/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-66.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-19 09:58:18,984 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-19 09:58:19,040 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2023-12-19 09:58:19,044 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-19 09:58:19,044 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-19 09:58:19,061 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-19 09:58:19,061 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-19 09:58:19,062 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-19 09:58:19,062 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-19 09:58:19,062 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-19 09:58:19,063 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-19 09:58:19,063 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-19 09:58:19,063 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-19 09:58:19,063 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-19 09:58:19,064 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-19 09:58:19,064 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-19 09:58:19,064 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-19 09:58:19,064 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-19 09:58:19,065 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-19 09:58:19,065 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-19 09:58:19,065 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-19 09:58:19,065 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-19 09:58:19,066 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-19 09:58:19,066 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-19 09:58:19,066 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-19 09:58:19,066 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-19 09:58:19,066 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-19 09:58:19,067 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-19 09:58:19,067 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-19 09:58:19,067 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-19 09:58:19,067 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-19 09:58:19,067 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-19 09:58:19,068 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-19 09:58:19,068 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-19 09:58:19,068 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-19 09:58:19,068 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-19 09:58:19,068 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-12-19 09:58:19,068 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-19 09:58:19,069 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-19 09:58:19,069 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-19 09:58:19,069 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-19 09:58:19,069 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-19 09:58:19,070 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-19 09:58:19,070 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true
[2023-12-19 09:58:19,264 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-19 09:58:19,285 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-19 09:58:19,286 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-19 09:58:19,287 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-19 09:58:19,287 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-19 09:58:19,288 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-66.i
[2023-12-19 09:58:20,311 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-19 09:58:20,511 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-19 09:58:20,511 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-66.i
[2023-12-19 09:58:20,518 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b04347ef2/dad6b9fa3c064c9ea00fac77dade3020/FLAG296a432ba
[2023-12-19 09:58:20,528 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b04347ef2/dad6b9fa3c064c9ea00fac77dade3020
[2023-12-19 09:58:20,529 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-19 09:58:20,530 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-19 09:58:20,531 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-19 09:58:20,531 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-19 09:58:20,540 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-19 09:58:20,540 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 09:58:20" (1/1) ...
[2023-12-19 09:58:20,541 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ea74d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:58:20, skipping insertion in model container
[2023-12-19 09:58:20,541 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 09:58:20" (1/1) ...
[2023-12-19 09:58:20,574 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-19 09:58:20,688 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-66.i[919,932]
[2023-12-19 09:58:20,741 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-19 09:58:20,752 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-19 09:58:20,760 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-66.i[919,932]
[2023-12-19 09:58:20,787 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-19 09:58:20,799 INFO  L206         MainTranslator]: Completed translation
[2023-12-19 09:58:20,799 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:58:20 WrapperNode
[2023-12-19 09:58:20,799 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-19 09:58:20,800 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-19 09:58:20,800 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-19 09:58:20,800 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-19 09:58:20,804 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:58:20" (1/1) ...
[2023-12-19 09:58:20,820 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:58:20" (1/1) ...
[2023-12-19 09:58:20,856 INFO  L138                Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 253
[2023-12-19 09:58:20,856 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-19 09:58:20,857 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-19 09:58:20,857 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-19 09:58:20,857 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-19 09:58:20,868 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:58:20" (1/1) ...
[2023-12-19 09:58:20,872 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:58:20" (1/1) ...
[2023-12-19 09:58:20,875 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:58:20" (1/1) ...
[2023-12-19 09:58:20,899 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2023-12-19 09:58:20,899 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:58:20" (1/1) ...
[2023-12-19 09:58:20,899 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:58:20" (1/1) ...
[2023-12-19 09:58:20,906 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:58:20" (1/1) ...
[2023-12-19 09:58:20,909 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:58:20" (1/1) ...
[2023-12-19 09:58:20,910 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:58:20" (1/1) ...
[2023-12-19 09:58:20,911 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:58:20" (1/1) ...
[2023-12-19 09:58:20,914 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-19 09:58:20,915 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-19 09:58:20,915 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-19 09:58:20,915 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-19 09:58:20,916 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:58:20" (1/1) ...
