/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_has-floats_file-89.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 12:14:35,148 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 12:14:35,214 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 12:14:35,220 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 12:14:35,223 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 12:14:35,252 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 12:14:35,252 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 12:14:35,253 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 12:14:35,253 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 12:14:35,254 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 12:14:35,254 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 12:14:35,254 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 12:14:35,255 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 12:14:35,255 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 12:14:35,256 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 12:14:35,256 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 12:14:35,256 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 12:14:35,257 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 12:14:35,257 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 12:14:35,257 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 12:14:35,258 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 12:14:35,260 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 12:14:35,261 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 12:14:35,261 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 12:14:35,261 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 12:14:35,262 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 12:14:35,262 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 12:14:35,262 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 12:14:35,262 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 12:14:35,263 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 12:14:35,263 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 12:14:35,263 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 12:14:35,264 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 12:14:35,264 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 12:14:35,268 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:14:35,268 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 12:14:35,268 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 12:14:35,269 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 12:14:35,269 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 12:14:35,269 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 12:14:35,269 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 12:14:35,271 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 12:14:35,271 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 12:14:35,271 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 12:14:35,271 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 12:14:35,511 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 12:14:35,540 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 12:14:35,547 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 12:14:35,552 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 12:14:35,553 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 12:14:35,555 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-89.i
[2024-11-03 12:14:37,096 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 12:14:37,285 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 12:14:37,286 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-89.i
[2024-11-03 12:14:37,293 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9a0ae831/86a5f7844da24721ab088c5ba00555a1/FLAG14467f138
[2024-11-03 12:14:37,307 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9a0ae831/86a5f7844da24721ab088c5ba00555a1
[2024-11-03 12:14:37,309 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 12:14:37,310 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 12:14:37,311 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 12:14:37,311 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 12:14:37,321 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 12:14:37,322 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:14:37" (1/1) ...
[2024-11-03 12:14:37,323 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63e71c4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:14:37, skipping insertion in model container
[2024-11-03 12:14:37,323 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:14:37" (1/1) ...
[2024-11-03 12:14:37,349 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 12:14:37,522 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_has-floats_file-89.i[917,930]
[2024-11-03 12:14:37,556 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:14:37,568 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 12:14:37,579 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_has-floats_file-89.i[917,930]
[2024-11-03 12:14:37,597 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:14:37,614 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 12:14:37,615 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:14:37 WrapperNode
[2024-11-03 12:14:37,615 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 12:14:37,616 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 12:14:37,616 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 12:14:37,616 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 12:14:37,623 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:14:37" (1/1) ...
[2024-11-03 12:14:37,635 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:14:37" (1/1) ...
[2024-11-03 12:14:37,655 INFO  L138                Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 97
[2024-11-03 12:14:37,658 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 12:14:37,659 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 12:14:37,659 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 12:14:37,659 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 12:14:37,667 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:14:37" (1/1) ...
[2024-11-03 12:14:37,668 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:14:37" (1/1) ...
[2024-11-03 12:14:37,671 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:14:37" (1/1) ...
[2024-11-03 12:14:37,686 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 12:14:37,687 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:14:37" (1/1) ...
[2024-11-03 12:14:37,687 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:14:37" (1/1) ...
[2024-11-03 12:14:37,696 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:14:37" (1/1) ...
[2024-11-03 12:14:37,699 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:14:37" (1/1) ...
[2024-11-03 12:14:37,701 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:14:37" (1/1) ...
[2024-11-03 12:14:37,703 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:14:37" (1/1) ...
[2024-11-03 12:14:37,705 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 12:14:37,706 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 12:14:37,706 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 12:14:37,707 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 12:14:37,707 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:14:37" (1/1) ...
[2024-11-03 12:14:37,717 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:14:37,726 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 12:14:37,742 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 12:14:37,749 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 12:14:37,772 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 12:14:37,772 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 12:14:37,772 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 12:14:37,772 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 12:14:37,772 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 12:14:37,772 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 12:14:37,850 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 12:14:37,852 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 12:14:38,110 INFO  L?                        ?]: Removed 10 outVars from TransFormulas that were not future-live.
[2024-11-03 12:14:38,111 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 12:14:38,121 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 12:14:38,122 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 12:14:38,122 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:14:38 BoogieIcfgContainer
[2024-11-03 12:14:38,122 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 12:14:38,125 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 12:14:38,125 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 12:14:38,130 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 12:14:38,130 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:14:37" (1/3) ...
[2024-11-03 12:14:38,131 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@990ac44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:14:38, skipping insertion in model container
[2024-11-03 12:14:38,131 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:14:37" (2/3) ...
[2024-11-03 12:14:38,131 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@990ac44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:14:38, skipping insertion in model container
[2024-11-03 12:14:38,131 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:14:38" (3/3) ...
[2024-11-03 12:14:38,132 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-89.i
[2024-11-03 12:14:38,152 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 12:14:38,153 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 12:14:38,234 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 12:14:38,240 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;@5489bec6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 12:14:38,240 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 12:14:38,244 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 46 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 31 states have internal predecessors, (41), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-03 12:14:38,253 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2024-11-03 12:14:38,254 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:14:38,254 INFO  L215           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:14:38,255 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:14:38,259 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:14:38,260 INFO  L85        PathProgramCache]: Analyzing trace with hash -1396280687, now seen corresponding path program 1 times
[2024-11-03 12:14:38,266 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:14:38,266 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1777203432]
[2024-11-03 12:14:38,266 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:14:38,268 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:14:38,268 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:14:38,270 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 12:14:38,271 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 12:14:38,390 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:14:38,392 INFO  L255         TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 12:14:38,399 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:14:38,432 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked.
