/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_fillercodesize_ps-cn-50_file-66.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-19 08:02:13,469 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-19 08:02:13,551 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 08:02:13,554 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-19 08:02:13,554 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-19 08:02:13,566 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-19 08:02:13,567 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-19 08:02:13,567 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-19 08:02:13,567 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-19 08:02:13,568 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-19 08:02:13,568 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-19 08:02:13,568 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-19 08:02:13,568 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-19 08:02:13,569 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-19 08:02:13,569 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-19 08:02:13,569 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-19 08:02:13,569 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-19 08:02:13,570 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-19 08:02:13,570 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-19 08:02:13,570 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-19 08:02:13,570 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-19 08:02:13,574 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-19 08:02:13,574 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-19 08:02:13,574 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-19 08:02:13,577 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-19 08:02:13,577 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-19 08:02:13,577 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-19 08:02:13,577 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-19 08:02:13,578 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-19 08:02:13,578 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-19 08:02:13,579 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-19 08:02:13,579 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-19 08:02:13,579 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-19 08:02:13,579 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-19 08:02:13,579 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-19 08:02:13,579 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-19 08:02:13,579 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-12-19 08:02:13,580 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-19 08:02:13,580 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-19 08:02:13,580 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-19 08:02:13,580 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-19 08:02:13,580 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-19 08:02:13,580 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-19 08:02:13,580 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true
[2023-12-19 08:02:13,780 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-19 08:02:13,801 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-19 08:02:13,803 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-19 08:02:13,803 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-19 08:02:13,804 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-19 08:02:13,805 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-66.i
[2023-12-19 08:02:15,032 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-19 08:02:15,198 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-19 08:02:15,198 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-66.i
[2023-12-19 08:02:15,214 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec5a2a235/e5cff02108654537beeb7a46fd62a7bf/FLAG04a1e8cd0
[2023-12-19 08:02:15,224 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec5a2a235/e5cff02108654537beeb7a46fd62a7bf
[2023-12-19 08:02:15,226 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-19 08:02:15,227 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-19 08:02:15,228 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-19 08:02:15,229 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-19 08:02:15,232 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-19 08:02:15,232 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 08:02:15" (1/1) ...
[2023-12-19 08:02:15,233 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7099dc77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:02:15, skipping insertion in model container
[2023-12-19 08:02:15,233 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 08:02:15" (1/1) ...
[2023-12-19 08:02:15,255 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-19 08:02:15,373 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_fillercodesize_ps-cn-50_file-66.i[915,928]
[2023-12-19 08:02:15,429 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-19 08:02:15,450 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-19 08:02:15,459 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_fillercodesize_ps-cn-50_file-66.i[915,928]
[2023-12-19 08:02:15,495 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-19 08:02:15,512 INFO  L206         MainTranslator]: Completed translation
[2023-12-19 08:02:15,512 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:02:15 WrapperNode
[2023-12-19 08:02:15,512 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-19 08:02:15,513 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-19 08:02:15,513 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-19 08:02:15,513 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-19 08:02:15,517 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:02:15" (1/1) ...
[2023-12-19 08:02:15,525 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:02:15" (1/1) ...
[2023-12-19 08:02:15,574 INFO  L138                Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 253
[2023-12-19 08:02:15,574 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-19 08:02:15,575 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-19 08:02:15,575 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-19 08:02:15,575 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-19 08:02:15,583 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:02:15" (1/1) ...
[2023-12-19 08:02:15,583 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:02:15" (1/1) ...
[2023-12-19 08:02:15,586 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:02:15" (1/1) ...
[2023-12-19 08:02:15,598 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 08:02:15,599 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:02:15" (1/1) ...
[2023-12-19 08:02:15,599 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:02:15" (1/1) ...
[2023-12-19 08:02:15,606 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:02:15" (1/1) ...
[2023-12-19 08:02:15,612 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:02:15" (1/1) ...
[2023-12-19 08:02:15,614 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:02:15" (1/1) ...
[2023-12-19 08:02:15,615 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:02:15" (1/1) ...