[2023-12-19 09:58:20,919 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-19 09:58:20,940 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 09:58:20,950 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-12-19 09:58:20,964 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-12-19 09:58:20,974 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-19 09:58:20,974 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-19 09:58:20,974 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-19 09:58:20,975 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-12-19 09:58:20,975 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-19 09:58:20,975 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-19 09:58:21,041 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-19 09:58:21,043 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-19 09:58:21,342 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-19 09:58:21,396 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-19 09:58:21,397 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-19 09:58:21,397 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 09:58:21 BoogieIcfgContainer
[2023-12-19 09:58:21,397 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-19 09:58:21,398 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-19 09:58:21,399 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-19 09:58:21,401 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-19 09:58:21,401 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 09:58:20" (1/3) ...
[2023-12-19 09:58:21,401 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5710b85e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 09:58:21, skipping insertion in model container
[2023-12-19 09:58:21,402 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:58:20" (2/3) ...
[2023-12-19 09:58:21,402 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5710b85e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 09:58:21, skipping insertion in model container
[2023-12-19 09:58:21,402 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 09:58:21" (3/3) ...
[2023-12-19 09:58:21,403 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-66.i
[2023-12-19 09:58:21,415 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-19 09:58:21,416 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-19 09:58:21,456 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-19 09:58:21,461 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@6960fe01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-19 09:58:21,462 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-19 09:58:21,466 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 109 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 63 states have internal predecessors, (90), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44)
[2023-12-19 09:58:21,478 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 268
[2023-12-19 09:58:21,478 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 09:58:21,479 INFO  L195           NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-19 09:58:21,479 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 09:58:21,485 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 09:58:21,485 INFO  L85        PathProgramCache]: Analyzing trace with hash 1360282986, now seen corresponding path program 1 times
[2023-12-19 09:58:21,492 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 09:58:21,492 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991248171]
[2023-12-19 09:58:21,493 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 09:58:21,493 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 09:58:21,640 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 09:58:21,771 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-19 09:58:21,771 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991248171]
[2023-12-19 09:58:21,771 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic
[2023-12-19 09:58:21,772 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715456838]
[2023-12-19 09:58:21,772 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 09:58:21,772 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 09:58:21,772 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 09:58:21,776 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-12-19 09:58:21,780 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-12-19 09:58:21,953 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 09:58:21,959 INFO  L262         TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-19 09:58:21,974 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-19 09:58:22,014 INFO  L134       CoverageAnalysis]: Checked inductivity of 3784 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 3698 trivial. 0 not checked.
[2023-12-19 09:58:22,014 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-19 09:58:22,015 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715456838] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-19 09:58:22,015 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-19 09:58:22,015 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-19 09:58:22,017 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407097656]
[2023-12-19 09:58:22,017 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-19 09:58:22,020 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-19 09:58:22,021 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-19 09:58:22,040 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-19 09:58:22,040 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-19 09:58:22,042 INFO  L87              Difference]: Start difference. First operand  has 109 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 63 states have internal predecessors, (90), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand  has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44)
[2023-12-19 09:58:22,089 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-19 09:58:22,089 INFO  L93              Difference]: Finished difference Result 215 states and 398 transitions.
[2023-12-19 09:58:22,091 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-19 09:58:22,092 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) Word has length 267
[2023-12-19 09:58:22,093 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-19 09:58:22,099 INFO  L225             Difference]: With dead ends: 215
[2023-12-19 09:58:22,099 INFO  L226             Difference]: Without dead ends: 107
[2023-12-19 09:58:22,103 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-19 09:58:22,106 INFO  L413           NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-19 09:58:22,106 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-19 09:58:22,118 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 107 states.
[2023-12-19 09:58:22,141 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107.
[2023-12-19 09:58:22,142 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 107 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 61 states have internal predecessors, (85), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44)
[2023-12-19 09:58:22,145 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 173 transitions.
