/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_amount100_file-10.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 00:53:41,015 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 00:53:41,079 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 00:53:41,083 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 00:53:41,084 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 00:53:41,114 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 00:53:41,115 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 00:53:41,116 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 00:53:41,116 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 00:53:41,117 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 00:53:41,117 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 00:53:41,118 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 00:53:41,119 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 00:53:41,120 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 00:53:41,120 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 00:53:41,120 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 00:53:41,121 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 00:53:41,121 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 00:53:41,121 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 00:53:41,122 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 00:53:41,122 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 00:53:41,126 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 00:53:41,126 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 00:53:41,126 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 00:53:41,126 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 00:53:41,127 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 00:53:41,127 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 00:53:41,127 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 00:53:41,127 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 00:53:41,128 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 00:53:41,128 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 00:53:41,128 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 00:53:41,129 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 00:53:41,129 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 00:53:41,129 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 00:53:41,133 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 00:53:41,133 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 00:53:41,133 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 00:53:41,134 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 00:53:41,134 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 00:53:41,134 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 00:53:41,135 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 00:53:41,135 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 00:53:41,135 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 00:53:41,135 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt
[2024-11-03 00:53:41,376 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 00:53:41,402 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 00:53:41,404 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 00:53:41,405 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 00:53:41,405 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 00:53:41,407 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-10.i
[2024-11-03 00:53:42,868 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 00:53:43,059 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 00:53:43,059 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-10.i
[2024-11-03 00:53:43,070 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f23108ab8/251d20ff35194873bc3b45b12a600002/FLAGb20ccf984
[2024-11-03 00:53:43,082 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f23108ab8/251d20ff35194873bc3b45b12a600002
[2024-11-03 00:53:43,084 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 00:53:43,085 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 00:53:43,086 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 00:53:43,086 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 00:53:43,090 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 00:53:43,091 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:53:43" (1/1) ...
[2024-11-03 00:53:43,092 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65929aba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:53:43, skipping insertion in model container
[2024-11-03 00:53:43,092 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:53:43" (1/1) ...
[2024-11-03 00:53:43,122 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 00:53:43,282 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_amount100_file-10.i[916,929]
[2024-11-03 00:53:43,365 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 00:53:43,378 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 00:53:43,390 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_amount100_file-10.i[916,929]
[2024-11-03 00:53:43,442 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 00:53:43,466 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 00:53:43,469 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:53:43 WrapperNode
[2024-11-03 00:53:43,469 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 00:53:43,470 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 00:53:43,470 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 00:53:43,470 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 00:53:43,476 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:53:43" (1/1) ...
[2024-11-03 00:53:43,490 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:53:43" (1/1) ...
[2024-11-03 00:53:43,522 INFO  L138                Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 204
[2024-11-03 00:53:43,522 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 00:53:43,523 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 00:53:43,527 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 00:53:43,527 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 00:53:43,537 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:53:43" (1/1) ...
[2024-11-03 00:53:43,537 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:53:43" (1/1) ...
[2024-11-03 00:53:43,543 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:53:43" (1/1) ...
[2024-11-03 00:53:43,566 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 00:53:43,566 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:53:43" (1/1) ...
[2024-11-03 00:53:43,566 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:53:43" (1/1) ...
[2024-11-03 00:53:43,579 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:53:43" (1/1) ...
[2024-11-03 00:53:43,583 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:53:43" (1/1) ...
[2024-11-03 00:53:43,585 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:53:43" (1/1) ...
[2024-11-03 00:53:43,587 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:53:43" (1/1) ...
[2024-11-03 00:53:43,590 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 00:53:43,591 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 00:53:43,591 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 00:53:43,591 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 00:53:43,592 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:53:43" (1/1) ...
[2024-11-03 00:53:43,601 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 00:53:43,614 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 00:53:43,631 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 00:53:43,633 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 00:53:43,658 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 00:53:43,658 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 00:53:43,658 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 00:53:43,659 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 00:53:43,659 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 00:53:43,660 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 00:53:43,763 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 00:53:43,765 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 00:53:49,685 INFO  L?                        ?]: Removed 30 outVars from TransFormulas that were not future-live.
[2024-11-03 00:53:49,686 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 00:53:49,700 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 00:53:49,701 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 00:53:49,701 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:53:49 BoogieIcfgContainer
[2024-11-03 00:53:49,701 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 00:53:49,706 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 00:53:49,707 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 00:53:49,711 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 00:53:49,711 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:53:43" (1/3) ...
[2024-11-03 00:53:49,712 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e8865e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:53:49, skipping insertion in model container
[2024-11-03 00:53:49,712 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:53:43" (2/3) ...
