/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc4 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-24.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 01:50:59,097 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 01:50:59,154 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-03 01:50:59,159 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 01:50:59,160 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 01:50:59,193 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 01:50:59,194 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 01:50:59,194 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 01:50:59,194 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 01:50:59,195 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 01:50:59,195 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 01:50:59,195 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 01:50:59,196 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 01:50:59,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 01:50:59,199 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 01:50:59,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 01:50:59,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 01:50:59,200 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 01:50:59,200 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 01:50:59,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 01:50:59,201 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 01:50:59,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 01:50:59,201 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 01:50:59,202 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 01:50:59,202 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 01:50:59,202 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 01:50:59,202 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 01:50:59,202 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 01:50:59,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 01:50:59,203 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 01:50:59,203 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 01:50:59,203 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 01:50:59,204 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 01:50:59,204 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 01:50:59,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 01:50:59,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 01:50:59,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 01:50:59,208 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 01:50:59,208 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 01:50:59,208 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 01:50:59,208 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 01:50:59,209 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 01:50:59,209 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 01:50:59,209 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 01:50:59,209 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-03 01:50:59,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 01:50:59,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 01:50:59,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 01:50:59,471 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 01:50:59,471 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 01:50:59,472 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-24.i [2024-11-03 01:51:00,925 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 01:51:01,099 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 01:51:01,100 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-24.i [2024-11-03 01:51:01,111 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4e3e5e46/365d6340b09946fd8bbdc210e7ec7313/FLAGc2e3aa19c [2024-11-03 01:51:01,124 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4e3e5e46/365d6340b09946fd8bbdc210e7ec7313 [2024-11-03 01:51:01,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 01:51:01,127 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 01:51:01,128 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 01:51:01,128 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 01:51:01,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 01:51:01,132 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:51:01" (1/1) ... [2024-11-03 01:51:01,133 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4917ea9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:01, skipping insertion in model container [2024-11-03 01:51:01,133 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:51:01" (1/1) ... [2024-11-03 01:51:01,159 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 01:51:01,292 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-24.i[915,928] [2024-11-03 01:51:01,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 01:51:01,356 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 01:51:01,365 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-24.i[915,928] [2024-11-03 01:51:01,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 01:51:01,412 INFO L204 MainTranslator]: Completed translation [2024-11-03 01:51:01,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:01 WrapperNode [2024-11-03 01:51:01,412 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 01:51:01,413 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 01:51:01,414 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 01:51:01,414 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 01:51:01,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:01" (1/1) ... [2024-11-03 01:51:01,427 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:01" (1/1) ... [2024-11-03 01:51:01,450 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2024-11-03 01:51:01,451 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 01:51:01,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 01:51:01,452 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 01:51:01,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 01:51:01,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:01" (1/1) ... [2024-11-03 01:51:01,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:01" (1/1) ... [2024-11-03 01:51:01,471 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:01" (1/1) ... [2024-11-03 01:51:01,494 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-03 01:51:01,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:01" (1/1) ... [2024-11-03 01:51:01,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:01" (1/1) ... [2024-11-03 01:51:01,511 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:01" (1/1) ... [2024-11-03 01:51:01,517 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:01" (1/1) ... [2024-11-03 01:51:01,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:01" (1/1) ... [2024-11-03 01:51:01,525 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:01" (1/1) ... [2024-11-03 01:51:01,532 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 01:51:01,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 01:51:01,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 01:51:01,539 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 01:51:01,539 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:01" (1/1) ... [2024-11-03 01:51:01,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 01:51:01,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 01:51:01,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-03 01:51:01,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-03 01:51:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 01:51:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 01:51:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 01:51:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 01:51:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 01:51:01,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 01:51:01,669 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 01:51:01,671 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 01:51:03,675 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-03 01:51:03,675 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 01:51:03,689 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 01:51:03,689 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 01:51:03,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:51:03 BoogieIcfgContainer [2024-11-03 01:51:03,690 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 01:51:03,694 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 01:51:03,694 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 01:51:03,697 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 01:51:03,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:51:01" (1/3) ... [2024-11-03 01:51:03,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368733b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:51:03, skipping insertion in model container [2024-11-03 01:51:03,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:01" (2/3) ... [2024-11-03 01:51:03,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368733b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:51:03, skipping insertion in model container [2024-11-03 01:51:03,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:51:03" (3/3) ... [2024-11-03 01:51:03,700 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-24.i [2024-11-03 01:51:03,711 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 01:51:03,711 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 01:51:03,763 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 01:51:03,769 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;@1736e2c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 01:51:03,769 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 01:51:03,773 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-03 