[2023-12-19 09:58:22,146 INFO  L78                 Accepts]: Start accepts. Automaton has 107 states and 173 transitions. Word has length 267
[2023-12-19 09:58:22,146 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-19 09:58:22,146 INFO  L495      AbstractCegarLoop]: Abstraction has 107 states and 173 transitions.
[2023-12-19 09:58:22,146 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44)
[2023-12-19 09:58:22,146 INFO  L276                IsEmpty]: Start isEmpty. Operand 107 states and 173 transitions.
[2023-12-19 09:58:22,150 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 268
[2023-12-19 09:58:22,150 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 09:58:22,150 INFO  L195           NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-19 09:58:22,162 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2023-12-19 09:58:22,360 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2023-12-19 09:58:22,361 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 09:58:22,361 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 09:58:22,361 INFO  L85        PathProgramCache]: Analyzing trace with hash -349916634, now seen corresponding path program 1 times
[2023-12-19 09:58:22,362 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 09:58:22,362 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780647863]
[2023-12-19 09:58:22,362 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 09:58:22,362 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 09:58:22,428 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-19 09:58:22,429 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1086848953]
[2023-12-19 09:58:22,429 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 09:58:22,429 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 09:58:22,429 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 09:58:22,430 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-12-19 09:58:22,440 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-12-19 09:58:22,573 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 09:58:22,575 INFO  L262         TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-19 09:58:22,581 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-19 09:58:22,678 INFO  L134       CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked.
[2023-12-19 09:58:22,678 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-19 09:58:22,678 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-19 09:58:22,678 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780647863]
[2023-12-19 09:58:22,678 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-19 09:58:22,678 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086848953]
[2023-12-19 09:58:22,678 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086848953] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-19 09:58:22,679 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-19 09:58:22,679 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-19 09:58:22,679 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263982814]
[2023-12-19 09:58:22,679 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-19 09:58:22,682 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-19 09:58:22,683 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-19 09:58:22,684 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-19 09:58:22,684 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-19 09:58:22,685 INFO  L87              Difference]: Start difference. First operand 107 states and 173 transitions. Second operand  has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44)
[2023-12-19 09:58:22,786 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-19 09:58:22,787 INFO  L93              Difference]: Finished difference Result 318 states and 515 transitions.
[2023-12-19 09:58:22,787 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-19 09:58:22,787 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 267
[2023-12-19 09:58:22,791 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-19 09:58:22,793 INFO  L225             Difference]: With dead ends: 318
[2023-12-19 09:58:22,793 INFO  L226             Difference]: Without dead ends: 212
[2023-12-19 09:58:22,794 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-19 09:58:22,795 INFO  L413           NwaCegarLoop]: 311 mSDtfsCounter, 162 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-19 09:58:22,795 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 470 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-19 09:58:22,796 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 212 states.
[2023-12-19 09:58:22,827 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 210.
[2023-12-19 09:58:22,828 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 210 states, 119 states have (on average 1.3529411764705883) internal successors, (161), 119 states have internal predecessors, (161), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88)
[2023-12-19 09:58:22,830 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 337 transitions.
[2023-12-19 09:58:22,830 INFO  L78                 Accepts]: Start accepts. Automaton has 210 states and 337 transitions. Word has length 267
[2023-12-19 09:58:22,831 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-19 09:58:22,831 INFO  L495      AbstractCegarLoop]: Abstraction has 210 states and 337 transitions.
[2023-12-19 09:58:22,831 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44)
[2023-12-19 09:58:22,831 INFO  L276                IsEmpty]: Start isEmpty. Operand 210 states and 337 transitions.
[2023-12-19 09:58:22,834 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 268
[2023-12-19 09:58:22,834 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 09:58:22,834 INFO  L195           NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-19 09:58:22,842 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-12-19 09:58:23,041 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1
[2023-12-19 09:58:23,041 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 09:58:23,042 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 09:58:23,042 INFO  L85        PathProgramCache]: Analyzing trace with hash 1425090728, now seen corresponding path program 1 times
[2023-12-19 09:58:23,042 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 09:58:23,042 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181121093]
[2023-12-19 09:58:23,042 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 09:58:23,042 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 09:58:23,099 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-19 09:58:23,101 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2025877533]
[2023-12-19 09:58:23,101 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 09:58:23,101 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 09:58:23,101 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 09:58:23,104 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-12-19 09:58:23,107 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-12-19 09:58:23,240 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 09:58:23,243 INFO  L262         TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-12-19 09:58:23,252 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-19 09:58:23,936 INFO  L134       CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked.