[2024-11-03 12:14:38,433 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:14:38,521 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked.
[2024-11-03 12:14:38,522 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:14:38,522 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1777203432]
[2024-11-03 12:14:38,523 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1777203432] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:14:38,523 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:14:38,523 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 12:14:38,526 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780873114]
[2024-11-03 12:14:38,527 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:14:38,531 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 12:14:38,531 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:14:38,553 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 12:14:38,554 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 12:14:38,556 INFO  L87              Difference]: Start difference. First operand  has 46 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 31 states have internal predecessors, (41), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) 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, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13)
[2024-11-03 12:14:38,577 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:14:38,577 INFO  L93              Difference]: Finished difference Result 85 states and 141 transitions.
[2024-11-03 12:14:38,580 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 12:14:38,582 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, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 85
[2024-11-03 12:14:38,582 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:14:38,589 INFO  L225             Difference]: With dead ends: 85
[2024-11-03 12:14:38,590 INFO  L226             Difference]: Without dead ends: 42
[2024-11-03 12:14:38,595 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 168 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 12:14:38,601 INFO  L432           NwaCegarLoop]: 60 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, 60 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 12:14:38,601 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 12:14:38,618 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42 states.
[2024-11-03 12:14:38,634 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42.
[2024-11-03 12:14:38,636 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 42 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 27 states have internal predecessors, (34), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-03 12:14:38,637 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 60 transitions.
[2024-11-03 12:14:38,641 INFO  L78                 Accepts]: Start accepts. Automaton has 42 states and 60 transitions. Word has length 85
[2024-11-03 12:14:38,641 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:14:38,642 INFO  L471      AbstractCegarLoop]: Abstraction has 42 states and 60 transitions.
[2024-11-03 12:14:38,642 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, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13)
[2024-11-03 12:14:38,642 INFO  L276                IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions.
[2024-11-03 12:14:38,645 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2024-11-03 12:14:38,645 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:14:38,646 INFO  L215           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:14:38,649 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0
[2024-11-03 12:14:38,846 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:14:38,847 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:14:38,848 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:14:38,848 INFO  L85        PathProgramCache]: Analyzing trace with hash 1075920335, now seen corresponding path program 1 times
[2024-11-03 12:14:38,848 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:14:38,849 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [558015041]
[2024-11-03 12:14:38,849 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:14:38,849 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:14:38,849 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:14:38,852 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 12:14:38,853 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 12:14:38,916 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:14:38,917 INFO  L255         TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-03 12:14:38,923 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:14:39,542 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-11-03 12:14:39,543 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:14:39,702 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-11-03 12:14:39,703 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:14:39,703 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [558015041]
[2024-11-03 12:14:39,703 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [558015041] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:14:39,703 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:14:39,703 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 8
[2024-11-03 12:14:39,703 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79341395]
[2024-11-03 12:14:39,704 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:14:39,705 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-03 12:14:39,708 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:14:39,709 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-03 12:14:39,710 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2024-11-03 12:14:39,710 INFO  L87              Difference]: Start difference. First operand 42 states and 60 transitions. Second operand  has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26)
[2024-11-03 12:14:39,995 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:14:39,996 INFO  L93              Difference]: Finished difference Result 121 states and 175 transitions.
[2024-11-03 12:14:40,001 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-03 12:14:40,001 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 85
[2024-11-03 12:14:40,002 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:14:40,004 INFO  L225             Difference]: With dead ends: 121
[2024-11-03 12:14:40,004 INFO  L226             Difference]: Without dead ends: 82
[2024-11-03 12:14:40,005 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90
[2024-11-03 12:14:40,007 INFO  L432           NwaCegarLoop]: 56 mSDtfsCounter, 56 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-03 12:14:40,007 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 234 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-03 12:14:40,008 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 82 states.
[2024-11-03 12:14:40,034 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 68.
[2024-11-03 12:14:40,035 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 68 states, 39 states have (on average 1.1794871794871795) internal successors, (46), 39 states have internal predecessors, (46), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26)
[2024-11-03 12:14:40,038 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 98 transitions.
[2024-11-03 12:14:40,039 INFO  L78                 Accepts]: Start accepts. Automaton has 68 states and 98 transitions. Word has length 85
[2024-11-03 12:14:40,039 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:14:40,040 INFO  L471      AbstractCegarLoop]: Abstraction has 68 states and 98 transitions.
[2024-11-03 12:14:40,040 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26)
[2024-11-03 12:14:40,040 INFO  L276                IsEmpty]: Start isEmpty. Operand 68 states and 98 transitions.
[2024-11-03 12:14:40,045 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2024-11-03 12:14:40,045 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:14:40,045 INFO  L215           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:14:40,049 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0
[2024-11-03 12:14:40,247 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:14:40,248 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:14:40,249 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:14:40,249 INFO  L85        PathProgramCache]: Analyzing trace with hash 1755978705, now seen corresponding path program 1 times
[2024-11-03 12:14:40,249 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:14:40,249 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [903561032]
[2024-11-03 12:14:40,249 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:14:40,250 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:14:40,250 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:14:40,251 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 12:14:40,252 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 12:14:40,329 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:14:40,334 INFO  L255         TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 19 conjuncts are in the unsatisfiable core
[2024-11-03 12:14:40,343 INFO  L278         TraceCheckSpWp]: Computing forward predicates...