/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 'cvc4 --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_amount50_file-32.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 01:52:21,755 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 01:52:21,805 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 01:52:21,809 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 01:52:21,809 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 01:52:21,830 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 01:52:21,830 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 01:52:21,831 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 01:52:21,831 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 01:52:21,831 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 01:52:21,832 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 01:52:21,832 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 01:52:21,832 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 01:52:21,832 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 01:52:21,833 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 01:52:21,833 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 01:52:21,834 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 01:52:21,834 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 01:52:21,834 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 01:52:21,835 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 01:52:21,835 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 01:52:21,838 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 01:52:21,838 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 01:52:21,838 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 01:52:21,839 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 01:52:21,839 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 01:52:21,839 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 01:52:21,839 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 01:52:21,839 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 01:52:21,839 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 01:52:21,839 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 01:52:21,840 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 01:52:21,840 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 01:52:21,840 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 01:52:21,840 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 01:52:21,840 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 01:52:21,840 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 01:52:21,840 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 01:52:21,840 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 01:52:21,841 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 01:52:21,841 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 01:52:21,841 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 01:52:21,841 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 01:52:21,841 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 01:52:21,841 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt
[2024-11-03 01:52:22,004 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 01:52:22,023 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 01:52:22,024 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 01:52:22,025 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 01:52:22,026 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 01:52:22,026 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-32.i
[2024-11-03 01:52:23,225 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 01:52:23,376 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 01:52:23,376 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-32.i
[2024-11-03 01:52:23,384 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5817ea79/5925758020dd473092a386aa4d16d850/FLAG1bcadc86e
[2024-11-03 01:52:23,786 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5817ea79/5925758020dd473092a386aa4d16d850
[2024-11-03 01:52:23,788 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 01:52:23,789 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 01:52:23,790 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 01:52:23,790 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 01:52:23,794 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 01:52:23,795 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:52:23" (1/1) ...
[2024-11-03 01:52:23,795 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@532a135e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:23, skipping insertion in model container
[2024-11-03 01:52:23,795 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:52:23" (1/1) ...
[2024-11-03 01:52:23,827 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 01:52:23,956 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_amount50_file-32.i[915,928]
[2024-11-03 01:52:23,997 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 01:52:24,006 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 01:52:24,015 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_amount50_file-32.i[915,928]
[2024-11-03 01:52:24,032 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 01:52:24,045 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 01:52:24,046 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:24 WrapperNode
[2024-11-03 01:52:24,046 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 01:52:24,047 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 01:52:24,047 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 01:52:24,047 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 01:52:24,051 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:24" (1/1) ...
[2024-11-03 01:52:24,064 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:24" (1/1) ...
[2024-11-03 01:52:24,093 INFO  L138                Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139
[2024-11-03 01:52:24,093 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 01:52:24,093 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 01:52:24,094 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 01:52:24,094 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 01:52:24,102 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:24" (1/1) ...
[2024-11-03 01:52:24,103 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:24" (1/1) ...
[2024-11-03 01:52:24,107 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:24" (1/1) ...
[2024-11-03 01:52:24,116 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 01:52:24,116 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:24" (1/1) ...
[2024-11-03 01:52:24,116 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:24" (1/1) ...
[2024-11-03 01:52:24,127 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:24" (1/1) ...
[2024-11-03 01:52:24,133 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:24" (1/1) ...
[2024-11-03 01:52:24,135 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:24" (1/1) ...
[2024-11-03 01:52:24,136 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:24" (1/1) ...
[2024-11-03 01:52:24,140 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 01:52:24,141 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 01:52:24,141 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 01:52:24,141 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 01:52:24,142 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:24" (1/1) ...
[2024-11-03 01:52:24,152 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 01:52:24,160 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 01:52:24,174 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 01:52:24,179 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
[2024-11-03 01:52:24,197 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 01:52:24,197 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 01:52:24,197 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 01:52:24,197 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 01:52:24,197 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 01:52:24,198 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 01:52:24,273 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 01:52:24,275 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 01:52:26,806 INFO  L?                        ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-11-03 01:52:26,806 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 01:52:26,815 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 01:52:26,816 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 01:52:26,816 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:52:26 BoogieIcfgContainer
[2024-11-03 01:52:26,816 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 01:52:26,818 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 01:52:26,818 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 01:52:26,820 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 01:52:26,820 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:52:23" (1/3) ...
