/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_floatingpointinfluence_has-floats_file-97.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 00:41:05,628 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 00:41:05,694 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 00:41:05,699 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 00:41:05,702 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 00:41:05,730 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 00:41:05,730 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 00:41:05,731 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 00:41:05,731 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 00:41:05,732 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 00:41:05,732 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 00:41:05,732 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 00:41:05,733 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 00:41:05,733 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 00:41:05,733 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 00:41:05,734 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 00:41:05,734 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 00:41:05,735 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 00:41:05,735 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 00:41:05,735 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 00:41:05,735 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 00:41:05,737 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 00:41:05,738 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 00:41:05,738 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 00:41:05,738 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 00:41:05,739 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 00:41:05,739 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 00:41:05,739 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 00:41:05,739 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 00:41:05,740 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 00:41:05,740 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 00:41:05,740 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 00:41:05,740 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 00:41:05,741 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 00:41:05,741 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 00:41:05,741 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 00:41:05,742 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 00:41:05,742 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 00:41:05,742 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 00:41:05,742 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 00:41:05,743 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 00:41:05,745 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 00:41:05,745 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 00:41:05,745 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 00:41:05,745 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt
[2024-11-03 00:41:05,972 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 00:41:05,994 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 00:41:05,997 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 00:41:05,998 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 00:41:05,998 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 00:41:05,999 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-97.i
[2024-11-03 00:41:07,530 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 00:41:07,719 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 00:41:07,720 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-97.i
[2024-11-03 00:41:07,728 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4d6178c1/80ca586c79e545eeaa9f40cdf225a5cb/FLAG0926469a5
[2024-11-03 00:41:08,112 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4d6178c1/80ca586c79e545eeaa9f40cdf225a5cb
[2024-11-03 00:41:08,114 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 00:41:08,115 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 00:41:08,116 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 00:41:08,116 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 00:41:08,120 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 00:41:08,121 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:41:08" (1/1) ...
[2024-11-03 00:41:08,121 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12c02ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:41:08, skipping insertion in model container
[2024-11-03 00:41:08,122 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:41:08" (1/1) ...
[2024-11-03 00:41:08,141 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 00:41:08,279 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-97.i[917,930]
[2024-11-03 00:41:08,314 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 00:41:08,327 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 00:41:08,342 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-97.i[917,930]
[2024-11-03 00:41:08,360 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 00:41:08,380 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 00:41:08,381 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:41:08 WrapperNode
[2024-11-03 00:41:08,381 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 00:41:08,382 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 00:41:08,382 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 00:41:08,382 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 00:41:08,388 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:41:08" (1/1) ...
[2024-11-03 00:41:08,396 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:41:08" (1/1) ...
[2024-11-03 00:41:08,420 INFO  L138                Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110
[2024-11-03 00:41:08,421 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 00:41:08,422 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 00:41:08,422 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 00:41:08,422 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 00:41:08,430 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:41:08" (1/1) ...
[2024-11-03 00:41:08,431 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:41:08" (1/1) ...
[2024-11-03 00:41:08,434 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:41:08" (1/1) ...
[2024-11-03 00:41:08,444 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 00:41:08,444 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:41:08" (1/1) ...
[2024-11-03 00:41:08,444 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:41:08" (1/1) ...
[2024-11-03 00:41:08,451 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:41:08" (1/1) ...
[2024-11-03 00:41:08,454 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:41:08" (1/1) ...
[2024-11-03 00:41:08,456 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:41:08" (1/1) ...
[2024-11-03 00:41:08,457 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:41:08" (1/1) ...
[2024-11-03 00:41:08,460 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 00:41:08,461 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 00:41:08,461 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 00:41:08,462 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 00:41:08,462 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:41:08" (1/1) ...
[2024-11-03 00:41:08,467 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 00:41:08,481 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 00:41:08,492 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 00:41:08,494 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 00:41:08,513 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 00:41:08,514 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 00:41:08,514 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 00:41:08,514 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 00:41:08,514 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 00:41:08,514 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 00:41:08,579 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 00:41:08,596 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 00:41:08,840 INFO  L?                        ?]: Removed 8 outVars from TransFormulas that were not future-live.
