/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 'cvc5 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c


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


This is Ultimate 0.2.5-dev-356b6ba-m
[2024-11-01 12:27:36,017 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-01 12:27:36,172 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf
[2024-11-01 12:27:36,187 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-01 12:27:36,188 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-01 12:27:36,252 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-01 12:27:36,256 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-01 12:27:36,256 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-01 12:27:36,257 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-01 12:27:36,258 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-01 12:27:36,258 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-01 12:27:36,259 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-01 12:27:36,262 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-01 12:27:36,264 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-01 12:27:36,265 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-01 12:27:36,265 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-01 12:27:36,265 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-01 12:27:36,266 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-01 12:27:36,269 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-01 12:27:36,270 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-01 12:27:36,270 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-01 12:27:36,271 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-01 12:27:36,271 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-01 12:27:36,271 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-01 12:27:36,272 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-01 12:27:36,272 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-01 12:27:36,272 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-01 12:27:36,272 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-01 12:27:36,273 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-01 12:27:36,274 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-01 12:27:36,275 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-01 12:27:36,275 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-01 12:27:36,275 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-01 12:27:36,276 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-01 12:27:36,276 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-01 12:27:36,276 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-01 12:27:36,276 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt 
[2024-11-01 12:27:36,277 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-01 12:27:36,277 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-01 12:27:36,277 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-01 12:27:36,277 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-01 12:27:36,279 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2024-11-01 12:27:36,279 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt
[2024-11-01 12:27:36,652 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-01 12:27:36,686 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-01 12:27:36,690 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-01 12:27:36,691 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-01 12:27:36,691 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-01 12:27:36,693 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c
[2024-11-01 12:27:38,290 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-01 12:27:38,752 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-01 12:27:38,753 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c
[2024-11-01 12:27:38,790 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c3ff774d/658abdc3cdf74c78b4d0884503948957/FLAGe27fc277f
[2024-11-01 12:27:38,898 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c3ff774d/658abdc3cdf74c78b4d0884503948957
[2024-11-01 12:27:38,902 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-01 12:27:38,903 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-01 12:27:38,905 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-01 12:27:38,905 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-01 12:27:38,912 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-01 12:27:38,913 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 12:27:38" (1/1) ...
[2024-11-01 12:27:38,914 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c70e8a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:27:38, skipping insertion in model container
[2024-11-01 12:27:38,914 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 12:27:38" (1/1) ...
[2024-11-01 12:27:38,987 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-01 12:27:39,270 WARN  L251   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c[1259,1272]
[2024-11-01 12:27:39,604 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-01 12:27:39,627 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-01 12:27:39,647 WARN  L251   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c[1259,1272]
[2024-11-01 12:27:39,779 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-01 12:27:39,795 INFO  L204         MainTranslator]: Completed translation
[2024-11-01 12:27:39,795 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:27:39 WrapperNode
[2024-11-01 12:27:39,796 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-01 12:27:39,797 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-01 12:27:39,797 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-01 12:27:39,797 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-01 12:27:39,804 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:27:39" (1/1) ...
[2024-11-01 12:27:39,844 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:27:39" (1/1) ...
[2024-11-01 12:27:39,939 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1996
[2024-11-01 12:27:39,940 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-01 12:27:39,940 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-01 12:27:39,940 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-01 12:27:39,941 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-01 12:27:39,955 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:27:39" (1/1) ...
[2024-11-01 12:27:39,955 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:27:39" (1/1) ...
[2024-11-01 12:27:39,976 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:27:39" (1/1) ...
[2024-11-01 12:27:40,016 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].
[2024-11-01 12:27:40,017 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:27:39" (1/1) ...
[2024-11-01 12:27:40,017 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:27:39" (1/1) ...
[2024-11-01 12:27:40,055 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:27:39" (1/1) ...
[2024-11-01 12:27:40,061 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:27:39" (1/1) ...
[2024-11-01 12:27:40,070 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:27:39" (1/1) ...
[2024-11-01 12:27:40,079 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:27:39" (1/1) ...
[2024-11-01 12:27:40,106 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-01 12:27:40,107 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-01 12:27:40,107 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-01 12:27:40,107 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-01 12:27:40,108 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:27:39" (1/1) ...
[2024-11-01 12:27:40,113 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-01 12:27:40,136 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-01 12:27:40,168 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)
[2024-11-01 12:27:40,179 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
[2024-11-01 12:27:40,204 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-01 12:27:40,205 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-01 12:27:40,205 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-01 12:27:40,205 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-01 12:27:40,575 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-01 12:27:40,578 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-01 12:27:42,271 INFO  L?                        ?]: Removed 293 outVars from TransFormulas that were not future-live.
[2024-11-01 12:27:42,272 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-01 12:27:42,284 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-01 12:27:42,285 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-01 12:27:42,285 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 12:27:42 BoogieIcfgContainer
[2024-11-01 12:27:42,285 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-01 12:27:42,289 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-01 12:27:42,289 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-01 12:27:42,293 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-01 12:27:42,293 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 12:27:38" (1/3) ...
[2024-11-01 12:27:42,293 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e7bc812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 12:27:42, skipping insertion in model container
[2024-11-01 12:27:42,294 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:27:39" (2/3) ...
[2024-11-01 12:27:42,294 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e7bc812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 12:27:42, skipping insertion in model container
[2024-11-01 12:27:42,294 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 12:27:42" (3/3) ...
[2024-11-01 12:27:42,295 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cache_coherence_two.c
[2024-11-01 12:27:42,312 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-01 12:27:42,313 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-01 12:27:42,380 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-01 12:27:42,388 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;@4dfe498c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-01 12:27:42,388 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-01 12:27:42,397 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-01 12:27:42,404 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-11-01 12:27:42,405 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-01 12:27:42,406 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-11-01 12:27:42,407 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-01 12:27:42,412 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-01 12:27:42,413 INFO  L85        PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times
[2024-11-01 12:27:42,421 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-01 12:27:42,422 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1671326615]
[2024-11-01 12:27:42,422 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-01 12:27:42,424 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-01 12:27:42,425 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-01 12:27:42,432 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-01 12:27:42,434 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process
[2024-11-01 12:27:43,089 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-01 12:27:43,134 WARN  L253         TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 338 conjuncts are in the unsatisfiable core
[2024-11-01 12:27:43,186 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-01 12:27:52,450 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-01 12:27:52,450 INFO  L311         TraceCheckSpWp]: Computing backward predicates...