/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-11.i


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


This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m
[2024-01-25 21:18:23,977 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-01-25 21:18:24,047 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf
[2024-01-25 21:18:24,052 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-01-25 21:18:24,053 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-01-25 21:18:24,053 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2024-01-25 21:18:24,074 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-01-25 21:18:24,075 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-01-25 21:18:24,075 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-01-25 21:18:24,078 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-01-25 21:18:24,078 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-01-25 21:18:24,079 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-01-25 21:18:24,079 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-01-25 21:18:24,080 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-01-25 21:18:24,080 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-01-25 21:18:24,080 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-01-25 21:18:24,080 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-01-25 21:18:24,080 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-01-25 21:18:24,080 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-01-25 21:18:24,081 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-01-25 21:18:24,081 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-01-25 21:18:24,081 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-01-25 21:18:24,081 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-01-25 21:18:24,081 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-01-25 21:18:24,081 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-01-25 21:18:24,082 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-01-25 21:18:24,082 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-01-25 21:18:24,082 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-01-25 21:18:24,082 INFO  L153        SettingsManager]:  * To the following directory=./dump/
[2024-01-25 21:18:24,082 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-01-25 21:18:24,083 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-01-25 21:18:24,083 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-01-25 21:18:24,083 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-01-25 21:18:24,084 INFO  L153        SettingsManager]:  * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL
[2024-01-25 21:18:24,084 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2024-01-25 21:18:24,084 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-01-25 21:18:24,084 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-01-25 21:18:24,084 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-01-25 21:18:24,084 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-01-25 21:18:24,084 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-01-25 21:18:24,084 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS
[2024-01-25 21:18:24,084 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION
[2024-01-25 21:18:24,283 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-01-25 21:18:24,303 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-01-25 21:18:24,305 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-01-25 21:18:24,306 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-01-25 21:18:24,306 INFO  L274        PluginConnector]: CDTParser initialized
[2024-01-25 21:18:24,307 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/fib_safe-11.i
[2024-01-25 21:18:25,414 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-01-25 21:18:25,643 INFO  L384              CDTParser]: Found 1 translation units.
[2024-01-25 21:18:25,643 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-11.i
[2024-01-25 21:18:25,660 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2cfeca0a5/39bea2550e824fd988898ad4fd85248d/FLAGbb3d22f23
[2024-01-25 21:18:25,677 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2cfeca0a5/39bea2550e824fd988898ad4fd85248d
[2024-01-25 21:18:25,679 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-01-25 21:18:25,680 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-01-25 21:18:25,682 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-01-25 21:18:25,682 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-01-25 21:18:25,686 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-01-25 21:18:25,686 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 09:18:25" (1/1) ...
[2024-01-25 21:18:25,687 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5224561e 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 21:18:25,688 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 09:18:25" (1/1) ...
[2024-01-25 21:18:25,733 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2024-01-25 21:18:26,106 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-11.i[30241,30254]
[2024-01-25 21:18:26,139 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2024-01-25 21:18:26,152 INFO  L202         MainTranslator]: Completed pre-run
[2024-01-25 21:18:26,207 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-11.i[30241,30254]
[2024-01-25 21:18:26,211 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2024-01-25 21:18:26,270 INFO  L206         MainTranslator]: Completed translation
[2024-01-25 21:18:26,270 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:26 WrapperNode
[2024-01-25 21:18:26,270 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-01-25 21:18:26,271 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-01-25 21:18:26,271 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-01-25 21:18:26,272 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-01-25 21:18:26,276 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:26" (1/1) ...
[2024-01-25 21:18:26,310 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:26" (1/1) ...
[2024-01-25 21:18:26,345 INFO  L138                Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74
[2024-01-25 21:18:26,345 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-01-25 21:18:26,346 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-01-25 21:18:26,346 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-01-25 21:18:26,346 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-01-25 21:18:26,351 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:26" (1/1) ...
[2024-01-25 21:18:26,351 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:26" (1/1) ...
[2024-01-25 21:18:26,356 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:26" (1/1) ...
[2024-01-25 21:18:26,356 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:26" (1/1) ...
[2024-01-25 21:18:26,368 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:26" (1/1) ...