[2024-11-03 00:41:08,840 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 00:41:08,854 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 00:41:08,854 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 00:41:08,855 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:41:08 BoogieIcfgContainer
[2024-11-03 00:41:08,855 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 00:41:08,858 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 00:41:08,858 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 00:41:08,862 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 00:41:08,863 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:41:08" (1/3) ...
[2024-11-03 00:41:08,864 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad47e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:41:08, skipping insertion in model container
[2024-11-03 00:41:08,864 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:41:08" (2/3) ...
[2024-11-03 00:41:08,864 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad47e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:41:08, skipping insertion in model container
[2024-11-03 00:41:08,864 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:41:08" (3/3) ...
[2024-11-03 00:41:08,865 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-97.i
[2024-11-03 00:41:08,880 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 00:41:08,881 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 00:41:08,936 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 00:41:08,942 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;@3c99134a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 00:41:08,942 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 00:41:08,947 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 52 states, 32 states have (on average 1.375) internal successors, (44), 33 states have internal predecessors, (44), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17)
[2024-11-03 00:41:08,960 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 107
[2024-11-03 00:41:08,961 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 00:41:08,961 INFO  L215           NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:41:08,962 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 00:41:08,969 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 00:41:08,970 INFO  L85        PathProgramCache]: Analyzing trace with hash -1977812467, now seen corresponding path program 1 times
[2024-11-03 00:41:08,979 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 00:41:08,980 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [495022197]
[2024-11-03 00:41:08,980 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 00:41:08,982 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-03 00:41:08,982 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-03 00:41:08,984 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 00:41:08,985 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 00:41:09,192 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 00:41:09,198 INFO  L255         TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 00:41:09,207 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 00:41:09,250 INFO  L134       CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked.
[2024-11-03 00:41:09,250 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 00:41:09,353 INFO  L134       CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked.
[2024-11-03 00:41:09,354 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 00:41:09,354 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [495022197]
[2024-11-03 00:41:09,356 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [495022197] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 00:41:09,356 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 00:41:09,356 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 00:41:09,358 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817632597]
[2024-11-03 00:41:09,358 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 00:41:09,363 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 00:41:09,363 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 00:41:09,387 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 00:41:09,388 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 00:41:09,390 INFO  L87              Difference]: Start difference. First operand  has 52 states, 32 states have (on average 1.375) internal successors, (44), 33 states have internal predecessors, (44), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand  has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17)
[2024-11-03 00:41:09,412 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 00:41:09,412 INFO  L93              Difference]: Finished difference Result 97 states and 167 transitions.
[2024-11-03 00:41:09,413 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 00:41:09,415 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 106
[2024-11-03 00:41:09,415 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 00:41:09,422 INFO  L225             Difference]: With dead ends: 97
[2024-11-03 00:41:09,423 INFO  L226             Difference]: Without dead ends: 48
[2024-11-03 00:41:09,427 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 210 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 00:41:09,432 INFO  L432           NwaCegarLoop]: 71 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, 71 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 00:41:09,432 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 00:41:09,446 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 48 states.
[2024-11-03 00:41:09,462 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48.
[2024-11-03 00:41:09,463 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 48 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 29 states have internal predecessors, (37), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17)
[2024-11-03 00:41:09,465 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 71 transitions.
[2024-11-03 00:41:09,467 INFO  L78                 Accepts]: Start accepts. Automaton has 48 states and 71 transitions. Word has length 106
[2024-11-03 00:41:09,467 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 00:41:09,468 INFO  L471      AbstractCegarLoop]: Abstraction has 48 states and 71 transitions.
[2024-11-03 00:41:09,468 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17)
[2024-11-03 00:41:09,468 INFO  L276                IsEmpty]: Start isEmpty. Operand 48 states and 71 transitions.
[2024-11-03 00:41:09,472 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 107
[2024-11-03 00:41:09,473 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 00:41:09,474 INFO  L215           NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:41:09,478 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 00:41:09,674 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 00:41:09,675 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 00:41:09,676 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 00:41:09,676 INFO  L85        PathProgramCache]: Analyzing trace with hash -846381169, now seen corresponding path program 1 times
[2024-11-03 00:41:09,676 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 00:41:09,676 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [627190968]
[2024-11-03 00:41:09,676 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 00:41:09,677 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-03 00:41:09,677 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-03 00:41:09,678 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 00:41:09,679 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 00:41:09,954 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 00:41:09,962 INFO  L255         TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-11-03 00:41:09,968 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 00:41:10,515 INFO  L134       CoverageAnalysis]: Checked inductivity of 544 backedges. 294 proven. 36 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked.
