/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_amount50_file-70.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 13:31:27,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 13:31:27,602 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 13:31:27,605 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 13:31:27,605 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 13:31:27,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 13:31:27,627 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 13:31:27,627 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 13:31:27,628 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 13:31:27,628 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 13:31:27,628 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 13:31:27,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 13:31:27,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 13:31:27,629 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 13:31:27,629 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 13:31:27,630 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 13:31:27,630 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 13:31:27,632 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 13:31:27,632 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 13:31:27,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 13:31:27,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 13:31:27,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 13:31:27,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 13:31:27,635 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 13:31:27,635 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 13:31:27,636 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 13:31:27,636 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 13:31:27,636 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 13:31:27,636 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 13:31:27,636 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 13:31:27,636 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 13:31:27,637 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 13:31:27,637 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 13:31:27,637 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 13:31:27,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 13:31:27,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 13:31:27,637 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 13:31:27,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 13:31:27,638 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 13:31:27,638 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 13:31:27,638 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 13:31:27,638 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 13:31:27,638 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 13:31:27,639 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 13:31:27,639 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-03 13:31:27,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 13:31:27,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 13:31:27,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 13:31:27,852 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 13:31:27,853 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 13:31:27,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-70.i [2024-11-03 13:31:29,134 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 13:31:29,332 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 13:31:29,333 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-70.i [2024-11-03 13:31:29,339 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7af0e628/5ad3ec8bf01c42998293058dd2e5ee8b/FLAGc2a142563 [2024-11-03 13:31:29,732 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7af0e628/5ad3ec8bf01c42998293058dd2e5ee8b [2024-11-03 13:31:29,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 13:31:29,736 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 13:31:29,736 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 13:31:29,737 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 13:31:29,740 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 13:31:29,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:31:29" (1/1) ... [2024-11-03 13:31:29,741 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bf3409f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:31:29, skipping insertion in model container [2024-11-03 13:31:29,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:31:29" (1/1) ... [2024-11-03 13:31:29,768 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 13:31:29,890 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-70.i[915,928] [2024-11-03 13:31:29,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 13:31:29,928 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 13:31:29,937 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-70.i[915,928] [2024-11-03 13:31:29,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 13:31:29,967 INFO L204 MainTranslator]: Completed translation [2024-11-03 13:31:29,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:31:29 WrapperNode [2024-11-03 13:31:29,967 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 13:31:29,968 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 13:31:29,968 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 13:31:29,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 13:31:29,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:31:29" (1/1) ... [2024-11-03 13:31:29,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:31:29" (1/1) ... [2024-11-03 13:31:30,000 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2024-11-03 13:31:30,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 13:31:30,003 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 13:31:30,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 13:31:30,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 13:31:30,015 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:31:29" (1/1) ... [2024-11-03 13:31:30,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:31:29" (1/1) ... [2024-11-03 13:31:30,019 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:31:29" (1/1) ... [2024-11-03 13:31:30,028 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 13:31:30,028 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:31:29" (1/1) ... [2024-11-03 13:31:30,028 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:31:29" (1/1) ... [2024-11-03 13:31:30,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:31:29" (1/1) ... [2024-11-03 13:31:30,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:31:29" (1/1) ... [2024-11-03 13:31:30,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:31:29" (1/1) ... [2024-11-03 13:31:30,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:31:29" (1/1) ... [2024-11-03 13:31:30,040 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 13:31:30,041 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 13:31:30,041 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 13:31:30,041 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 13:31:30,042 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:31:29" (1/1) ... [2024-11-03 13:31:30,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 13:31:30,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 13:31:30,072 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 13:31:30,077 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 13:31:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 13:31:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 13:31:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 13:31:30,098 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 13:31:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 13:31:30,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 13:31:30,167 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 13:31:30,168 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 13:31:35,009 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-03 13:31:35,009 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 13:31:35,018 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 13:31:35,018 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 13:31:35,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:31:35 BoogieIcfgContainer [2024-11-03 13:31:35,018 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 13:31:35,020 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 13:31:35,020 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 13:31:35,026 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 13:31:35,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:31:29" (1/3) ... [2024-11-03 13:31:35,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff00d18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:31:35, skipping insertion in model container [2024-11-03 13:31:35,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:31:29" (2/3) ... [2024-11-03 13:31:35,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff00d18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:31:35, skipping insertion in model container [2024-11-03 13:31:35,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:31:35" (3/3) ... [2024-11-03 13:31:35,033 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-70.i [2024-11-03 13:31:35,047 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 13:31:35,047 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 13:31:35,099 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 13:31:35,104 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;@5063b092, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 13:31:35,104 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 13:31:35,107 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 35 states have internal predecessors, (47), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-03 13:31:35,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-03 13:31:35,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 13:31:35,117 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:31:35,117 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 13:31:35,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 