/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-33.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-20 19:08:31,450 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-20 19:08:31,507 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2023-12-20 19:08:31,511 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-20 19:08:31,512 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-20 19:08:31,537 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-20 19:08:31,537 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-20 19:08:31,538 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-20 19:08:31,538 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-20 19:08:31,541 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-20 19:08:31,542 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-20 19:08:31,542 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-20 19:08:31,542 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-20 19:08:31,543 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-20 19:08:31,543 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-20 19:08:31,544 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-20 19:08:31,544 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-20 19:08:31,544 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-20 19:08:31,544 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-20 19:08:31,544 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-20 19:08:31,544 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-20 19:08:31,545 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-20 19:08:31,545 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-20 19:08:31,545 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-20 19:08:31,545 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-20 19:08:31,545 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-20 19:08:31,545 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-20 19:08:31,545 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-20 19:08:31,546 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-20 19:08:31,546 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-20 19:08:31,547 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-20 19:08:31,547 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-20 19:08:31,547 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-20 19:08:31,547 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-20 19:08:31,547 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-20 19:08:31,547 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-20 19:08:31,547 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-12-20 19:08:31,548 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-20 19:08:31,548 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-20 19:08:31,548 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-20 19:08:31,548 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-20 19:08:31,548 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-20 19:08:31,548 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-20 19:08:31,548 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false
[2023-12-20 19:08:31,755 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-20 19:08:31,778 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-20 19:08:31,780 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-20 19:08:31,781 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-20 19:08:31,781 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-20 19:08:31,782 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-33.i
[2023-12-20 19:08:32,909 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-20 19:08:33,053 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-20 19:08:33,054 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-33.i
[2023-12-20 19:08:33,061 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d65fcd0be/170aea3158fd44c39a3537c3948ab3d0/FLAG4a134b366
[2023-12-20 19:08:33,070 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d65fcd0be/170aea3158fd44c39a3537c3948ab3d0
[2023-12-20 19:08:33,072 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-20 19:08:33,073 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-20 19:08:33,074 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-20 19:08:33,074 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-20 19:08:33,077 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-20 19:08:33,077 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 07:08:33" (1/1) ...
[2023-12-20 19:08:33,078 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ea46aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:08:33, skipping insertion in model container
[2023-12-20 19:08:33,078 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 07:08:33" (1/1) ...
[2023-12-20 19:08:33,099 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-20 19:08:33,190 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-100_file-33.i[916,929]
[2023-12-20 19:08:33,258 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-20 19:08:33,267 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-20 19:08:33,275 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-100_file-33.i[916,929]
[2023-12-20 19:08:33,305 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-20 19:08:33,317 INFO  L206         MainTranslator]: Completed translation
[2023-12-20 19:08:33,318 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:08:33 WrapperNode
[2023-12-20 19:08:33,318 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-20 19:08:33,319 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-20 19:08:33,319 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-20 19:08:33,319 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-20 19:08:33,323 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:08:33" (1/1) ...
[2023-12-20 19:08:33,333 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:08:33" (1/1) ...
[2023-12-20 19:08:33,391 INFO  L138                Inliner]: procedures = 26, calls = 69, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 312
[2023-12-20 19:08:33,394 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-20 19:08:33,395 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-20 19:08:33,395 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-20 19:08:33,395 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-20 19:08:33,404 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:08:33" (1/1) ...
[2023-12-20 19:08:33,404 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:08:33" (1/1) ...
[2023-12-20 19:08:33,408 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:08:33" (1/1) ...
[2023-12-20 19:08:33,450 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2023-12-20 19:08:33,451 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:08:33" (1/1) ...
[2023-12-20 19:08:33,451 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:08:33" (1/1) ...
[2023-12-20 19:08:33,475 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:08:33" (1/1) ...
[2023-12-20 19:08:33,478 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:08:33" (1/1) ...
[2023-12-20 19:08:33,482 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:08:33" (1/1) ...
[2023-12-20 19:08:33,484 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:08:33" (1/1) ...
[2023-12-20 19:08:33,496 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-20 19:08:33,497 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-20 19:08:33,497 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-20 19:08:33,497 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-20 19:08:33,497 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:08:33" (1/1) ...
