/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-59.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-24 00:36:50,229 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-24 00:36:50,296 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-24 00:36:50,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-24 00:36:50,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-24 00:36:50,322 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-24 00:36:50,322 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-24 00:36:50,322 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-24 00:36:50,323 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-24 00:36:50,327 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-24 00:36:50,327 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-24 00:36:50,328 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-24 00:36:50,328 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-24 00:36:50,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-24 00:36:50,329 INFO L153 SettingsManager]: * Use SBE=true [2023-12-24 00:36:50,330 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-24 00:36:50,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-24 00:36:50,330 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-24 00:36:50,331 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-24 00:36:50,331 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-24 00:36:50,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-24 00:36:50,332 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-24 00:36:50,332 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-24 00:36:50,332 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-24 00:36:50,332 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-24 00:36:50,332 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-24 00:36:50,333 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-24 00:36:50,333 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-24 00:36:50,333 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-24 00:36:50,333 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-24 00:36:50,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-24 00:36:50,334 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-24 00:36:50,334 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-24 00:36:50,334 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-24 00:36:50,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 00:36:50,334 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-24 00:36:50,334 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-24 00:36:50,334 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-24 00:36:50,335 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-24 00:36:50,335 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-24 00:36:50,335 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-24 00:36:50,335 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-24 00:36:50,335 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-24 00:36:50,335 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-24 00:36:50,335 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-24 00:36:50,336 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-24 00:36:50,336 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-24 00:36:50,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-24 00:36:50,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-24 00:36:50,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-24 00:36:50,529 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-24 00:36:50,529 INFO L274 PluginConnector]: CDTParser initialized [2023-12-24 00:36:50,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-59.i [2023-12-24 00:36:51,547 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-24 00:36:51,731 INFO L384 CDTParser]: Found 1 translation units. [2023-12-24 00:36:51,731 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-59.i [2023-12-24 00:36:51,741 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d78f8d231/d44bdd8bee204d469ddb29ca0cb0453a/FLAG104bfcb0f [2023-12-24 00:36:51,759 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d78f8d231/d44bdd8bee204d469ddb29ca0cb0453a [2023-12-24 00:36:51,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-24 00:36:51,762 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-24 00:36:51,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-24 00:36:51,763 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-24 00:36:51,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-24 00:36:51,767 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 12:36:51" (1/1) ... [2023-12-24 00:36:51,768 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15fc5a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:36:51, skipping insertion in model container [2023-12-24 00:36:51,768 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 12:36:51" (1/1) ... [2023-12-24 00:36:51,797 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-24 00:36:51,903 WARN L239 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_loopvsstraightlinecode_25-1loop_file-59.i[915,928] [2023-12-24 00:36:51,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 00:36:51,948 INFO L202 MainTranslator]: Completed pre-run [2023-12-24 00:36:51,956 WARN L239 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_loopvsstraightlinecode_25-1loop_file-59.i[915,928] [2023-12-24 00:36:51,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 00:36:52,002 INFO L206 MainTranslator]: Completed translation [2023-12-24 00:36:52,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:36:52 WrapperNode [2023-12-24 00:36:52,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-24 00:36:52,003 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-24 00:36:52,003 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-24 00:36:52,004 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-24 00:36:52,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:36:52" (1/1) ... [2023-12-24 00:36:52,017 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:36:52" (1/1) ... [2023-12-24 00:36:52,034 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 137 [2023-12-24 00:36:52,034 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-24 00:36:52,035 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-24 00:36:52,035 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-24 00:36:52,035 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-24 00:36:52,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:36:52" (1/1) ... [2023-12-24 00:36:52,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:36:52" (1/1) ... [2023-12-24 00:36:52,045 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:36:52" (1/1) ... [2023-12-24 00:36:52,052 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]. [2023-12-24 00:36:52,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:36:52" (1/1) ... [2023-12-24 00:36:52,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:36:52" (1/1) ... [2023-12-24 00:36:52,060 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:36:52" (1/1) ... [2023-12-24 00:36:52,062 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:36:52" (1/1) ... [2023-12-24 00:36:52,063 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:36:52" (1/1) ... [2023-12-24 00:36:52,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:36:52" (1/1) ... [2023-12-24 00:36:52,067 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-24 00:36:52,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-24 00:36:52,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-24 00:36:52,067 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-24 00:36:52,068 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:36:52" (1/1) ... [2023-12-24 00:36:52,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 00:36:52,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-24 00:36:52,093 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) [2023-12-24 00:36:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-24 00:36:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-24 00:36:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-24 00:36:52,129 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-24 00:36:52,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-24 00:36:52,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-24 00:36:52,116 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 [2023-12-24 00:36:52,187 INFO L241 CfgBuilder]: Building ICFG [2023-12-24 00:36:52,189 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-24 00:36:53,742 INFO L282 CfgBuilder]: Performing block encoding [2023-12-24 00:36:53,772 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-24 00:36:53,772 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-24 00:36:53,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 12:36:53 BoogieIcfgContainer [2023-12-24 00:36:53,772 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-24 00:36:53,774 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-24 00:36:53,774 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-24 00:36:53,776 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-24 00:36:53,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.12 12:36:51" (1/3) ... [2023-12-24 00:36:53,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68cca5ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 12:36:53, skipping insertion in model container [2023-12-24 00:36:53,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:36:52" (2/3) ... [2023-12-24 00:36:53,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68cca5ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 12:36:53, skipping insertion in model container [2023-12-24 00:36:53,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 12:36:53" (3/3) ... [2023-12-24 00:36:53,777 