13:31:35,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1233037346, now seen corresponding path program 1 times [2024-11-03 13:31:35,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 13:31:35,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1628330116] [2024-11-03 13:31:35,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 13:31:35,129 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 13:31:35,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 13:31:35,131 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 13:31:35,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-03 13:31:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 13:31:35,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 13:31:35,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 13:31:35,285 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-03 13:31:35,285 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 13:31:35,413 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-03 13:31:35,414 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 13:31:35,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1628330116] [2024-11-03 13:31:35,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1628330116] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 13:31:35,415 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 13:31:35,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-03 13:31:35,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506803710] [2024-11-03 13:31:35,417 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 13:31:35,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 13:31:35,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 13:31:35,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 13:31:35,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 13:31:35,437 INFO L87 Difference]: Start difference. First operand has 50 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 35 states have internal predecessors, (47), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-03 13:31:35,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 13:31:35,453 INFO L93 Difference]: Finished difference Result 93 states and 153 transitions. [2024-11-03 13:31:35,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 13:31:35,455 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 90 [2024-11-03 13:31:35,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 13:31:35,461 INFO L225 Difference]: With dead ends: 93 [2024-11-03 13:31:35,461 INFO L226 Difference]: Without dead ends: 46 [2024-11-03 13:31:35,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 178 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 13:31:35,465 INFO L432 NwaCegarLoop]: 65 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, 65 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 13:31:35,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 13:31:35,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-03 13:31:35,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-03 13:31:35,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-03 13:31:35,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2024-11-03 13:31:35,494 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 90 [2024-11-03 13:31:35,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 13:31:35,495 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2024-11-03 13:31:35,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-03 13:31:35,495 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2024-11-03 13:31:35,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-03 13:31:35,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 13:31:35,497 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:31:35,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-03 13:31:35,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 13:31:35,703 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 13:31:35,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 13:31:35,704 INFO L85 PathProgramCache]: Analyzing trace with hash 666621416, now seen corresponding path program 1 times [2024-11-03 13:31:35,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 13:31:35,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [522607582] [2024-11-03 13:31:35,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 13:31:35,705 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 13:31:35,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 13:31:35,707 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 13:31:35,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-03 13:31:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 13:31:35,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-03 13:31:35,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 13:31:37,100 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-03 13:31:37,100 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 13:31:38,319 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 33 proven. 3 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-03 13:31:38,319 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 13:31:38,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [522607582] [2024-11-03 13:31:38,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [522607582] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-03 13:31:38,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-03 13:31:38,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2024-11-03 13:31:38,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292501371] [2024-11-03 13:31:38,320 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-03 13:31:38,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-03 13:31:38,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 13:31:38,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-03 13:31:38,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-11-03 13:31:38,325 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand has 16 states, 16 states have (on average 3.625) internal successors, (58), 16 states have internal predecessors, (58), 4 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-03 13:31:40,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 13:31:42,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-03 13:31:44,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-03 13:31:52,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-03 13:31:55,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-03 13:31:57,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 13:31:57,258 INFO L93 Difference]: Finished difference Result 347 states and 484 transitions. [2024-11-03 13:31:57,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-03 13:31:57,260 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.625) internal successors, (58), 16 states have internal predecessors, (58), 4 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 90 [2024-11-03 13:31:57,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 13:31:57,263 INFO L225 Difference]: With dead ends: 347 [2024-11-03 13:31:57,263 INFO L226 Difference]: Without dead ends: 304 [2024-11-03 13:31:57,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 171 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 463 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=472, Invalid=1250, Unknown=0, NotChecked=0, Total=1722 [2024-11-03 13:31:57,266 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 718 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 538 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 538 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2024-11-03 13:31:57,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [719 Valid, 413 Invalid, 1056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [538 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 15.5s Time] [2024-11-03 13:31:57,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-03 13:31:57,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 204. [2024-11-03 13:31:57,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 133 states have (on average 1.2330827067669172) internal successors, (164), 135 states have internal predecessors, (164), 63 states have call successors, (63), 7 states have call predecessors, (63), 7 states have return successors, (63), 61 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-03 13:31:57,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 290 transitions. [2024-11-03 13:31:57,306 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 290 transitions. Word has length 90 [2024-11-03 13:31:57,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 13:31:57,306 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 290 transitions. [2024-11-03 13:31:57,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.625) internal successors, (58), 16 states have internal predecessors, (58), 4 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-03 13:31:57,306 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 290 transitions. [2024-11-03 13:31:57,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-03 13:31:57,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 13:31:57,307 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:31:57,311 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-03 13:31:57,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 13:31:57,510 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 13:31:57,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 13:31:57,511 INFO L85 PathProgramCache]: Analyzing trace with hash -142725210, now seen corresponding path program 1 times [2024-11-03 13:31:57,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 13:31:57,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1187769492] [2024-11-03 13:31:57,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 13:31:57,511 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 13:31:57,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 13:31:57,513 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 13:31:57,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-03 13:31:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 13:31:57,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-03 13:31:57,598 INFO L278 TraceCheckSpWp]: Computing forward predicates...