/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_operatoramount_amount250_file-88.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 12:56:42,125 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 12:56:42,200 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 12:56:42,204 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 12:56:42,205 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 12:56:42,233 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 12:56:42,234 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 12:56:42,234 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 12:56:42,235 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 12:56:42,235 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 12:56:42,237 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 12:56:42,237 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 12:56:42,238 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 12:56:42,241 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 12:56:42,241 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 12:56:42,242 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 12:56:42,242 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 12:56:42,242 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 12:56:42,242 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 12:56:42,243 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 12:56:42,243 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 12:56:42,245 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 12:56:42,246 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 12:56:42,246 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 12:56:42,246 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 12:56:42,246 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 12:56:42,246 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 12:56:42,247 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 12:56:42,247 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 12:56:42,247 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 12:56:42,247 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 12:56:42,248 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 12:56:42,248 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 12:56:42,248 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 12:56:42,248 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:56:42,249 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 12:56:42,249 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 12:56:42,249 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 12:56:42,249 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 12:56:42,250 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 12:56:42,250 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 12:56:42,251 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 12:56:42,252 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 12:56:42,252 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 12:56:42,252 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 12:56:42,495 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 12:56:42,520 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 12:56:42,523 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 12:56:42,524 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 12:56:42,524 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 12:56:42,525 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-88.i
[2024-11-03 12:56:43,924 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 12:56:44,156 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 12:56:44,157 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-88.i
[2024-11-03 12:56:44,172 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/698df4e5c/70e75a6d712648bf9d88c2e7697c12e6/FLAG1d11d0050
[2024-11-03 12:56:44,188 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/698df4e5c/70e75a6d712648bf9d88c2e7697c12e6
[2024-11-03 12:56:44,192 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 12:56:44,194 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 12:56:44,196 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 12:56:44,196 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 12:56:44,202 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 12:56:44,202 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:56:44" (1/1) ...
[2024-11-03 12:56:44,203 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b19d52d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:56:44, skipping insertion in model container
[2024-11-03 12:56:44,203 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:56:44" (1/1) ...
[2024-11-03 12:56:44,256 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 12:56:44,422 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_operatoramount_amount250_file-88.i[916,929]
[2024-11-03 12:56:44,552 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:56:44,572 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 12:56:44,583 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_operatoramount_amount250_file-88.i[916,929]
[2024-11-03 12:56:44,699 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:56:44,726 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 12:56:44,728 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:56:44 WrapperNode
[2024-11-03 12:56:44,729 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 12:56:44,730 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 12:56:44,730 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 12:56:44,730 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 12:56:44,737 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:56:44" (1/1) ...
[2024-11-03 12:56:44,767 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:56:44" (1/1) ...
[2024-11-03 12:56:44,804 INFO  L138                Inliner]: procedures = 27, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 301
[2024-11-03 12:56:44,804 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 12:56:44,805 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 12:56:44,805 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 12:56:44,805 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 12:56:44,818 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:56:44" (1/1) ...
[2024-11-03 12:56:44,818 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:56:44" (1/1) ...
[2024-11-03 12:56:44,827 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:56:44" (1/1) ...
[2024-11-03 12:56:44,856 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 12:56:44,857 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:56:44" (1/1) ...
[2024-11-03 12:56:44,857 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:56:44" (1/1) ...
[2024-11-03 12:56:44,876 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:56:44" (1/1) ...
[2024-11-03 12:56:44,880 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:56:44" (1/1) ...
[2024-11-03 12:56:44,885 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:56:44" (1/1) ...
[2024-11-03 12:56:44,889 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:56:44" (1/1) ...
[2024-11-03 12:56:44,897 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 12:56:44,903 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 12:56:44,903 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 12:56:44,903 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 12:56:44,904 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:56:44" (1/1) ...
[2024-11-03 12:56:44,909 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:56:44,919 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 12:56:44,934 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 12:56:44,937 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 12:56:44,963 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 12:56:44,963 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 12:56:44,964 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 12:56:44,964 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 12:56:44,964 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 12:56:44,964 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 12:56:45,062 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 12:56:45,064 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 12:57:07,096 INFO  L?                        ?]: Removed 44 outVars from TransFormulas that were not future-live.
[2024-11-03 12:57:07,096 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 12:57:07,115 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 12:57:07,116 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 12:57:07,116 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:57:07 BoogieIcfgContainer
[2024-11-03 12:57:07,116 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 12:57:07,118 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 12:57:07,118 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 12:57:07,121 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 12:57:07,121 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:56:44" (1/3) ...
[2024-11-03 12:57:07,122 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c2f41c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:57:07, skipping insertion in model container
[2024-11-03 12:57:07,122 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:56:44" (2/3) ...
[2024-11-03 12:57:07,122 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c2f41c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:57:07, skipping insertion in model container
[2024-11-03 12:57:07,122 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:57:07" (3/3) ...