[2024-11-03 01:52:26,821 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d695076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:52:26, skipping insertion in model container
[2024-11-03 01:52:26,821 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:24" (2/3) ...
[2024-11-03 01:52:26,821 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d695076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:52:26, skipping insertion in model container
[2024-11-03 01:52:26,821 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:52:26" (3/3) ...
[2024-11-03 01:52:26,822 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-32.i
[2024-11-03 01:52:26,834 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 01:52:26,834 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 01:52:26,875 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 01:52:26,880 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;@632676e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 01:52:26,880 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 01:52:26,883 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 62 states, 40 states have (on average 1.4) internal successors, (56), 41 states have internal predecessors, (56), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19)
[2024-11-03 01:52:26,891 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2024-11-03 01:52:26,891 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 01:52:26,892 INFO  L215           NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:52:26,892 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 01:52:26,896 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 01:52:26,897 INFO  L85        PathProgramCache]: Analyzing trace with hash -353626371, now seen corresponding path program 1 times
[2024-11-03 01:52:26,903 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 01:52:26,903 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1581801052]
[2024-11-03 01:52:26,903 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 01:52:26,905 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-03 01:52:26,905 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-03 01:52:26,907 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 01:52:26,908 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process
[2024-11-03 01:52:27,159 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 01:52:27,167 INFO  L255         TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 01:52:27,172 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 01:52:27,198 INFO  L134       CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked.
[2024-11-03 01:52:27,198 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 01:52:27,321 INFO  L134       CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked.
[2024-11-03 01:52:27,322 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 01:52:27,322 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1581801052]
[2024-11-03 01:52:27,322 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1581801052] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 01:52:27,322 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 01:52:27,323 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 01:52:27,325 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158995578]
[2024-11-03 01:52:27,325 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 01:52:27,330 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 01:52:27,330 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 01:52:27,346 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 01:52:27,346 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 01:52:27,348 INFO  L87              Difference]: Start difference. First operand  has 62 states, 40 states have (on average 1.4) internal successors, (56), 41 states have internal predecessors, (56), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand  has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19)
[2024-11-03 01:52:27,368 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 01:52:27,368 INFO  L93              Difference]: Finished difference Result 117 states and 201 transitions.
[2024-11-03 01:52:27,369 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 01:52:27,370 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) Word has length 123
[2024-11-03 01:52:27,370 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 01:52:27,375 INFO  L225             Difference]: With dead ends: 117
[2024-11-03 01:52:27,375 INFO  L226             Difference]: Without dead ends: 58
[2024-11-03 01:52:27,377 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 244 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 01:52:27,380 INFO  L432           NwaCegarLoop]: 87 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, 87 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 01:52:27,381 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 01:52:27,391 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 58 states.
[2024-11-03 01:52:27,405 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58.
[2024-11-03 01:52:27,407 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 58 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19)
[2024-11-03 01:52:27,408 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 87 transitions.
[2024-11-03 01:52:27,410 INFO  L78                 Accepts]: Start accepts. Automaton has 58 states and 87 transitions. Word has length 123
[2024-11-03 01:52:27,410 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 01:52:27,410 INFO  L471      AbstractCegarLoop]: Abstraction has 58 states and 87 transitions.
[2024-11-03 01:52:27,413 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19)
[2024-11-03 01:52:27,413 INFO  L276                IsEmpty]: Start isEmpty. Operand 58 states and 87 transitions.
