/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-76.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 12:24:48,823 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 12:24:48,871 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 12:24:48,874 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 12:24:48,875 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 12:24:48,906 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 12:24:48,906 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 12:24:48,906 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 12:24:48,907 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 12:24:48,907 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 12:24:48,908 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 12:24:48,908 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 12:24:48,909 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 12:24:48,909 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 12:24:48,910 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 12:24:48,910 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 12:24:48,910 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 12:24:48,911 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 12:24:48,911 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 12:24:48,911 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 12:24:48,912 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 12:24:48,915 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 12:24:48,915 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 12:24:48,916 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 12:24:48,916 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 12:24:48,916 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 12:24:48,917 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 12:24:48,917 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 12:24:48,917 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 12:24:48,917 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 12:24:48,918 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 12:24:48,918 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 12:24:48,918 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 12:24:48,918 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 12:24:48,919 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:24:48,922 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 12:24:48,922 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 12:24:48,922 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 12:24:48,923 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 12:24:48,923 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 12:24:48,923 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 12:24:48,924 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 12:24:48,924 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 12:24:48,924 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 12:24:48,925 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 12:24:49,170 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 12:24:49,195 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 12:24:49,199 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 12:24:49,200 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 12:24:49,200 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 12:24:49,202 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-76.i
[2024-11-03 12:24:50,891 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 12:24:51,126 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 12:24:51,126 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-76.i
[2024-11-03 12:24:51,133 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a58faa69/0ccce44a36a447c9b19fd28db0ec0e94/FLAGde1069d84
[2024-11-03 12:24:51,146 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a58faa69/0ccce44a36a447c9b19fd28db0ec0e94
[2024-11-03 12:24:51,148 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 12:24:51,150 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 12:24:51,151 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 12:24:51,151 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 12:24:51,156 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 12:24:51,157 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:24:51" (1/1) ...
[2024-11-03 12:24:51,158 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39104bab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:24:51, skipping insertion in model container
[2024-11-03 12:24:51,158 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:24:51" (1/1) ...
[2024-11-03 12:24:51,186 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 12:24:51,368 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-76.i[916,929]
[2024-11-03 12:24:51,422 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:24:51,441 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 12:24:51,455 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-76.i[916,929]
[2024-11-03 12:24:51,478 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:24:51,506 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 12:24:51,507 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:24:51 WrapperNode
[2024-11-03 12:24:51,507 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 12:24:51,508 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 12:24:51,508 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 12:24:51,509 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 12:24:51,517 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:24:51" (1/1) ...
[2024-11-03 12:24:51,527 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:24:51" (1/1) ...
[2024-11-03 12:24:51,554 INFO  L138                Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107
[2024-11-03 12:24:51,557 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 12:24:51,558 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 12:24:51,558 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 12:24:51,558 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 12:24:51,572 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:24:51" (1/1) ...
[2024-11-03 12:24:51,572 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:24:51" (1/1) ...
[2024-11-03 12:24:51,579 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:24:51" (1/1) ...
[2024-11-03 12:24:51,591 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 12:24:51,591 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:24:51" (1/1) ...
[2024-11-03 12:24:51,591 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:24:51" (1/1) ...
[2024-11-03 12:24:51,598 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:24:51" (1/1) ...
[2024-11-03 12:24:51,600 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:24:51" (1/1) ...
[2024-11-03 12:24:51,602 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:24:51" (1/1) ...
[2024-11-03 12:24:51,603 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:24:51" (1/1) ...
[2024-11-03 12:24:51,606 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 12:24:51,607 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 12:24:51,607 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 12:24:51,607 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 12:24:51,607 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:24:51" (1/1) ...