[2024-11-03 12:57:07,123 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-88.i
[2024-11-03 12:57:07,136 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 12:57:07,137 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 12:57:07,197 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 12:57:07,201 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;@4f2030c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 12:57:07,201 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 12:57:07,206 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 126 states, 89 states have (on average 1.5056179775280898) internal successors, (134), 90 states have internal predecessors, (134), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34)
[2024-11-03 12:57:07,219 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 234
[2024-11-03 12:57:07,219 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:57:07,219 INFO  L215           NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:57:07,220 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:57:07,223 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:57:07,224 INFO  L85        PathProgramCache]: Analyzing trace with hash -383978070, now seen corresponding path program 1 times
[2024-11-03 12:57:07,229 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:57:07,230 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1672127426]
[2024-11-03 12:57:07,230 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:57:07,232 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:57:07,232 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:57:07,233 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 12:57:07,235 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 12:57:07,441 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:57:07,444 INFO  L255         TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 12:57:07,455 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:57:07,530 INFO  L134       CoverageAnalysis]: Checked inductivity of 2244 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 2178 trivial. 0 not checked.
[2024-11-03 12:57:07,531 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:57:09,370 INFO  L134       CoverageAnalysis]: Checked inductivity of 2244 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 2178 trivial. 0 not checked.
[2024-11-03 12:57:09,371 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:57:09,372 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1672127426]
[2024-11-03 12:57:09,372 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1672127426] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:57:09,372 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:57:09,373 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 12:57:09,374 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742140598]
[2024-11-03 12:57:09,375 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:57:09,379 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 12:57:09,380 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:57:09,399 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 12:57:09,399 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 12:57:09,402 INFO  L87              Difference]: Start difference. First operand  has 126 states, 89 states have (on average 1.5056179775280898) internal successors, (134), 90 states have internal predecessors, (134), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand  has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 1 states have call successors, (34), 1 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34)
[2024-11-03 12:57:09,435 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:57:09,436 INFO  L93              Difference]: Finished difference Result 245 states and 432 transitions.
[2024-11-03 12:57:09,437 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 12:57:09,439 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 1 states have call successors, (34), 1 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) Word has length 233
[2024-11-03 12:57:09,439 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:57:09,448 INFO  L225             Difference]: With dead ends: 245
[2024-11-03 12:57:09,448 INFO  L226             Difference]: Without dead ends: 122
[2024-11-03 12:57:09,452 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 464 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 12:57:09,455 INFO  L432           NwaCegarLoop]: 195 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, 195 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 12:57:09,456 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 12:57:09,469 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 122 states.
[2024-11-03 12:57:09,493 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122.
[2024-11-03 12:57:09,495 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 122 states, 86 states have (on average 1.4767441860465116) internal successors, (127), 86 states have internal predecessors, (127), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34)
[2024-11-03 12:57:09,497 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 195 transitions.
[2024-11-03 12:57:09,499 INFO  L78                 Accepts]: Start accepts. Automaton has 122 states and 195 transitions. Word has length 233
[2024-11-03 12:57:09,500 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:57:09,500 INFO  L471      AbstractCegarLoop]: Abstraction has 122 states and 195 transitions.
[2024-11-03 12:57:09,500 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 1 states have call successors, (34), 1 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34)
[2024-11-03 12:57:09,500 INFO  L276                IsEmpty]: Start isEmpty. Operand 122 states and 195 transitions.
[2024-11-03 12:57:09,507 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 234
[2024-11-03 12:57:09,508 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:57:09,508 INFO  L215           NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:57:09,513 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Forceful destruction successful, exit code 0
[2024-11-03 12:57:09,709 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:57:09,710 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:57:09,710 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:57:09,711 INFO  L85        PathProgramCache]: Analyzing trace with hash 1686566574, now seen corresponding path program 1 times
[2024-11-03 12:57:09,711 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:57:09,711 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [453245145]
[2024-11-03 12:57:09,711 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:57:09,711 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:57:09,712 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:57:09,714 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 12:57:09,715 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 12:57:09,910 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:57:09,913 INFO  L255         TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 12:57:09,920 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:57:10,466 INFO  L134       CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked.
[2024-11-03 12:57:10,467 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:57:12,746 INFO  L134       CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked.
[2024-11-03 12:57:12,747 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:57:12,747 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [453245145]
[2024-11-03 12:57:12,747 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [453245145] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:57:12,747 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:57:12,748 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 12:57:12,748 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052995114]
[2024-11-03 12:57:12,748 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:57:12,750 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 12:57:12,750 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:57:12,751 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 12:57:12,751 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 12:57:12,752 INFO  L87              Difference]: Start difference. First operand 122 states and 195 transitions. Second operand  has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34)
[2024-11-03 12:57:18,470 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:57:22,483 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:57:22,642 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:57:22,642 INFO  L93              Difference]: Finished difference Result 293 states and 471 transitions.
