/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 bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-77.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 12:37:12,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 12:37:12,122 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 12:37:12,126 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 12:37:12,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 12:37:12,152 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 12:37:12,153 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 12:37:12,153 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 12:37:12,154 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 12:37:12,154 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 12:37:12,155 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 12:37:12,155 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 12:37:12,157 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 12:37:12,160 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 12:37:12,160 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 12:37:12,161 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 12:37:12,161 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 12:37:12,161 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 12:37:12,162 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 12:37:12,162 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 12:37:12,162 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 12:37:12,162 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 12:37:12,163 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 12:37:12,163 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 12:37:12,163 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 12:37:12,163 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 12:37:12,164 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 12:37:12,164 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 12:37:12,164 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 12:37:12,164 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 12:37:12,165 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 12:37:12,165 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 12:37:12,165 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 12:37:12,165 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 12:37:12,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 12:37:12,166 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 12:37:12,166 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 12:37:12,167 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 12:37:12,167 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 12:37:12,167 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 12:37:12,167 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 12:37:12,168 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 12:37:12,168 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 12:37:12,168 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 12:37:12,168 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-03 12:37:12,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 12:37:12,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 12:37:12,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 12:37:12,411 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 12:37:12,411 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 12:37:12,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-77.i [2024-11-03 12:37:13,826 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 12:37:14,032 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 12:37:14,032 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-77.i [2024-11-03 12:37:14,042 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e144a679c/d9f149a44441440b86d696def11c2160/FLAGe4759de33 [2024-11-03 12:37:14,054 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e144a679c/d9f149a44441440b86d696def11c2160 [2024-11-03 12:37:14,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 12:37:14,056 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 12:37:14,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 12:37:14,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 12:37:14,062 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 12:37:14,063 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:37:14" (1/1) ... [2024-11-03 12:37:14,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57351310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:14, skipping insertion in model container [2024-11-03 12:37:14,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:37:14" (1/1) ... [2024-11-03 12:37:14,096 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 12:37:14,250 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-77.i[916,929] [2024-11-03 12:37:14,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 12:37:14,351 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 12:37:14,360 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-77.i[916,929] [2024-11-03 12:37:14,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 12:37:14,441 INFO L204 MainTranslator]: Completed translation [2024-11-03 12:37:14,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:14 WrapperNode [2024-11-03 12:37:14,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 12:37:14,443 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 12:37:14,443 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 12:37:14,443 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 12:37:14,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:14" (1/1) ... [2024-11-03 12:37:14,463 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:14" (1/1) ... [2024-11-03 12:37:14,490 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 203 [2024-11-03 12:37:14,490 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 12:37:14,491 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 12:37:14,491 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 12:37:14,491 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 12:37:14,504 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:14" (1/1) ... [2024-11-03 12:37:14,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:14" (1/1) ... [2024-11-03 12:37:14,512 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:14" (1/1) ... [2024-11-03 12:37:14,525 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 12:37:14,525 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:14" (1/1) ... [2024-11-03 12:37:14,525 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:14" (1/1) ... [2024-11-03 12:37:14,536 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:14" (1/1) ... [2024-11-03 12:37:14,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:14" (1/1) ... [2024-11-03 12:37:14,542 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:14" (1/1) ... [2024-11-03 12:37:14,543 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:14" (1/1) ... [2024-11-03 12:37:14,548 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 12:37:14,549 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 12:37:14,549 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 12:37:14,550 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 12:37:14,550 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:14" (1/1) ... [2024-11-03 12:37:14,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 12:37:14,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 12:37:14,583 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 12:37:14,586 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 12:37:14,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 12:37:14,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 12:37:14,611 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 12:37:14,611 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 12:37:14,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 12:37:14,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 12:37:14,714 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 12:37:14,716 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 12:37:26,355 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-03 12:37:26,355 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 12:37:26,368 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 12:37:26,369 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 12:37:26,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:37:26 BoogieIcfgContainer [2024-11-03 12:37:26,369 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 12:37:26,371 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 12:37:26,371 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 12:37:26,377 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 12:37:26,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:37:14" (1/3) ... [2024-11-03 12:37:26,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bafcffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:37:26, skipping insertion in model container [2024-11-03 12:37:26,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:37:14" (2/3) ... [2024-11-03 12:37:26,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bafcffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:37:26, skipping insertion in model container [2024-11-03 12:37:26,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:37:26" (3/3) ... [2024-11-03 12:37:26,383 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-77.i [2024-11-03 12:37:26,402 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 12:37:26,402 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 12:37:26,454 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 12:37:26,459 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;@55cbc96b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 12:37:26,459 