[2024-11-03 01:52:27,415 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2024-11-03 01:52:27,415 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 01:52:27,415 INFO  L215           NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:52:27,421 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0
[2024-11-03 01:52:27,615 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt
[2024-11-03 01:52:27,616 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 01:52:27,617 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 01:52:27,617 INFO  L85        PathProgramCache]: Analyzing trace with hash -176196605, now seen corresponding path program 1 times
[2024-11-03 01:52:27,617 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 01:52:27,617 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1731714102]
[2024-11-03 01:52:27,617 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 01:52:27,617 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-03 01:52:27,618 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-03 01:52:27,620 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 01:52:27,620 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process
[2024-11-03 01:52:28,100 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 01:52:28,124 INFO  L255         TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-03 01:52:28,129 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 01:52:28,278 INFO  L134       CoverageAnalysis]: Checked inductivity of 684 backedges. 270 proven. 12 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked.
[2024-11-03 01:52:28,278 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 01:52:28,473 INFO  L134       CoverageAnalysis]: Checked inductivity of 684 backedges. 42 proven. 12 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked.
[2024-11-03 01:52:28,473 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 01:52:28,473 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1731714102]
[2024-11-03 01:52:28,473 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1731714102] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 01:52:28,473 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 01:52:28,474 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9
[2024-11-03 01:52:28,474 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518027832]
[2024-11-03 01:52:28,474 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 01:52:28,475 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-03 01:52:28,475 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 01:52:28,476 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-03 01:52:28,476 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-11-03 01:52:28,476 INFO  L87              Difference]: Start difference. First operand 58 states and 87 transitions. Second operand  has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24)
[2024-11-03 01:52:30,808 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 01:52:31,323 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 01:52:31,323 INFO  L93              Difference]: Finished difference Result 206 states and 305 transitions.
[2024-11-03 01:52:31,324 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-11-03 01:52:31,324 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 123
[2024-11-03 01:52:31,325 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 01:52:31,326 INFO  L225             Difference]: With dead ends: 206
[2024-11-03 01:52:31,326 INFO  L226             Difference]: Without dead ends: 151
[2024-11-03 01:52:31,329 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 237 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380
[2024-11-03 01:52:31,330 INFO  L432           NwaCegarLoop]: 103 mSDtfsCounter, 142 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time
[2024-11-03 01:52:31,330 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 385 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time]
[2024-11-03 01:52:31,331 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 151 states.
[2024-11-03 01:52:31,371 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 142.
[2024-11-03 01:52:31,372 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 142 states, 85 states have (on average 1.2470588235294118) internal successors, (106), 86 states have internal predecessors, (106), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52)
[2024-11-03 01:52:31,375 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 210 transitions.
[2024-11-03 01:52:31,376 INFO  L78                 Accepts]: Start accepts. Automaton has 142 states and 210 transitions. Word has length 123
[2024-11-03 01:52:31,376 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 01:52:31,376 INFO  L471      AbstractCegarLoop]: Abstraction has 142 states and 210 transitions.
[2024-11-03 01:52:31,377 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24)
[2024-11-03 01:52:31,377 INFO  L276                IsEmpty]: Start isEmpty. Operand 142 states and 210 transitions.
[2024-11-03 01:52:31,380 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 125
[2024-11-03 01:52:31,380 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 01:52:31,380 INFO  L215           NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:52:31,387 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0
[2024-11-03 01:52:31,581 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt
[2024-11-03 01:52:31,581 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 01:52:31,582 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 01:52:31,582 INFO  L85        PathProgramCache]: Analyzing trace with hash -2078721945, now seen corresponding path program 1 times
[2024-11-03 01:52:31,582 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 01:52:31,582 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1058427267]
[2024-11-03 01:52:31,582 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 01:52:31,582 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-03 01:52:31,582 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-03 01:52:31,583 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 01:52:31,584 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process
[2024-11-03 01:52:32,105 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 01:52:32,117 INFO  L255         TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 27 conjuncts are in the unsatisfiable core
[2024-11-03 01:52:32,127 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 01:52:54,210 WARN  L286               SmtUtils]: Spent 5.96s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-03 01:52:54,514 INFO  L134       CoverageAnalysis]: Checked inductivity of 684 backedges. 368 proven. 42 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked.
[2024-11-03 01:52:54,515 INFO  L311         TraceCheckSpWp]: Computing backward predicates...