/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 false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-33.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-20 21:34:11,943 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-20 21:34:12,010 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2023-12-20 21:34:12,013 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-20 21:34:12,014 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-20 21:34:12,035 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-20 21:34:12,035 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-20 21:34:12,036 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-20 21:34:12,036 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-20 21:34:12,039 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-20 21:34:12,039 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-20 21:34:12,039 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-20 21:34:12,040 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-20 21:34:12,041 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-20 21:34:12,041 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-20 21:34:12,041 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-20 21:34:12,041 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-20 21:34:12,042 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-20 21:34:12,042 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-20 21:34:12,042 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-20 21:34:12,043 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-20 21:34:12,043 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-20 21:34:12,043 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-20 21:34:12,043 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-20 21:34:12,043 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-20 21:34:12,043 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-20 21:34:12,044 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-20 21:34:12,044 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-20 21:34:12,044 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-20 21:34:12,044 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-20 21:34:12,045 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-20 21:34:12,045 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-20 21:34:12,045 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-20 21:34:12,046 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-20 21:34:12,046 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-20 21:34:12,046 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-20 21:34:12,046 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-12-20 21:34:12,046 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-20 21:34:12,046 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-20 21:34:12,046 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-20 21:34:12,047 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-20 21:34:12,047 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-20 21:34:12,047 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-20 21:34:12,047 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false
[2023-12-20 21:34:12,230 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-20 21:34:12,248 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-20 21:34:12,250 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-20 21:34:12,250 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-20 21:34:12,250 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-20 21:34:12,251 INFO  L431   ainManager$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-33.i
[2023-12-20 21:34:13,272 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-20 21:34:13,473 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-20 21:34:13,474 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-33.i
[2023-12-20 21:34:13,483 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c79c498b1/f44bb32f96b945078c7a8e8fe5cc1505/FLAGc6c0014e9
[2023-12-20 21:34:13,495 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c79c498b1/f44bb32f96b945078c7a8e8fe5cc1505
[2023-12-20 21:34:13,498 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-20 21:34:13,499 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-20 21:34:13,501 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-20 21:34:13,501 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-20 21:34:13,504 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-20 21:34:13,505 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 09:34:13" (1/1) ...
[2023-12-20 21:34:13,505 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c1910a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:34:13, skipping insertion in model container
[2023-12-20 21:34:13,505 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 09:34:13" (1/1) ...
[2023-12-20 21:34:13,532 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-20 21:34:13,629 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-33.i[919,932]
[2023-12-20 21:34:13,694 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-20 21:34:13,706 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-20 21:34:13,714 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-33.i[919,932]
[2023-12-20 21:34:13,739 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-20 21:34:13,751 INFO  L206         MainTranslator]: Completed translation
[2023-12-20 21:34:13,752 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:34:13 WrapperNode
[2023-12-20 21:34:13,752 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-20 21:34:13,753 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-20 21:34:13,753 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-20 21:34:13,753 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-20 21:34:13,764 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:34:13" (1/1) ...
[2023-12-20 21:34:13,775 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:34:13" (1/1) ...
[2023-12-20 21:34:13,822 INFO  L138                Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 233
[2023-12-20 21:34:13,822 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-20 21:34:13,822 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-20 21:34:13,823 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-20 21:34:13,823 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-20 21:34:13,834 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:34:13" (1/1) ...
[2023-12-20 21:34:13,834 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:34:13" (1/1) ...
[2023-12-20 21:34:13,837 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:34:13" (1/1) ...
[2023-12-20 21:34:13,852 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].
[2023-12-20 21:34:13,853 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:34:13" (1/1) ...
[2023-12-20 21:34:13,853 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:34:13" (1/1) ...
[2023-12-20 21:34:13,862 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:34:13" (1/1) ...
[2023-12-20 21:34:13,865 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:34:13" (1/1) ...
[2023-12-20 21:34:13,868 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:34:13" (1/1) ...
[2023-12-20 21:34:13,870 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:34:13" (1/1) ...
[2023-12-20 21:34:13,875 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-20 21:34:13,876 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-20 21:34:13,876 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-20 21:34:13,876 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-20 21:34:13,876 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:34:13" (1/1) ...
