/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-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount500_file-41.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 05:21:16,851 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 05:21:16,939 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 05:21:16,945 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 05:21:16,946 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 05:21:16,979 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 05:21:16,980 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 05:21:16,980 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 05:21:16,981 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 05:21:16,983 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 05:21:16,983 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 05:21:16,983 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 05:21:16,984 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 05:21:16,987 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 05:21:16,987 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 05:21:16,988 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 05:21:16,988 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 05:21:16,988 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 05:21:16,989 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 05:21:16,989 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 05:21:16,989 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 05:21:16,991 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 05:21:16,991 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 05:21:16,991 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 05:21:16,992 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 05:21:16,992 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 05:21:16,992 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 05:21:16,993 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 05:21:16,993 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 05:21:16,993 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 05:21:16,993 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 05:21:16,994 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 05:21:16,994 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 05:21:16,995 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 05:21:16,995 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 05:21:16,995 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 05:21:16,995 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 05:21:16,996 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 05:21:16,996 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 05:21:16,996 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 05:21:16,996 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 05:21:16,997 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 05:21:16,997 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 05:21:16,997 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 05:21:16,997 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt
[2024-11-03 05:21:17,255 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 05:21:17,280 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 05:21:17,283 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 05:21:17,284 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 05:21:17,284 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 05:21:17,286 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount500_file-41.i
[2024-11-03 05:21:18,752 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 05:21:19,034 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 05:21:19,034 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount500_file-41.i
[2024-11-03 05:21:19,056 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c4edb300/c7840e51cffe4f51ad770818d2e00bb3/FLAG6eeeef3d9
[2024-11-03 05:21:19,337 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c4edb300/c7840e51cffe4f51ad770818d2e00bb3
[2024-11-03 05:21:19,339 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 05:21:19,340 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 05:21:19,341 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 05:21:19,342 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 05:21:19,347 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 05:21:19,347 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:21:19" (1/1) ...
[2024-11-03 05:21:19,348 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@389d60ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:21:19, skipping insertion in model container
[2024-11-03 05:21:19,348 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:21:19" (1/1) ...
[2024-11-03 05:21:19,407 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 05:21:19,570 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_amount500_file-41.i[916,929]
[2024-11-03 05:21:19,831 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 05:21:19,869 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 05:21:19,885 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_amount500_file-41.i[916,929]
[2024-11-03 05:21:20,044 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 05:21:20,073 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 05:21:20,073 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:21:20 WrapperNode
[2024-11-03 05:21:20,074 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 05:21:20,075 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 05:21:20,075 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 05:21:20,075 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 05:21:20,083 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:21:20" (1/1) ...
[2024-11-03 05:21:20,111 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:21:20" (1/1) ...
[2024-11-03 05:21:20,188 INFO  L138                Inliner]: procedures = 27, calls = 74, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 558
[2024-11-03 05:21:20,188 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 05:21:20,189 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 05:21:20,189 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 05:21:20,189 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 05:21:20,200 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:21:20" (1/1) ...
[2024-11-03 05:21:20,200 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:21:20" (1/1) ...
[2024-11-03 05:21:20,215 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:21:20" (1/1) ...
[2024-11-03 05:21:20,257 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 05:21:20,257 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:21:20" (1/1) ...
[2024-11-03 05:21:20,258 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:21:20" (1/1) ...
[2024-11-03 05:21:20,285 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:21:20" (1/1) ...
[2024-11-03 05:21:20,292 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:21:20" (1/1) ...
[2024-11-03 05:21:20,304 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:21:20" (1/1) ...
[2024-11-03 05:21:20,309 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:21:20" (1/1) ...
[2024-11-03 05:21:20,319 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 05:21:20,320 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 05:21:20,320 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 05:21:20,320 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 05:21:20,321 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:21:20" (1/1) ...
[2024-11-03 05:21:20,326 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 05:21:20,337 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 05:21:20,355 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 05:21:20,358 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 05:21:20,385 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 05:21:20,385 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 05:21:20,386 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 05:21:20,386 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 05:21:20,386 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 05:21:20,386 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 05:21:20,537 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 05:21:20,540 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 05:22:20,321 INFO  L?                        ?]: Removed 82 outVars from TransFormulas that were not future-live.
[2024-11-03 05:22:20,321 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 05:22:20,351 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 05:22:20,351 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 05:22:20,352 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:22:20 BoogieIcfgContainer
[2024-11-03 05:22:20,352 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 05:22:20,357 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 05:22:20,357 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 05:22:20,361 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 05:22:20,361 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:21:19" (1/3) ...