[2024-11-03 12:57:22,643 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 12:57:22,643 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 233
[2024-11-03 12:57:22,644 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:57:22,646 INFO  L225             Difference]: With dead ends: 293
[2024-11-03 12:57:22,646 INFO  L226             Difference]: Without dead ends: 174
[2024-11-03 12:57:22,652 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 463 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 12:57:22,653 INFO  L432           NwaCegarLoop]: 195 mSDtfsCounter, 68 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 18 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time
[2024-11-03 12:57:22,653 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 351 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 24 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time]
[2024-11-03 12:57:22,654 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 174 states.
[2024-11-03 12:57:22,679 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 165.
[2024-11-03 12:57:22,680 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 165 states, 129 states have (on average 1.496124031007752) internal successors, (193), 129 states have internal predecessors, (193), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34)
[2024-11-03 12:57:22,682 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 261 transitions.
[2024-11-03 12:57:22,685 INFO  L78                 Accepts]: Start accepts. Automaton has 165 states and 261 transitions. Word has length 233
[2024-11-03 12:57:22,688 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:57:22,688 INFO  L471      AbstractCegarLoop]: Abstraction has 165 states and 261 transitions.
[2024-11-03 12:57:22,688 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34)
[2024-11-03 12:57:22,688 INFO  L276                IsEmpty]: Start isEmpty. Operand 165 states and 261 transitions.
[2024-11-03 12:57:22,695 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 234
[2024-11-03 12:57:22,695 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:57:22,696 INFO  L215           NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:57:22,703 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0
[2024-11-03 12:57:22,896 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:57:22,897 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:57:22,897 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:57:22,897 INFO  L85        PathProgramCache]: Analyzing trace with hash -1907336144, now seen corresponding path program 1 times
[2024-11-03 12:57:22,898 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:57:22,898 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [728877575]
[2024-11-03 12:57:22,898 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:57:22,898 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:57:22,898 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:57:22,900 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 12:57:22,901 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 12:57:23,030 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:57:23,033 INFO  L255         TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 12:57:23,039 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:57:23,829 INFO  L134       CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked.
[2024-11-03 12:57:23,830 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:57:26,693 INFO  L134       CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked.
[2024-11-03 12:57:26,693 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:57:26,694 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [728877575]
[2024-11-03 12:57:26,694 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [728877575] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:57:26,694 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:57:26,695 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 12:57:26,695 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582513822]
[2024-11-03 12:57:26,696 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:57:26,696 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 12:57:26,697 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:57:26,697 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 12:57:26,697 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 12:57:26,698 INFO  L87              Difference]: Start difference. First operand 165 states and 261 transitions. Second operand  has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34)
[2024-11-03 12:57:32,364 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:57:36,886 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 12:57:37,054 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:57:37,054 INFO  L93              Difference]: Finished difference Result 336 states and 529 transitions.
[2024-11-03 12:57:37,054 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 12:57:37,055 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 233
[2024-11-03 12:57:37,056 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:57:37,058 INFO  L225             Difference]: With dead ends: 336
[2024-11-03 12:57:37,058 INFO  L226             Difference]: Without dead ends: 174
[2024-11-03 12:57:37,059 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 463 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 12:57:37,060 INFO  L432           NwaCegarLoop]: 186 mSDtfsCounter, 59 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time
[2024-11-03 12:57:37,060 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 352 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 26 Invalid, 2 Unknown, 0 Unchecked, 10.3s Time]
[2024-11-03 12:57:37,061 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 174 states.
[2024-11-03 12:57:37,076 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 165.
[2024-11-03 12:57:37,077 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 165 states, 129 states have (on average 1.4186046511627908) internal successors, (183), 129 states have internal predecessors, (183), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34)
[2024-11-03 12:57:37,083 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 251 transitions.
[2024-11-03 12:57:37,084 INFO  L78                 Accepts]: Start accepts. Automaton has 165 states and 251 transitions. Word has length 233
[2024-11-03 12:57:37,084 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:57:37,084 INFO  L471      AbstractCegarLoop]: Abstraction has 165 states and 251 transitions.
[2024-11-03 12:57:37,085 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34)
[2024-11-03 12:57:37,085 INFO  L276                IsEmpty]: Start isEmpty. Operand 165 states and 251 transitions.
[2024-11-03 12:57:37,091 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 234
[2024-11-03 12:57:37,091 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:57:37,092 INFO  L215           NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:57:37,097 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0
[2024-11-03 12:57:37,297 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:57:37,297 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:57:37,298 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:57:37,298 INFO  L85        PathProgramCache]: Analyzing trace with hash 1239133098, now seen corresponding path program 1 times
[2024-11-03 12:57:37,298 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:57:37,298 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1960038481]
[2024-11-03 12:57:37,298 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:57:37,299 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:57:37,299 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:57:37,301 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 12:57:37,302 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process
[2024-11-03 12:57:37,494 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:57:37,499 INFO  L255         TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-11-03 12:57:37,509 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:58:00,099 INFO  L134       CoverageAnalysis]: Checked inductivity of 2244 backedges. 1155 proven. 48 refuted. 0 times theorem prover too weak. 1041 trivial. 0 not checked.
[2024-11-03 12:58:00,099 INFO  L311         TraceCheckSpWp]: Computing backward predicates...