/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 --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-29.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 07:52:47,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 07:52:47,889 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-06 07:52:47,896 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 07:52:47,897 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 07:52:47,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 07:52:47,934 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 07:52:47,934 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 07:52:47,936 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 07:52:47,937 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 07:52:47,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 07:52:47,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 07:52:47,938 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 07:52:47,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 07:52:47,939 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 07:52:47,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 07:52:47,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 07:52:47,940 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-06 07:52:47,943 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-06 07:52:47,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 07:52:47,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 07:52:47,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 07:52:47,947 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 07:52:47,948 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 07:52:47,948 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 07:52:47,948 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 07:52:47,948 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 07:52:47,948 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-06 07:52:47,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 07:52:47,949 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 07:52:47,949 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 07:52:47,949 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 07:52:47,949 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 07:52:47,950 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 07:52:47,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 07:52:47,950 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 07:52:47,950 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 07:52:47,951 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 07:52:47,951 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 07:52:47,951 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 07:52:47,951 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 07:52:47,952 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 07:52:47,952 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 07:52:47,952 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 07:52:47,952 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-06 07:52:48,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 07:52:48,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 07:52:48,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 07:52:48,206 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 07:52:48,206 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 07:52:48,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-29.i [2024-11-06 07:52:49,643 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 07:52:49,840 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 07:52:49,841 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-29.i [2024-11-06 07:52:49,851 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3cb296a1/d2182b494ec2463dbdd88242bad59707/FLAGf001ce538 [2024-11-06 07:52:49,868 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3cb296a1/d2182b494ec2463dbdd88242bad59707 [2024-11-06 07:52:49,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 07:52:49,872 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 07:52:49,873 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 07:52:49,874 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 07:52:49,879 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 07:52:49,880 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:52:49" (1/1) ... [2024-11-06 07:52:49,881 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d6ff87c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:52:49, skipping insertion in model container [2024-11-06 07:52:49,881 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:52:49" (1/1) ... [2024-11-06 07:52:49,911 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 07:52:50,083 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-29.i[916,929] [2024-11-06 07:52:50,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 07:52:50,128 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 07:52:50,138 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-29.i[916,929] [2024-11-06 07:52:50,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 07:52:50,182 INFO L204 MainTranslator]: Completed translation [2024-11-06 07:52:50,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:52:50 WrapperNode [2024-11-06 07:52:50,183 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 07:52:50,184 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 07:52:50,184 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 07:52:50,184 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 07:52:50,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:52:50" (1/1) ... [2024-11-06 07:52:50,199 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:52:50" (1/1) ... [2024-11-06 07:52:50,221 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 80 [2024-11-06 07:52:50,222 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 07:52:50,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 07:52:50,223 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 07:52:50,223 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 07:52:50,233 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:52:50" (1/1) ... [2024-11-06 07:52:50,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:52:50" (1/1) ... [2024-11-06 07:52:50,239 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:52:50" (1/1) ... [2024-11-06 07:52:50,252 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]. [2024-11-06 07:52:50,253 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:52:50" (1/1) ... [2024-11-06 07:52:50,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:52:50" (1/1) ... [2024-11-06 07:52:50,265 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:52:50" (1/1) ... [2024-11-06 07:52:50,272 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:52:50" (1/1) ... [2024-11-06 07:52:50,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:52:50" (1/1) ... [2024-11-06 07:52:50,275 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:52:50" (1/1) ... [2024-11-06 07:52:50,281 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 07:52:50,282 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 07:52:50,282 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 07:52:50,282 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 07:52:50,287 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:52:50" (1/1) ... [2024-11-06 07:52:50,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 07:52:50,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 07:52:50,324 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) [2024-11-06 07:52:50,328 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 [2024-11-06 07:52:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 07:52:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 07:52:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 07:52:50,355 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 07:52:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 07:52:50,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 07:52:50,422 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 07:52:50,424 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 07:52:54,423 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-06 07:52:54,424 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 07:52:54,435 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 07:52:54,436 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-06 07:52:54,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:52:54 BoogieIcfgContainer [2024-11-06 07:52:54,437 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 07:52:54,439 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 07:52:54,439 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 07:52:54,443 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 07:52:54,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 07:52:49" (1/3) ... [2024-11-06 07:52:54,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@401d425f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:52:54, skipping insertion in model container [2024-11-06 07:52:54,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:52:50" (2/3) ... [2024-11-06 07:52:54,445 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@401d425f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:52:54, skipping insertion in model container [2024-11-06 07:52:54,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:52:54" (3/3) ... [2024-11-06 07:52:54,446 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-29.i [2024-11-06 07:52:54,461 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 07:52:54,462 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 07:52:54,514 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 07:52:54,521 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;@279e893b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 07:52:54,521 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 