/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-38.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 12:19:46,622 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 12:19:46,688 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 12:19:46,699 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 12:19:46,699 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 12:19:46,720 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 12:19:46,721 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 12:19:46,721 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 12:19:46,721 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 12:19:46,722 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 12:19:46,722 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 12:19:46,722 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 12:19:46,723 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 12:19:46,726 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 12:19:46,726 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 12:19:46,727 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 12:19:46,727 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 12:19:46,727 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 12:19:46,728 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 12:19:46,728 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 12:19:46,728 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 12:19:46,731 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 12:19:46,731 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 12:19:46,731 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 12:19:46,731 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 12:19:46,732 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 12:19:46,732 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 12:19:46,732 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 12:19:46,732 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 12:19:46,732 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 12:19:46,733 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 12:19:46,733 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 12:19:46,733 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 12:19:46,733 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 12:19:46,734 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:19:46,734 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 12:19:46,735 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 12:19:46,735 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 12:19:46,735 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 12:19:46,736 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 12:19:46,736 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 12:19:46,736 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 12:19:46,736 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 12:19:46,736 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 12:19:46,737 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 12:19:46,968 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 12:19:46,998 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 12:19:47,000 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 12:19:47,002 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 12:19:47,002 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 12:19:47,004 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-38.i
[2024-11-03 12:19:48,404 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 12:19:48,578 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 12:19:48,578 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-38.i
[2024-11-03 12:19:48,585 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa14f4d1c/6e5ffc01a509409b96ec4981333bfb47/FLAG70619db09
[2024-11-03 12:19:48,597 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa14f4d1c/6e5ffc01a509409b96ec4981333bfb47
[2024-11-03 12:19:48,599 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 12:19:48,600 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 12:19:48,602 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 12:19:48,602 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 12:19:48,606 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 12:19:48,606 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:19:48" (1/1) ...
[2024-11-03 12:19:48,608 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28e50097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:19:48, skipping insertion in model container
[2024-11-03 12:19:48,608 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:19:48" (1/1) ...
[2024-11-03 12:19:48,625 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 12:19:48,786 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-38.i[916,929]
[2024-11-03 12:19:48,836 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:19:48,858 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 12:19:48,875 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-38.i[916,929]
[2024-11-03 12:19:48,938 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:19:48,969 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 12:19:48,970 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:19:48 WrapperNode
[2024-11-03 12:19:48,970 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 12:19:48,971 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 12:19:48,971 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 12:19:48,971 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 12:19:48,979 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:19:48" (1/1) ...
[2024-11-03 12:19:48,993 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:19:48" (1/1) ...
[2024-11-03 12:19:49,021 INFO  L138                Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136
[2024-11-03 12:19:49,022 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 12:19:49,022 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 12:19:49,022 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 12:19:49,023 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 12:19:49,031 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:19:48" (1/1) ...
[2024-11-03 12:19:49,032 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:19:48" (1/1) ...
[2024-11-03 12:19:49,038 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:19:48" (1/1) ...
[2024-11-03 12:19:49,050 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 12:19:49,051 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:19:48" (1/1) ...
[2024-11-03 12:19:49,053 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:19:48" (1/1) ...
[2024-11-03 12:19:49,064 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:19:48" (1/1) ...
[2024-11-03 12:19:49,067 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:19:48" (1/1) ...
[2024-11-03 12:19:49,069 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:19:48" (1/1) ...
[2024-11-03 12:19:49,070 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:19:48" (1/1) ...
[2024-11-03 12:19:49,073 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 12:19:49,074 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 12:19:49,074 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 12:19:49,074 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 12:19:49,075 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:19:48" (1/1) ...
[2024-11-03 12:19:49,080 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:19:49,098 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 12:19:49,118 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 12:19:49,128 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 12:19:49,154 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 12:19:49,154 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 12:19:49,154 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 12:19:49,155 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 12:19:49,155 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 12:19:49,157 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 12:19:49,229 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 12:19:49,231 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 12:19:49,441 INFO  L?                        ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-11-03 12:19:49,441 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 12:19:49,459 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 12:19:49,459 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 12:19:49,460 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:19:49 BoogieIcfgContainer
[2024-11-03 12:19:49,460 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 12:19:49,465 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 12:19:49,465 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 12:19:49,468 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 12:19:49,469 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:19:48" (1/3) ...
[2024-11-03 12:19:49,469 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ca359a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:19:49, skipping insertion in model container
[2024-11-03 12:19:49,469 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:19:48" (2/3) ...
[2024-11-03 12:19:49,470 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ca359a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:19:49, skipping insertion in model container
[2024-11-03 12:19:49,470 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:19:49" (3/3) ...