[2023-12-19 09:58:23,936 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-19 09:58:23,936 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-19 09:58:23,936 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181121093]
[2023-12-19 09:58:23,937 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-19 09:58:23,937 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025877533]
[2023-12-19 09:58:23,937 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025877533] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-19 09:58:23,937 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-19 09:58:23,937 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-19 09:58:23,937 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182717357]
[2023-12-19 09:58:23,937 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-19 09:58:23,939 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-19 09:58:23,939 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-19 09:58:23,940 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-19 09:58:23,940 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-12-19 09:58:23,940 INFO  L87              Difference]: Start difference. First operand 210 states and 337 transitions. Second operand  has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44)
[2023-12-19 09:58:24,193 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-19 09:58:24,194 INFO  L93              Difference]: Finished difference Result 642 states and 1019 transitions.
[2023-12-19 09:58:24,195 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-19 09:58:24,195 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 267
[2023-12-19 09:58:24,197 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-19 09:58:24,203 INFO  L225             Difference]: With dead ends: 642
[2023-12-19 09:58:24,203 INFO  L226             Difference]: Without dead ends: 433
[2023-12-19 09:58:24,205 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2023-12-19 09:58:24,207 INFO  L413           NwaCegarLoop]: 168 mSDtfsCounter, 58 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-12-19 09:58:24,209 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 469 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-19 09:58:24,212 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 433 states.
[2023-12-19 09:58:24,264 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 428.
[2023-12-19 09:58:24,266 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 428 states, 241 states have (on average 1.3236514522821576) internal successors, (319), 242 states have internal predecessors, (319), 180 states have call successors, (180), 6 states have call predecessors, (180), 6 states have return successors, (180), 179 states have call predecessors, (180), 180 states have call successors, (180)
[2023-12-19 09:58:24,268 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 679 transitions.
[2023-12-19 09:58:24,268 INFO  L78                 Accepts]: Start accepts. Automaton has 428 states and 679 transitions. Word has length 267
[2023-12-19 09:58:24,272 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-19 09:58:24,272 INFO  L495      AbstractCegarLoop]: Abstraction has 428 states and 679 transitions.
[2023-12-19 09:58:24,272 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44)
[2023-12-19 09:58:24,272 INFO  L276                IsEmpty]: Start isEmpty. Operand 428 states and 679 transitions.
[2023-12-19 09:58:24,274 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 268
[2023-12-19 09:58:24,274 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 09:58:24,275 INFO  L195           NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-19 09:58:24,282 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-12-19 09:58:24,481 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 09:58:24,482 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 09:58:24,482 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 09:58:24,482 INFO  L85        PathProgramCache]: Analyzing trace with hash 615744102, now seen corresponding path program 1 times
[2023-12-19 09:58:24,483 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 09:58:24,483 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240182744]
[2023-12-19 09:58:24,483 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 09:58:24,483 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 09:58:24,530 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-19 09:58:24,530 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1713446573]
[2023-12-19 09:58:24,530 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 09:58:24,530 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 09:58:24,530 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 09:58:24,532 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-12-19 09:58:24,552 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-12-19 09:58:24,661 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 09:58:24,663 INFO  L262         TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 7 conjunts are in the unsatisfiable core
[2023-12-19 09:58:24,667 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-19 09:58:25,234 INFO  L134       CoverageAnalysis]: Checked inductivity of 3784 backedges. 675 proven. 117 refuted. 0 times theorem prover too weak. 2992 trivial. 0 not checked.
