/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_amount10_file-27.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 01:07:15,862 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 01:07:15,949 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-03 01:07:15,957 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 01:07:15,957 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 01:07:15,988 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 01:07:15,989 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 01:07:15,989 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 01:07:15,990 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 01:07:15,991 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 01:07:15,992 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 01:07:15,992 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 01:07:15,994 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 01:07:15,995 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 01:07:15,995 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 01:07:15,995 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 01:07:15,995 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 01:07:15,997 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 01:07:15,997 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 01:07:15,997 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 01:07:15,998 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 01:07:15,998 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 01:07:15,998 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 01:07:15,998 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 01:07:15,999 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 01:07:15,999 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 01:07:15,999 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 01:07:15,999 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 01:07:15,999 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 01:07:16,000 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 01:07:16,000 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 01:07:16,000 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 01:07:16,000 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 01:07:16,000 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 01:07:16,001 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 01:07:16,001 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 01:07:16,001 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 01:07:16,002 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 01:07:16,002 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 01:07:16,003 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 01:07:16,003 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 01:07:16,003 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 01:07:16,003 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 01:07:16,003 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 01:07:16,003 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt
[2024-11-03 01:07:16,216 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 01:07:16,237 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 01:07:16,239 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 01:07:16,240 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 01:07:16,241 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 01:07:16,242 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-27.i
[2024-11-03 01:07:17,721 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 01:07:17,905 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 01:07:17,905 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-27.i
[2024-11-03 01:07:17,911 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c244c0a3c/b31d750bb57d44448d559456327c39a2/FLAG8c6496e03
[2024-11-03 01:07:17,924 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c244c0a3c/b31d750bb57d44448d559456327c39a2
[2024-11-03 01:07:17,927 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 01:07:17,928 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 01:07:17,929 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 01:07:17,929 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 01:07:17,938 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 01:07:17,939 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:07:17" (1/1) ...
[2024-11-03 01:07:17,940 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a4e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:17, skipping insertion in model container
[2024-11-03 01:07:17,940 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:07:17" (1/1) ...
[2024-11-03 01:07:17,968 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 01:07:18,146 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_amount10_file-27.i[915,928]
[2024-11-03 01:07:18,173 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 01:07:18,185 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 01:07:18,196 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_amount10_file-27.i[915,928]
[2024-11-03 01:07:18,207 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 01:07:18,228 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 01:07:18,228 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:18 WrapperNode
[2024-11-03 01:07:18,228 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 01:07:18,230 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 01:07:18,230 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 01:07:18,230 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 01:07:18,236 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:18" (1/1) ...
[2024-11-03 01:07:18,244 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:18" (1/1) ...
[2024-11-03 01:07:18,263 INFO  L138                Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 62
[2024-11-03 01:07:18,264 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 01:07:18,265 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 01:07:18,265 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 01:07:18,265 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 01:07:18,277 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:18" (1/1) ...
[2024-11-03 01:07:18,277 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:18" (1/1) ...
[2024-11-03 01:07:18,280 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:18" (1/1) ...
[2024-11-03 01:07:18,292 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-03 01:07:18,292 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:18" (1/1) ...
[2024-11-03 01:07:18,292 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:18" (1/1) ...
[2024-11-03 01:07:18,298 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:18" (1/1) ...
[2024-11-03 01:07:18,301 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:18" (1/1) ...
[2024-11-03 01:07:18,303 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:18" (1/1) ...
[2024-11-03 01:07:18,304 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:18" (1/1) ...
[2024-11-03 01:07:18,307 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 01:07:18,308 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 01:07:18,308 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 01:07:18,308 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 01:07:18,309 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:18" (1/1) ...
[2024-11-03 01:07:18,315 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 01:07:18,331 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 01:07:18,355 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-03 01:07:18,362 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-03 01:07:18,385 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 01:07:18,385 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 01:07:18,385 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 01:07:18,386 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 01:07:18,386 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 01:07:18,387 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 01:07:18,473 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 01:07:18,475 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 01:07:19,607 INFO  L?                        ?]: Removed 8 outVars from TransFormulas that were not future-live.
