/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_normal_file-56.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-20 19:01:38,879 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-20 19:01:38,947 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 19:01:38,951 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-20 19:01:38,952 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-20 19:01:38,966 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-20 19:01:38,966 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-20 19:01:38,967 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-20 19:01:38,967 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-20 19:01:38,967 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-20 19:01:38,967 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-20 19:01:38,968 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-20 19:01:38,968 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-20 19:01:38,968 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-20 19:01:38,969 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-20 19:01:38,969 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-20 19:01:38,969 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-20 19:01:38,969 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-20 19:01:38,969 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-20 19:01:38,970 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-20 19:01:38,970 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-20 19:01:38,970 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-20 19:01:38,970 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-20 19:01:38,971 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-20 19:01:38,971 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-20 19:01:38,971 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-20 19:01:38,971 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-20 19:01:38,971 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-20 19:01:38,972 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-20 19:01:38,972 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-20 19:01:38,972 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-20 19:01:38,972 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-20 19:01:38,972 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-20 19:01:38,972 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-20 19:01:38,973 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-20 19:01:38,973 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-20 19:01:38,973 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-12-20 19:01:38,973 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-20 19:01:38,973 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-20 19:01:38,973 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-20 19:01:38,973 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-20 19:01:38,973 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-20 19:01:38,974 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-20 19:01:38,974 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false
[2023-12-20 19:01:39,124 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-20 19:01:39,142 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-20 19:01:39,144 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-20 19:01:39,145 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-20 19:01:39,145 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-20 19:01:39,146 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-56.i
[2023-12-20 19:01:40,230 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-20 19:01:40,424 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-20 19:01:40,424 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-56.i
[2023-12-20 19:01:40,434 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92f189541/571f38be8a0c416ebb881c4af10c156d/FLAG0bad6444e
[2023-12-20 19:01:40,451 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92f189541/571f38be8a0c416ebb881c4af10c156d
[2023-12-20 19:01:40,453 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-20 19:01:40,454 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-20 19:01:40,455 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-20 19:01:40,455 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-20 19:01:40,459 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-20 19:01:40,459 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 07:01:40" (1/1) ...
[2023-12-20 19:01:40,460 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c62cba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:01:40, skipping insertion in model container
[2023-12-20 19:01:40,460 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 07:01:40" (1/1) ...
[2023-12-20 19:01:40,484 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-20 19:01:40,588 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_normal_file-56.i[913,926]
[2023-12-20 19:01:40,630 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-20 19:01:40,642 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-20 19:01:40,649 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_normal_file-56.i[913,926]
[2023-12-20 19:01:40,675 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-20 19:01:40,686 INFO  L206         MainTranslator]: Completed translation
[2023-12-20 19:01:40,687 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:01:40 WrapperNode
[2023-12-20 19:01:40,687 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-20 19:01:40,688 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-20 19:01:40,688 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-20 19:01:40,688 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-20 19:01:40,692 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:01:40" (1/1) ...
[2023-12-20 19:01:40,700 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:01:40" (1/1) ...
[2023-12-20 19:01:40,753 INFO  L138                Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133
[2023-12-20 19:01:40,753 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-20 19:01:40,754 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-20 19:01:40,754 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-20 19:01:40,754 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-20 19:01:40,761 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:01:40" (1/1) ...
[2023-12-20 19:01:40,762 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:01:40" (1/1) ...
[2023-12-20 19:01:40,777 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:01:40" (1/1) ...
[2023-12-20 19:01:40,803 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 19:01:40,803 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:01:40" (1/1) ...
[2023-12-20 19:01:40,803 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:01:40" (1/1) ...
[2023-12-20 19:01:40,820 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:01:40" (1/1) ...
[2023-12-20 19:01:40,822 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:01:40" (1/1) ...
[2023-12-20 19:01:40,833 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:01:40" (1/1) ...
[2023-12-20 19:01:40,835 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:01:40" (1/1) ...
[2023-12-20 19:01:40,842 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-20 19:01:40,843 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-20 19:01:40,843 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-20 19:01:40,843 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-20 19:01:40,844 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:01:40" (1/1) ...
[2023-12-20 19:01:40,848 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-20 19:01:40,855 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-20 19:01:40,865 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 19:01:40,883 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 19:01:40,889 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-20 19:01:40,889 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-20 19:01:40,889 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-20 19:01:40,889 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-12-20 19:01:40,889 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-20 19:01:40,889 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-20 19:01:40,972 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-20 19:01:40,975 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-20 19:01:41,430 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-20 19:01:41,532 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-20 19:01:41,532 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-20 19:01:41,532 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 07:01:41 BoogieIcfgContainer
[2023-12-20 19:01:41,533 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-20 19:01:41,534 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-20 19:01:41,534 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-20 19:01:41,536 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-20 19:01:41,537 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 07:01:40" (1/3) ...