01:51:03,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-03 01:51:03,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 01:51:03,786 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 01:51:03,787 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 01:51:03,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 01:51:03,791 INFO L85 PathProgramCache]: Analyzing trace with hash 191717470, now seen corresponding path program 1 times [2024-11-03 01:51:03,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 01:51:03,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1297943742] [2024-11-03 01:51:03,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 01:51:03,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-03 01:51:03,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-03 01:51:03,805 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 01:51:03,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-03 01:51:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 01:51:04,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 01:51:04,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 01:51:06,188 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-03 01:51:06,188 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 01:51:06,542 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-03 01:51:06,543 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 01:51:06,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1297943742] [2024-11-03 01:51:06,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1297943742] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 01:51:06,544 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 01:51:06,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2024-11-03 01:51:06,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009396702] [2024-11-03 01:51:06,546 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 01:51:06,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 01:51:06,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 01:51:06,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 01:51:06,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-03 01:51:06,577 INFO L87 Difference]: Start difference. First operand has 65 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-03 01:51:07,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 01:51:09,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 01:51:09,180 INFO L93 Difference]: Finished difference Result 218 states and 387 transitions. [2024-11-03 01:51:09,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-03 01:51:09,206 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 129 [2024-11-03 01:51:09,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 01:51:09,214 INFO L225 Difference]: With dead ends: 218 [2024-11-03 01:51:09,214 INFO L226 Difference]: Without dead ends: 156 [2024-11-03 01:51:09,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-03 01:51:09,219 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 105 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-03 01:51:09,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 450 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-03 01:51:09,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-03 01:51:09,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 116. [2024-11-03 01:51:09,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 73 states have (on average 1.3150684931506849) internal successors, (96), 73 states have internal predecessors, (96), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-03 01:51:09,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 176 transitions. [2024-11-03 01:51:09,312 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 176 transitions. Word has length 129 [2024-11-03 01:51:09,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 01:51:09,313 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 176 transitions. [2024-11-03 01:51:09,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-03 01:51:09,313 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 176 transitions. [2024-11-03 01:51:09,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-03 01:51:09,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 01:51:09,318 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 01:51:09,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-03 01:51:09,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-03 01:51:09,519 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 01:51:09,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 01:51:09,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1071671166, now seen corresponding path program 1 times [2024-11-03 01:51:09,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 01:51:09,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1867704555] [2024-11-03 01:51:09,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 01:51:09,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-03 01:51:09,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-03 01:51:09,522 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 01:51:09,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-03 01:51:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 01:51:10,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-03 01:51:10,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 01:51:10,493 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-03 01:51:10,494 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 01:51:10,721 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-03 01:51:10,722 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 01:51:10,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1867704555] [2024-11-03 01:51:10,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1867704555] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 01:51:10,722 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 01:51:10,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2024-11-03 01:51:10,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283920148] [2024-11-03 01:51:10,723 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 01:51:10,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-03 01:51:10,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 01:51:10,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-03 01:51:10,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-03 01:51:10,725 INFO L87 Difference]: Start difference. First operand 116 states and 176 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 3 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-03 01:51:13,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 01:51:14,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 01:51:14,228 INFO L93 Difference]: Finished difference Result 295 states and 432 transitions. [2024-11-03 01:51:14,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-03 01:51:14,231 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 3 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) Word has length 130 [2024-11-03 01:51:14,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 01:51:14,233 INFO L225 Difference]: With dead ends: 295 [2024-11-03 01:51:14,234 INFO L226 Difference]: Without dead ends: 182 [2024-11-03 01:51:14,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 252 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2024-11-03 01:51:14,239 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 153 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-03 01:51:14,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 250 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-03 01:51:14,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-03 01:51:14,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 124. [2024-11-03 01:51:14,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 79 states have internal predecessors, (97), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-03 01:51:14,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 177 transitions. [2024-11-03 01:51:14,282 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 177 transitions. Word has length 130 [2024-11-03 01:51:14,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 01:51:14,283 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 177 transitions. [2024-11-03 01:51:14,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 3 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-03 01:51:14,283 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 177 transitions. [2024-11-03 01:51:14,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-03 01:51:14,288 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 01:51:14,288 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 01:51:14,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-03 01:51:14,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-03 01:51:14,490 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 01:51:14,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 01:51:14,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1069824124, now seen corresponding path program 1 times [2024-11-03 01:51:14,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 01:51:14,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1808114688] [2024-11-03 01:51:14,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 01:51:14,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-03 01:51:14,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-03 01:51:14,494 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 01:51:14,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-03 01:51:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 01:51:16,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-03 01:51:16,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 01:52:15,861 WARN L286 SmtUtils]: Spent 19.18s on a formula simplification that was a NOOP. DAG size: 116 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)