[2024-11-03 12:24:51,616 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:24:51,626 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 12:24:51,647 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 12:24:51,651 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 12:24:51,676 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 12:24:51,677 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 12:24:51,677 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 12:24:51,677 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 12:24:51,678 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 12:24:51,678 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 12:24:51,756 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 12:24:51,758 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 12:24:55,234 INFO  L?                        ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-11-03 12:24:55,234 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 12:24:55,261 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 12:24:55,262 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 12:24:55,262 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:24:55 BoogieIcfgContainer
[2024-11-03 12:24:55,262 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 12:24:55,275 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 12:24:55,276 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 12:24:55,279 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 12:24:55,279 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:24:51" (1/3) ...
[2024-11-03 12:24:55,284 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f3ee071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:24:55, skipping insertion in model container
[2024-11-03 12:24:55,284 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:24:51" (2/3) ...
[2024-11-03 12:24:55,285 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f3ee071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:24:55, skipping insertion in model container
[2024-11-03 12:24:55,285 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:24:55" (3/3) ...
[2024-11-03 12:24:55,287 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-76.i
[2024-11-03 12:24:55,324 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 12:24:55,324 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 12:24:55,503 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 12:24:55,511 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;@63657f19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 12:24:55,511 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 12:24:55,517 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 52 states, 33 states have (on average 1.393939393939394) internal successors, (46), 34 states have internal predecessors, (46), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-03 12:24:55,527 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2024-11-03 12:24:55,528 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:24:55,529 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:55,529 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:24:55,534 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:24:55,538 INFO  L85        PathProgramCache]: Analyzing trace with hash -882179527, now seen corresponding path program 1 times
[2024-11-03 12:24:55,550 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:24:55,551 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1223515584]
[2024-11-03 12:24:55,551 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:24:55,554 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:24:55,554 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:24:55,558 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 12:24:55,560 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 12:24:55,667 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:24:55,671 INFO  L255         TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 12:24:55,678 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:24:55,712 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-03 12:24:55,712 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:24:55,887 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-03 12:24:55,889 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:24:55,889 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1223515584]
[2024-11-03 12:24:55,893 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1223515584] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:24:55,893 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:24:55,893 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 12:24:55,895 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698692470]
[2024-11-03 12:24:55,895 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:24:55,903 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 12:24:55,904 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:24:55,929 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 12:24:55,932 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 12:24:55,934 INFO  L87              Difference]: Start difference. First operand  has 52 states, 33 states have (on average 1.393939393939394) internal successors, (46), 34 states have internal predecessors, (46), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand  has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-03 12:24:55,957 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:24:55,958 INFO  L93              Difference]: Finished difference Result 97 states and 166 transitions.
[2024-11-03 12:24:55,960 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 12:24:55,962 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 102
[2024-11-03 12:24:55,962 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:24:55,968 INFO  L225             Difference]: With dead ends: 97
[2024-11-03 12:24:55,968 INFO  L226             Difference]: Without dead ends: 48
[2024-11-03 12:24:55,975 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 202 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 12:24:55,978 INFO  L432           NwaCegarLoop]: 70 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, 70 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 12:24:55,978 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 12:24:55,992 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 48 states.
[2024-11-03 12:24:56,007 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48.
[2024-11-03 12:24:56,009 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 48 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 30 states have internal predecessors, (38), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-03 12:24:56,010 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 70 transitions.
[2024-11-03 12:24:56,011 INFO  L78                 Accepts]: Start accepts. Automaton has 48 states and 70 transitions. Word has length 102
[2024-11-03 12:24:56,012 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:24:56,012 INFO  L471      AbstractCegarLoop]: Abstraction has 48 states and 70 transitions.
[2024-11-03 12:24:56,012 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-03 12:24:56,012 INFO  L276                IsEmpty]: Start isEmpty. Operand 48 states and 70 transitions.