[2024-11-03 12:19:49,472 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-38.i
[2024-11-03 12:19:49,493 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 12:19:49,493 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 12:19:49,548 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 12:19:49,555 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;@522f6666, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 12:19:49,555 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 12:19:49,559 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 67 states, 36 states have (on average 1.25) internal successors, (45), 37 states have internal predecessors, (45), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-03 12:19:49,572 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 169
[2024-11-03 12:19:49,572 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:19:49,573 INFO  L215           NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:49,574 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:19:49,579 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:19:49,579 INFO  L85        PathProgramCache]: Analyzing trace with hash 1753168494, now seen corresponding path program 1 times
[2024-11-03 12:19:49,588 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:19:49,589 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [858604999]
[2024-11-03 12:19:49,590 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:19:49,593 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:19:49,593 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:19:49,599 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 12:19:49,614 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 12:19:49,749 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:19:49,752 INFO  L255         TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 12:19:49,762 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:19:49,806 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked.
[2024-11-03 12:19:49,807 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:19:49,959 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked.
[2024-11-03 12:19:49,961 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:19:49,961 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [858604999]
[2024-11-03 12:19:49,964 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [858604999] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:19:49,964 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:19:49,964 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 12:19:49,966 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582165395]
[2024-11-03 12:19:49,967 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:19:49,973 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 12:19:49,974 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:19:50,003 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 12:19:50,004 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 12:19:50,006 INFO  L87              Difference]: Start difference. First operand  has 67 states, 36 states have (on average 1.25) internal successors, (45), 37 states have internal predecessors, (45), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand  has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28)
[2024-11-03 12:19:50,055 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:19:50,056 INFO  L93              Difference]: Finished difference Result 127 states and 224 transitions.
[2024-11-03 12:19:50,059 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 12:19:50,061 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28) Word has length 168
[2024-11-03 12:19:50,061 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:19:50,068 INFO  L225             Difference]: With dead ends: 127
[2024-11-03 12:19:50,069 INFO  L226             Difference]: Without dead ends: 63
[2024-11-03 12:19:50,073 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 334 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 12:19:50,079 INFO  L432           NwaCegarLoop]: 94 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, 94 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 12:19:50,079 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 12:19:50,095 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 63 states.
[2024-11-03 12:19:50,121 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63.
[2024-11-03 12:19:50,124 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 63 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 33 states have internal predecessors, (38), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-03 12:19:50,125 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 94 transitions.
[2024-11-03 12:19:50,130 INFO  L78                 Accepts]: Start accepts. Automaton has 63 states and 94 transitions. Word has length 168
[2024-11-03 12:19:50,130 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:19:50,130 INFO  L471      AbstractCegarLoop]: Abstraction has 63 states and 94 transitions.
[2024-11-03 12:19:50,130 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28)
[2024-11-03 12:19:50,130 INFO  L276                IsEmpty]: Start isEmpty. Operand 63 states and 94 transitions.
[2024-11-03 12:19:50,135 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 169
[2024-11-03 12:19:50,136 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:19:50,136 INFO  L215           NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:50,140 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0
[2024-11-03 12:19:50,337 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:19:50,337 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:19:50,338 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:19:50,339 INFO  L85        PathProgramCache]: Analyzing trace with hash 2025210478, now seen corresponding path program 1 times
[2024-11-03 12:19:50,339 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:19:50,339 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1151167242]
[2024-11-03 12:19:50,339 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:19:50,339 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:19:50,340 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:19:50,346 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 12:19:50,361 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 12:19:50,484 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:19:50,486 INFO  L255         TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 12:19:50,492 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:19:50,523 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked.
[2024-11-03 12:19:50,523 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:19:50,642 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked.
[2024-11-03 12:19:50,643 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:19:50,644 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1151167242]
[2024-11-03 12:19:50,644 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1151167242] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:19:50,644 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:19:50,644 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 12:19:50,644 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440284604]
[2024-11-03 12:19:50,644 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:19:50,646 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 12:19:50,646 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:19:50,648 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 12:19:50,648 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 12:19:50,648 INFO  L87              Difference]: Start difference. First operand 63 states and 94 transitions. Second operand  has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28)
[2024-11-03 12:19:50,712 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:19:50,713 INFO  L93              Difference]: Finished difference Result 161 states and 239 transitions.
[2024-11-03 12:19:50,717 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 12:19:50,718 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 168
[2024-11-03 12:19:50,719 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:19:50,722 INFO  L225             Difference]: With dead ends: 161
[2024-11-03 12:19:50,722 INFO  L226             Difference]: Without dead ends: 101
[2024-11-03 12:19:50,723 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 333 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 12:19:50,724 INFO  L432           NwaCegarLoop]: 92 mSDtfsCounter, 53 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-03 12:19:50,725 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 173 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 12:19:50,727 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 101 states.
[2024-11-03 12:19:50,744 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98.