[2024-11-03 01:07:19,608 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 01:07:19,620 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 01:07:19,624 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 01:07:19,625 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:07:19 BoogieIcfgContainer
[2024-11-03 01:07:19,625 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 01:07:19,629 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 01:07:19,629 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 01:07:19,632 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 01:07:19,632 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:07:17" (1/3) ...
[2024-11-03 01:07:19,635 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d130ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:07:19, skipping insertion in model container
[2024-11-03 01:07:19,635 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:18" (2/3) ...
[2024-11-03 01:07:19,636 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d130ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:07:19, skipping insertion in model container
[2024-11-03 01:07:19,636 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:07:19" (3/3) ...
[2024-11-03 01:07:19,638 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-27.i
[2024-11-03 01:07:19,656 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 01:07:19,656 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 01:07:19,712 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 01:07:19,718 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;@22bd04ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 01:07:19,718 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 01:07:19,723 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 29 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 22 states have internal predecessors, (28), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-11-03 01:07:19,728 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2024-11-03 01:07:19,729 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 01:07:19,729 INFO  L215           NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 01:07:19,730 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 01:07:19,734 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 01:07:19,734 INFO  L85        PathProgramCache]: Analyzing trace with hash 1900380128, now seen corresponding path program 1 times
[2024-11-03 01:07:19,740 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 01:07:19,741 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1329651249]
[2024-11-03 01:07:19,741 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 01:07:19,742 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-03 01:07:19,743 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-03 01:07:19,744 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 01:07:19,745 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process
[2024-11-03 01:07:19,911 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 01:07:19,916 INFO  L255         TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 01:07:19,921 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 01:07:19,943 INFO  L134       CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2024-11-03 01:07:19,944 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 01:07:20,012 INFO  L134       CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2024-11-03 01:07:20,013 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 01:07:20,014 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1329651249]
[2024-11-03 01:07:20,015 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1329651249] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 01:07:20,015 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 01:07:20,015 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 01:07:20,017 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153586202]
[2024-11-03 01:07:20,018 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 01:07:20,022 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 01:07:20,022 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 01:07:20,041 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 01:07:20,042 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 01:07:20,044 INFO  L87              Difference]: Start difference. First operand  has 29 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 22 states have internal predecessors, (28), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand  has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5)
[2024-11-03 01:07:20,060 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 01:07:20,071 INFO  L93              Difference]: Finished difference Result 51 states and 75 transitions.
[2024-11-03 01:07:20,072 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 01:07:20,074 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 38
[2024-11-03 01:07:20,074 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 01:07:20,084 INFO  L225             Difference]: With dead ends: 51
[2024-11-03 01:07:20,084 INFO  L226             Difference]: Without dead ends: 25
[2024-11-03 01:07:20,087 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 01:07:20,090 INFO  L432           NwaCegarLoop]: 31 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, 31 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-03 01:07:20,091 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 01:07:20,104 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2024-11-03 01:07:20,117 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25.
[2024-11-03 01:07:20,118 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 25 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-11-03 01:07:20,118 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions.
[2024-11-03 01:07:20,120 INFO  L78                 Accepts]: Start accepts. Automaton has 25 states and 31 transitions. Word has length 38
[2024-11-03 01:07:20,120 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 01:07:20,120 INFO  L471      AbstractCegarLoop]: Abstraction has 25 states and 31 transitions.
[2024-11-03 01:07:20,120 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5)
[2024-11-03 01:07:20,121 INFO  L276                IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions.