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 12:37:26,464 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 57 states have internal predecessors, (80), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-03 12:37:26,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-03 12:37:26,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 12:37:26,476 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:37:26,477 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 12:37:26,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 12:37:26,481 INFO L85 PathProgramCache]: Analyzing trace with hash 881063641, now seen corresponding path program 1 times [2024-11-03 12:37:26,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 12:37:26,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2018243129] [2024-11-03 12:37:26,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 12:37:26,491 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 12:37:26,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:37:26,493 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 12:37:26,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-03 12:37:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 12:37:26,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 12:37:26,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 12:37:26,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2024-11-03 12:37:26,729 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 12:37:27,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2024-11-03 12:37:27,455 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 12:37:27,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2018243129] [2024-11-03 12:37:27,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2018243129] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 12:37:27,456 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 12:37:27,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-03 12:37:27,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565269368] [2024-11-03 12:37:27,458 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 12:37:27,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 12:37:27,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 12:37:27,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 12:37:27,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 12:37:27,483 INFO L87 Difference]: Start difference. First operand has 84 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 57 states have internal predecessors, (80), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-03 12:37:27,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 12:37:27,518 INFO L93 Difference]: Finished difference Result 161 states and 279 transitions. [2024-11-03 12:37:27,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 12:37:27,521 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 1 states have call successors, (25) Word has length 168 [2024-11-03 12:37:27,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 12:37:27,529 INFO L225 Difference]: With dead ends: 161 [2024-11-03 12:37:27,530 INFO L226 Difference]: Without dead ends: 80 [2024-11-03 12:37:27,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 334 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 12:37:27,539 INFO L432 NwaCegarLoop]: 123 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, 123 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 12:37:27,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 12:37:27,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-03 12:37:27,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-03 12:37:27,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 53 states have internal predecessors, (73), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-03 12:37:27,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 123 transitions. [2024-11-03 12:37:27,587 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 123 transitions. Word has length 168 [2024-11-03 12:37:27,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 12:37:27,588 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 123 transitions. [2024-11-03 12:37:27,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-03 12:37:27,588 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 123 transitions. [2024-11-03 12:37:27,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-03 12:37:27,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 12:37:27,592 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:37:27,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Forceful destruction successful, exit code 0 [2024-11-03 12:37:27,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:37:27,796 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 12:37:27,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 12:37:27,797 INFO L85 PathProgramCache]: Analyzing trace with hash -784404569, now seen corresponding path program 1 times [2024-11-03 12:37:27,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 12:37:27,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2111659363] [2024-11-03 12:37:27,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 12:37:27,797 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 12:37:27,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:37:27,800 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 12:37:27,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-03 12:37:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 12:37:27,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-03 12:37:27,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 12:37:30,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-03 12:37:30,041 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 12:37:31,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-03 12:37:31,342 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 12:37:31,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2111659363] [2024-11-03 12:37:31,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2111659363] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 12:37:31,342 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 12:37:31,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2024-11-03 12:37:31,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073860506] [2024-11-03 12:37:31,343 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 12:37:31,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 12:37:31,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 12:37:31,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 12:37:31,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-03 12:37:31,347 INFO L87 Difference]: Start difference. First operand 80 states and 123 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-03 12:37:37,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 12:37:41,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 12:37:45,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 12:37:49,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 12:37:53,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 12:37:57,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 12:38:01,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 12:38:01,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 12:38:01,831 INFO L93 Difference]: Finished difference Result 234 states and 363 transitions. [2024-11-03 12:38:01,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-03 12:38:01,833 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 168 [2024-11-03 12:38:01,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 12:38:01,837 INFO L225 Difference]: With dead ends: 234 [2024-11-03 12:38:01,837 INFO L226 Difference]: Without dead ends: 157 [2024-11-03 12:38:01,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-03 12:38:01,839 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 74 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.4s IncrementalHoareTripleChecker+Time [2024-11-03 12:38:01,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 393 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 159 Invalid, 7 Unknown, 0 Unchecked, 30.4s Time] [2024-11-03 12:38:01,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-03 12:38:01,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 154. [2024-11-03 12:38:01,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 101 states have (on average 1.3762376237623761) internal successors, (139), 101 states have internal predecessors, (139), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-03 12:38:01,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 239 transitions. [2024-11-03 12:38:01,886 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 239 transitions. Word has length 168 [2024-11-03 12:38:01,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 12:38:01,887 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 239 transitions. [2024-11-03 12:38:01,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-03 12:38:01,888 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 239 transitions. [2024-11-03 12:38:01,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-03 12:38:01,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 12:38:01,894 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:38:01,897 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-03 12:38:02,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:38:02,095 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 12:38:02,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 12:38:02,096 INFO L85 PathProgramCache]: Analyzing trace with hash 705599288, now seen corresponding path program 1 times [2024-11-03 12:38:02,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 12:38:02,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1788344178] [2024-11-03 12:38:02,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 