07:52:54,527 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 29 states have internal predecessors, (40), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-06 07:52:54,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-06 07:52:54,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 07:52:54,536 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 07:52:54,536 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 07:52:54,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 07:52:54,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1385980831, now seen corresponding path program 1 times [2024-11-06 07:52:54,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 07:52:54,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1638073184] [2024-11-06 07:52:54,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 07:52:54,554 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 07:52:54,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 07:52:54,556 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 07:52:54,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-06 07:52:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 07:52:54,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 07:52:54,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 07:52:54,830 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-06 07:52:54,831 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 07:52:54,831 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 07:52:54,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1638073184] [2024-11-06 07:52:54,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1638073184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 07:52:54,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 07:52:54,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 07:52:54,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396551843] [2024-11-06 07:52:54,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 07:52:54,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 07:52:54,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 07:52:54,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 07:52:54,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 07:52:54,857 INFO L87 Difference]: Start difference. First operand has 39 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 29 states have internal predecessors, (40), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-06 07:52:56,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-06 07:52:57,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-06 07:52:58,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 07:52:58,891 INFO L93 Difference]: Finished difference Result 85 states and 136 transitions. [2024-11-06 07:52:58,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 07:52:58,894 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 58 [2024-11-06 07:52:58,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 07:52:58,900 INFO L225 Difference]: With dead ends: 85 [2024-11-06 07:52:58,900 INFO L226 Difference]: Without dead ends: 49 [2024-11-06 07:52:58,903 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 07:52:58,908 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 14 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-06 07:52:58,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 84 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-06 07:52:58,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-06 07:52:58,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 41. [2024-11-06 07:52:58,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 31 states have internal predecessors, (42), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-06 07:52:58,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 58 transitions. [2024-11-06 07:52:58,950 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 58 transitions. Word has length 58 [2024-11-06 07:52:58,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 07:52:58,952 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 58 transitions. [2024-11-06 07:52:58,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-06 07:52:58,952 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2024-11-06 07:52:58,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-06 07:52:58,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 07:52:58,954 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 07:52:58,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-06 07:52:59,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 07:52:59,155 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 07:52:59,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 07:52:59,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1143791801, now seen corresponding path program 1 times [2024-11-06 07:52:59,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 07:52:59,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1491869984] [2024-11-06 07:52:59,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 07:52:59,157 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 07:52:59,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 07:52:59,161 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 07:52:59,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-06 07:52:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 07:52:59,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-06 07:52:59,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 07:52:59,722 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-06 07:52:59,722 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 07:52:59,723 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 07:52:59,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1491869984] [2024-11-06 07:52:59,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1491869984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 07:52:59,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 07:52:59,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-06 07:52:59,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488373725] [2024-11-06 07:52:59,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 07:52:59,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-06 07:52:59,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 07:52:59,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-06 07:52:59,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-06 07:52:59,728 INFO L87 Difference]: Start difference. First operand 41 states and 58 transitions. Second operand has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 7 states have internal predecessors, (28), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 07:53:00,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 07:53:00,610 INFO L93 Difference]: Finished difference Result 82 states and 108 transitions. [2024-11-06 07:53:00,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-06 07:53:00,637 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 7 states have internal predecessors, (28), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 59 [2024-11-06 07:53:00,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 07:53:00,638 INFO L225 Difference]: With dead ends: 82 [2024-11-06 07:53:00,638 INFO L226 Difference]: Without dead ends: 44 [2024-11-06 07:53:00,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2024-11-06 07:53:00,640 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 85 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-06 07:53:00,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 80 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-06 07:53:00,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-06 07:53:00,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2024-11-06 07:53:00,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 30 states have internal predecessors, (34), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-06 07:53:00,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2024-11-06 07:53:00,649 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 59 [2024-11-06 07:53:00,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 07:53:00,650 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2024-11-06 07:53:00,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 7 states have internal predecessors, (28), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 07:53:00,650 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2024-11-06 07:53:00,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-06 07:53:00,652 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 07:53:00,652 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 07:53:00,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-06 07:53:00,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 07:53:00,853 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 07:53:00,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 07:53:00,854 INFO L85 PathProgramCache]: Analyzing trace with hash 241804005, now seen corresponding path program 1 times [2024-11-06 07:53:00,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 07:53:00,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1049977825] [2024-11-06 07:53:00,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 07:53:00,855 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 07:53:00,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 07:53:00,856 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 07:53:00,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-06 07:53:01,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 07:53:01,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-06 07:53:01,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 07:53:31,402 WARN L286 SmtUtils]: Spent 7.55s on a formula simplification. DAG size of input: 34 DAG size of output: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)