/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-64.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 12:23:21,132 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 12:23:21,205 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-03 12:23:21,209 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 12:23:21,209 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 12:23:21,229 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 12:23:21,230 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 12:23:21,230 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 12:23:21,231 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 12:23:21,231 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 12:23:21,232 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 12:23:21,232 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 12:23:21,232 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 12:23:21,233 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 12:23:21,233 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 12:23:21,234 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 12:23:21,234 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 12:23:21,234 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 12:23:21,235 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 12:23:21,235 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 12:23:21,238 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 12:23:21,243 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 12:23:21,243 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 12:23:21,243 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 12:23:21,244 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 12:23:21,244 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 12:23:21,244 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 12:23:21,244 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 12:23:21,244 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 12:23:21,245 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 12:23:21,245 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 12:23:21,246 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 12:23:21,246 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 12:23:21,246 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 12:23:21,246 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:23:21,247 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 12:23:21,247 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 12:23:21,247 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 12:23:21,247 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 12:23:21,247 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 12:23:21,248 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 12:23:21,248 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 12:23:21,248 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 12:23:21,248 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 12:23:21,248 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 12:23:21,488 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 12:23:21,511 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 12:23:21,516 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 12:23:21,517 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 12:23:21,517 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 12:23:21,519 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-64.i
[2024-11-03 12:23:23,157 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 12:23:23,353 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 12:23:23,354 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-64.i
[2024-11-03 12:23:23,364 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4516a7039/0699cc079751429796c6de42c60fbda5/FLAGc8b6abac9
[2024-11-03 12:23:23,721 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4516a7039/0699cc079751429796c6de42c60fbda5
[2024-11-03 12:23:23,724 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 12:23:23,725 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 12:23:23,727 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 12:23:23,727 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 12:23:23,733 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 12:23:23,734 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:23:23" (1/1) ...
[2024-11-03 12:23:23,735 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47378913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:23, skipping insertion in model container
[2024-11-03 12:23:23,735 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:23:23" (1/1) ...
[2024-11-03 12:23:23,769 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 12:23:23,957 WARN  L250   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_floatingpointinfluence_no-floats_file-64.i[916,929]
[2024-11-03 12:23:24,006 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:23:24,023 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 12:23:24,035 WARN  L250   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_floatingpointinfluence_no-floats_file-64.i[916,929]
[2024-11-03 12:23:24,056 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:23:24,078 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 12:23:24,079 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:24 WrapperNode
[2024-11-03 12:23:24,079 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 12:23:24,081 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 12:23:24,081 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 12:23:24,081 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 12:23:24,087 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:24" (1/1) ...
[2024-11-03 12:23:24,099 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:24" (1/1) ...
[2024-11-03 12:23:24,126 INFO  L138                Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126
[2024-11-03 12:23:24,127 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 12:23:24,128 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 12:23:24,128 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 12:23:24,129 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 12:23:24,138 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:24" (1/1) ...
[2024-11-03 12:23:24,138 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:24" (1/1) ...
[2024-11-03 12:23:24,142 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:24" (1/1) ...
[2024-11-03 12:23:24,160 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].
[2024-11-03 12:23:24,161 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:24" (1/1) ...
[2024-11-03 12:23:24,161 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:24" (1/1) ...
[2024-11-03 12:23:24,169 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:24" (1/1) ...
[2024-11-03 12:23:24,173 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:24" (1/1) ...
[2024-11-03 12:23:24,175 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:24" (1/1) ...
[2024-11-03 12:23:24,177 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:24" (1/1) ...
[2024-11-03 12:23:24,180 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 12:23:24,182 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 12:23:24,182 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 12:23:24,182 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 12:23:24,183 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:24" (1/1) ...
[2024-11-03 12:23:24,197 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:23:24,211 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 12:23:24,231 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)
[2024-11-03 12:23:24,235 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
[2024-11-03 12:23:24,260 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 12:23:24,260 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 12:23:24,261 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 12:23:24,261 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 12:23:24,261 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 12:23:24,261 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 12:23:24,334 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 12:23:24,336 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 12:23:24,740 INFO  L?                        ?]: Removed 14 outVars from TransFormulas that were not future-live.