[2023-12-20 19:08:33,501 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-20 19:08:33,508 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-20 19:08:33,533 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-12-20 19:08:33,554 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-12-20 19:08:33,557 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-20 19:08:33,557 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-20 19:08:33,558 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-20 19:08:33,558 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-12-20 19:08:33,558 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-20 19:08:33,558 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-20 19:08:33,640 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-20 19:08:33,643 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-20 19:08:33,977 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-20 19:08:34,005 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-20 19:08:34,005 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-20 19:08:34,005 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 07:08:34 BoogieIcfgContainer
[2023-12-20 19:08:34,005 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-20 19:08:34,007 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-20 19:08:34,007 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-20 19:08:34,009 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-20 19:08:34,009 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 07:08:33" (1/3) ...
[2023-12-20 19:08:34,010 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b72182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 07:08:34, skipping insertion in model container
[2023-12-20 19:08:34,010 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:08:33" (2/3) ...
[2023-12-20 19:08:34,010 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b72182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 07:08:34, skipping insertion in model container
[2023-12-20 19:08:34,010 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 07:08:34" (3/3) ...
[2023-12-20 19:08:34,012 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-33.i
[2023-12-20 19:08:34,023 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-20 19:08:34,024 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-20 19:08:34,069 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-20 19:08:34,073 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;@81ae0ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-20 19:08:34,074 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-20 19:08:34,076 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 132 states, 73 states have (on average 1.4657534246575343) internal successors, (107), 74 states have internal predecessors, (107), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56)
[2023-12-20 19:08:34,091 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 334
[2023-12-20 19:08:34,091 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 19:08:34,092 INFO  L195           NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 19:08:34,092 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 19:08:34,095 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 19:08:34,095 INFO  L85        PathProgramCache]: Analyzing trace with hash -1729952295, now seen corresponding path program 1 times
[2023-12-20 19:08:34,103 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 19:08:34,104 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557065402]
[2023-12-20 19:08:34,104 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 19:08:34,105 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 19:08:34,259 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 19:08:34,361 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 19:08:34,361 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557065402]
[2023-12-20 19:08:34,362 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic
[2023-12-20 19:08:34,362 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191807565]
[2023-12-20 19:08:34,362 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 19:08:34,362 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-20 19:08:34,362 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-20 19:08:34,374 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-12-20 19:08:34,375 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-12-20 19:08:34,581 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 19:08:34,587 INFO  L262         TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-20 19:08:34,604 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-20 19:08:34,670 INFO  L134       CoverageAnalysis]: Checked inductivity of 6160 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 6050 trivial. 0 not checked.
[2023-12-20 19:08:34,670 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-20 19:08:34,671 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [191807565] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 19:08:34,671 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 19:08:34,671 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-20 19:08:34,672 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629728064]
[2023-12-20 19:08:34,673 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 19:08:34,676 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-20 19:08:34,676 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 19:08:34,693 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-20 19:08:34,694 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-20 19:08:34,695 INFO  L87              Difference]: Start difference. First operand  has 132 states, 73 states have (on average 1.4657534246575343) internal successors, (107), 74 states have internal predecessors, (107), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand  has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 2 states have call successors, (56)
[2023-12-20 19:08:34,729 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 19:08:34,729 INFO  L93              Difference]: Finished difference Result 259 states and 488 transitions.
[2023-12-20 19:08:34,730 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-20 19:08:34,731 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 2 states have call successors, (56) Word has length 333
[2023-12-20 19:08:34,731 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 19:08:34,736 INFO  L225             Difference]: With dead ends: 259
[2023-12-20 19:08:34,736 INFO  L226             Difference]: Without dead ends: 128
[2023-12-20 19:08:34,739 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-20 19:08:34,741 INFO  L413           NwaCegarLoop]: 205 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, 205 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-20 19:08:34,742 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 205 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-20 19:08:34,751 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 128 states.
[2023-12-20 19:08:34,780 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128.
[2023-12-20 19:08:34,781 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 128 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 70 states have internal predecessors, (96), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56)
[2023-12-20 19:08:34,786 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 208 transitions.
[2023-12-20 19:08:34,787 INFO  L78                 Accepts]: Start accepts. Automaton has 128 states and 208 transitions. Word has length 333
[2023-12-20 19:08:34,788 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 19:08:34,788 INFO  L495      AbstractCegarLoop]: Abstraction has 128 states and 208 transitions.
[2023-12-20 19:08:34,788 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 2 states have call successors, (56)
[2023-12-20 19:08:34,788 INFO  L276                IsEmpty]: Start isEmpty. Operand 128 states and 208 transitions.