[2024-11-03 12:24:56,014 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 104
[2024-11-03 12:24:56,015 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:24:56,015 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:56,022 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0
[2024-11-03 12:24:56,217 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:24:56,218 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:24:56,219 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:24:56,219 INFO  L85        PathProgramCache]: Analyzing trace with hash 199022833, now seen corresponding path program 1 times
[2024-11-03 12:24:56,219 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:24:56,219 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [726267940]
[2024-11-03 12:24:56,219 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:24:56,220 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:24:56,220 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:24:56,222 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 12:24:56,223 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 12:24:56,286 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:24:56,288 INFO  L255         TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-03 12:24:56,292 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:24:56,724 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-03 12:24:56,724 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:24:56,853 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-03 12:24:56,854 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:24:56,854 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [726267940]
[2024-11-03 12:24:56,854 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [726267940] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:24:56,854 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:24:56,854 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 3] imperfect sequences [] total 6
[2024-11-03 12:24:56,855 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368286590]
[2024-11-03 12:24:56,855 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:24:56,859 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-03 12:24:56,859 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:24:56,860 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-03 12:24:56,860 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-03 12:24:56,860 INFO  L87              Difference]: Start difference. First operand 48 states and 70 transitions. Second operand  has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32)
[2024-11-03 12:24:58,121 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:25:00,026 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:25:00,028 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:25:00,028 INFO  L93              Difference]: Finished difference Result 150 states and 220 transitions.
[2024-11-03 12:25:00,052 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-03 12:25:00,053 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 103
[2024-11-03 12:25:00,054 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:25:00,055 INFO  L225             Difference]: With dead ends: 150
[2024-11-03 12:25:00,055 INFO  L226             Difference]: Without dead ends: 105
[2024-11-03 12:25:00,056 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2024-11-03 12:25:00,057 INFO  L432           NwaCegarLoop]: 76 mSDtfsCounter, 55 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time
[2024-11-03 12:25:00,058 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 239 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time]
[2024-11-03 12:25:00,058 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 105 states.
[2024-11-03 12:25:00,066 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 48.
[2024-11-03 12:25:00,066 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-03 12:25:00,067 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions.
[2024-11-03 12:25:00,067 INFO  L78                 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 103
[2024-11-03 12:25:00,069 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:25:00,069 INFO  L471      AbstractCegarLoop]: Abstraction has 48 states and 69 transitions.
[2024-11-03 12:25:00,069 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32)
[2024-11-03 12:25:00,069 INFO  L276                IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions.
[2024-11-03 12:25:00,071 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 104
[2024-11-03 12:25:00,071 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:25:00,071 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:00,074 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0
[2024-11-03 12:25:00,273 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:25:00,273 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:25:00,274 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:25:00,274 INFO  L85        PathProgramCache]: Analyzing trace with hash -194004177, now seen corresponding path program 1 times
[2024-11-03 12:25:00,274 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:25:00,275 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [515748159]
[2024-11-03 12:25:00,275 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:25:00,275 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:25:00,275 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:25:00,278 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 12:25:00,279 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 12:25:00,340 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:25:00,341 INFO  L255         TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-03 12:25:00,345 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:25:00,377 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-03 12:25:00,379 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:25:00,466 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-03 12:25:00,466 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:25:00,467 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [515748159]
[2024-11-03 12:25:00,467 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [515748159] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:25:00,467 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:25:00,467 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4
[2024-11-03 12:25:00,467 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216133301]
[2024-11-03 12:25:00,467 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:25:00,468 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-03 12:25:00,468 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:25:00,469 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-03 12:25:00,469 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-03 12:25:00,473 INFO  L87              Difference]: Start difference. First operand 48 states and 69 transitions. Second operand  has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-03 12:25:01,760 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:25:01,802 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:25:01,802 INFO  L93              Difference]: Finished difference Result 93 states and 135 transitions.
[2024-11-03 12:25:01,827 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 12:25:01,828 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 103
[2024-11-03 12:25:01,829 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:25:01,830 INFO  L225             Difference]: With dead ends: 93
[2024-11-03 12:25:01,830 INFO  L226             Difference]: Without dead ends: 48
[2024-11-03 12:25:01,831 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 201 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-03 12:25:01,832 INFO  L432           NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-11-03 12:25:01,832 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 187 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-11-03 12:25:01,833 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 48 states.