[2024-11-03 12:23:24,741 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 12:23:24,756 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 12:23:24,756 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 12:23:24,757 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:23:24 BoogieIcfgContainer
[2024-11-03 12:23:24,757 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 12:23:24,760 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 12:23:24,760 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 12:23:24,763 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 12:23:24,764 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:23:23" (1/3) ...
[2024-11-03 12:23:24,765 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b76bfac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:23:24, skipping insertion in model container
[2024-11-03 12:23:24,765 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:23:24" (2/3) ...
[2024-11-03 12:23:24,765 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b76bfac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:23:24, skipping insertion in model container
[2024-11-03 12:23:24,765 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:23:24" (3/3) ...
[2024-11-03 12:23:24,767 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-64.i
[2024-11-03 12:23:24,783 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 12:23:24,784 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 12:23:24,846 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 12:23:24,853 INFO  L333      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, 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;@7ea82800, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 12:23:24,854 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 12:23:24,860 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 63 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-03 12:23:24,901 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 146
[2024-11-03 12:23:24,906 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:23:24,908 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 12:23:24,908 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:23:24,929 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:23:24,930 INFO  L85        PathProgramCache]: Analyzing trace with hash -766407730, now seen corresponding path program 1 times
[2024-11-03 12:23:24,952 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:23:24,953 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [130208514]
[2024-11-03 12:23:24,953 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:23:24,961 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:23:24,964 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:23:24,972 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 12:23:25,003 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 12:23:25,185 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:23:25,187 INFO  L255         TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 12:23:25,203 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:23:25,269 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked.
[2024-11-03 12:23:25,269 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:23:25,472 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked.
[2024-11-03 12:23:25,473 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:23:25,473 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [130208514]
[2024-11-03 12:23:25,474 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [130208514] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:23:25,475 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:23:25,476 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 12:23:25,477 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416216726]
[2024-11-03 12:23:25,478 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:23:25,484 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 12:23:25,484 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:23:25,508 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 12:23:25,509 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 12:23:25,511 INFO  L87              Difference]: Start difference. First operand  has 63 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand  has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24)
[2024-11-03 12:23:25,545 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:23:25,545 INFO  L93              Difference]: Finished difference Result 119 states and 212 transitions.
[2024-11-03 12:23:25,547 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 12:23:25,549 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 145
[2024-11-03 12:23:25,549 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:23:25,559 INFO  L225             Difference]: With dead ends: 119
[2024-11-03 12:23:25,559 INFO  L226             Difference]: Without dead ends: 59
[2024-11-03 12:23:25,564 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 12:23:25,570 INFO  L432           NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-03 12:23:25,571 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 12:23:25,588 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 59 states.
[2024-11-03 12:23:25,616 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59.
[2024-11-03 12:23:25,619 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 59 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-03 12:23:25,622 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 89 transitions.
[2024-11-03 12:23:25,626 INFO  L78                 Accepts]: Start accepts. Automaton has 59 states and 89 transitions. Word has length 145
[2024-11-03 12:23:25,626 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:23:25,626 INFO  L471      AbstractCegarLoop]: Abstraction has 59 states and 89 transitions.
[2024-11-03 12:23:25,627 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24)
[2024-11-03 12:23:25,627 INFO  L276                IsEmpty]: Start isEmpty. Operand 59 states and 89 transitions.
[2024-11-03 12:23:25,634 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 146
[2024-11-03 12:23:25,635 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:23:25,635 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 12:23:25,639 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Forceful destruction successful, exit code 0
[2024-11-03 12:23:25,839 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:23:25,840 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:23:25,841 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:23:25,841 INFO  L85        PathProgramCache]: Analyzing trace with hash 1694646600, now seen corresponding path program 1 times
[2024-11-03 12:23:25,841 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:23:25,841 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2039476643]
[2024-11-03 12:23:25,841 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:23:25,842 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:23:25,842 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:23:25,843 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 12:23:25,844 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 12:23:25,978 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:23:25,981 INFO  L255         TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 14 conjuncts are in the unsatisfiable core
[2024-11-03 12:23:26,001 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:23:34,171 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked.
[2024-11-03 12:23:34,172 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:23:48,412 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked.