[2024-01-25 21:18:26,373 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:26" (1/1) ...
[2024-01-25 21:18:26,377 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:26" (1/1) ...
[2024-01-25 21:18:26,377 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:26" (1/1) ...
[2024-01-25 21:18:26,379 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-01-25 21:18:26,380 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-01-25 21:18:26,380 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-01-25 21:18:26,380 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-01-25 21:18:26,380 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:26" (1/1) ...
[2024-01-25 21:18:26,404 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-01-25 21:18:26,412 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-25 21:18:26,434 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 21:18:26,450 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 21:18:26,455 INFO  L130     BoogieDeclarations]: Found specification of procedure t1
[2024-01-25 21:18:26,455 INFO  L138     BoogieDeclarations]: Found implementation of procedure t1
[2024-01-25 21:18:26,455 INFO  L130     BoogieDeclarations]: Found specification of procedure t2
[2024-01-25 21:18:26,455 INFO  L138     BoogieDeclarations]: Found implementation of procedure t2
[2024-01-25 21:18:26,455 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-01-25 21:18:26,455 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-01-25 21:18:26,455 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-01-25 21:18:26,455 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-01-25 21:18:26,456 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-01-25 21:18:26,456 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-01-25 21:18:26,468 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-01-25 21:18:26,468 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-01-25 21:18:26,468 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-01-25 21:18:26,469 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 21:18:26,584 INFO  L241             CfgBuilder]: Building ICFG
[2024-01-25 21:18:26,585 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-01-25 21:18:26,718 INFO  L282             CfgBuilder]: Performing block encoding
[2024-01-25 21:18:26,725 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-01-25 21:18:26,725 INFO  L309             CfgBuilder]: Removed 3 assume(true) statements.
[2024-01-25 21:18:26,726 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 09:18:26 BoogieIcfgContainer
[2024-01-25 21:18:26,726 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-01-25 21:18:26,727 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-01-25 21:18:26,727 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-01-25 21:18:26,729 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-01-25 21:18:26,729 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.01 09:18:25" (1/3) ...
[2024-01-25 21:18:26,730 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a1907e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 09:18:26, skipping insertion in model container
[2024-01-25 21:18:26,730 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:26" (2/3) ...
[2024-01-25 21:18:26,730 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a1907e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 09:18:26, skipping insertion in model container
[2024-01-25 21:18:26,730 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 09:18:26" (3/3) ...
[2024-01-25 21:18:26,731 INFO  L112   eAbstractionObserver]: Analyzing ICFG fib_safe-11.i
[2024-01-25 21:18:26,737 WARN  L146   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-01-25 21:18:26,744 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-01-25 21:18:26,745 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-01-25 21:18:26,745 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-01-25 21:18:26,780 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-01-25 21:18:26,807 INFO  L103   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-01-25 21:18:26,808 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-01-25 21:18:26,808 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-25 21:18:26,810 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 21:18:26,817 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 21:18:26,858 INFO  L166   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-01-25 21:18:26,867 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ========
[2024-01-25 21:18:26,873 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;@6532f705, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-01-25 21:18:26,874 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 21:18:27,527 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-25 21:18:27,531 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-01-25 21:18:27,531 INFO  L85        PathProgramCache]: Analyzing trace with hash -544627393, now seen corresponding path program 1 times
[2024-01-25 21:18:27,536 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-25 21:18:27,536 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353340655]
[2024-01-25 21:18:27,537 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-25 21:18:27,537 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-25 21:18:27,633 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-25 21:18:27,852 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 21:18:27,853 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-25 21:18:27,853 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353340655]
[2024-01-25 21:18:27,853 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353340655] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-25 21:18:27,854 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778850151]
[2024-01-25 21:18:27,854 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-25 21:18:27,854 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-25 21:18:27,854 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-25 21:18:27,905 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 21:18:27,906 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 21:18:27,983 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-25 21:18:27,984 INFO  L262         TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 4 conjunts are in the unsatisfiable core
[2024-01-25 21:18:27,989 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-01-25 21:18:28,045 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 21:18:28,045 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-01-25 21:18:28,094 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 21:18:28,094 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [778850151] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-25 21:18:28,094 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-25 21:18:28,095 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10
[2024-01-25 21:18:28,096 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783222839]
