/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-pe-cn_file-58.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-19 08:28:02,130 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-19 08:28:02,197 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 08:28:02,201 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-19 08:28:02,202 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-19 08:28:02,221 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-19 08:28:02,222 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-19 08:28:02,222 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-19 08:28:02,222 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-19 08:28:02,225 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-19 08:28:02,225 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-19 08:28:02,226 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-19 08:28:02,226 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-19 08:28:02,227 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-19 08:28:02,227 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-19 08:28:02,227 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-19 08:28:02,227 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-19 08:28:02,227 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-19 08:28:02,227 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-19 08:28:02,228 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-19 08:28:02,228 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-19 08:28:02,229 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-19 08:28:02,229 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-19 08:28:02,229 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-19 08:28:02,229 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-19 08:28:02,229 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-19 08:28:02,229 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-19 08:28:02,230 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-19 08:28:02,230 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-19 08:28:02,230 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-19 08:28:02,231 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-19 08:28:02,231 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-19 08:28:02,231 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-19 08:28:02,231 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-19 08:28:02,231 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-19 08:28:02,231 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-19 08:28:02,231 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-12-19 08:28:02,232 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-19 08:28:02,232 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-19 08:28:02,232 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-19 08:28:02,232 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-19 08:28:02,232 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-19 08:28:02,233 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-19 08:28:02,233 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true
[2023-12-19 08:28:02,416 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-19 08:28:02,429 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-19 08:28:02,430 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-19 08:28:02,431 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-19 08:28:02,433 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-19 08:28:02,433 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-58.i
[2023-12-19 08:28:03,434 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-19 08:28:03,610 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-19 08:28:03,611 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-58.i
[2023-12-19 08:28:03,617 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f614f78c/b28e54d1ba7d4b35ba17cc51d3ddc551/FLAG43d7a77c6
[2023-12-19 08:28:03,628 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f614f78c/b28e54d1ba7d4b35ba17cc51d3ddc551
[2023-12-19 08:28:03,630 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-19 08:28:03,631 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-19 08:28:03,632 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-19 08:28:03,636 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-19 08:28:03,640 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-19 08:28:03,640 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 08:28:03" (1/1) ...
[2023-12-19 08:28:03,641 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d01e4a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:28:03, skipping insertion in model container
[2023-12-19 08:28:03,641 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 08:28:03" (1/1) ...
[2023-12-19 08:28:03,673 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-19 08:28:03,772 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-pe-cn_file-58.i[919,932]
[2023-12-19 08:28:03,820 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-19 08:28:03,831 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-19 08:28:03,848 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-pe-cn_file-58.i[919,932]
[2023-12-19 08:28:03,886 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-19 08:28:03,910 INFO  L206         MainTranslator]: Completed translation
[2023-12-19 08:28:03,910 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:28:03 WrapperNode
[2023-12-19 08:28:03,910 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-19 08:28:03,913 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-19 08:28:03,913 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-19 08:28:03,913 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-19 08:28:03,918 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:28:03" (1/1) ...
[2023-12-19 08:28:03,941 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:28:03" (1/1) ...
[2023-12-19 08:28:03,986 INFO  L138                Inliner]: procedures = 26, calls = 56, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 268
[2023-12-19 08:28:03,987 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-19 08:28:03,987 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-19 08:28:03,987 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-19 08:28:03,988 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-19 08:28:03,995 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:28:03" (1/1) ...
[2023-12-19 08:28:03,995 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:28:03" (1/1) ...
[2023-12-19 08:28:03,998 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:28:03" (1/1) ...
[2023-12-19 08:28:04,016 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 08:28:04,016 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:28:03" (1/1) ...
[2023-12-19 08:28:04,017 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:28:03" (1/1) ...
[2023-12-19 08:28:04,030 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:28:03" (1/1) ...
[2023-12-19 08:28:04,036 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:28:03" (1/1) ...
[2023-12-19 08:28:04,038 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:28:03" (1/1) ...
[2023-12-19 08:28:04,040 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:28:03" (1/1) ...
[2023-12-19 08:28:04,042 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-19 08:28:04,043 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-19 08:28:04,043 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-19 08:28:04,043 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-19 08:28:04,044 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:28:03" (1/1) ...
