/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-58.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-19 09:53:52,514 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-19 09:53:52,581 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 09:53:52,586 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-19 09:53:52,586 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-19 09:53:52,614 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-19 09:53:52,614 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-19 09:53:52,615 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-19 09:53:52,615 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-19 09:53:52,618 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-19 09:53:52,618 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-19 09:53:52,619 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-19 09:53:52,619 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-19 09:53:52,620 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-19 09:53:52,620 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-19 09:53:52,621 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-19 09:53:52,621 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-19 09:53:52,621 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-19 09:53:52,621 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-19 09:53:52,621 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-19 09:53:52,622 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-19 09:53:52,622 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-19 09:53:52,622 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-19 09:53:52,622 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-19 09:53:52,622 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-19 09:53:52,623 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-19 09:53:52,623 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-19 09:53:52,623 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-19 09:53:52,623 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-19 09:53:52,624 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-19 09:53:52,625 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-19 09:53:52,625 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-19 09:53:52,625 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-19 09:53:52,625 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-19 09:53:52,625 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-19 09:53:52,625 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-19 09:53:52,625 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-12-19 09:53:52,626 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-19 09:53:52,626 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-19 09:53:52,626 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-19 09:53:52,626 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-19 09:53:52,626 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-19 09:53:52,626 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-19 09:53:52,626 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true
[2023-12-19 09:53:52,799 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-19 09:53:52,814 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-19 09:53:52,815 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-19 09:53:52,816 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-19 09:53:52,816 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-19 09:53:52,817 INFO  L431   ainManager$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-58.i
[2023-12-19 09:53:54,067 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-19 09:53:54,268 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-19 09:53:54,269 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-58.i
[2023-12-19 09:53:54,279 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5ef32d73/efc25492453f4295b5f904dc7f5f14b1/FLAGf45b11988
[2023-12-19 09:53:54,293 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5ef32d73/efc25492453f4295b5f904dc7f5f14b1
[2023-12-19 09:53:54,295 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-19 09:53:54,297 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-19 09:53:54,300 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-19 09:53:54,300 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-19 09:53:54,304 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-19 09:53:54,305 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 09:53:54" (1/1) ...
[2023-12-19 09:53:54,305 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea1e8cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:53:54, skipping insertion in model container
[2023-12-19 09:53:54,305 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 09:53:54" (1/1) ...
[2023-12-19 09:53:54,338 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-19 09:53:54,460 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-58.i[919,932]
[2023-12-19 09:53:54,523 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-19 09:53:54,536 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-19 09:53:54,550 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-58.i[919,932]
[2023-12-19 09:53:54,586 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-19 09:53:54,599 INFO  L206         MainTranslator]: Completed translation
[2023-12-19 09:53:54,600 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:53:54 WrapperNode
[2023-12-19 09:53:54,600 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-19 09:53:54,601 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-19 09:53:54,601 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-19 09:53:54,601 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-19 09:53:54,615 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:53:54" (1/1) ...
[2023-12-19 09:53:54,624 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:53:54" (1/1) ...
[2023-12-19 09:53:54,657 INFO  L138                Inliner]: procedures = 26, calls = 56, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 268
[2023-12-19 09:53:54,657 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-19 09:53:54,658 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-19 09:53:54,658 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-19 09:53:54,658 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-19 09:53:54,673 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:53:54" (1/1) ...
[2023-12-19 09:53:54,673 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:53:54" (1/1) ...
[2023-12-19 09:53:54,676 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:53:54" (1/1) ...
[2023-12-19 09:53:54,698 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 09:53:54,698 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:53:54" (1/1) ...
[2023-12-19 09:53:54,699 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:53:54" (1/1) ...
[2023-12-19 09:53:54,706 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:53:54" (1/1) ...
[2023-12-19 09:53:54,713 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:53:54" (1/1) ...
[2023-12-19 09:53:54,715 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:53:54" (1/1) ...
[2023-12-19 09:53:54,717 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:53:54" (1/1) ...
[2023-12-19 09:53:54,720 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-19 09:53:54,721 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-19 09:53:54,721 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-19 09:53:54,721 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-19 09:53:54,721 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:53:54" (1/1) ...