[2024-11-03 01:07:20,122 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2024-11-03 01:07:20,122 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 01:07:20,122 INFO  L215           NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 01:07:20,125 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0
[2024-11-03 01:07:20,323 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt
[2024-11-03 01:07:20,323 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 01:07:20,324 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 01:07:20,324 INFO  L85        PathProgramCache]: Analyzing trace with hash 1246565858, now seen corresponding path program 1 times
[2024-11-03 01:07:20,325 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 01:07:20,325 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1331401092]
[2024-11-03 01:07:20,325 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 01:07:20,325 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-03 01:07:20,325 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-03 01:07:20,326 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 01:07:20,327 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process
[2024-11-03 01:07:20,580 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 01:07:20,584 INFO  L255         TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-11-03 01:07:20,588 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 01:07:30,876 INFO  L134       CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2024-11-03 01:07:30,876 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 01:07:37,698 INFO  L134       CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2024-11-03 01:07:37,698 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 01:07:37,699 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1331401092]
[2024-11-03 01:07:37,699 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1331401092] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 01:07:37,699 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 01:07:37,699 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10
[2024-11-03 01:07:37,699 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178147222]
[2024-11-03 01:07:37,700 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 01:07:37,702 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-03 01:07:37,702 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 01:07:37,703 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-03 01:07:37,703 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90
[2024-11-03 01:07:37,704 INFO  L87              Difference]: Start difference. First operand 25 states and 31 transitions. Second operand  has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)
[2024-11-03 01:08:00,606 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1]
[2024-11-03 01:08:00,807 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 01:08:00,808 INFO  L93              Difference]: Finished difference Result 53 states and 60 transitions.
[2024-11-03 01:08:00,808 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-03 01:08:00,809 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 38
[2024-11-03 01:08:00,809 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 01:08:00,810 INFO  L225             Difference]: With dead ends: 53
[2024-11-03 01:08:00,810 INFO  L226             Difference]: Without dead ends: 51
[2024-11-03 01:08:00,811 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 21.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132
[2024-11-03 01:08:00,813 INFO  L432           NwaCegarLoop]: 35 mSDtfsCounter, 55 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time
[2024-11-03 01:08:00,814 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 185 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time]
[2024-11-03 01:08:00,815 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2024-11-03 01:08:00,824 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 32.
[2024-11-03 01:08:00,824 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 32 states, 24 states have (on average 1.125) internal successors, (27), 24 states have internal predecessors, (27), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-11-03 01:08:00,825 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions.
[2024-11-03 01:08:00,825 INFO  L78                 Accepts]: Start accepts. Automaton has 32 states and 37 transitions. Word has length 38
[2024-11-03 01:08:00,826 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 01:08:00,826 INFO  L471      AbstractCegarLoop]: Abstraction has 32 states and 37 transitions.
[2024-11-03 01:08:00,826 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)
[2024-11-03 01:08:00,826 INFO  L276                IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions.
[2024-11-03 01:08:00,827 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2024-11-03 01:08:00,827 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 01:08:00,828 INFO  L215           NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 01:08:00,835 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0
[2024-11-03 01:08:01,028 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt
[2024-11-03 01:08:01,029 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 01:08:01,029 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 01:08:01,029 INFO  L85        PathProgramCache]: Analyzing trace with hash -244877362, now seen corresponding path program 1 times
[2024-11-03 01:08:01,029 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 01:08:01,030 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1532071480]
[2024-11-03 01:08:01,030 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 01:08:01,030 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-03 01:08:01,030 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-03 01:08:01,031 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 01:08:01,032 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process
[2024-11-03 01:08:01,333 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 01:08:01,338 INFO  L255         TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 15 conjuncts are in the unsatisfiable core
[2024-11-03 01:08:01,342 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 01:08:19,808 WARN  L286               SmtUtils]: Spent 7.07s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-03 01:08:35,343 WARN  L286               SmtUtils]: Spent 6.10s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-03 01:08:39,735 INFO  L134       CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2024-11-03 01:08:39,735 INFO  L311         TraceCheckSpWp]: Computing backward predicates...