[2024-01-25 21:18:28,096 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-25 21:18:28,103 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-01-25 21:18:28,103 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-25 21:18:28,121 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-01-25 21:18:28,121 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2024-01-25 21:18:28,122 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-25 21:18:28,123 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-25 21:18:28,124 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 21:18:28,124 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 21:18:28,200 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-01-25 21:18:28,212 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 21:18:28,405 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 21:18:28,405 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-25 21:18:28,406 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-01-25 21:18:28,406 INFO  L85        PathProgramCache]: Analyzing trace with hash -1061843560, now seen corresponding path program 2 times
[2024-01-25 21:18:28,406 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-25 21:18:28,406 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322861300]
[2024-01-25 21:18:28,406 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-25 21:18:28,406 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-25 21:18:28,432 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-25 21:18:28,652 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 21:18:28,652 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-25 21:18:28,652 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322861300]
[2024-01-25 21:18:28,652 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322861300] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-25 21:18:28,652 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923120530]
[2024-01-25 21:18:28,653 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-01-25 21:18:28,653 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-25 21:18:28,653 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-25 21:18:28,657 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 21:18:28,660 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 21:18:28,730 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-01-25 21:18:28,730 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-25 21:18:28,731 INFO  L262         TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 10 conjunts are in the unsatisfiable core
[2024-01-25 21:18:28,733 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-01-25 21:18:28,778 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 21:18:28,778 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-01-25 21:18:28,941 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 21:18:28,942 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923120530] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-25 21:18:28,942 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-25 21:18:28,942 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22
[2024-01-25 21:18:28,942 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773094291]
[2024-01-25 21:18:28,942 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-25 21:18:28,944 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 22 states
[2024-01-25 21:18:28,944 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-25 21:18:28,944 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2024-01-25 21:18:28,945 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=330, Unknown=0, NotChecked=0, Total=462
[2024-01-25 21:18:28,945 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-25 21:18:28,945 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-25 21:18:28,946 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 21:18:28,946 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2024-01-25 21:18:28,946 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 21:18:29,153 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-01-25 21:18:29,153 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2024-01-25 21:18:29,168 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 21:18:29,358 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 21:18:29,358 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-25 21:18:29,359 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-01-25 21:18:29,359 INFO  L85        PathProgramCache]: Analyzing trace with hash 160559096, now seen corresponding path program 3 times
[2024-01-25 21:18:29,359 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-25 21:18:29,359 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400357922]
[2024-01-25 21:18:29,359 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-25 21:18:29,359 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-25 21:18:29,383 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-25 21:18:29,758 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 21:18:29,759 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-25 21:18:29,759 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400357922]
[2024-01-25 21:18:29,762 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400357922] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-25 21:18:29,762 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066536943]
[2024-01-25 21:18:29,762 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-01-25 21:18:29,762 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-25 21:18:29,762 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-25 21:18:29,778 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 21:18:29,807 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 21:18:29,863 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s)
[2024-01-25 21:18:29,863 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-25 21:18:29,864 INFO  L262         TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 22 conjunts are in the unsatisfiable core
[2024-01-25 21:18:29,868 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-01-25 21:18:29,968 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 21:18:29,968 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-01-25 21:18:30,423 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 21:18:30,423 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066536943] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-25 21:18:30,424 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-25 21:18:30,424 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 46
[2024-01-25 21:18:30,424 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450837265]
[2024-01-25 21:18:30,424 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-25 21:18:30,425 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 46 states
[2024-01-25 21:18:30,425 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-25 21:18:30,425 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants.