[2024-11-03 05:22:20,362 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce02a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:22:20, skipping insertion in model container
[2024-11-03 05:22:20,362 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:21:20" (2/3) ...
[2024-11-03 05:22:20,362 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce02a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:22:20, skipping insertion in model container
[2024-11-03 05:22:20,363 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:22:20" (3/3) ...
[2024-11-03 05:22:20,364 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount500_file-41.i
[2024-11-03 05:22:20,382 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 05:22:20,383 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 05:22:20,471 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 05:22:20,478 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;@569517b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 05:22:20,480 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 05:22:20,487 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 217 states, 153 states have (on average 1.5686274509803921) internal successors, (240), 154 states have internal predecessors, (240), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61)
[2024-11-03 05:22:20,519 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 415
[2024-11-03 05:22:20,519 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:22:20,521 INFO  L215           NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:22:20,522 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:22:20,529 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:22:20,530 INFO  L85        PathProgramCache]: Analyzing trace with hash -2120024707, now seen corresponding path program 1 times
[2024-11-03 05:22:20,538 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:22:20,539 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [231564685]
[2024-11-03 05:22:20,539 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:22:20,542 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:22:20,543 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:22:20,546 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)
[2024-11-03 05:22:20,548 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process
[2024-11-03 05:22:20,968 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:22:20,974 INFO  L255         TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 05:22:21,009 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:22:22,985 INFO  L134       CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked.
[2024-11-03 05:22:22,985 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:22:32,897 INFO  L134       CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked.
[2024-11-03 05:22:32,898 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:22:32,898 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [231564685]
[2024-11-03 05:22:32,899 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [231564685] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 05:22:32,899 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 05:22:32,899 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 05:22:32,901 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79372034]
[2024-11-03 05:22:32,901 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 05:22:32,907 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 05:22:32,907 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:22:32,928 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 05:22:32,929 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 05:22:32,932 INFO  L87              Difference]: Start difference. First operand  has 217 states, 153 states have (on average 1.5686274509803921) internal successors, (240), 154 states have internal predecessors, (240), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) Second operand  has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61)
[2024-11-03 05:22:39,216 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 05:22:44,777 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 05:22:45,872 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:22:45,873 INFO  L93              Difference]: Finished difference Result 626 states and 1174 transitions.
[2024-11-03 05:22:45,881 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 05:22:45,883 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 414
[2024-11-03 05:22:45,885 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:22:45,898 INFO  L225             Difference]: With dead ends: 626
[2024-11-03 05:22:45,898 INFO  L226             Difference]: Without dead ends: 412
[2024-11-03 05:22:45,904 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 826 GetRequests, 825 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 05:22:45,908 INFO  L432           NwaCegarLoop]: 567 mSDtfsCounter, 313 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time
[2024-11-03 05:22:45,910 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 889 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 24 Invalid, 2 Unknown, 0 Unchecked, 12.8s Time]
[2024-11-03 05:22:45,930 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 412 states.
[2024-11-03 05:22:46,013 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 260.
[2024-11-03 05:22:46,017 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 260 states, 197 states have (on average 1.5634517766497462) internal successors, (308), 197 states have internal predecessors, (308), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61)
[2024-11-03 05:22:46,022 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 430 transitions.
[2024-11-03 05:22:46,027 INFO  L78                 Accepts]: Start accepts. Automaton has 260 states and 430 transitions. Word has length 414
[2024-11-03 05:22:46,032 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:22:46,033 INFO  L471      AbstractCegarLoop]: Abstraction has 260 states and 430 transitions.
[2024-11-03 05:22:46,035 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61)
[2024-11-03 05:22:46,035 INFO  L276                IsEmpty]: Start isEmpty. Operand 260 states and 430 transitions.
[2024-11-03 05:22:46,049 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 416
[2024-11-03 05:22:46,049 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:22:46,049 INFO  L215           NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:22:46,055 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Ended with exit code 0
[2024-11-03 05:22:46,250 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt
[2024-11-03 05:22:46,251 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:22:46,251 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:22:46,251 INFO  L85        PathProgramCache]: Analyzing trace with hash -400860831, now seen corresponding path program 1 times
[2024-11-03 05:22:46,252 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:22:46,252 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1806111985]
[2024-11-03 05:22:46,252 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:22:46,252 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:22:46,253 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:22:46,256 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 05:22:46,257 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process
[2024-11-03 05:22:46,603 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:22:46,608 INFO  L255         TraceCheckSpWp]: Trace formula consists of 746 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 05:22:46,618 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:22:50,192 INFO  L134       CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked.
[2024-11-03 05:22:50,193 INFO  L311         TraceCheckSpWp]: Computing backward predicates...