/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-pr-cn_file-33.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-19 09:10:21,584 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-19 09:10:21,620 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 09:10:21,623 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-19 09:10:21,624 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-19 09:10:21,637 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-19 09:10:21,638 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-19 09:10:21,638 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-19 09:10:21,644 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-19 09:10:21,644 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-19 09:10:21,645 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-19 09:10:21,645 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-19 09:10:21,654 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-19 09:10:21,654 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-19 09:10:21,654 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-19 09:10:21,655 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-19 09:10:21,655 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-19 09:10:21,663 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-19 09:10:21,663 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-19 09:10:21,663 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-19 09:10:21,663 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-19 09:10:21,664 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-19 09:10:21,672 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-19 09:10:21,673 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-19 09:10:21,673 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-19 09:10:21,673 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-19 09:10:21,682 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-19 09:10:21,682 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-19 09:10:21,682 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-19 09:10:21,682 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-19 09:10:21,682 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-19 09:10:21,692 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-19 09:10:21,692 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-19 09:10:21,692 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-19 09:10:21,692 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-19 09:10:21,708 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-19 09:10:21,708 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-12-19 09:10:21,708 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-19 09:10:21,708 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-19 09:10:21,708 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-19 09:10:21,708 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-19 09:10:21,709 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-19 09:10:21,709 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-19 09:10:21,709 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true
[2023-12-19 09:10:21,880 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-19 09:10:21,899 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-19 09:10:21,901 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-19 09:10:21,902 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-19 09:10:21,916 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-19 09:10:21,917 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-33.i
[2023-12-19 09:10:23,160 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-19 09:10:23,291 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-19 09:10:23,292 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-33.i
[2023-12-19 09:10:23,298 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfe8c39fc/5cb59ca1cd314e9da224952d8abbebf7/FLAGf364cb9e0
[2023-12-19 09:10:23,321 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfe8c39fc/5cb59ca1cd314e9da224952d8abbebf7
[2023-12-19 09:10:23,324 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-19 09:10:23,324 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-19 09:10:23,326 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-19 09:10:23,327 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-19 09:10:23,330 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-19 09:10:23,330 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 09:10:23" (1/1) ...
[2023-12-19 09:10:23,348 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d7224c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:10:23, skipping insertion in model container
[2023-12-19 09:10:23,348 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 09:10:23" (1/1) ...
[2023-12-19 09:10:23,391 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-19 09:10:23,549 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-pr-cn_file-33.i[919,932]
[2023-12-19 09:10:23,622 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-19 09:10:23,642 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-19 09:10:23,649 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-pr-cn_file-33.i[919,932]
[2023-12-19 09:10:23,676 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-19 09:10:23,695 INFO  L206         MainTranslator]: Completed translation
[2023-12-19 09:10:23,695 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:10:23 WrapperNode
[2023-12-19 09:10:23,695 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-19 09:10:23,704 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-19 09:10:23,712 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-19 09:10:23,712 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-19 09:10:23,717 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:10:23" (1/1) ...
[2023-12-19 09:10:23,735 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:10:23" (1/1) ...
[2023-12-19 09:10:23,774 INFO  L138                Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 252
[2023-12-19 09:10:23,774 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-19 09:10:23,775 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-19 09:10:23,775 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-19 09:10:23,775 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-19 09:10:23,785 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:10:23" (1/1) ...
[2023-12-19 09:10:23,786 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:10:23" (1/1) ...
[2023-12-19 09:10:23,792 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:10:23" (1/1) ...
[2023-12-19 09:10:23,811 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 09:10:23,811 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:10:23" (1/1) ...
[2023-12-19 09:10:23,812 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:10:23" (1/1) ...
[2023-12-19 09:10:23,826 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:10:23" (1/1) ...
[2023-12-19 09:10:23,838 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:10:23" (1/1) ...
[2023-12-19 09:10:23,843 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:10:23" (1/1) ...
[2023-12-19 09:10:23,845 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:10:23" (1/1) ...
[2023-12-19 09:10:23,859 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-19 09:10:23,860 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-19 09:10:23,860 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-19 09:10:23,860 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-19 09:10:23,861 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:10:23" (1/1) ...