[2024-01-25 21:18:30,426 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=552, Invalid=1518, Unknown=0, NotChecked=0, Total=2070
[2024-01-25 21:18:30,426 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-25 21:18:30,426 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-25 21:18:30,427 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 21:18:30,427 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2024-01-25 21:18:30,427 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2024-01-25 21:18:30,427 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 21:18:31,216 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-01-25 21:18:31,216 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2024-01-25 21:18:31,216 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2024-01-25 21:18:31,235 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-01-25 21:18:31,421 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 21:18:31,422 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-25 21:18:31,422 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-01-25 21:18:31,422 INFO  L85        PathProgramCache]: Analyzing trace with hash 1640877240, now seen corresponding path program 4 times
[2024-01-25 21:18:31,422 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-25 21:18:31,422 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301574938]
[2024-01-25 21:18:31,422 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-25 21:18:31,422 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-25 21:18:31,476 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-25 21:18:32,929 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 21:18:32,930 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-25 21:18:32,930 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301574938]
[2024-01-25 21:18:32,930 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301574938] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-25 21:18:32,930 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226290159]
[2024-01-25 21:18:32,930 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-01-25 21:18:32,930 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-25 21:18:32,930 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-25 21:18:32,931 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 21:18:32,956 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 21:18:33,046 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-01-25 21:18:33,046 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-25 21:18:33,048 INFO  L262         TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 46 conjunts are in the unsatisfiable core
[2024-01-25 21:18:33,060 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-01-25 21:18:33,223 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 21:18:33,223 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-01-25 21:18:33,944 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 21:18:33,944 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226290159] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-25 21:18:33,945 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-25 21:18:33,945 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 51
[2024-01-25 21:18:33,945 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583894288]
[2024-01-25 21:18:33,945 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-25 21:18:33,945 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 51 states
[2024-01-25 21:18:33,946 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-25 21:18:33,946 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants.
[2024-01-25 21:18:33,947 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=675, Invalid=1875, Unknown=0, NotChecked=0, Total=2550
[2024-01-25 21:18:33,947 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-25 21:18:33,947 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-25 21:18:33,947 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 51 states, 51 states have (on average 4.313725490196078) internal successors, (220), 51 states have internal predecessors, (220), 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 21:18:33,947 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2024-01-25 21:18:33,947 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2024-01-25 21:18:33,947 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. 
[2024-01-25 21:18:33,948 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 21:18:34,838 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-01-25 21:18:34,838 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2024-01-25 21:18:34,838 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2024-01-25 21:18:34,838 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. 
[2024-01-25 21:18:34,860 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-01-25 21:18:35,043 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 21:18:35,043 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-25 21:18:35,044 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-01-25 21:18:35,044 INFO  L85        PathProgramCache]: Analyzing trace with hash 93649855, now seen corresponding path program 5 times
[2024-01-25 21:18:35,044 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-25 21:18:35,044 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903861108]
[2024-01-25 21:18:35,044 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-25 21:18:35,044 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-25 21:18:35,094 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-25 21:18:36,284 INFO  L134       CoverageAnalysis]: Checked inductivity of 2125 backedges. 1986 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:36,285 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-25 21:18:36,288 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903861108]
[2024-01-25 21:18:36,288 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903861108] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-25 21:18:36,288 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638987075]
[2024-01-25 21:18:36,288 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-01-25 21:18:36,288 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-25 21:18:36,288 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-25 21:18:36,296 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 21:18:36,311 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 21:18:36,409 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s)
[2024-01-25 21:18:36,409 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-25 21:18:36,411 INFO  L262         TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 50 conjunts are in the unsatisfiable core
[2024-01-25 21:18:36,414 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-01-25 21:18:36,585 INFO  L134       CoverageAnalysis]: Checked inductivity of 2125 backedges. 2125 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:36,585 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-01-25 21:18:36,585 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [638987075] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-25 21:18:36,585 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-01-25 21:18:36,585 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [51] total 53
[2024-01-25 21:18:36,585 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497794321]
[2024-01-25 21:18:36,585 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-25 21:18:36,586 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 51 states
[2024-01-25 21:18:36,586 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-25 21:18:36,587 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants.
[2024-01-25 21:18:36,588 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=681, Invalid=2075, Unknown=0, NotChecked=0, Total=2756
[2024-01-25 21:18:36,588 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-25 21:18:36,588 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-25 21:18:36,588 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 51 states, 51 states have (on average 4.411764705882353) internal successors, (225), 51 states have internal predecessors, (225), 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 21:18:36,588 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2024-01-25 21:18:36,588 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2024-01-25 21:18:36,588 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. 