[2023-12-19 08:28:04,054 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-19 08:28:04,064 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 08:28:04,078 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 08:28:04,093 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 08:28:04,102 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-19 08:28:04,102 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-19 08:28:04,102 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-19 08:28:04,103 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-12-19 08:28:04,103 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-19 08:28:04,103 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-19 08:28:04,191 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-19 08:28:04,193 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-19 08:28:04,663 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-19 08:28:04,709 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-19 08:28:04,709 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-19 08:28:04,710 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 08:28:04 BoogieIcfgContainer
[2023-12-19 08:28:04,710 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-19 08:28:04,712 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-19 08:28:04,712 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-19 08:28:04,715 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-19 08:28:04,715 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 08:28:03" (1/3) ...
[2023-12-19 08:28:04,716 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4544f01e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 08:28:04, skipping insertion in model container
[2023-12-19 08:28:04,716 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:28:03" (2/3) ...
[2023-12-19 08:28:04,716 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4544f01e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 08:28:04, skipping insertion in model container
[2023-12-19 08:28:04,717 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 08:28:04" (3/3) ...
[2023-12-19 08:28:04,718 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-58.i
[2023-12-19 08:28:04,730 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-19 08:28:04,731 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-19 08:28:04,776 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-19 08:28:04,781 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;@67de1b89, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-19 08:28:04,782 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-19 08:28:04,787 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 108 states, 62 states have (on average 1.5161290322580645) internal successors, (94), 63 states have internal predecessors, (94), 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 08:28:04,823 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 260
[2023-12-19 08:28:04,823 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 08:28:04,824 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]
[2023-12-19 08:28:04,824 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 08:28:04,831 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 08:28:04,832 INFO  L85        PathProgramCache]: Analyzing trace with hash -1537245274, now seen corresponding path program 1 times
[2023-12-19 08:28:04,838 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 08:28:04,839 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729166478]
[2023-12-19 08:28:04,839 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:28:04,839 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 08:28:04,964 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 08:28:05,053 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-19 08:28:05,054 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729166478]
[2023-12-19 08:28:05,054 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic
[2023-12-19 08:28:05,054 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296679404]
[2023-12-19 08:28:05,054 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:28:05,055 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 08:28:05,055 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 08:28:05,058 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 08:28:05,064 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 08:28:05,219 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 08:28:05,223 INFO  L262         TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-19 08:28:05,239 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-19 08:28:05,296 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 08:28:05,296 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-19 08:28:05,297 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [296679404] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-19 08:28:05,297 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-19 08:28:05,297 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-19 08:28:05,300 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907158079]
[2023-12-19 08:28:05,303 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-19 08:28:05,309 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-19 08:28:05,309 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-19 08:28:05,338 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-19 08:28:05,338 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-19 08:28:05,341 INFO  L87              Difference]: Start difference. First operand  has 108 states, 62 states have (on average 1.5161290322580645) internal successors, (94), 63 states have internal predecessors, (94), 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 24.5) internal successors, (49), 2 states have internal predecessors, (49), 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 08:28:05,382 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-19 08:28:05,383 INFO  L93              Difference]: Finished difference Result 213 states and 401 transitions.
[2023-12-19 08:28:05,384 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-19 08:28:05,385 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, (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 259
[2023-12-19 08:28:05,385 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-19 08:28:05,393 INFO  L225             Difference]: With dead ends: 213
[2023-12-19 08:28:05,393 INFO  L226             Difference]: Without dead ends: 106
[2023-12-19 08:28:05,401 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 258 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 08:28:05,403 INFO  L413           NwaCegarLoop]: 172 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, 172 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 08:28:05,405 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-19 08:28:05,417 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 106 states.
[2023-12-19 08:28:05,447 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106.
[2023-12-19 08:28:05,448 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 106 states, 61 states have (on average 1.459016393442623) internal successors, (89), 61 states have internal predecessors, (89), 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 08:28:05,457 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 175 transitions.
[2023-12-19 08:28:05,458 INFO  L78                 Accepts]: Start accepts. Automaton has 106 states and 175 transitions. Word has length 259
[2023-12-19 08:28:05,458 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-19 08:28:05,458 INFO  L495      AbstractCegarLoop]: Abstraction has 106 states and 175 transitions.