[2023-12-20 21:34:13,880 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-20 21:34:13,891 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-20 21:34:13,900 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)
[2023-12-20 21:34:13,906 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
[2023-12-20 21:34:13,921 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-20 21:34:13,921 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-20 21:34:13,921 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-20 21:34:13,921 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-12-20 21:34:13,921 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-20 21:34:13,921 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-20 21:34:14,005 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-20 21:34:14,008 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-20 21:34:14,312 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-20 21:34:14,347 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-20 21:34:14,347 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-20 21:34:14,347 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 09:34:14 BoogieIcfgContainer
[2023-12-20 21:34:14,347 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-20 21:34:14,350 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-20 21:34:14,350 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-20 21:34:14,353 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-20 21:34:14,353 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 09:34:13" (1/3) ...
[2023-12-20 21:34:14,353 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d08b9ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 09:34:14, skipping insertion in model container
[2023-12-20 21:34:14,353 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:34:13" (2/3) ...
[2023-12-20 21:34:14,354 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d08b9ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 09:34:14, skipping insertion in model container
[2023-12-20 21:34:14,354 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 09:34:14" (3/3) ...
[2023-12-20 21:34:14,355 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-33.i
[2023-12-20 21:34:14,366 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-20 21:34:14,367 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-20 21:34:14,407 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-20 21:34:14,413 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;@6a7200e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-20 21:34:14,413 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-20 21:34:14,417 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 97 states, 52 states have (on average 1.4230769230769231) internal successors, (74), 53 states have internal predecessors, (74), 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)
[2023-12-20 21:34:14,454 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 251
[2023-12-20 21:34:14,454 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 21:34:14,455 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]
[2023-12-20 21:34:14,456 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 21:34:14,461 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 21:34:14,461 INFO  L85        PathProgramCache]: Analyzing trace with hash 1666628339, now seen corresponding path program 1 times
[2023-12-20 21:34:14,467 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 21:34:14,467 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069126975]
[2023-12-20 21:34:14,467 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 21:34:14,468 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 21:34:14,609 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 21:34:14,674 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 21:34:14,674 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069126975]
[2023-12-20 21:34:14,674 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic
[2023-12-20 21:34:14,674 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112365000]
[2023-12-20 21:34:14,675 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 21:34:14,675 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-20 21:34:14,675 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-20 21:34:14,677 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)
[2023-12-20 21:34:14,707 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-12-20 21:34:14,817 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 21:34:14,820 INFO  L262         TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-20 21:34:14,828 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-20 21:34:14,865 INFO  L134       CoverageAnalysis]: Checked inductivity of 3444 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 3362 trivial. 0 not checked.
[2023-12-20 21:34:14,866 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-20 21:34:14,866 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [112365000] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 21:34:14,866 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 21:34:14,866 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-20 21:34:14,868 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368295030]
[2023-12-20 21:34:14,868 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 21:34:14,872 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-20 21:34:14,872 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 21:34:14,892 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-20 21:34:14,893 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-20 21:34:14,895 INFO  L87              Difference]: Start difference. First operand  has 97 states, 52 states have (on average 1.4230769230769231) internal successors, (74), 53 states have internal predecessors, (74), 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 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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)
[2023-12-20 21:34:14,931 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 21:34:14,931 INFO  L93              Difference]: Finished difference Result 189 states and 352 transitions.
[2023-12-20 21:34:14,932 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-20 21:34:14,933 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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 250
[2023-12-20 21:34:14,934 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 21:34:14,939 INFO  L225             Difference]: With dead ends: 189
[2023-12-20 21:34:14,939 INFO  L226             Difference]: Without dead ends: 93
[2023-12-20 21:34:14,942 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-20 21:34:14,944 INFO  L413           NwaCegarLoop]: 143 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, 143 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
[2023-12-20 21:34:14,944 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 143 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-20 21:34:14,955 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 93 states.
[2023-12-20 21:34:14,975 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93.
[2023-12-20 21:34:14,977 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 93 states, 49 states have (on average 1.2653061224489797) internal successors, (62), 49 states have internal predecessors, (62), 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)
[2023-12-20 21:34:14,979 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 146 transitions.
[2023-12-20 21:34:14,980 INFO  L78                 Accepts]: Start accepts. Automaton has 93 states and 146 transitions. Word has length 250
[2023-12-20 21:34:14,980 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 21:34:14,980 INFO  L495      AbstractCegarLoop]: Abstraction has 93 states and 146 transitions.
[2023-12-20 21:34:14,980 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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)
[2023-12-20 21:34:14,980 INFO  L276                IsEmpty]: Start isEmpty. Operand 93 states and 146 transitions.