[2023-12-19 09:53:54,731 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-19 09:53:54,738 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 09:53:54,783 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 09:53:54,799 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 09:53:54,805 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-19 09:53:54,805 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-19 09:53:54,805 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-19 09:53:54,805 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-12-19 09:53:54,805 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-19 09:53:54,805 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-19 09:53:54,864 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-19 09:53:54,869 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-19 09:53:55,249 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-19 09:53:55,276 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-19 09:53:55,276 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-19 09:53:55,277 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 09:53:55 BoogieIcfgContainer
[2023-12-19 09:53:55,277 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-19 09:53:55,278 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-19 09:53:55,278 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-19 09:53:55,280 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-19 09:53:55,281 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 09:53:54" (1/3) ...
[2023-12-19 09:53:55,282 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64426f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 09:53:55, skipping insertion in model container
[2023-12-19 09:53:55,282 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:53:54" (2/3) ...
[2023-12-19 09:53:55,282 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64426f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 09:53:55, skipping insertion in model container
[2023-12-19 09:53:55,283 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 09:53:55" (3/3) ...
[2023-12-19 09:53:55,284 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-58.i
[2023-12-19 09:53:55,296 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-19 09:53:55,297 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-19 09:53:55,341 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-19 09:53:55,345 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;@2a655acb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-19 09:53:55,345 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-19 09:53:55,349 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 109 states, 63 states have (on average 1.507936507936508) internal successors, (95), 64 states have internal predecessors, (95), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43)
[2023-12-19 09:53:55,364 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 261
[2023-12-19 09:53:55,364 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 09:53:55,365 INFO  L195           NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:53:55,365 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 09:53:55,369 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 09:53:55,370 INFO  L85        PathProgramCache]: Analyzing trace with hash -1198866335, now seen corresponding path program 1 times
[2023-12-19 09:53:55,376 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 09:53:55,376 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088017793]
[2023-12-19 09:53:55,376 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 09:53:55,377 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 09:53:55,519 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 09:53:55,608 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-19 09:53:55,609 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088017793]
[2023-12-19 09:53:55,609 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic
[2023-12-19 09:53:55,609 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422910184]
[2023-12-19 09:53:55,609 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 09:53:55,610 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 09:53:55,610 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 09:53:55,623 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 09:53:55,665 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 09:53:55,798 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 09:53:55,804 INFO  L262         TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-19 09:53:55,821 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-19 09:53:55,885 INFO  L134       CoverageAnalysis]: Checked inductivity of 3612 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 3528 trivial. 0 not checked.
[2023-12-19 09:53:55,885 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-19 09:53:55,886 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422910184] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-19 09:53:55,886 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-19 09:53:55,886 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-19 09:53:55,888 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339705070]
[2023-12-19 09:53:55,888 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-19 09:53:55,892 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-19 09:53:55,892 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-19 09:53:55,922 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-19 09:53:55,923 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-19 09:53:55,926 INFO  L87              Difference]: Start difference. First operand  has 109 states, 63 states have (on average 1.507936507936508) internal successors, (95), 64 states have internal predecessors, (95), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) Second operand  has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43)
[2023-12-19 09:53:55,964 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-19 09:53:55,964 INFO  L93              Difference]: Finished difference Result 215 states and 403 transitions.
[2023-12-19 09:53:55,966 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-19 09:53:55,967 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) Word has length 260
[2023-12-19 09:53:55,967 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-19 09:53:55,973 INFO  L225             Difference]: With dead ends: 215
[2023-12-19 09:53:55,973 INFO  L226             Difference]: Without dead ends: 107
[2023-12-19 09:53:55,976 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 259 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 09:53:55,979 INFO  L413           NwaCegarLoop]: 173 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, 173 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 09:53:55,979 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 173 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-19 09:53:55,991 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 107 states.
[2023-12-19 09:53:56,019 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107.
[2023-12-19 09:53:56,020 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 107 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 62 states have internal predecessors, (90), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43)
[2023-12-19 09:53:56,027 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 176 transitions.
[2023-12-19 09:53:56,028 INFO  L78                 Accepts]: Start accepts. Automaton has 107 states and 176 transitions. Word has length 260
[2023-12-19 09:53:56,028 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-19 09:53:56,028 INFO  L495      AbstractCegarLoop]: Abstraction has 107 states and 176 transitions.
[2023-12-19 09:53:56,029 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43)
[2023-12-19 09:53:56,029 INFO  L276                IsEmpty]: Start isEmpty. Operand 107 states and 176 transitions.