[2023-12-19 08:02:15,618 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-19 08:02:15,618 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-19 08:02:15,619 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-19 08:02:15,619 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-19 08:02:15,619 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:02:15" (1/1) ...
[2023-12-19 08:02:15,623 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-19 08:02:15,641 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 08:02:15,673 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 08:02:15,694 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 08:02:15,721 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-19 08:02:15,722 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-19 08:02:15,722 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-19 08:02:15,722 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-12-19 08:02:15,722 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-19 08:02:15,722 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-19 08:02:15,803 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-19 08:02:15,804 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-19 08:02:16,143 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-19 08:02:16,176 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-19 08:02:16,176 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-19 08:02:16,176 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 08:02:16 BoogieIcfgContainer
[2023-12-19 08:02:16,177 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-19 08:02:16,179 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-19 08:02:16,179 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-19 08:02:16,183 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-19 08:02:16,184 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 08:02:15" (1/3) ...
[2023-12-19 08:02:16,184 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d1428a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 08:02:16, skipping insertion in model container
[2023-12-19 08:02:16,184 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:02:15" (2/3) ...
[2023-12-19 08:02:16,185 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d1428a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 08:02:16, skipping insertion in model container
[2023-12-19 08:02:16,185 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 08:02:16" (3/3) ...
[2023-12-19 08:02:16,186 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-66.i
[2023-12-19 08:02:16,202 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-19 08:02:16,202 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-19 08:02:16,241 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-19 08:02:16,245 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;@73116ac6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-19 08:02:16,246 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-19 08:02:16,249 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 109 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 63 states have internal predecessors, (90), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44)
[2023-12-19 08:02:16,271 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 268
[2023-12-19 08:02:16,271 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 08:02:16,272 INFO  L195           NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-19 08:02:16,272 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 08:02:16,277 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 08:02:16,278 INFO  L85        PathProgramCache]: Analyzing trace with hash 1360282986, now seen corresponding path program 1 times
[2023-12-19 08:02:16,285 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 08:02:16,286 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239134109]
[2023-12-19 08:02:16,286 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:02:16,286 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 08:02:16,408 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 08:02:16,492 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-19 08:02:16,492 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239134109]
[2023-12-19 08:02:16,492 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic
[2023-12-19 08:02:16,492 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115106055]
[2023-12-19 08:02:16,493 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:02:16,493 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 08:02:16,493 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 08:02:16,496 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 08:02:16,510 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 08:02:16,703 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 08:02:16,709 INFO  L262         TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-19 08:02:16,726 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-19 08:02:16,790 INFO  L134       CoverageAnalysis]: Checked inductivity of 3784 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 3698 trivial. 0 not checked.
[2023-12-19 08:02:16,791 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-19 08:02:16,791 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [115106055] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-19 08:02:16,791 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-19 08:02:16,791 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-19 08:02:16,793 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991376432]
[2023-12-19 08:02:16,794 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-19 08:02:16,802 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-19 08:02:16,802 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-19 08:02:16,827 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-19 08:02:16,827 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-19 08:02:16,830 INFO  L87              Difference]: Start difference. First operand  has 109 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 63 states have internal predecessors, (90), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand  has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44)
[2023-12-19 08:02:16,870 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-19 08:02:16,870 INFO  L93              Difference]: Finished difference Result 215 states and 398 transitions.
[2023-12-19 08:02:16,872 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-19 08:02:16,873 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) Word has length 267
[2023-12-19 08:02:16,873 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-19 08:02:16,879 INFO  L225             Difference]: With dead ends: 215
[2023-12-19 08:02:16,879 INFO  L226             Difference]: Without dead ends: 107
[2023-12-19 08:02:16,883 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-19 08:02:16,886 INFO  L413           NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-19 08:02:16,887 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-19 08:02:16,904 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 107 states.
[2023-12-19 08:02:16,949 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107.
[2023-12-19 08:02:16,950 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 107 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 61 states have internal predecessors, (85), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44)
[2023-12-19 08:02:16,952 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 173 transitions.