[2023-12-20 21:34:14,984 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 251
[2023-12-20 21:34:14,984 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 21:34:14,984 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]
[2023-12-20 21:34:15,017 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-12-20 21:34:15,190 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
[2023-12-20 21:34:15,191 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 21:34:15,191 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 21:34:15,192 INFO  L85        PathProgramCache]: Analyzing trace with hash -368953353, now seen corresponding path program 1 times
[2023-12-20 21:34:15,192 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 21:34:15,193 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181798776]
[2023-12-20 21:34:15,193 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 21:34:15,194 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 21:34:15,289 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-20 21:34:15,289 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [846225923]
[2023-12-20 21:34:15,289 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 21:34:15,290 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-20 21:34:15,290 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-20 21:34:15,298 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)
[2023-12-20 21:34:15,308 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-12-20 21:34:15,431 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 21:34:15,433 INFO  L262         TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-12-20 21:34:15,461 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-20 21:34:15,622 INFO  L134       CoverageAnalysis]: Checked inductivity of 3444 backedges. 1491 proven. 36 refuted. 0 times theorem prover too weak. 1917 trivial. 0 not checked.
[2023-12-20 21:34:15,622 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-20 21:34:15,866 INFO  L134       CoverageAnalysis]: Checked inductivity of 3444 backedges. 87 proven. 36 refuted. 0 times theorem prover too weak. 3321 trivial. 0 not checked.
[2023-12-20 21:34:15,866 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 21:34:15,866 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181798776]
[2023-12-20 21:34:15,866 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-20 21:34:15,866 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846225923]
[2023-12-20 21:34:15,867 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [846225923] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-20 21:34:15,867 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-20 21:34:15,867 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8
[2023-12-20 21:34:15,867 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065177817]
[2023-12-20 21:34:15,867 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-20 21:34:15,870 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-12-20 21:34:15,871 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 21:34:15,871 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-12-20 21:34:15,872 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2023-12-20 21:34:15,872 INFO  L87              Difference]: Start difference. First operand 93 states and 146 transitions. Second operand  has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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)
[2023-12-20 21:34:16,101 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 21:34:16,101 INFO  L93              Difference]: Finished difference Result 191 states and 296 transitions.
[2023-12-20 21:34:16,102 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-12-20 21:34:16,102 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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 250
[2023-12-20 21:34:16,103 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 21:34:16,104 INFO  L225             Difference]: With dead ends: 191
[2023-12-20 21:34:16,104 INFO  L226             Difference]: Without dead ends: 99
[2023-12-20 21:34:16,105 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 492 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132
[2023-12-20 21:34:16,106 INFO  L413           NwaCegarLoop]: 95 mSDtfsCounter, 124 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 199 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
[2023-12-20 21:34:16,106 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 199 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-20 21:34:16,107 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 99 states.
[2023-12-20 21:34:16,118 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97.
[2023-12-20 21:34:16,118 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 97 states, 52 states have (on average 1.2307692307692308) internal successors, (64), 52 states have internal predecessors, (64), 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)
[2023-12-20 21:34:16,128 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 148 transitions.
[2023-12-20 21:34:16,128 INFO  L78                 Accepts]: Start accepts. Automaton has 97 states and 148 transitions. Word has length 250
[2023-12-20 21:34:16,129 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 21:34:16,129 INFO  L495      AbstractCegarLoop]: Abstraction has 97 states and 148 transitions.
[2023-12-20 21:34:16,129 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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)
[2023-12-20 21:34:16,129 INFO  L276                IsEmpty]: Start isEmpty. Operand 97 states and 148 transitions.
[2023-12-20 21:34:16,131 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 252
[2023-12-20 21:34:16,131 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 21:34:16,131 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]
[2023-12-20 21:34:16,149 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-12-20 21:34:16,338 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
[2023-12-20 21:34:16,338 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 21:34:16,338 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 21:34:16,339 INFO  L85        PathProgramCache]: Analyzing trace with hash -516919921, now seen corresponding path program 1 times
[2023-12-20 21:34:16,339 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 21:34:16,339 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047937486]
[2023-12-20 21:34:16,339 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 21:34:16,339 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 21:34:16,406 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-20 21:34:16,406 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1608935851]
[2023-12-20 21:34:16,407 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 21:34:16,407 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-20 21:34:16,407 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-20 21:34:16,408 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)
[2023-12-20 21:34:16,433 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-12-20 21:34:16,569 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 21:34:16,572 INFO  L262         TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 29 conjunts are in the unsatisfiable core
[2023-12-20 21:34:16,579 INFO  L285         TraceCheckSpWp]: Computing forward predicates...