[2023-12-20 19:01:41,537 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448b8fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 07:01:41, skipping insertion in model container
[2023-12-20 19:01:41,537 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 07:01:40" (2/3) ...
[2023-12-20 19:01:41,538 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448b8fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 07:01:41, skipping insertion in model container
[2023-12-20 19:01:41,538 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 07:01:41" (3/3) ...
[2023-12-20 19:01:41,539 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-56.i
[2023-12-20 19:01:41,563 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-20 19:01:41,563 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-20 19:01:41,607 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-20 19:01:41,613 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;@f990a94, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-20 19:01:41,613 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-20 19:01:41,617 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 56 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 32 states have internal predecessors, (43), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22)
[2023-12-20 19:01:41,629 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 136
[2023-12-20 19:01:41,630 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 19:01:41,630 INFO  L195           NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:01:41,631 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 19:01:41,634 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 19:01:41,635 INFO  L85        PathProgramCache]: Analyzing trace with hash 1117923083, now seen corresponding path program 1 times
[2023-12-20 19:01:41,641 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 19:01:41,641 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93014499]
[2023-12-20 19:01:41,641 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 19:01:41,642 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 19:01:41,715 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 19:01:41,765 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 19:01:41,765 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93014499]
[2023-12-20 19:01:41,765 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic
[2023-12-20 19:01:41,766 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539450673]
[2023-12-20 19:01:41,766 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 19:01:41,766 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-20 19:01:41,766 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-20 19:01:41,779 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 19:01:41,805 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 19:01:41,916 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 19:01:41,918 INFO  L262         TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-20 19:01:41,924 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-20 19:01:41,950 INFO  L134       CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked.
[2023-12-20 19:01:41,951 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-20 19:01:41,951 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539450673] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 19:01:41,951 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 19:01:41,951 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-20 19:01:41,953 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980425862]
[2023-12-20 19:01:41,953 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 19:01:41,956 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-20 19:01:41,957 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 19:01:41,974 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-20 19:01:41,975 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-20 19:01:41,976 INFO  L87              Difference]: Start difference. First operand  has 56 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 32 states have internal predecessors, (43), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand  has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22)
[2023-12-20 19:01:42,002 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 19:01:42,003 INFO  L93              Difference]: Finished difference Result 109 states and 194 transitions.
[2023-12-20 19:01:42,004 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-20 19:01:42,005 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 135
[2023-12-20 19:01:42,005 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 19:01:42,012 INFO  L225             Difference]: With dead ends: 109
[2023-12-20 19:01:42,013 INFO  L226             Difference]: Without dead ends: 54
[2023-12-20 19:01:42,016 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 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 19:01:42,020 INFO  L413           NwaCegarLoop]: 79 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, 79 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 19:01:42,021 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-20 19:01:42,033 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2023-12-20 19:01:42,055 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54.
[2023-12-20 19:01:42,056 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 30 states have internal predecessors, (38), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22)
[2023-12-20 19:01:42,062 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 82 transitions.
[2023-12-20 19:01:42,064 INFO  L78                 Accepts]: Start accepts. Automaton has 54 states and 82 transitions. Word has length 135
[2023-12-20 19:01:42,064 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 19:01:42,064 INFO  L495      AbstractCegarLoop]: Abstraction has 54 states and 82 transitions.
[2023-12-20 19:01:42,064 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22)
[2023-12-20 19:01:42,065 INFO  L276                IsEmpty]: Start isEmpty. Operand 54 states and 82 transitions.
[2023-12-20 19:01:42,073 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 136
[2023-12-20 19:01:42,073 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 19:01:42,073 INFO  L195           NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:01:42,081 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 19:01:42,279 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 19:01:42,279 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 19:01:42,281 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 19:01:42,281 INFO  L85        PathProgramCache]: Analyzing trace with hash -179739189, now seen corresponding path program 1 times
[2023-12-20 19:01:42,281 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 19:01:42,281 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178360422]
[2023-12-20 19:01:42,281 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 19:01:42,281 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 19:01:42,326 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-20 19:01:42,327 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [363937826]
[2023-12-20 19:01:42,327 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 19:01:42,327 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-20 19:01:42,327 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-20 19:01:42,328 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 19:01:42,385 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 19:01:42,443 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 19:01:42,446 INFO  L262         TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-20 19:01:42,452 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-20 19:01:42,541 INFO  L134       CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked.