[2023-12-19 09:10:23,865 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-19 09:10:23,875 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 09:10:23,914 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 09:10:23,938 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 09:10:23,948 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-19 09:10:23,949 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-19 09:10:23,950 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-19 09:10:23,950 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-12-19 09:10:23,950 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-19 09:10:23,950 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-19 09:10:24,060 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-19 09:10:24,062 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-19 09:10:24,459 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-19 09:10:24,493 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-19 09:10:24,493 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-19 09:10:24,494 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 09:10:24 BoogieIcfgContainer
[2023-12-19 09:10:24,494 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-19 09:10:24,496 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-19 09:10:24,496 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-19 09:10:24,498 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-19 09:10:24,498 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 09:10:23" (1/3) ...
[2023-12-19 09:10:24,499 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ed310e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 09:10:24, skipping insertion in model container
[2023-12-19 09:10:24,499 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:10:23" (2/3) ...
[2023-12-19 09:10:24,499 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ed310e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 09:10:24, skipping insertion in model container
[2023-12-19 09:10:24,500 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 09:10:24" (3/3) ...
[2023-12-19 09:10:24,501 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-cn_file-33.i
[2023-12-19 09:10:24,514 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-19 09:10:24,514 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-19 09:10:24,552 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-19 09:10:24,557 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;@721caf94, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-19 09:10:24,600 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-19 09:10:24,605 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 105 states, 60 states have (on average 1.45) internal successors, (87), 61 states have internal predecessors, (87), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42)
[2023-12-19 09:10:24,674 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 255
[2023-12-19 09:10:24,674 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 09:10:24,675 INFO  L195           NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:24,699 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 09:10:24,703 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 09:10:24,720 INFO  L85        PathProgramCache]: Analyzing trace with hash 589044676, now seen corresponding path program 1 times
[2023-12-19 09:10:24,727 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 09:10:24,728 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323996177]
[2023-12-19 09:10:24,728 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 09:10:24,728 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 09:10:24,839 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 09:10:24,902 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-19 09:10:24,903 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323996177]
[2023-12-19 09:10:24,903 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic
[2023-12-19 09:10:24,903 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676947093]
[2023-12-19 09:10:24,904 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 09:10:24,904 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 09:10:24,904 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 09:10:24,913 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 09:10:24,918 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 09:10:25,102 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 09:10:25,106 INFO  L262         TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-19 09:10:25,114 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-19 09:10:25,148 INFO  L134       CoverageAnalysis]: Checked inductivity of 3444 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 3362 trivial. 0 not checked.
[2023-12-19 09:10:25,149 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-19 09:10:25,149 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676947093] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-19 09:10:25,149 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-19 09:10:25,150 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-19 09:10:25,151 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560884581]
[2023-12-19 09:10:25,152 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-19 09:10:25,154 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-19 09:10:25,165 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-19 09:10:25,185 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-19 09:10:25,186 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-19 09:10:25,188 INFO  L87              Difference]: Start difference. First operand  has 105 states, 60 states have (on average 1.45) internal successors, (87), 61 states have internal predecessors, (87), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand  has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42)
[2023-12-19 09:10:25,248 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-19 09:10:25,248 INFO  L93              Difference]: Finished difference Result 205 states and 378 transitions.
[2023-12-19 09:10:25,250 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-19 09:10:25,252 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) Word has length 254
[2023-12-19 09:10:25,272 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-19 09:10:25,280 INFO  L225             Difference]: With dead ends: 205
[2023-12-19 09:10:25,294 INFO  L226             Difference]: Without dead ends: 101
[2023-12-19 09:10:25,298 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 253 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 09:10:25,300 INFO  L413           NwaCegarLoop]: 156 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, 156 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 09:10:25,306 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-19 09:10:25,316 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 101 states.
[2023-12-19 09:10:25,335 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101.
[2023-12-19 09:10:25,345 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 101 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 57 states have internal predecessors, (75), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42)
[2023-12-19 09:10:25,347 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 159 transitions.
[2023-12-19 09:10:25,369 INFO  L78                 Accepts]: Start accepts. Automaton has 101 states and 159 transitions. Word has length 254
[2023-12-19 09:10:25,369 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-19 09:10:25,370 INFO  L495      AbstractCegarLoop]: Abstraction has 101 states and 159 transitions.
[2023-12-19 09:10:25,370 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42)
[2023-12-19 09:10:25,391 INFO  L276                IsEmpty]: Start isEmpty. Operand 101 states and 159 transitions.