[2024-11-03 12:25:01,837 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48.
[2024-11-03 12:25:01,837 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 48 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-03 12:25:01,838 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 68 transitions.
[2024-11-03 12:25:01,838 INFO  L78                 Accepts]: Start accepts. Automaton has 48 states and 68 transitions. Word has length 103
[2024-11-03 12:25:01,839 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:25:01,839 INFO  L471      AbstractCegarLoop]: Abstraction has 48 states and 68 transitions.
[2024-11-03 12:25:01,839 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-03 12:25:01,839 INFO  L276                IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions.
[2024-11-03 12:25:01,841 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 105
[2024-11-03 12:25:01,841 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:25:01,841 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:01,849 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0
[2024-11-03 12:25:02,043 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:25:02,044 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:25:02,045 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:25:02,045 INFO  L85        PathProgramCache]: Analyzing trace with hash -717862088, now seen corresponding path program 1 times
[2024-11-03 12:25:02,045 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:25:02,045 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1249383420]
[2024-11-03 12:25:02,045 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:25:02,046 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:25:02,046 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:25:02,049 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 12:25:02,053 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process
[2024-11-03 12:25:02,113 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:25:02,114 INFO  L255         TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 12:25:02,117 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:25:02,132 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-03 12:25:02,133 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:25:02,207 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-03 12:25:02,208 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:25:02,208 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1249383420]
[2024-11-03 12:25:02,208 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1249383420] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:25:02,208 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:25:02,208 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 12:25:02,209 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224948942]
[2024-11-03 12:25:02,209 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:25:02,209 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 12:25:02,209 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:25:02,210 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 12:25:02,210 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 12:25:02,210 INFO  L87              Difference]: Start difference. First operand 48 states and 68 transitions. Second operand  has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-03 12:25:03,791 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:25:05,749 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:25:05,822 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:25:05,822 INFO  L93              Difference]: Finished difference Result 134 states and 191 transitions.
[2024-11-03 12:25:05,851 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 12:25:05,851 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 104
[2024-11-03 12:25:05,852 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:25:05,853 INFO  L225             Difference]: With dead ends: 134
[2024-11-03 12:25:05,854 INFO  L226             Difference]: Without dead ends: 89
[2024-11-03 12:25:05,858 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 12:25:05,859 INFO  L432           NwaCegarLoop]: 74 mSDtfsCounter, 58 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time
[2024-11-03 12:25:05,859 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 129 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time]
[2024-11-03 12:25:05,860 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 89 states.
[2024-11-03 12:25:05,873 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 52.
[2024-11-03 12:25:05,874 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 34 states have internal predecessors, (40), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-03 12:25:05,875 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 72 transitions.
[2024-11-03 12:25:05,875 INFO  L78                 Accepts]: Start accepts. Automaton has 52 states and 72 transitions. Word has length 104
[2024-11-03 12:25:05,876 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:25:05,876 INFO  L471      AbstractCegarLoop]: Abstraction has 52 states and 72 transitions.
[2024-11-03 12:25:05,876 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-03 12:25:05,876 INFO  L276                IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions.
[2024-11-03 12:25:05,878 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 105
[2024-11-03 12:25:05,878 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:25:05,878 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:05,887 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0
[2024-11-03 12:25:06,084 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:25:06,085 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:25:06,086 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:25:06,086 INFO  L85        PathProgramCache]: Analyzing trace with hash -660603786, now seen corresponding path program 1 times
[2024-11-03 12:25:06,086 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:25:06,086 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1452713746]
[2024-11-03 12:25:06,086 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:25:06,086 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:25:06,087 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:25:06,090 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 12:25:06,092 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process
[2024-11-03 12:25:06,135 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:25:06,138 INFO  L255         TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 14 conjuncts are in the unsatisfiable core
[2024-11-03 12:25:06,143 INFO  L278         TraceCheckSpWp]: Computing forward predicates...