:18:41,710 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s)
[2024-01-25 21:18:41,710 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-25 21:18:41,712 INFO  L262         TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 90 conjunts are in the unsatisfiable core
[2024-01-25 21:18:41,716 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-01-25 21:18:49,854 INFO  L134       CoverageAnalysis]: Checked inductivity of 2301 backedges. 1980 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:49,854 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-01-25 21:18:59,677 INFO  L134       CoverageAnalysis]: Checked inductivity of 2301 backedges. 0 proven. 2301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:59,677 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960724941] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-25 21:18:59,677 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-25 21:18:59,677 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 87, 87] total 255
[2024-01-25 21:18:59,678 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740253746]
[2024-01-25 21:18:59,678 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-25 21:18:59,678 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 255 states
[2024-01-25 21:18:59,678 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-25 21:18:59,680 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 255 interpolants.
[2024-01-25 21:18:59,690 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3670, Invalid=61100, Unknown=0, NotChecked=0, Total=64770
[2024-01-25 21:18:59,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-25 21:18:59,690 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-25 21:18:59,691 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 255 states, 255 states have (on average 2.635294117647059) internal successors, (672), 255 states have internal predecessors, (672), 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)
[2024-01-25 21:18:59,691 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2024-01-25 21:18:59,691 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2024-01-25 21:18:59,691 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. 
[2024-01-25 21:18:59,691 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. 
[2024-01-25 21:18:59,691 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. 
[2024-01-25 21:18:59,691 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
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Found a loop, use abstraction hammer
Received shutdown request...
[2024-01-25 21:32:56,861 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2024-01-25 21:32:56,861 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-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
[2024-01-25 21:32:56,861 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2024-01-25 21:32:57,165 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2024-01-25 21:32:57,360 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2024-01-25 21:32:57,363 WARN  L619      AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction.
[2024-01-25 21:32:57,365 INFO  L805   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-01-25 21:32:57,386 INFO  L445         BasicCegarLoop]: Path program histogram: [6]
[2024-01-25 21:32:57,387 INFO  L308   ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/3)
[2024-01-25 21:32:57,388 INFO  L229   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-01-25 21:32:57,388 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2024-01-25 21:32:57,390 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.01 09:32:57 BasicIcfg
[2024-01-25 21:32:57,390 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-01-25 21:32:57,390 INFO  L158              Benchmark]: Toolchain (without parser) took 872277.48ms. Allocated memory was 288.4MB in the beginning and 767.6MB in the end (delta: 479.2MB). Free memory was 232.2MB in the beginning and 530.4MB in the end (delta: -298.2MB). Peak memory consumption was 552.7MB. Max. memory is 8.0GB.
[2024-01-25 21:32:57,390 INFO  L158              Benchmark]: CDTParser took 0.10ms. Allocated memory is still 178.3MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 8.0GB.
[2024-01-25 21:32:57,391 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 386.91ms. Allocated memory is still 288.4MB. Free memory was 232.2MB in the beginning and 212.1MB in the end (delta: 20.1MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB.
[2024-01-25 21:32:57,391 INFO  L158              Benchmark]: Boogie Procedure Inliner took 48.45ms. Allocated memory is still 288.4MB. Free memory was 212.1MB in the beginning and 210.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2024-01-25 21:32:57,391 INFO  L158              Benchmark]: Boogie Preprocessor took 33.81ms. Allocated memory is still 288.4MB. Free memory was 210.2MB in the beginning and 208.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2024-01-25 21:32:57,391 INFO  L158              Benchmark]: RCFGBuilder took 353.52ms. Allocated memory is still 288.4MB. Free memory was 208.6MB in the beginning and 194.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB.
[2024-01-25 21:32:57,392 INFO  L158              Benchmark]: TraceAbstraction took 871448.83ms. Allocated memory was 288.4MB in the beginning and 767.6MB in the end (delta: 479.2MB). Free memory was 193.4MB in the beginning and 530.4MB in the end (delta: -337.0MB). Peak memory consumption was 513.9MB. Max. memory is 8.0GB.
[2024-01-25 21:32:57,393 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.10ms. Allocated memory is still 178.3MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 386.91ms. Allocated memory is still 288.4MB. Free memory was 232.2MB in the beginning and 212.1MB in the end (delta: 20.1MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 48.45ms. Allocated memory is still 288.4MB. Free memory was 212.1MB in the beginning and 210.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 33.81ms. Allocated memory is still 288.4MB. Free memory was 210.2MB in the beginning and 208.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
 * RCFGBuilder took 353.52ms. Allocated memory is still 288.4MB. Free memory was 208.6MB in the beginning and 194.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB.
 * TraceAbstraction took 871448.83ms. Allocated memory was 288.4MB in the beginning and 767.6MB in the end (delta: 479.2MB). Free memory was 193.4MB in the beginning and 530.4MB in the end (delta: -337.0MB). Peak memory consumption was 513.9MB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation #1 benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 27583, independent: 25918, independent conditional: 25918, independent unconditional: 0, dependent: 1665, dependent conditional: 1665, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25986, independent: 25918, independent conditional: 25918, independent unconditional: 0, dependent: 68, dependent conditional: 68, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 25986, independent: 25918, independent conditional: 25918, independent unconditional: 0, dependent: 68, dependent conditional: 68, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26358, independent: 25918, independent conditional: 0, independent unconditional: 25918, dependent: 440, dependent conditional: 372, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26358, independent: 25918, independent conditional: 0, independent unconditional: 25918, dependent: 440, dependent conditional: 0, dependent unconditional: 440, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26358, independent: 25918, independent conditional: 0, independent unconditional: 25918, dependent: 440, dependent conditional: 0, dependent unconditional: 440, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 25986, independent: 25918, independent conditional: 0, independent unconditional: 25918, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 25986, independent: 25918, independent conditional: 0, independent unconditional: 25918, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 68, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 68, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 68, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 82, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 26358, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 372, dependent conditional: 0, dependent unconditional: 372, unknown: 25986, unknown conditional: 0, unknown unconditional: 25986] , Statistics on independence cache: Total cache size (in pairs): 25986, Positive cache size: 25918, Positive conditional cache size: 0, Positive unconditional cache size: 25918, Negative cache size: 68, Negative conditional cache size: 0, Negative unconditional cache size: 68, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 372, Maximal queried relation: 6, Independence queries for same thread: 1597
  - StatisticsResult: Proof manager benchmarks
    IrresponsibleProofs: 18, RedundantProofs: 4, ProvenStates: 1479, Times there's more than one choice: 1476, Avg number of choices: 5.9898580121703855
  - StatisticsResult: Reduction benchmarks
    0.0s Time before loop, 1.1s Time in loop, 1.1s Time in total, Has Loop: true, Protected Variables: [], Protected Variables before encountering a loop: []
  - TimeoutResultAtElement [Line: 681]: Timeout (TraceAbstraction)
    Unable to prove that a call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction.
  - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances
    CFG has 5 procedures, 112 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 871.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 841.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 363, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 27.6s InterpolantComputationTime, 1860 NumberOfCodeBlocks, 1860 NumberOfCodeBlocksAsserted, 77 NumberOfCheckSat, 2534 ConstructedInterpolants, 0 QuantifiedInterpolants, 13767 SizeOfPredicates, 210 NumberOfNonLiveVariables, 1884 ConjunctsInSsa, 226 ConjunctsInUnsatCore, 17 InterpolantComputations, 1 PerfectInterpolantSequences, 6797/17904 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: Timeout
Completed graceful shutdown