[2023-12-19 08:02:16,953 INFO  L78                 Accepts]: Start accepts. Automaton has 107 states and 173 transitions. Word has length 267
[2023-12-19 08:02:16,960 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-19 08:02:16,960 INFO  L495      AbstractCegarLoop]: Abstraction has 107 states and 173 transitions.
[2023-12-19 08:02:16,961 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44)
[2023-12-19 08:02:16,961 INFO  L276                IsEmpty]: Start isEmpty. Operand 107 states and 173 transitions.
[2023-12-19 08:02:16,965 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 268
[2023-12-19 08:02:16,965 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 08:02:16,966 INFO  L195           NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-19 08:02:16,975 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2023-12-19 08:02:17,174 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 08:02:17,175 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 08:02:17,176 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 08:02:17,176 INFO  L85        PathProgramCache]: Analyzing trace with hash -349916634, now seen corresponding path program 1 times
[2023-12-19 08:02:17,176 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 08:02:17,176 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422765695]
[2023-12-19 08:02:17,176 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:02:17,177 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 08:02:17,266 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-19 08:02:17,267 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1415736250]
[2023-12-19 08:02:17,267 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:02:17,267 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 08:02:17,267 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 08:02:17,270 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 08:02:17,271 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 08:02:17,416 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 08:02:17,419 INFO  L262         TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-19 08:02:17,423 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-19 08:02:17,481 INFO  L134       CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked.
[2023-12-19 08:02:17,482 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-19 08:02:17,482 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-19 08:02:17,482 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422765695]
[2023-12-19 08:02:17,482 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-19 08:02:17,482 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415736250]
[2023-12-19 08:02:17,482 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415736250] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-19 08:02:17,482 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-19 08:02:17,482 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-19 08:02:17,483 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163513019]
[2023-12-19 08:02:17,483 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-19 08:02:17,486 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-19 08:02:17,486 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-19 08:02:17,488 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-19 08:02:17,488 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-19 08:02:17,488 INFO  L87              Difference]: Start difference. First operand 107 states and 173 transitions. Second operand  has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44)
[2023-12-19 08:02:17,579 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-19 08:02:17,579 INFO  L93              Difference]: Finished difference Result 318 states and 515 transitions.
[2023-12-19 08:02:17,579 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-19 08:02:17,580 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 267
[2023-12-19 08:02:17,583 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-19 08:02:17,587 INFO  L225             Difference]: With dead ends: 318
[2023-12-19 08:02:17,588 INFO  L226             Difference]: Without dead ends: 212
[2023-12-19 08:02:17,591 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-19 08:02:17,593 INFO  L413           NwaCegarLoop]: 311 mSDtfsCounter, 162 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-19 08:02:17,594 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 470 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-19 08:02:17,596 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 212 states.
[2023-12-19 08:02:17,641 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 210.
[2023-12-19 08:02:17,644 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 210 states, 119 states have (on average 1.3529411764705883) internal successors, (161), 119 states have internal predecessors, (161), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88)
[2023-12-19 08:02:17,651 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 337 transitions.
[2023-12-19 08:02:17,651 INFO  L78                 Accepts]: Start accepts. Automaton has 210 states and 337 transitions. Word has length 267
[2023-12-19 08:02:17,653 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-19 08:02:17,654 INFO  L495      AbstractCegarLoop]: Abstraction has 210 states and 337 transitions.
[2023-12-19 08:02:17,654 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44)
[2023-12-19 08:02:17,654 INFO  L276                IsEmpty]: Start isEmpty. Operand 210 states and 337 transitions.
[2023-12-19 08:02:17,658 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 268
[2023-12-19 08:02:17,658 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 08:02:17,658 INFO  L195           NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-19 08:02:17,669 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 08:02:17,865 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 08:02:17,866 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 08:02:17,866 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 08:02:17,866 INFO  L85        PathProgramCache]: Analyzing trace with hash 1425090728, now seen corresponding path program 1 times
[2023-12-19 08:02:17,866 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 08:02:17,866 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738066961]
[2023-12-19 08:02:17,867 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:02:17,867 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 08:02:17,899 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-19 08:02:17,900 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [87450593]
[2023-12-19 08:02:17,900 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:02:17,900 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 08:02:17,900 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 08:02:17,901 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 08:02:17,924 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 08:02:18,038 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 08:02:18,041 INFO  L262         TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-12-19 08:02:18,048 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-19 08:02:18,762 INFO  L134       CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked.