[2024-01-25 21:18:36,588 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. 
[2024-01-25 21:18:36,588 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 21:18:37,683 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-01-25 21:18:37,683 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2024-01-25 21:18:37,683 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2024-01-25 21:18:37,683 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. 
[2024-01-25 21:18:37,683 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2024-01-25 21:18:37,702 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 21:18:37,888 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 21:18:37,888 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-25 21:18:37,889 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-01-25 21:18:37,889 INFO  L85        PathProgramCache]: Analyzing trace with hash 1143964376, now seen corresponding path program 6 times
[2024-01-25 21:18:37,889 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-25 21:18:37,889 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116282419]
[2024-01-25 21:18:37,889 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-25 21:18:37,889 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-25 21:18:37,983 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-25 21:18:42,154 INFO  L134       CoverageAnalysis]: Checked inductivity of 1956 backedges. 0 proven. 1956 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:42,154 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-25 21:18:42,154 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116282419]
[2024-01-25 21:18:42,154 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116282419] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-25 21:18:42,155 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615744916]
[2024-01-25 21:18:42,155 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2024-01-25 21:18:42,155 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-25 21:18:42,155 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-25 21:18:42,164 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 21:18:42,166 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 21:18:42,279 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s)
[2024-01-25 21:18:42,279 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-25 21:18:42,281 INFO  L262         TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 84 conjunts are in the unsatisfiable core
[2024-01-25 21:18:42,285 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-01-25 21:18:49,083 INFO  L134       CoverageAnalysis]: Checked inductivity of 1956 backedges. 1661 proven. 295 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:49,083 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-01-25 21:18:57,008 INFO  L134       CoverageAnalysis]: Checked inductivity of 1956 backedges. 0 proven. 1956 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:57,009 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [615744916] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-25 21:18:57,009 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-25 21:18:57,009 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 81, 81] total 237
[2024-01-25 21:18:57,009 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249009474]
[2024-01-25 21:18:57,009 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-25 21:18:57,010 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 237 states
[2024-01-25 21:18:57,010 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-25 21:18:57,011 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 237 interpolants.
[2024-01-25 21:18:57,030 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3179, Invalid=52753, Unknown=0, NotChecked=0, Total=55932
[2024-01-25 21:18:57,030 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-25 21:18:57,031 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-25 21:18:57,031 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 237 states, 237 states have (on average 2.6582278481012658) internal successors, (630), 237 states have internal predecessors, (630), 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 21:18:57,031 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2024-01-25 21:18:57,032 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2024-01-25 21:18:57,032 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. 
[2024-01-25 21:18:57,032 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. 
[2024-01-25 21:18:57,032 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2024-01-25 21:18:57,032 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
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Received shutdown request...
[2024-01-25 21:32:58,755 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 21:32:58,755 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 21:32:58,788 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 21:32:59,164 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 21:32:59,362 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 21:32:59,364 WARN  L619      AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction.
[2024-01-25 21:32:59,366 INFO  L805   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-01-25 21:32:59,402 INFO  L445         BasicCegarLoop]: Path program histogram: [6]
[2024-01-25 21:32:59,404 INFO  L308   ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/3)
[2024-01-25 21:32:59,405 INFO  L229   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-01-25 21:32:59,405 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2024-01-25 21:32:59,406 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.01 09:32:59 BasicIcfg
[2024-01-25 21:32:59,406 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-01-25 21:32:59,407 INFO  L158              Benchmark]: Toolchain (without parser) took 873726.61ms. Allocated memory was 317.7MB in the beginning and 683.7MB in the end (delta: 366.0MB). Free memory was 259.6MB in the beginning and 250.4MB in the end (delta: 9.2MB). Peak memory consumption was 506.7MB. Max. memory is 8.0GB.
[2024-01-25 21:32:59,407 INFO  L158              Benchmark]: CDTParser took 0.11ms. Allocated memory is still 204.5MB. Free memory is still 151.3MB. There was no memory consumed. Max. memory is 8.0GB.
[2024-01-25 21:32:59,407 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 588.15ms. Allocated memory is still 317.7MB. Free memory was 259.6MB in the beginning and 239.7MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB.