[2024-11-03 12:23:48,412 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:23:48,412 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2039476643]
[2024-11-03 12:23:48,413 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [2039476643] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:23:48,413 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:23:48,413 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16
[2024-11-03 12:23:48,413 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083674416]
[2024-11-03 12:23:48,413 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:23:48,415 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-11-03 12:23:48,415 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:23:48,417 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-11-03 12:23:48,417 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240
[2024-11-03 12:23:48,417 INFO  L87              Difference]: Start difference. First operand 59 states and 89 transitions. Second operand  has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48)
[2024-11-03 12:23:52,588 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:23:52,589 INFO  L93              Difference]: Finished difference Result 211 states and 314 transitions.
[2024-11-03 12:23:52,593 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2024-11-03 12:23:52,594 INFO  L78                 Accepts]: Start accepts. Automaton has  has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 145
[2024-11-03 12:23:52,595 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:23:52,598 INFO  L225             Difference]: With dead ends: 211
[2024-11-03 12:23:52,598 INFO  L226             Difference]: Without dead ends: 155
[2024-11-03 12:23:52,600 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506
[2024-11-03 12:23:52,601 INFO  L432           NwaCegarLoop]: 76 mSDtfsCounter, 146 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-11-03 12:23:52,601 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 567 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-11-03 12:23:52,602 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 155 states.
[2024-11-03 12:23:52,648 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 117.
[2024-11-03 12:23:52,649 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 117 states, 66 states have (on average 1.2575757575757576) internal successors, (83), 66 states have internal predecessors, (83), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48)
[2024-11-03 12:23:52,651 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 179 transitions.
[2024-11-03 12:23:52,652 INFO  L78                 Accepts]: Start accepts. Automaton has 117 states and 179 transitions. Word has length 145
[2024-11-03 12:23:52,652 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:23:52,652 INFO  L471      AbstractCegarLoop]: Abstraction has 117 states and 179 transitions.
[2024-11-03 12:23:52,653 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48)
[2024-11-03 12:23:52,657 INFO  L276                IsEmpty]: Start isEmpty. Operand 117 states and 179 transitions.
[2024-11-03 12:23:52,659 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 147
[2024-11-03 12:23:52,660 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:23:52,660 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 12:23:52,682 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0
[2024-11-03 12:23:52,866 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:23:52,867 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:23:52,868 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:23:52,868 INFO  L85        PathProgramCache]: Analyzing trace with hash 760723816, now seen corresponding path program 1 times
[2024-11-03 12:23:52,868 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:23:52,868 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [654525753]
[2024-11-03 12:23:52,869 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:23:52,869 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:23:52,869 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:23:52,873 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 12:23:52,874 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 12:23:52,936 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:23:52,939 INFO  L255         TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-03 12:23:52,947 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:23:53,051 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 465 proven. 18 refuted. 0 times theorem prover too weak. 621 trivial. 0 not checked.
[2024-11-03 12:23:53,052 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:23:53,263 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 51 proven. 18 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked.
[2024-11-03 12:23:53,263 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:23:53,263 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [654525753]
[2024-11-03 12:23:53,264 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [654525753] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 12:23:53,264 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 12:23:53,264 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2024-11-03 12:23:53,264 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467916331]
[2024-11-03 12:23:53,264 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 12:23:53,265 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-03 12:23:53,265 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:23:53,266 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-03 12:23:53,267 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-03 12:23:53,267 INFO  L87              Difference]: Start difference. First operand 117 states and 179 transitions. Second operand  has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31)
[2024-11-03 12:23:53,930 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:23:53,931 INFO  L93              Difference]: Finished difference Result 198 states and 294 transitions.
[2024-11-03 12:23:53,931 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-03 12:23:53,932 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 146
[2024-11-03 12:23:53,933 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:23:53,935 INFO  L225             Difference]: With dead ends: 198
[2024-11-03 12:23:53,935 INFO  L226             Difference]: Without dead ends: 131
[2024-11-03 12:23:53,936 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 284 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110
[2024-11-03 12:23:53,937 INFO  L432           NwaCegarLoop]: 89 mSDtfsCounter, 69 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-03 12:23:53,937 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 203 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-03 12:23:53,938 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 131 states.
[2024-11-03 12:23:53,965 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 123.
[2024-11-03 12:23:53,966 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 123 states, 70 states have (on average 1.1857142857142857) internal successors, (83), 70 states have internal predecessors, (83), 48 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48)
[2024-11-03 12:23:53,968 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 179 transitions.