[2023-12-19 09:10:25,408 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 255
[2023-12-19 09:10:25,412 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 09:10:25,412 INFO  L195           NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:25,436 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 09:10:25,636 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 09:10:25,657 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 09:10:25,662 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 09:10:25,663 INFO  L85        PathProgramCache]: Analyzing trace with hash 1039759048, now seen corresponding path program 1 times
[2023-12-19 09:10:25,663 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 09:10:25,700 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507092517]
[2023-12-19 09:10:25,700 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 09:10:25,701 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 09:10:25,753 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-19 09:10:25,754 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1535034069]
[2023-12-19 09:10:25,754 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 09:10:25,754 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 09:10:25,754 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 09:10:25,755 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 09:10:25,776 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 09:10:25,880 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 09:10:25,883 INFO  L262         TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-12-19 09:10:25,888 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-19 09:10:26,027 INFO  L134       CoverageAnalysis]: Checked inductivity of 3444 backedges. 1491 proven. 36 refuted. 0 times theorem prover too weak. 1917 trivial. 0 not checked.
[2023-12-19 09:10:26,028 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-19 09:10:26,195 INFO  L134       CoverageAnalysis]: Checked inductivity of 3444 backedges. 87 proven. 36 refuted. 0 times theorem prover too weak. 3321 trivial. 0 not checked.
[2023-12-19 09:10:26,195 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-19 09:10:26,195 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507092517]
[2023-12-19 09:10:26,199 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-19 09:10:26,199 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535034069]
[2023-12-19 09:10:26,199 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535034069] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-19 09:10:26,199 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-19 09:10:26,209 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8
[2023-12-19 09:10:26,209 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222792207]
[2023-12-19 09:10:26,209 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-19 09:10:26,212 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-12-19 09:10:26,218 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-19 09:10:26,219 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-12-19 09:10:26,220 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2023-12-19 09:10:26,220 INFO  L87              Difference]: Start difference. First operand 101 states and 159 transitions. Second operand  has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 3 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55)
[2023-12-19 09:10:26,504 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-19 09:10:26,505 INFO  L93              Difference]: Finished difference Result 207 states and 322 transitions.
[2023-12-19 09:10:26,512 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-12-19 09:10:26,513 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 3 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 254
[2023-12-19 09:10:26,524 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-19 09:10:26,525 INFO  L225             Difference]: With dead ends: 207
[2023-12-19 09:10:26,525 INFO  L226             Difference]: Without dead ends: 107
[2023-12-19 09:10:26,526 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 510 GetRequests, 500 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132
[2023-12-19 09:10:26,535 INFO  L413           NwaCegarLoop]: 108 mSDtfsCounter, 134 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-12-19 09:10:26,546 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 237 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-19 09:10:26,557 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 107 states.
[2023-12-19 09:10:26,568 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105.
[2023-12-19 09:10:26,569 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 105 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 60 states have internal predecessors, (77), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42)
[2023-12-19 09:10:26,579 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 161 transitions.
[2023-12-19 09:10:26,579 INFO  L78                 Accepts]: Start accepts. Automaton has 105 states and 161 transitions. Word has length 254
[2023-12-19 09:10:26,591 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-19 09:10:26,591 INFO  L495      AbstractCegarLoop]: Abstraction has 105 states and 161 transitions.
[2023-12-19 09:10:26,592 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 3 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55)
[2023-12-19 09:10:26,604 INFO  L276                IsEmpty]: Start isEmpty. Operand 105 states and 161 transitions.
[2023-12-19 09:10:26,606 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 256
[2023-12-19 09:10:26,606 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 09:10:26,606 INFO  L195           NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:26,623 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 09:10:26,820 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 09:10:26,821 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 09:10:26,821 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 09:10:26,821 INFO  L85        PathProgramCache]: Analyzing trace with hash -182702899, now seen corresponding path program 1 times
[2023-12-19 09:10:26,821 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 09:10:26,822 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564605565]
[2023-12-19 09:10:26,822 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 09:10:26,822 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 09:10:26,872 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-19 09:10:26,872 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2105986859]
[2023-12-19 09:10:26,872 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 09:10:26,872 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 09:10:26,872 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 09:10:26,873 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 09:10:26,901 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 09:10:26,998 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 09:10:27,000 INFO  L262         TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 30 conjunts are in the unsatisfiable core
[2023-12-19 09:10:27,007 INFO  L285         TraceCheckSpWp]: Computing forward predicates...