[2024-11-03 00:41:10,515 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 00:41:10,840 INFO  L134       CoverageAnalysis]: Checked inductivity of 544 backedges. 63 proven. 30 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked.
[2024-11-03 00:41:10,841 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 00:41:10,841 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [627190968]
[2024-11-03 00:41:10,843 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [627190968] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 00:41:10,843 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 00:41:10,843 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 18
[2024-11-03 00:41:10,843 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370811644]
[2024-11-03 00:41:10,843 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 00:41:10,846 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2024-11-03 00:41:10,846 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 00:41:10,847 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2024-11-03 00:41:10,848 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306
[2024-11-03 00:41:10,848 INFO  L87              Difference]: Start difference. First operand 48 states and 71 transitions. Second operand  has 18 states, 18 states have (on average 2.7222222222222223) internal successors, (49), 18 states have internal predecessors, (49), 5 states have call successors, (23), 4 states have call predecessors, (23), 7 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24)
[2024-11-03 00:41:11,677 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 00:41:11,678 INFO  L93              Difference]: Finished difference Result 129 states and 184 transitions.
[2024-11-03 00:41:11,678 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2024-11-03 00:41:11,679 INFO  L78                 Accepts]: Start accepts. Automaton has  has 18 states, 18 states have (on average 2.7222222222222223) internal successors, (49), 18 states have internal predecessors, (49), 5 states have call successors, (23), 4 states have call predecessors, (23), 7 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) Word has length 106
[2024-11-03 00:41:11,679 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 00:41:11,681 INFO  L225             Difference]: With dead ends: 129
[2024-11-03 00:41:11,681 INFO  L226             Difference]: Without dead ends: 84
[2024-11-03 00:41:11,685 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 196 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=321, Invalid=801, Unknown=0, NotChecked=0, Total=1122
[2024-11-03 00:41:11,686 INFO  L432           NwaCegarLoop]: 70 mSDtfsCounter, 125 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-03 00:41:11,687 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 243 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-03 00:41:11,689 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 84 states.
[2024-11-03 00:41:11,718 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 76.
[2024-11-03 00:41:11,719 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 76 states, 44 states have (on average 1.1136363636363635) internal successors, (49), 45 states have internal predecessors, (49), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27)
[2024-11-03 00:41:11,721 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 103 transitions.
[2024-11-03 00:41:11,722 INFO  L78                 Accepts]: Start accepts. Automaton has 76 states and 103 transitions. Word has length 106
[2024-11-03 00:41:11,722 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 00:41:11,723 INFO  L471      AbstractCegarLoop]: Abstraction has 76 states and 103 transitions.
[2024-11-03 00:41:11,723 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 18 states, 18 states have (on average 2.7222222222222223) internal successors, (49), 18 states have internal predecessors, (49), 5 states have call successors, (23), 4 states have call predecessors, (23), 7 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24)
[2024-11-03 00:41:11,723 INFO  L276                IsEmpty]: Start isEmpty. Operand 76 states and 103 transitions.
[2024-11-03 00:41:11,727 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 108
[2024-11-03 00:41:11,727 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 00:41:11,727 INFO  L215           NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:41:11,734 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0
[2024-11-03 00:41:11,932 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 00:41:11,933 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 00:41:11,933 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 00:41:11,934 INFO  L85        PathProgramCache]: Analyzing trace with hash -873500618, now seen corresponding path program 1 times
[2024-11-03 00:41:11,934 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 00:41:11,934 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352647451]
[2024-11-03 00:41:11,934 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 00:41:11,934 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-03 00:41:11,935 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-03 00:41:11,937 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 00:41:11,939 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 00:41:12,292 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 00:41:12,299 INFO  L255         TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 28 conjuncts are in the unsatisfiable core
[2024-11-03 00:41:12,307 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 00:41:24,389 INFO  L134       CoverageAnalysis]: Checked inductivity of 544 backedges. 310 proven. 84 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked.
[2024-11-03 00:41:24,389 INFO  L311         TraceCheckSpWp]: Computing backward predicates...