[2024-11-03 12:23:53,968 INFO  L78                 Accepts]: Start accepts. Automaton has 123 states and 179 transitions. Word has length 146
[2024-11-03 12:23:53,969 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:23:53,969 INFO  L471      AbstractCegarLoop]: Abstraction has 123 states and 179 transitions.
[2024-11-03 12:23:53,969 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31)
[2024-11-03 12:23:53,970 INFO  L276                IsEmpty]: Start isEmpty. Operand 123 states and 179 transitions.
[2024-11-03 12:23:53,977 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 147
[2024-11-03 12:23:53,977 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:23:53,977 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 12:23:53,982 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0
[2024-11-03 12:23:54,178 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:23:54,179 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:23:54,179 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:23:54,179 INFO  L85        PathProgramCache]: Analyzing trace with hash 2124128555, now seen corresponding path program 1 times
[2024-11-03 12:23:54,180 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:23:54,180 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [116606768]
[2024-11-03 12:23:54,180 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:23:54,180 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:23:54,181 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:23:54,182 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 12:23:54,183 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process
[2024-11-03 12:23:54,237 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:23:54,239 INFO  L255         TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-11-03 12:23:54,244 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:24:02,496 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked.
[2024-11-03 12:24:02,497 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:24:42,917 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked.
[2024-11-03 12:24:42,918 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:24:42,918 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [116606768]
[2024-11-03 12:24:42,918 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [116606768] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:24:42,918 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:24:42,919 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 14
[2024-11-03 12:24:42,919 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894537455]
[2024-11-03 12:24:42,919 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:24:42,920 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-03 12:24:42,920 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:24:42,921 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-03 12:24:42,921 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182
[2024-11-03 12:24:42,922 INFO  L87              Difference]: Start difference. First operand 123 states and 179 transitions. Second operand  has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 14 states have internal predecessors, (57), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48)
[2024-11-03 12:24:55,898 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:24:55,899 INFO  L93              Difference]: Finished difference Result 245 states and 349 transitions.
[2024-11-03 12:24:55,903 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-11-03 12:24:55,903 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 14 states have internal predecessors, (57), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 146
[2024-11-03 12:24:55,904 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:24:55,906 INFO  L225             Difference]: With dead ends: 245
[2024-11-03 12:24:55,906 INFO  L226             Difference]: Without dead ends: 176
[2024-11-03 12:24:55,908 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380
[2024-11-03 12:24:55,909 INFO  L432           NwaCegarLoop]: 98 mSDtfsCounter, 76 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time
[2024-11-03 12:24:55,909 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 648 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time]
[2024-11-03 12:24:55,910 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 176 states.
[2024-11-03 12:24:55,936 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 143.
[2024-11-03 12:24:55,937 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 143 states, 87 states have (on average 1.206896551724138) internal successors, (105), 88 states have internal predecessors, (105), 50 states have call successors, (50), 5 states have call predecessors, (50), 5 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50)
[2024-11-03 12:24:55,938 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 205 transitions.
[2024-11-03 12:24:55,939 INFO  L78                 Accepts]: Start accepts. Automaton has 143 states and 205 transitions. Word has length 146
[2024-11-03 12:24:55,940 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:24:55,940 INFO  L471      AbstractCegarLoop]: Abstraction has 143 states and 205 transitions.
[2024-11-03 12:24:55,940 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 14 states have internal predecessors, (57), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48)
[2024-11-03 12:24:55,941 INFO  L276                IsEmpty]: Start isEmpty. Operand 143 states and 205 transitions.
[2024-11-03 12:24:55,943 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 148
[2024-11-03 12:24:55,943 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:24:55,943 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 12:24:55,949 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0
[2024-11-03 12:24:56,144 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:24:56,145 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:24:56,145 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:24:56,146 INFO  L85        PathProgramCache]: Analyzing trace with hash -1793484961, now seen corresponding path program 1 times
[2024-11-03 12:24:56,146 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:24:56,146 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [817259760]
[2024-11-03 12:24:56,146 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:24:56,146 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:24:56,147 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:24:56,148 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 12:24:56,150 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process
[2024-11-03 12:24:56,222 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:24:56,224 INFO  L255         TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 14 conjuncts are in the unsatisfiable core
[2024-11-03 12:24:56,228 INFO  L278         TraceCheckSpWp]: Computing forward predicates...