[2024-11-03 00:53:49,712 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e8865e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:53:49, skipping insertion in model container
[2024-11-03 00:53:49,713 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:53:49" (3/3) ...
[2024-11-03 00:53:49,714 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-10.i
[2024-11-03 00:53:49,729 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 00:53:49,730 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 00:53:49,800 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 00:53:49,805 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;@2a708242, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 00:53:49,805 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 00:53:49,809 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 91 states, 60 states have (on average 1.4166666666666667) internal successors, (85), 61 states have internal predecessors, (85), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-03 00:53:49,821 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 187
[2024-11-03 00:53:49,821 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 00:53:49,822 INFO  L215           NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:53:49,822 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 00:53:49,826 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 00:53:49,826 INFO  L85        PathProgramCache]: Analyzing trace with hash -1130802316, now seen corresponding path program 1 times
[2024-11-03 00:53:49,833 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 00:53:49,833 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1805026316]
[2024-11-03 00:53:49,834 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 00:53:49,836 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-03 00:53:49,836 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-03 00:53:49,838 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 00:53:49,840 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 00:53:50,328 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 00:53:50,346 INFO  L255         TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 00:53:50,357 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 00:53:50,412 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked.
[2024-11-03 00:53:50,412 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 00:53:51,092 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked.
[2024-11-03 00:53:51,093 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 00:53:51,093 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1805026316]
[2024-11-03 00:53:51,093 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1805026316] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 00:53:51,094 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 00:53:51,094 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 00:53:51,095 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352275458]
[2024-11-03 00:53:51,096 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 00:53:51,103 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 00:53:51,103 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 00:53:51,122 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 00:53:51,123 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 00:53:51,125 INFO  L87              Difference]: Start difference. First operand  has 91 states, 60 states have (on average 1.4166666666666667) internal successors, (85), 61 states have internal predecessors, (85), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand  has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 1 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28)
[2024-11-03 00:53:51,150 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 00:53:51,150 INFO  L93              Difference]: Finished difference Result 175 states and 304 transitions.
[2024-11-03 00:53:51,151 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 00:53:51,153 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 1 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28) Word has length 186
[2024-11-03 00:53:51,154 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 00:53:51,160 INFO  L225             Difference]: With dead ends: 175
[2024-11-03 00:53:51,160 INFO  L226             Difference]: Without dead ends: 87
[2024-11-03 00:53:51,162 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 370 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 00:53:51,165 INFO  L432           NwaCegarLoop]: 133 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, 133 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 00:53:51,166 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 00:53:51,180 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 87 states.
[2024-11-03 00:53:51,209 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87.
[2024-11-03 00:53:51,211 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 87 states, 57 states have (on average 1.3508771929824561) internal successors, (77), 57 states have internal predecessors, (77), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-03 00:53:51,213 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 133 transitions.
[2024-11-03 00:53:51,215 INFO  L78                 Accepts]: Start accepts. Automaton has 87 states and 133 transitions. Word has length 186
[2024-11-03 00:53:51,215 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 00:53:51,215 INFO  L471      AbstractCegarLoop]: Abstraction has 87 states and 133 transitions.
[2024-11-03 00:53:51,215 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 1 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28)
[2024-11-03 00:53:51,216 INFO  L276                IsEmpty]: Start isEmpty. Operand 87 states and 133 transitions.
[2024-11-03 00:53:51,219 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 187
[2024-11-03 00:53:51,219 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 00:53:51,219 INFO  L215           NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:53:51,226 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 00:53:51,420 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 00:53:51,420 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 00:53:51,421 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 00:53:51,421 INFO  L85        PathProgramCache]: Analyzing trace with hash 1177038068, now seen corresponding path program 1 times
[2024-11-03 00:53:51,421 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 00:53:51,422 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1455113237]
[2024-11-03 00:53:51,422 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 00:53:51,422 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-03 00:53:51,423 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-03 00:53:51,424 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 00:53:51,425 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 00:53:52,690 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 00:53:52,734 INFO  L255         TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 00:53:52,740 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 00:53:52,849 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked.
[2024-11-03 00:53:52,849 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 00:53:53,670 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked.
[2024-11-03 00:53:53,671 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 00:53:53,671 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1455113237]
[2024-11-03 00:53:53,671 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1455113237] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 00:53:53,671 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 00:53:53,672 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4
[2024-11-03 00:53:53,672 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829978802]
[2024-11-03 00:53:53,672 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 00:53:53,676 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-03 00:53:53,677 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 00:53:53,677 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-03 00:53:53,678 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-03 00:53:53,678 INFO  L87              Difference]: Start difference. First operand 87 states and 133 transitions. Second operand  has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28)
[2024-11-03 00:53:57,855 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 00:53:58,365 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 00:53:58,365 INFO  L93              Difference]: Finished difference Result 171 states and 263 transitions.