12:38:02,096 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 12:38:02,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:38:02,098 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 12:38:02,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-03 12:38:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 12:38:02,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-03 12:38:02,210 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 12:38:02,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-03 12:38:02,338 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 12:38:03,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-03 12:38:03,199 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 12:38:03,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1788344178] [2024-11-03 12:38:03,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1788344178] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 12:38:03,199 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 12:38:03,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2024-11-03 12:38:03,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789444961] [2024-11-03 12:38:03,200 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 12:38:03,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-03 12:38:03,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 12:38:03,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-03 12:38:03,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-03 12:38:03,203 INFO L87 Difference]: Start difference. First operand 154 states and 239 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-03 12:38:07,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 12:38:11,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 12:38:15,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 12:38:19,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 12:38:19,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 12:38:19,719 INFO L93 Difference]: Finished difference Result 454 states and 707 transitions. [2024-11-03 12:38:19,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-03 12:38:19,720 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 169 [2024-11-03 12:38:19,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 12:38:19,724 INFO L225 Difference]: With dead ends: 454 [2024-11-03 12:38:19,724 INFO L226 Difference]: Without dead ends: 303 [2024-11-03 12:38:19,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-03 12:38:19,727 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 112 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2024-11-03 12:38:19,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 550 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 4 Unknown, 0 Unchecked, 16.4s Time] [2024-11-03 12:38:19,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-03 12:38:19,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 301. [2024-11-03 12:38:19,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 196 states have (on average 1.346938775510204) internal successors, (264), 196 states have internal predecessors, (264), 100 states have call successors, (100), 4 states have call predecessors, (100), 4 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-03 12:38:19,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 464 transitions. [2024-11-03 12:38:19,778 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 464 transitions. Word has length 169 [2024-11-03 12:38:19,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 12:38:19,781 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 464 transitions. [2024-11-03 12:38:19,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-03 12:38:19,782 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 464 transitions. [2024-11-03 12:38:19,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-03 12:38:19,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 12:38:19,785 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:38:19,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Forceful destruction successful, exit code 0 [2024-11-03 12:38:19,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:38:19,986 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 12:38:19,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 12:38:19,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1069408074, now seen corresponding path program 1 times [2024-11-03 12:38:19,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 12:38:19,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [371934660] [2024-11-03 12:38:19,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 12:38:19,987 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 12:38:19,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:38:19,989 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 12:38:19,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-03 12:38:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 12:38:20,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-03 12:38:20,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 12:38:21,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 582 proven. 45 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-11-03 12:38:21,813 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 12:38:23,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 27 proven. 45 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-03 12:38:23,538 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 12:38:23,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [371934660] [2024-11-03 12:38:23,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [371934660] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-03 12:38:23,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-03 12:38:23,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2024-11-03 12:38:23,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814379590] [2024-11-03 12:38:23,539 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-03 12:38:23,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-03 12:38:23,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 12:38:23,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-03 12:38:23,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-03 12:38:23,541 INFO L87 Difference]: Start difference. First operand 301 states and 464 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-03 12:38:29,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 12:38:33,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 12:38:37,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 12:38:37,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 12:38:37,506 INFO L93 Difference]: Finished difference Result 468 states and 714 transitions. [2024-11-03 12:38:37,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-03 12:38:37,508 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 169 [2024-11-03 12:38:37,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 12:38:37,513 INFO L225 Difference]: With dead ends: 468 [2024-11-03 12:38:37,514 INFO L226 Difference]: Without dead ends: 170 [2024-11-03 12:38:37,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 330 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2024-11-03 12:38:37,519 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 170 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 88 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2024-11-03 12:38:37,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 204 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 157 Invalid, 3 Unknown, 0 Unchecked, 13.5s Time] [2024-11-03 12:38:37,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-03 12:38:37,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 162. [2024-11-03 12:38:37,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 107 states have (on average 1.2990654205607477) internal successors, (139), 107 states have internal predecessors, (139), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-03 12:38:37,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 239 transitions. [2024-11-03 12:38:37,560 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 239 transitions. Word has length 169 [2024-11-03 12:38:37,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 12:38:37,561 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 239 transitions. [2024-11-03 12:38:37,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-03 12:38:37,561 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 239 transitions. [2024-11-03 12:38:37,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-03 12:38:37,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 12:38:37,565 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:38:37,575 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Forceful destruction successful, exit code 0 [2024-11-03 12:38:37,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:38:37,766 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 12:38:37,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 12:38:37,767 INFO L85 PathProgramCache]: Analyzing trace with hash -255257092, now seen corresponding path program 1 times [2024-11-03 12:38:37,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 12:38:37,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [976717223] [2024-11-03 12:38:37,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 12:38:37,768 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 12:38:37,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:38:37,769 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 12:38:37,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-03 12:38:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 12:38:37,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-03 12:38:37,919 INFO L278 TraceCheckSpWp]: Computing forward predicates...