[2023-12-20 19:01:42,542 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-20 19:01:42,542 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 19:01:42,542 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178360422]
[2023-12-20 19:01:42,542 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-20 19:01:42,542 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363937826]
[2023-12-20 19:01:42,542 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [363937826] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 19:01:42,542 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 19:01:42,543 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-20 19:01:42,543 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678526238]
[2023-12-20 19:01:42,543 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 19:01:42,543 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-20 19:01:42,544 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 19:01:42,544 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-20 19:01:42,544 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-20 19:01:42,544 INFO  L87              Difference]: Start difference. First operand 54 states and 82 transitions. Second operand  has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22)
[2023-12-20 19:01:42,592 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 19:01:42,592 INFO  L93              Difference]: Finished difference Result 107 states and 163 transitions.
[2023-12-20 19:01:42,593 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-20 19:01:42,593 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 135
[2023-12-20 19:01:42,593 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 19:01:42,594 INFO  L225             Difference]: With dead ends: 107
[2023-12-20 19:01:42,594 INFO  L226             Difference]: Without dead ends: 54
[2023-12-20 19:01:42,595 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-20 19:01:42,595 INFO  L413           NwaCegarLoop]: 75 mSDtfsCounter, 5 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-20 19:01:42,596 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 142 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-20 19:01:42,596 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2023-12-20 19:01:42,600 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54.
[2023-12-20 19:01:42,600 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22)
[2023-12-20 19:01:42,601 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 81 transitions.
[2023-12-20 19:01:42,601 INFO  L78                 Accepts]: Start accepts. Automaton has 54 states and 81 transitions. Word has length 135
[2023-12-20 19:01:42,602 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 19:01:42,602 INFO  L495      AbstractCegarLoop]: Abstraction has 54 states and 81 transitions.
[2023-12-20 19:01:42,602 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22)
[2023-12-20 19:01:42,602 INFO  L276                IsEmpty]: Start isEmpty. Operand 54 states and 81 transitions.
[2023-12-20 19:01:42,603 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 136
[2023-12-20 19:01:42,603 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 19:01:42,603 INFO  L195           NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:01:42,609 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-12-20 19:01:42,804 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 19:01:42,805 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 19:01:42,805 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 19:01:42,805 INFO  L85        PathProgramCache]: Analyzing trace with hash -181586231, now seen corresponding path program 1 times
[2023-12-20 19:01:42,806 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 19:01:42,806 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342153287]
[2023-12-20 19:01:42,806 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 19:01:42,806 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 19:01:42,843 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-20 19:01:42,843 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1833258695]
[2023-12-20 19:01:42,843 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 19:01:42,843 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-20 19:01:42,844 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-20 19:01:42,850 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 19:01:42,877 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 19:01:42,968 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 19:01:42,970 INFO  L262         TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 7 conjunts are in the unsatisfiable core
[2023-12-20 19:01:42,976 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-20 19:01:43,048 INFO  L134       CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked.
[2023-12-20 19:01:43,049 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-20 19:01:43,049 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 19:01:43,049 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342153287]
[2023-12-20 19:01:43,049 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-20 19:01:43,049 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833258695]
[2023-12-20 19:01:43,049 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833258695] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-20 19:01:43,049 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-20 19:01:43,050 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-20 19:01:43,050 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699512494]
[2023-12-20 19:01:43,050 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-20 19:01:43,050 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-20 19:01:43,050 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 19:01:43,051 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-20 19:01:43,051 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-12-20 19:01:43,051 INFO  L87              Difference]: Start difference. First operand 54 states and 81 transitions. Second operand  has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22)
[2023-12-20 19:01:43,149 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 19:01:43,149 INFO  L93              Difference]: Finished difference Result 175 states and 249 transitions.
[2023-12-20 19:01:43,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-12-20 19:01:43,150 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 135
[2023-12-20 19:01:43,150 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 19:01:43,152 INFO  L225             Difference]: With dead ends: 175
[2023-12-20 19:01:43,152 INFO  L226             Difference]: Without dead ends: 122
[2023-12-20 19:01:43,152 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2023-12-20 19:01:43,153 INFO  L413           NwaCegarLoop]: 85 mSDtfsCounter, 128 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-20 19:01:43,153 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 294 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-20 19:01:43,154 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 122 states.
[2023-12-20 19:01:43,161 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 79.
[2023-12-20 19:01:43,162 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 79 states, 50 states have (on average 1.28) internal successors, (64), 51 states have internal predecessors, (64), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26)
[2023-12-20 19:01:43,162 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 116 transitions.
[2023-12-20 19:01:43,162 INFO  L78                 Accepts]: Start accepts. Automaton has 79 states and 116 transitions. Word has length 135
[2023-12-20 19:01:43,163 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 19:01:43,163 INFO  L495      AbstractCegarLoop]: Abstraction has 79 states and 116 transitions.