[2023-12-19 09:53:56,034 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 261
[2023-12-19 09:53:56,034 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 09:53:56,035 INFO  L195           NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:53:56,041 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-12-19 09:53:56,240 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 09:53:56,241 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 09:53:56,241 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 09:53:56,242 INFO  L85        PathProgramCache]: Analyzing trace with hash 699860763, now seen corresponding path program 1 times
[2023-12-19 09:53:56,242 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 09:53:56,242 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883468843]
[2023-12-19 09:53:56,242 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 09:53:56,242 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 09:53:56,299 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-19 09:53:56,299 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [924548945]
[2023-12-19 09:53:56,299 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 09:53:56,299 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 09:53:56,300 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 09:53:56,301 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 09:53:56,327 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 09:53:56,445 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 09:53:56,448 INFO  L262         TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-12-19 09:53:56,453 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-19 09:53:56,629 INFO  L134       CoverageAnalysis]: Checked inductivity of 3612 backedges. 1542 proven. 36 refuted. 0 times theorem prover too weak. 2034 trivial. 0 not checked.
[2023-12-19 09:53:56,630 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-19 09:53:56,819 INFO  L134       CoverageAnalysis]: Checked inductivity of 3612 backedges. 90 proven. 36 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked.
[2023-12-19 09:53:56,819 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-19 09:53:56,819 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883468843]
[2023-12-19 09:53:56,819 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-19 09:53:56,820 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924548945]
[2023-12-19 09:53:56,820 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [924548945] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-19 09:53:56,820 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-19 09:53:56,820 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2023-12-19 09:53:56,820 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673536614]
[2023-12-19 09:53:56,821 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-19 09:53:56,824 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-12-19 09:53:56,824 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-19 09:53:56,825 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-12-19 09:53:56,825 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2023-12-19 09:53:56,826 INFO  L87              Difference]: Start difference. First operand 107 states and 176 transitions. Second operand  has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56)
[2023-12-19 09:53:57,080 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-19 09:53:57,080 INFO  L93              Difference]: Finished difference Result 221 states and 358 transitions.
[2023-12-19 09:53:57,081 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-12-19 09:53:57,082 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 260
[2023-12-19 09:53:57,083 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-19 09:53:57,084 INFO  L225             Difference]: With dead ends: 221
[2023-12-19 09:53:57,084 INFO  L226             Difference]: Without dead ends: 115
[2023-12-19 09:53:57,085 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 512 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110
[2023-12-19 09:53:57,086 INFO  L413           NwaCegarLoop]: 115 mSDtfsCounter, 110 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-12-19 09:53:57,086 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 260 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-19 09:53:57,087 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 115 states.
[2023-12-19 09:53:57,099 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 111.
[2023-12-19 09:53:57,100 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 111 states, 65 states have (on average 1.4) internal successors, (91), 65 states have internal predecessors, (91), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43)
[2023-12-19 09:53:57,101 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 177 transitions.
[2023-12-19 09:53:57,101 INFO  L78                 Accepts]: Start accepts. Automaton has 111 states and 177 transitions. Word has length 260
[2023-12-19 09:53:57,102 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-19 09:53:57,102 INFO  L495      AbstractCegarLoop]: Abstraction has 111 states and 177 transitions.
[2023-12-19 09:53:57,102 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56)
[2023-12-19 09:53:57,102 INFO  L276                IsEmpty]: Start isEmpty. Operand 111 states and 177 transitions.
[2023-12-19 09:53:57,105 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 263
[2023-12-19 09:53:57,105 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 09:53:57,105 INFO  L195           NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:53:57,126 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 09:53:57,311 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 09:53:57,312 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 09:53:57,312 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 09:53:57,312 INFO  L85        PathProgramCache]: Analyzing trace with hash -1866931183, now seen corresponding path program 1 times
[2023-12-19 09:53:57,312 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 09:53:57,313 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850206533]
[2023-12-19 09:53:57,313 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 09:53:57,313 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 09:53:57,402 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-19 09:53:57,403 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1315748348]
[2023-12-19 09:53:57,403 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 09:53:57,403 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 09:53:57,403 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 09:53:57,417 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 09:53:57,444 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 09:53:57,543 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 09:53:57,546 INFO  L262         TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 25 conjunts are in the unsatisfiable core
[2023-12-19 09:53:57,557 INFO  L285         TraceCheckSpWp]: Computing forward predicates...