[2023-12-19 08:28:05,459 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, (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 08:28:05,459 INFO  L276                IsEmpty]: Start isEmpty. Operand 106 states and 175 transitions.
[2023-12-19 08:28:05,462 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 260
[2023-12-19 08:28:05,462 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 08:28:05,462 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]
[2023-12-19 08:28:05,473 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 08:28:05,664 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 08:28:05,665 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 08:28:05,665 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 08:28:05,665 INFO  L85        PathProgramCache]: Analyzing trace with hash -644712020, now seen corresponding path program 1 times
[2023-12-19 08:28:05,665 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 08:28:05,666 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548211613]
[2023-12-19 08:28:05,666 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:28:05,666 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 08:28:05,731 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-19 08:28:05,731 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [267471619]
[2023-12-19 08:28:05,731 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:28:05,732 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 08:28:05,732 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 08:28:05,733 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 08:28:05,735 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 08:28:05,863 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 08:28:05,866 INFO  L262         TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-12-19 08:28:05,876 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-19 08:28:06,089 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 08:28:06,090 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-19 08:28:06,303 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 08:28:06,303 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-19 08:28:06,304 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548211613]
[2023-12-19 08:28:06,304 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-19 08:28:06,304 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267471619]
[2023-12-19 08:28:06,304 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [267471619] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-19 08:28:06,304 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-19 08:28:06,304 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2023-12-19 08:28:06,304 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455639951]
[2023-12-19 08:28:06,305 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-19 08:28:06,308 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-12-19 08:28:06,308 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-19 08:28:06,310 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-12-19 08:28:06,310 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2023-12-19 08:28:06,310 INFO  L87              Difference]: Start difference. First operand 106 states and 175 transitions. Second operand  has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 08:28:06,639 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-19 08:28:06,639 INFO  L93              Difference]: Finished difference Result 219 states and 356 transitions.
[2023-12-19 08:28:06,640 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-12-19 08:28:06,640 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 259
[2023-12-19 08:28:06,645 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-19 08:28:06,649 INFO  L225             Difference]: With dead ends: 219
[2023-12-19 08:28:06,649 INFO  L226             Difference]: Without dead ends: 114
[2023-12-19 08:28:06,651 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 520 GetRequests, 510 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110
[2023-12-19 08:28:06,653 INFO  L413           NwaCegarLoop]: 114 mSDtfsCounter, 99 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-12-19 08:28:06,654 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 256 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-19 08:28:06,656 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 114 states.
[2023-12-19 08:28:06,679 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 110.
[2023-12-19 08:28:06,681 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 110 states, 64 states have (on average 1.40625) internal successors, (90), 64 states have internal predecessors, (90), 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 08:28:06,684 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 176 transitions.
[2023-12-19 08:28:06,684 INFO  L78                 Accepts]: Start accepts. Automaton has 110 states and 176 transitions. Word has length 259
[2023-12-19 08:28:06,686 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-19 08:28:06,686 INFO  L495      AbstractCegarLoop]: Abstraction has 110 states and 176 transitions.
[2023-12-19 08:28:06,686 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 08:28:06,686 INFO  L276                IsEmpty]: Start isEmpty. Operand 110 states and 176 transitions.
[2023-12-19 08:28:06,690 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 262
[2023-12-19 08:28:06,690 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 08:28:06,690 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]
[2023-12-19 08:28:06,697 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2023-12-19 08:28:06,896 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 08:28:06,897 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 08:28:06,898 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 08:28:06,898 INFO  L85        PathProgramCache]: Analyzing trace with hash -679714442, now seen corresponding path program 1 times
[2023-12-19 08:28:06,898 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 08:28:06,898 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800231859]
[2023-12-19 08:28:06,898 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:28:06,898 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 08:28:06,961 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-19 08:28:06,962 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1247488927]
[2023-12-19 08:28:06,962 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:28:06,962 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 08:28:06,962 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 08:28:06,963 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 08:28:07,010 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 08:28:07,125 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 08:28:07,128 INFO  L262         TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 23 conjunts are in the unsatisfiable core
[2023-12-19 08:28:07,134 INFO  L285         TraceCheckSpWp]: Computing forward predicates...