[2023-12-19 08:02:18,762 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-19 08:02:18,762 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-19 08:02:18,762 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738066961]
[2023-12-19 08:02:18,762 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-19 08:02:18,762 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87450593]
[2023-12-19 08:02:18,762 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [87450593] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-19 08:02:18,763 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-19 08:02:18,763 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-19 08:02:18,763 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467132537]
[2023-12-19 08:02:18,763 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-19 08:02:18,763 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-19 08:02:18,763 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-19 08:02:18,764 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-19 08:02:18,764 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-12-19 08:02:18,764 INFO  L87              Difference]: Start difference. First operand 210 states and 337 transitions. Second operand  has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44)
[2023-12-19 08:02:18,979 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-19 08:02:18,980 INFO  L93              Difference]: Finished difference Result 642 states and 1019 transitions.
[2023-12-19 08:02:18,981 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-19 08:02:18,981 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 267
[2023-12-19 08:02:18,981 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-19 08:02:18,986 INFO  L225             Difference]: With dead ends: 642
[2023-12-19 08:02:18,986 INFO  L226             Difference]: Without dead ends: 433
[2023-12-19 08:02:18,987 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2023-12-19 08:02:18,989 INFO  L413           NwaCegarLoop]: 168 mSDtfsCounter, 58 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-12-19 08:02:18,991 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 469 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-19 08:02:18,992 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 433 states.
[2023-12-19 08:02:19,066 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 428.
[2023-12-19 08:02:19,068 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 428 states, 241 states have (on average 1.3236514522821576) internal successors, (319), 242 states have internal predecessors, (319), 180 states have call successors, (180), 6 states have call predecessors, (180), 6 states have return successors, (180), 179 states have call predecessors, (180), 180 states have call successors, (180)
[2023-12-19 08:02:19,071 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 679 transitions.
[2023-12-19 08:02:19,071 INFO  L78                 Accepts]: Start accepts. Automaton has 428 states and 679 transitions. Word has length 267
[2023-12-19 08:02:19,072 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-19 08:02:19,072 INFO  L495      AbstractCegarLoop]: Abstraction has 428 states and 679 transitions.
[2023-12-19 08:02:19,073 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44)
[2023-12-19 08:02:19,073 INFO  L276                IsEmpty]: Start isEmpty. Operand 428 states and 679 transitions.
[2023-12-19 08:02:19,076 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 268
[2023-12-19 08:02:19,076 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 08:02:19,076 INFO  L195           NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-19 08:02:19,087 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-12-19 08:02:19,286 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 08:02:19,287 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 08:02:19,287 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 08:02:19,287 INFO  L85        PathProgramCache]: Analyzing trace with hash 615744102, now seen corresponding path program 1 times
[2023-12-19 08:02:19,287 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 08:02:19,288 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74099693]
[2023-12-19 08:02:19,288 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:02:19,288 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 08:02:19,323 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-19 08:02:19,324 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [923348405]
[2023-12-19 08:02:19,324 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:02:19,324 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 08:02:19,324 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 08:02:19,325 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-12-19 08:02:19,340 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-12-19 08:02:19,473 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 08:02:19,476 INFO  L262         TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 7 conjunts are in the unsatisfiable core
[2023-12-19 08:02:19,482 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-19 08:02:20,084 INFO  L134       CoverageAnalysis]: Checked inductivity of 3784 backedges. 675 proven. 117 refuted. 0 times theorem prover too weak. 2992 trivial. 0 not checked.