[2024-01-25 21:32:59,407 INFO  L158              Benchmark]: Boogie Procedure Inliner took 74.01ms. Allocated memory is still 317.7MB. Free memory was 239.1MB in the beginning and 237.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2024-01-25 21:32:59,407 INFO  L158              Benchmark]: Boogie Preprocessor took 33.22ms. Allocated memory is still 317.7MB. Free memory was 237.6MB in the beginning and 236.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2024-01-25 21:32:59,408 INFO  L158              Benchmark]: RCFGBuilder took 346.30ms. Allocated memory is still 317.7MB. Free memory was 236.0MB in the beginning and 221.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB.
[2024-01-25 21:32:59,408 INFO  L158              Benchmark]: TraceAbstraction took 872679.27ms. Allocated memory was 317.7MB in the beginning and 683.7MB in the end (delta: 366.0MB). Free memory was 220.3MB in the beginning and 250.4MB in the end (delta: -30.1MB). Peak memory consumption was 468.0MB. Max. memory is 8.0GB.
[2024-01-25 21:32:59,409 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 204.5MB. Free memory is still 151.3MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 588.15ms. Allocated memory is still 317.7MB. Free memory was 259.6MB in the beginning and 239.7MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 74.01ms. Allocated memory is still 317.7MB. Free memory was 239.1MB in the beginning and 237.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 33.22ms. Allocated memory is still 317.7MB. Free memory was 237.6MB in the beginning and 236.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
 * RCFGBuilder took 346.30ms. Allocated memory is still 317.7MB. Free memory was 236.0MB in the beginning and 221.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB.
 * TraceAbstraction took 872679.27ms. Allocated memory was 317.7MB in the beginning and 683.7MB in the end (delta: 366.0MB). Free memory was 220.3MB in the beginning and 250.4MB in the end (delta: -30.1MB). Peak memory consumption was 468.0MB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation #1 benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32840, independent: 30855, independent conditional: 30855, independent unconditional: 0, dependent: 1985, dependent conditional: 1985, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30936, independent: 30855, independent conditional: 30855, independent unconditional: 0, dependent: 81, dependent conditional: 81, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 30936, independent: 30855, independent conditional: 30855, independent unconditional: 0, dependent: 81, dependent conditional: 81, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31386, independent: 30855, independent conditional: 0, independent unconditional: 30855, dependent: 531, dependent conditional: 450, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 31386, independent: 30855, independent conditional: 0, independent unconditional: 30855, dependent: 531, dependent conditional: 0, dependent unconditional: 531, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31386, independent: 30855, independent conditional: 0, independent unconditional: 30855, dependent: 531, dependent conditional: 0, dependent unconditional: 531, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 30936, independent: 30855, independent conditional: 0, independent unconditional: 30855, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 30936, independent: 30855, independent conditional: 0, independent unconditional: 30855, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 81, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 81, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 81, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 97, dependent conditional: 0, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 31386, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 450, dependent conditional: 0, dependent unconditional: 450, unknown: 30936, unknown conditional: 0, unknown unconditional: 30936] , Statistics on independence cache: Total cache size (in pairs): 30936, Positive cache size: 30855, Positive conditional cache size: 0, Positive unconditional cache size: 30855, Negative cache size: 81, Negative conditional cache size: 0, Negative unconditional cache size: 81, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 450, Maximal queried relation: 6, Independence queries for same thread: 1904
  - StatisticsResult: Proof manager benchmarks
    IrresponsibleProofs: 18, RedundantProofs: 4, ProvenStates: 1785, Times there's more than one choice: 1782, Avg number of choices: 5.991596638655462
  - 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: 872.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 845.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 344, 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, 24.3s InterpolantComputationTime, 1804 NumberOfCodeBlocks, 1804 NumberOfCodeBlocksAsserted, 73 NumberOfCheckSat, 2464 ConstructedInterpolants, 0 QuantifiedInterpolants, 13007 SizeOfPredicates, 200 NumberOfNonLiveVariables, 1836 ConjunctsInSsa, 216 ConjunctsInUnsatCore, 17 InterpolantComputations, 1 PerfectInterpolantSequences, 5772/16151 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