[2024-11-03 00:53:58,410 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 00:53:58,411 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 186
[2024-11-03 00:53:58,412 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 00:53:58,414 INFO  L225             Difference]: With dead ends: 171
[2024-11-03 00:53:58,414 INFO  L226             Difference]: Without dead ends: 87
[2024-11-03 00:53:58,415 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-03 00:53:58,417 INFO  L432           NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time
[2024-11-03 00:53:58,417 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 259 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time]
[2024-11-03 00:53:58,418 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 87 states.
[2024-11-03 00:53:58,427 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87.
[2024-11-03 00:53:58,427 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 87 states, 57 states have (on average 1.3333333333333333) internal successors, (76), 57 states have internal predecessors, (76), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-03 00:53:58,429 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 132 transitions.
[2024-11-03 00:53:58,430 INFO  L78                 Accepts]: Start accepts. Automaton has 87 states and 132 transitions. Word has length 186
[2024-11-03 00:53:58,432 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 00:53:58,432 INFO  L471      AbstractCegarLoop]: Abstraction has 87 states and 132 transitions.
[2024-11-03 00:53:58,432 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28)
[2024-11-03 00:53:58,433 INFO  L276                IsEmpty]: Start isEmpty. Operand 87 states and 132 transitions.
[2024-11-03 00:53:58,437 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 187
[2024-11-03 00:53:58,438 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 00:53:58,438 INFO  L215           NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:53:58,452 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 00:53:58,641 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 00:53:58,642 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 00:53:58,642 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 00:53:58,642 INFO  L85        PathProgramCache]: Analyzing trace with hash -628400266, now seen corresponding path program 1 times
[2024-11-03 00:53:58,643 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 00:53:58,643 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1662794290]
[2024-11-03 00:53:58,643 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 00:53:58,643 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-03 00:53:58,643 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-03 00:53:58,645 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 00:53:58,646 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 00:54:00,024 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 00:54:00,044 INFO  L255         TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-03 00:54:00,050 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 00:54:00,850 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 277 proven. 6 refuted. 0 times theorem prover too weak. 1229 trivial. 0 not checked.
[2024-11-03 00:54:00,851 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 00:54:02,453 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 75 proven. 6 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked.
[2024-11-03 00:54:02,454 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 00:54:02,454 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1662794290]
[2024-11-03 00:54:02,454 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1662794290] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 00:54:02,454 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 00:54:02,455 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8
[2024-11-03 00:54:02,455 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269991242]
[2024-11-03 00:54:02,455 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 00:54:02,456 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-03 00:54:02,456 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 00:54:02,457 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-03 00:54:02,457 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2024-11-03 00:54:02,458 INFO  L87              Difference]: Start difference. First operand 87 states and 132 transitions. Second operand  has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31)
[2024-11-03 00:54:07,415 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 00:54:09,862 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 00:54:09,862 INFO  L93              Difference]: Finished difference Result 271 states and 404 transitions.
[2024-11-03 00:54:09,863 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-11-03 00:54:09,863 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 186
[2024-11-03 00:54:09,864 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 00:54:09,866 INFO  L225             Difference]: With dead ends: 271
[2024-11-03 00:54:09,866 INFO  L226             Difference]: Without dead ends: 187
[2024-11-03 00:54:09,867 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 364 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342
[2024-11-03 00:54:09,868 INFO  L432           NwaCegarLoop]: 171 mSDtfsCounter, 175 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time
[2024-11-03 00:54:09,869 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 488 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time]
[2024-11-03 00:54:09,870 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 187 states.
[2024-11-03 00:54:09,898 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 97.
[2024-11-03 00:54:09,899 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 97 states, 66 states have (on average 1.3333333333333333) internal successors, (88), 66 states have internal predecessors, (88), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-03 00:54:09,900 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 144 transitions.
[2024-11-03 00:54:09,900 INFO  L78                 Accepts]: Start accepts. Automaton has 97 states and 144 transitions. Word has length 186
[2024-11-03 00:54:09,901 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 00:54:09,901 INFO  L471      AbstractCegarLoop]: Abstraction has 97 states and 144 transitions.
[2024-11-03 00:54:09,901 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31)
[2024-11-03 00:54:09,901 INFO  L276                IsEmpty]: Start isEmpty. Operand 97 states and 144 transitions.