[2023-12-19 08:02:20,085 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-19 08:02:20,326 INFO  L134       CoverageAnalysis]: Checked inductivity of 3784 backedges. 12 proven. 117 refuted. 0 times theorem prover too weak. 3655 trivial. 0 not checked.
[2023-12-19 08:02:20,327 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-19 08:02:20,329 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74099693]
[2023-12-19 08:02:20,329 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-19 08:02:20,329 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923348405]
[2023-12-19 08:02:20,329 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [923348405] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-19 08:02:20,329 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-19 08:02:20,329 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10
[2023-12-19 08:02:20,329 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270940870]
[2023-12-19 08:02:20,329 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-19 08:02:20,330 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-12-19 08:02:20,330 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-19 08:02:20,331 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-12-19 08:02:20,332 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2023-12-19 08:02:20,332 INFO  L87              Difference]: Start difference. First operand 428 states and 679 transitions. Second operand  has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 4 states have call successors, (88), 3 states have call predecessors, (88), 5 states have return successors, (88), 4 states have call predecessors, (88), 4 states have call successors, (88)
[2023-12-19 08:02:20,830 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-19 08:02:20,830 INFO  L93              Difference]: Finished difference Result 944 states and 1468 transitions.
[2023-12-19 08:02:20,831 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2023-12-19 08:02:20,831 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 4 states have call successors, (88), 3 states have call predecessors, (88), 5 states have return successors, (88), 4 states have call predecessors, (88), 4 states have call successors, (88) Word has length 267
[2023-12-19 08:02:20,832 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-19 08:02:20,835 INFO  L225             Difference]: With dead ends: 944
[2023-12-19 08:02:20,835 INFO  L226             Difference]: Without dead ends: 611
[2023-12-19 08:02:20,837 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 536 GetRequests, 524 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182
[2023-12-19 08:02:20,840 INFO  L413           NwaCegarLoop]: 123 mSDtfsCounter, 251 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2023-12-19 08:02:20,840 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 490 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2023-12-19 08:02:20,842 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 611 states.
[2023-12-19 08:02:20,906 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 580.
[2023-12-19 08:02:20,907 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 580 states, 335 states have (on average 1.31044776119403) internal successors, (439), 338 states have internal predecessors, (439), 232 states have call successors, (232), 12 states have call predecessors, (232), 12 states have return successors, (232), 229 states have call predecessors, (232), 232 states have call successors, (232)
[2023-12-19 08:02:20,910 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 903 transitions.
[2023-12-19 08:02:20,911 INFO  L78                 Accepts]: Start accepts. Automaton has 580 states and 903 transitions. Word has length 267
[2023-12-19 08:02:20,913 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-19 08:02:20,913 INFO  L495      AbstractCegarLoop]: Abstraction has 580 states and 903 transitions.
[2023-12-19 08:02:20,914 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 4 states have call successors, (88), 3 states have call predecessors, (88), 5 states have return successors, (88), 4 states have call predecessors, (88), 4 states have call successors, (88)
[2023-12-19 08:02:20,914 INFO  L276                IsEmpty]: Start isEmpty. Operand 580 states and 903 transitions.
[2023-12-19 08:02:20,917 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 268
[2023-12-19 08:02:20,917 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 08:02:20,917 INFO  L195           NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-19 08:02:20,940 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2023-12-19 08:02:21,123 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 08:02:21,123 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 08:02:21,124 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 08:02:21,124 INFO  L85        PathProgramCache]: Analyzing trace with hash -1050981212, now seen corresponding path program 1 times
[2023-12-19 08:02:21,124 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 08:02:21,124 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809189476]
[2023-12-19 08:02:21,124 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:02:21,125 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 08:02:21,172 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-19 08:02:21,172 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1533374537]
[2023-12-19 08:02:21,172 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:02:21,172 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 08:02:21,173 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 08:02:21,185 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-12-19 08:02:21,216 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2023-12-19 08:02:21,331 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 08:02:21,335 INFO  L262         TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 35 conjunts are in the unsatisfiable core
[2023-12-19 08:02:21,344 INFO  L285         TraceCheckSpWp]: Computing forward predicates...