[2023-12-20 19:08:34,792 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 334
[2023-12-20 19:08:34,793 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 19:08:34,793 INFO  L195           NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 19:08:34,805 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-12-20 19:08:35,002 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2023-12-20 19:08:35,003 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 19:08:35,004 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 19:08:35,004 INFO  L85        PathProgramCache]: Analyzing trace with hash -2011045807, now seen corresponding path program 1 times
[2023-12-20 19:08:35,004 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 19:08:35,005 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651688260]
[2023-12-20 19:08:35,005 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 19:08:35,005 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 19:08:35,083 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-20 19:08:35,083 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1615330697]
[2023-12-20 19:08:35,084 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 19:08:35,088 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-20 19:08:35,088 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-20 19:08:35,089 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-12-20 19:08:35,108 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-12-20 19:08:35,243 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 19:08:35,246 INFO  L262         TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-12-20 19:08:35,254 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-20 19:08:35,511 INFO  L134       CoverageAnalysis]: Checked inductivity of 6160 backedges. 3129 proven. 78 refuted. 0 times theorem prover too weak. 2953 trivial. 0 not checked.
[2023-12-20 19:08:35,511 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-20 19:08:35,719 INFO  L134       CoverageAnalysis]: Checked inductivity of 6160 backedges. 87 proven. 78 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked.
[2023-12-20 19:08:35,720 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 19:08:35,720 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651688260]
[2023-12-20 19:08:35,720 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-20 19:08:35,720 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615330697]
[2023-12-20 19:08:35,720 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615330697] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-20 19:08:35,720 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-20 19:08:35,720 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8
[2023-12-20 19:08:35,721 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882119892]
[2023-12-20 19:08:35,721 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-20 19:08:35,722 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-12-20 19:08:35,722 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 19:08:35,723 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-12-20 19:08:35,723 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2023-12-20 19:08:35,723 INFO  L87              Difference]: Start difference. First operand 128 states and 208 transitions. Second operand  has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 3 states have call successors, (82), 2 states have call predecessors, (82), 4 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83)
[2023-12-20 19:08:35,964 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 19:08:35,965 INFO  L93              Difference]: Finished difference Result 261 states and 420 transitions.
[2023-12-20 19:08:35,965 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-12-20 19:08:35,965 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 3 states have call successors, (82), 2 states have call predecessors, (82), 4 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) Word has length 333
[2023-12-20 19:08:35,967 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 19:08:35,968 INFO  L225             Difference]: With dead ends: 261
[2023-12-20 19:08:35,968 INFO  L226             Difference]: Without dead ends: 134
[2023-12-20 19:08:35,969 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 668 GetRequests, 658 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132
[2023-12-20 19:08:35,969 INFO  L413           NwaCegarLoop]: 142 mSDtfsCounter, 105 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-12-20 19:08:35,970 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 313 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-20 19:08:35,970 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 134 states.
[2023-12-20 19:08:35,981 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 132.
[2023-12-20 19:08:35,981 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 132 states, 73 states have (on average 1.3424657534246576) internal successors, (98), 73 states have internal predecessors, (98), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56)
[2023-12-20 19:08:35,982 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 210 transitions.
[2023-12-20 19:08:35,982 INFO  L78                 Accepts]: Start accepts. Automaton has 132 states and 210 transitions. Word has length 333
[2023-12-20 19:08:35,984 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 19:08:35,984 INFO  L495      AbstractCegarLoop]: Abstraction has 132 states and 210 transitions.
[2023-12-20 19:08:35,984 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 3 states have call successors, (82), 2 states have call predecessors, (82), 4 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83)
[2023-12-20 19:08:35,984 INFO  L276                IsEmpty]: Start isEmpty. Operand 132 states and 210 transitions.
[2023-12-20 19:08:35,989 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 335
[2023-12-20 19:08:35,989 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 19:08:35,989 INFO  L195           NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-20 19:08:36,011 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2023-12-20 19:08:36,195 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1
[2023-12-20 19:08:36,195 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 19:08:36,196 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 19:08:36,196 INFO  L85        PathProgramCache]: Analyzing trace with hash 1914693073, now seen corresponding path program 1 times
[2023-12-20 19:08:36,196 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 19:08:36,196 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578092027]
[2023-12-20 19:08:36,196 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 19:08:36,196 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 19:08:36,234 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-20 19:08:36,235 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [509902736]
[2023-12-20 19:08:36,235 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 19:08:36,235 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-20 19:08:36,235 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-20 19:08:36,265 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-12-20 19:08:36,281 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-12-20 19:08:36,491 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 19:08:36,494 INFO  L262         TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 29 conjunts are in the unsatisfiable core
[2023-12-20 19:08:36,501 INFO  L285         TraceCheckSpWp]: Computing forward predicates...