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-59.i [2023-12-24 00:36:53,788 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-24 00:36:53,788 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-24 00:36:53,814 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-24 00:36:53,818 INFO L357 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, mHoare=true, 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;@57519f99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-24 00:36:53,818 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-24 00:36:53,822 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-24 00:36:53,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-24 00:36:53,833 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 00:36:53,833 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 00:36:53,833 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 00:36:53,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 00:36:53,837 INFO L85 PathProgramCache]: Analyzing trace with hash 66607513, now seen corresponding path program 1 times [2023-12-24 00:36:53,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 00:36:53,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1478063387] [2023-12-24 00:36:53,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 00:36:53,845 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 [2023-12-24 00:36:53,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 00:36:53,847 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) [2023-12-24 00:36:53,848 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 [2023-12-24 00:36:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 00:36:54,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-24 00:36:54,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 00:36:54,249 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2023-12-24 00:36:54,249 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 00:36:54,250 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 00:36:54,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1478063387] [2023-12-24 00:36:54,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1478063387] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 00:36:54,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 00:36:54,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-24 00:36:54,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575943272] [2023-12-24 00:36:54,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 00:36:54,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-24 00:36:54,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 00:36:54,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-24 00:36:54,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 00:36:54,294 INFO L87 Difference]: Start difference. First operand has 54 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-24 00:36:54,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 00:36:54,989 INFO L93 Difference]: Finished difference Result 107 states and 184 transitions. [2023-12-24 00:36:54,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-24 00:36:54,993 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), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 128 [2023-12-24 00:36:54,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 00:36:54,997 INFO L225 Difference]: With dead ends: 107 [2023-12-24 00:36:54,997 INFO L226 Difference]: Without dead ends: 52 [2023-12-24 00:36:54,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 00:36:55,007 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-24 00:36:55,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-24 00:36:55,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-12-24 00:36:55,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-12-24 00:36:55,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-24 00:36:55,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 76 transitions. [2023-12-24 00:36:55,077 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 76 transitions. Word has length 128 [2023-12-24 00:36:55,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 00:36:55,078 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 76 transitions. [2023-12-24 00:36:55,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-24 00:36:55,078 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions. [2023-12-24 00:36:55,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-24 00:36:55,086 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 00:36:55,086 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 00:36:55,098 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 (2)] Forceful destruction successful, exit code 0 [2023-12-24 00:36:55,295 WARN L477 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 [2023-12-24 00:36:55,297 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 00:36:55,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 00:36:55,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1542127129, now seen corresponding path program 1 times [2023-12-24 00:36:55,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 00:36:55,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1503882026] [2023-12-24 00:36:55,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 00:36:55,299 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 [2023-12-24 00:36:55,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 00:36:55,301 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) [2023-12-24 00:36:55,328 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 [2023-12-24 00:36:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 00:36:55,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-24 00:36:55,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 00:36:55,619 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-24 00:36:55,619 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 00:36:55,620 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 00:36:55,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1503882026] [2023-12-24 00:36:55,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1503882026] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 00:36:55,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 00:36:55,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-24 00:36:55,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407094993] [2023-12-24 00:36:55,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 00:36:55,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-24 00:36:55,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 00:36:55,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-24 00:36:55,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-24 00:36:55,622 INFO L87 Difference]: Start difference. First operand 52 states and 76 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-24 00:36:56,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 00:36:56,270 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2023-12-24 00:36:56,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-24 00:36:56,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 128 [2023-12-24 00:36:56,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 00:36:56,272 INFO L225 Difference]: With dead ends: 103 [2023-12-24 00:36:56,272 INFO L226 Difference]: Without dead ends: 52 [2023-12-24 00:36:56,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-24 00:36:56,274 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 3 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-24 00:36:56,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 134 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-24 00:36:56,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-12-24 00:36:56,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-12-24 00:36:56,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 29 states have internal predecessors, (33), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-24 00:36:56,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2023-12-24 00:36:56,279 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 128 [2023-12-24 00:36:56,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 00:36:56,281 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2023-12-24 00:36:56,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-24 00:36:56,281 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2023-12-24 00:36:56,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-24 00:36:56,282 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 00:36:56,282 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 00:36:56,292 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 (3)] Ended with exit code 0 [2023-12-24 00:36:56,490 WARN L477 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 [2023-12-24 00:36:56,491 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 00:36:56,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 00:36:56,492 INFO L85 PathProgramCache]: Analyzing trace with hash -571150966, now seen corresponding path program 1 times [2023-12-24 00:36:56,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 00:36:56,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1940387573] [2023-12-24 00:36:56,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 00:36:56,493 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 [2023-12-24 00:36:56,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 00:36:56,516 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) [2023-12-24 00:36:56,518 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 [2023-12-24 00:36:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 00:36:56,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-24 00:36:56,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 00:37:44,796 WARN L293 SmtUtils]: Spent 12.47s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)