[2023-12-19 09:58:25,235 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-19 09:58:25,487 INFO  L134       CoverageAnalysis]: Checked inductivity of 3784 backedges. 12 proven. 117 refuted. 0 times theorem prover too weak. 3655 trivial. 0 not checked.
[2023-12-19 09:58:25,487 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-19 09:58:25,487 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240182744]
[2023-12-19 09:58:25,487 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-19 09:58:25,488 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713446573]
[2023-12-19 09:58:25,488 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713446573] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-19 09:58:25,488 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-19 09:58:25,488 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10
[2023-12-19 09:58:25,489 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547297174]
[2023-12-19 09:58:25,489 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-19 09:58:25,489 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-12-19 09:58:25,489 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-19 09:58:25,490 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-12-19 09:58:25,491 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2023-12-19 09:58:25,492 INFO  L87              Difference]: Start difference. First operand 428 states and 679 transitions. Second operand  has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 4 states have call successors, (88), 3 states have call predecessors, (88), 5 states have return successors, (88), 4 states have call predecessors, (88), 4 states have call successors, (88)
[2023-12-19 09:58:26,040 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-19 09:58:26,040 INFO  L93              Difference]: Finished difference Result 944 states and 1468 transitions.
[2023-12-19 09:58:26,041 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2023-12-19 09:58:26,041 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 4 states have call successors, (88), 3 states have call predecessors, (88), 5 states have return successors, (88), 4 states have call predecessors, (88), 4 states have call successors, (88) Word has length 267
[2023-12-19 09:58:26,042 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-19 09:58:26,046 INFO  L225             Difference]: With dead ends: 944
[2023-12-19 09:58:26,046 INFO  L226             Difference]: Without dead ends: 611
[2023-12-19 09:58:26,048 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 536 GetRequests, 524 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182
[2023-12-19 09:58:26,051 INFO  L413           NwaCegarLoop]: 123 mSDtfsCounter, 251 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2023-12-19 09:58:26,052 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 490 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2023-12-19 09:58:26,054 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 611 states.
[2023-12-19 09:58:26,124 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 580.
[2023-12-19 09:58:26,126 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 580 states, 335 states have (on average 1.31044776119403) internal successors, (439), 338 states have internal predecessors, (439), 232 states have call successors, (232), 12 states have call predecessors, (232), 12 states have return successors, (232), 229 states have call predecessors, (232), 232 states have call successors, (232)
[2023-12-19 09:58:26,129 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 903 transitions.
[2023-12-19 09:58:26,130 INFO  L78                 Accepts]: Start accepts. Automaton has 580 states and 903 transitions. Word has length 267
[2023-12-19 09:58:26,130 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-19 09:58:26,130 INFO  L495      AbstractCegarLoop]: Abstraction has 580 states and 903 transitions.
[2023-12-19 09:58:26,131 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 4 states have call successors, (88), 3 states have call predecessors, (88), 5 states have return successors, (88), 4 states have call predecessors, (88), 4 states have call successors, (88)
[2023-12-19 09:58:26,131 INFO  L276                IsEmpty]: Start isEmpty. Operand 580 states and 903 transitions.
[2023-12-19 09:58:26,133 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 268
[2023-12-19 09:58:26,133 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 09:58:26,133 INFO  L195           NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-19 09:58:26,140 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2023-12-19 09:58:26,341 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 09:58:26,341 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 09:58:26,341 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 09:58:26,342 INFO  L85        PathProgramCache]: Analyzing trace with hash -1050981212, now seen corresponding path program 1 times
[2023-12-19 09:58:26,342 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 09:58:26,342 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660809266]
[2023-12-19 09:58:26,342 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 09:58:26,343 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 09:58:26,376 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-19 09:58:26,376 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1033931576]
[2023-12-19 09:58:26,377 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 09:58:26,377 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 09:58:26,377 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 09:58:26,378 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-12-19 09:58:26,400 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2023-12-19 09:58:26,510 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 09:58:26,513 INFO  L262         TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 45 conjunts are in the unsatisfiable core
[2023-12-19 09:58:26,523 INFO  L285         TraceCheckSpWp]: Computing forward predicates...