[2024-11-03 00:54:09,907 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 187
[2024-11-03 00:54:09,907 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 00:54:09,908 INFO  L215           NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:09,927 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0
[2024-11-03 00:54:10,108 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt
[2024-11-03 00:54:10,109 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 00:54:10,109 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 00:54:10,109 INFO  L85        PathProgramCache]: Analyzing trace with hash 753580086, now seen corresponding path program 1 times
[2024-11-03 00:54:10,109 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 00:54:10,110 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [38237112]
[2024-11-03 00:54:10,110 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 00:54:10,110 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-03 00:54:10,110 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-03 00:54:10,113 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 00:54:10,114 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process
[2024-11-03 00:54:11,884 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 00:54:11,904 INFO  L255         TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-11-03 00:54:11,908 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 00:54:18,417 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 287 proven. 207 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked.
[2024-11-03 00:54:18,417 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 00:54:23,426 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 12 proven. 69 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked.
[2024-11-03 00:54:23,427 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 00:54:23,427 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [38237112]
[2024-11-03 00:54:23,427 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [38237112] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 00:54:23,427 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 00:54:23,427 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6] total 16
[2024-11-03 00:54:23,428 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223418053]
[2024-11-03 00:54:23,428 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 00:54:23,428 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-11-03 00:54:23,428 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 00:54:23,429 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-11-03 00:54:23,429 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240
[2024-11-03 00:54:23,430 INFO  L87              Difference]: Start difference. First operand 97 states and 144 transitions. Second operand  has 16 states, 16 states have (on average 6.0625) internal successors, (97), 15 states have internal predecessors, (97), 5 states have call successors, (53), 4 states have call predecessors, (53), 6 states have return successors, (54), 5 states have call predecessors, (54), 5 states have call successors, (54)
[2024-11-03 00:54:31,383 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 00:54:33,887 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 00:54:35,897 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 00:54:36,095 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 00:54:36,096 INFO  L93              Difference]: Finished difference Result 207 states and 298 transitions.
[2024-11-03 00:54:36,143 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2024-11-03 00:54:36,144 INFO  L78                 Accepts]: Start accepts. Automaton has  has 16 states, 16 states have (on average 6.0625) internal successors, (97), 15 states have internal predecessors, (97), 5 states have call successors, (53), 4 states have call predecessors, (53), 6 states have return successors, (54), 5 states have call predecessors, (54), 5 states have call successors, (54) Word has length 186
[2024-11-03 00:54:36,144 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 00:54:36,146 INFO  L225             Difference]: With dead ends: 207
[2024-11-03 00:54:36,146 INFO  L226             Difference]: Without dead ends: 113
[2024-11-03 00:54:36,148 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462
[2024-11-03 00:54:36,149 INFO  L432           NwaCegarLoop]: 90 mSDtfsCounter, 118 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 24 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time
[2024-11-03 00:54:36,149 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 456 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 458 Invalid, 1 Unknown, 0 Unchecked, 11.9s Time]
[2024-11-03 00:54:36,150 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 113 states.
[2024-11-03 00:54:36,167 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 109.
[2024-11-03 00:54:36,167 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 109 states, 75 states have (on average 1.24) internal successors, (93), 75 states have internal predecessors, (93), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-03 00:54:36,168 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 149 transitions.
[2024-11-03 00:54:36,168 INFO  L78                 Accepts]: Start accepts. Automaton has 109 states and 149 transitions. Word has length 186
[2024-11-03 00:54:36,169 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 00:54:36,169 INFO  L471      AbstractCegarLoop]: Abstraction has 109 states and 149 transitions.
[2024-11-03 00:54:36,169 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 16 states, 16 states have (on average 6.0625) internal successors, (97), 15 states have internal predecessors, (97), 5 states have call successors, (53), 4 states have call predecessors, (53), 6 states have return successors, (54), 5 states have call predecessors, (54), 5 states have call successors, (54)
[2024-11-03 00:54:36,170 INFO  L276                IsEmpty]: Start isEmpty. Operand 109 states and 149 transitions.
[2024-11-03 00:54:36,171 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 188
[2024-11-03 00:54:36,171 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 00:54:36,172 INFO  L215           NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:36,194 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0
[2024-11-03 00:54:36,372 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt
[2024-11-03 00:54:36,373 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 00:54:36,373 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 00:54:36,373 INFO  L85        PathProgramCache]: Analyzing trace with hash 1046012224, now seen corresponding path program 1 times
[2024-11-03 00:54:36,373 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 00:54:36,374 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1692335709]
[2024-11-03 00:54:36,374 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 00:54:36,374 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-03 00:54:36,374 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-03 00:54:36,375 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 00:54:36,376 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process
[2024-11-03 00:55:05,508 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 00:55:05,540 INFO  L255         TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 65 conjuncts are in the unsatisfiable core
[2024-11-03 00:55:05,551 INFO  L278         TraceCheckSpWp]: Computing forward predicates...