[2024-11-03 12:19:50,745 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 98 states, 51 states have (on average 1.1176470588235294) internal successors, (57), 52 states have internal predecessors, (57), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 43 states have call predecessors, (44), 44 states have call successors, (44)
[2024-11-03 12:19:50,746 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 145 transitions.
[2024-11-03 12:19:50,747 INFO  L78                 Accepts]: Start accepts. Automaton has 98 states and 145 transitions. Word has length 168
[2024-11-03 12:19:50,747 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:19:50,747 INFO  L471      AbstractCegarLoop]: Abstraction has 98 states and 145 transitions.
[2024-11-03 12:19:50,748 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28)
[2024-11-03 12:19:50,748 INFO  L276                IsEmpty]: Start isEmpty. Operand 98 states and 145 transitions.
[2024-11-03 12:19:50,749 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 169
[2024-11-03 12:19:50,749 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:19:50,749 INFO  L215           NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:50,763 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0
[2024-11-03 12:19:50,950 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:19:50,951 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:19:50,951 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:19:50,952 INFO  L85        PathProgramCache]: Analyzing trace with hash 2027057520, now seen corresponding path program 1 times
[2024-11-03 12:19:50,952 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:19:50,952 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [912379169]
[2024-11-03 12:19:50,952 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:19:50,952 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:19:50,952 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:19:50,954 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 12:19:50,955 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 12:19:51,028 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:19:51,033 INFO  L255         TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 13 conjuncts are in the unsatisfiable core
[2024-11-03 12:19:51,040 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:20:11,963 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked.
[2024-11-03 12:20:11,964 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:21:00,197 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked.
[2024-11-03 12:21:00,198 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:21:00,198 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [912379169]
[2024-11-03 12:21:00,198 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [912379169] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:21:00,199 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:21:00,199 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15
[2024-11-03 12:21:00,199 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028892953]
[2024-11-03 12:21:00,199 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:21:00,200 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2024-11-03 12:21:00,200 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:21:00,201 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2024-11-03 12:21:00,201 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210
[2024-11-03 12:21:00,201 INFO  L87              Difference]: Start difference. First operand 98 states and 145 transitions. Second operand  has 15 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 states have internal predecessors, (61), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56)
[2024-11-03 12:21:01,992 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:21:01,993 INFO  L93              Difference]: Finished difference Result 255 states and 358 transitions.
[2024-11-03 12:21:01,994 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-11-03 12:21:01,995 INFO  L78                 Accepts]: Start accepts. Automaton has  has 15 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 states have internal predecessors, (61), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 168
[2024-11-03 12:21:01,996 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:21:02,002 INFO  L225             Difference]: With dead ends: 255
[2024-11-03 12:21:02,002 INFO  L226             Difference]: Without dead ends: 253
[2024-11-03 12:21:02,003 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 320 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342
[2024-11-03 12:21:02,004 INFO  L432           NwaCegarLoop]: 92 mSDtfsCounter, 123 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-03 12:21:02,004 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 717 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-03 12:21:02,005 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 253 states.
[2024-11-03 12:21:02,026 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 105.
[2024-11-03 12:21:02,026 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 105 states, 58 states have (on average 1.1206896551724137) internal successors, (65), 59 states have internal predecessors, (65), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 43 states have call predecessors, (44), 44 states have call successors, (44)
[2024-11-03 12:21:02,027 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 153 transitions.
[2024-11-03 12:21:02,028 INFO  L78                 Accepts]: Start accepts. Automaton has 105 states and 153 transitions. Word has length 168
[2024-11-03 12:21:02,028 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:21:02,028 INFO  L471      AbstractCegarLoop]: Abstraction has 105 states and 153 transitions.
[2024-11-03 12:21:02,029 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 15 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 states have internal predecessors, (61), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56)
[2024-11-03 12:21:02,029 INFO  L276                IsEmpty]: Start isEmpty. Operand 105 states and 153 transitions.
[2024-11-03 12:21:02,030 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 169
[2024-11-03 12:21:02,030 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:21:02,031 INFO  L215           NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:21:02,035 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Forceful destruction successful, exit code 0
[2024-11-03 12:21:02,231 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:21:02,232 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:21:02,232 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:21:02,232 INFO  L85        PathProgramCache]: Analyzing trace with hash -1587851406, now seen corresponding path program 1 times
[2024-11-03 12:21:02,233 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:21:02,233 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1830768470]
[2024-11-03 12:21:02,233 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:21:02,233 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:21:02,233 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:21:02,235 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 12:21:02,236 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process
[2024-11-03 12:21:02,296 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:21:02,297 INFO  L255         TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 14 conjuncts are in the unsatisfiable core
[2024-11-03 12:21:02,303 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:21:19,390 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked.
[2024-11-03 12:21:19,391 INFO  L311         TraceCheckSpWp]: Computing backward predicates...