[2023-12-20 19:01:43,163 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22)
[2023-12-20 19:01:43,163 INFO  L276                IsEmpty]: Start isEmpty. Operand 79 states and 116 transitions.
[2023-12-20 19:01:43,164 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 136
[2023-12-20 19:01:43,164 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 19:01:43,164 INFO  L195           NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:01:43,186 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-12-20 19:01:43,370 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
[2023-12-20 19:01:43,370 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 19:01:43,371 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 19:01:43,371 INFO  L85        PathProgramCache]: Analyzing trace with hash 1593421131, now seen corresponding path program 1 times
[2023-12-20 19:01:43,371 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 19:01:43,371 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981684216]
[2023-12-20 19:01:43,371 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 19:01:43,371 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 19:01:43,392 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-20 19:01:43,395 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [722897711]
[2023-12-20 19:01:43,395 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 19:01:43,395 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-20 19:01:43,395 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-20 19:01:43,410 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)
[2023-12-20 19:01:43,411 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-12-20 19:01:43,479 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 19:01:43,481 INFO  L262         TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-12-20 19:01:43,484 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-20 19:01:43,599 INFO  L134       CoverageAnalysis]: Checked inductivity of 924 backedges. 301 proven. 51 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked.
[2023-12-20 19:01:43,600 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-20 19:01:43,743 INFO  L134       CoverageAnalysis]: Checked inductivity of 924 backedges. 12 proven. 51 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked.
[2023-12-20 19:01:43,743 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-20 19:01:43,743 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981684216]
[2023-12-20 19:01:43,743 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-20 19:01:43,744 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722897711]
[2023-12-20 19:01:43,744 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [722897711] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-20 19:01:43,744 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-20 19:01:43,744 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2023-12-20 19:01:43,744 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919398912]
[2023-12-20 19:01:43,744 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-20 19:01:43,745 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-12-20 19:01:43,745 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-20 19:01:43,746 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-12-20 19:01:43,748 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2023-12-20 19:01:43,748 INFO  L87              Difference]: Start difference. First operand 79 states and 116 transitions. Second operand  has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40)
[2023-12-20 19:01:43,939 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-20 19:01:43,940 INFO  L93              Difference]: Finished difference Result 165 states and 238 transitions.
[2023-12-20 19:01:43,940 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-12-20 19:01:43,940 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 135
[2023-12-20 19:01:43,941 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-20 19:01:43,944 INFO  L225             Difference]: With dead ends: 165
[2023-12-20 19:01:43,945 INFO  L226             Difference]: Without dead ends: 84
[2023-12-20 19:01:43,945 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 262 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110
[2023-12-20 19:01:43,946 INFO  L413           NwaCegarLoop]: 51 mSDtfsCounter, 44 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-20 19:01:43,947 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 108 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-20 19:01:43,947 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 84 states.
[2023-12-20 19:01:43,970 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80.
[2023-12-20 19:01:43,970 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 80 states, 50 states have (on average 1.2) internal successors, (60), 51 states have internal predecessors, (60), 26 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26)
[2023-12-20 19:01:43,971 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 112 transitions.
[2023-12-20 19:01:43,971 INFO  L78                 Accepts]: Start accepts. Automaton has 80 states and 112 transitions. Word has length 135
[2023-12-20 19:01:43,971 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-20 19:01:43,972 INFO  L495      AbstractCegarLoop]: Abstraction has 80 states and 112 transitions.
[2023-12-20 19:01:43,972 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40)
[2023-12-20 19:01:43,972 INFO  L276                IsEmpty]: Start isEmpty. Operand 80 states and 112 transitions.
[2023-12-20 19:01:43,973 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 136
[2023-12-20 19:01:43,973 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-20 19:01:43,973 INFO  L195           NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:01:43,980 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2023-12-20 19:01:44,180 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
[2023-12-20 19:01:44,181 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-20 19:01:44,181 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-20 19:01:44,181 INFO  L85        PathProgramCache]: Analyzing trace with hash -574613241, now seen corresponding path program 1 times
[2023-12-20 19:01:44,181 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-20 19:01:44,182 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774094523]
[2023-12-20 19:01:44,182 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 19:01:44,182 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-20 19:01:44,202 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-20 19:01:44,203 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1407787717]
[2023-12-20 19:01:44,203 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-20 19:01:44,203 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-20 19:01:44,203 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-20 19:01:44,205 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)
[2023-12-20 19:01:44,237 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2023-12-20 19:01:44,433 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-20 19:01:44,435 INFO  L262         TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 69 conjunts are in the unsatisfiable core
[2023-12-20 19:01:44,440 INFO  L285         TraceCheckSpWp]: Computing forward predicates...