/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-86.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 12:26:13,101 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 12:26:13,163 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-03 12:26:13,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 12:26:13,170 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 12:26:13,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 12:26:13,205 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 12:26:13,207 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 12:26:13,208 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 12:26:13,209 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 12:26:13,209 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 12:26:13,209 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 12:26:13,210 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 12:26:13,210 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 12:26:13,210 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 12:26:13,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 12:26:13,211 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 12:26:13,211 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 12:26:13,211 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 12:26:13,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 12:26:13,212 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 12:26:13,213 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 12:26:13,213 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 12:26:13,213 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 12:26:13,213 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 12:26:13,214 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 12:26:13,214 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 12:26:13,214 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 12:26:13,214 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 12:26:13,214 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 12:26:13,215 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 12:26:13,215 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 12:26:13,215 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 12:26:13,215 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 12:26:13,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 12:26:13,216 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 12:26:13,216 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 12:26:13,216 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 12:26:13,217 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 12:26:13,217 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 12:26:13,217 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 12:26:13,218 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 12:26:13,218 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 12:26:13,218 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 12:26:13,218 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-03 12:26:13,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 12:26:13,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 12:26:13,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 12:26:13,491 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 12:26:13,492 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 12:26:13,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-86.i [2024-11-03 12:26:15,145 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 12:26:15,340 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 12:26:15,340 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-86.i [2024-11-03 12:26:15,355 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a1d78cda/13edaa97dd5749a4802eed036c96eecd/FLAG6851507e4 [2024-11-03 12:26:15,372 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a1d78cda/13edaa97dd5749a4802eed036c96eecd [2024-11-03 12:26:15,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 12:26:15,377 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 12:26:15,378 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 12:26:15,378 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 12:26:15,387 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 12:26:15,388 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:26:15" (1/1) ... [2024-11-03 12:26:15,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@144381f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:26:15, skipping insertion in model container [2024-11-03 12:26:15,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:26:15" (1/1) ... [2024-11-03 12:26:15,425 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 12:26:15,574 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-86.i[916,929] [2024-11-03 12:26:15,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 12:26:15,641 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 12:26:15,656 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-86.i[916,929] [2024-11-03 12:26:15,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 12:26:15,739 INFO L204 MainTranslator]: Completed translation [2024-11-03 12:26:15,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:26:15 WrapperNode [2024-11-03 12:26:15,740 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 12:26:15,741 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 12:26:15,742 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 12:26:15,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 12:26:15,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:26:15" (1/1) ... [2024-11-03 12:26:15,760 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:26:15" (1/1) ... [2024-11-03 12:26:15,782 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 134 [2024-11-03 12:26:15,782 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 12:26:15,783 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 12:26:15,783 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 12:26:15,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 12:26:15,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:26:15" (1/1) ... [2024-11-03 12:26:15,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:26:15" (1/1) ... [2024-11-03 12:26:15,796 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:26:15" (1/1) ... [2024-11-03 12:26:15,809 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-03 12:26:15,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:26:15" (1/1) ... [2024-11-03 12:26:15,809 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:26:15" (1/1) ... [2024-11-03 12:26:15,817 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:26:15" (1/1) ... [2024-11-03 12:26:15,820 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:26:15" (1/1) ... [2024-11-03 12:26:15,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:26:15" (1/1) ... [2024-11-03 12:26:15,823 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:26:15" (1/1) ... [2024-11-03 12:26:15,826 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 12:26:15,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 12:26:15,831 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 12:26:15,831 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 12:26:15,832 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:26:15" (1/1) ... [2024-11-03 12:26:15,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 12:26:15,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 12:26:15,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-03 12:26:15,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-03 12:26:15,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 12:26:15,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 12:26:15,933 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 12:26:15,934 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 12:26:15,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 12:26:15,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 12:26:16,038 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 12:26:16,042 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 12:26:16,256 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-03 12:26:16,256 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 12:26:16,270 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 12:26:16,270 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 12:26:16,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:26:16 BoogieIcfgContainer [2024-11-03 12:26:16,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 12:26:16,273 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 12:26:16,273 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 12:26:16,276 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 12:26:16,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:26:15" (1/3) ... [2024-11-03 12:26:16,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40463d44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:26:16, skipping insertion in model container [2024-11-03 12:26:16,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:26:15" (2/3) ... [2024-11-03 12:26:16,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40463d44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:26:16, skipping insertion in model container [2024-11-03 12:26:16,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:26:16" (3/3) ... [2024-11-03 12:26:16,279 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-86.i [2024-11-03 12:26:16,296 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 12:26:16,296 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 12:26:16,356 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 12:26:16,363 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;@4183f821, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 12:26:16,367 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 12:26:16,372 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 36 states have (on average 1.25) internal successors, (45), 37 states have internal predecessors, (45), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-03 12:26:16,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-03 12:26:16,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 12:26:16,392 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 12:26:16,393 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 12:26:16,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 12:26:16,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1605405134, now seen corresponding path program 1 times [2024-11-03 12:26:16,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 12:26:16,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [801030478] [2024-11-03 12:26:16,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 12:26:16,411 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 12:26:16,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:26:16,418 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 12:26:16,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-03 12:26:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 12:26:16,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 12:26:16,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 12:26:16,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked. [2024-11-03 12:26:16,625 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 12:26:16,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked. [2024-11-03 12:26:16,799 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 12:26:16,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [801030478] [2024-11-03 12:26:16,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [801030478] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 12:26:16,802 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 12:26:16,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-03 12:26:16,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374603611] [2024-11-03 12:26:16,805 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 12:26:16,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 12:26:16,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 12:26:16,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 12:26:16,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 12:26:16,851 INFO L87 Difference]: Start difference. First operand has 67 states, 36 states have (on average 1.25) internal successors, (45), 37 states have internal predecessors, (45), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-03 12:26:16,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 12:26:16,882 INFO L93 Difference]: Finished difference Result 127 states and 224 transitions. [2024-11-03 12:26:16,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 12:26:16,884 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28) Word has length 168 [2024-11-03 12:26:16,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 12:26:16,891 INFO L225 Difference]: With dead ends: 127 [2024-11-03 12:26:16,891 INFO L226 Difference]: Without dead ends: 63 [2024-11-03 12:26:16,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 12:26:16,898 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 12:26:16,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 12:26:16,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-03 12:26:16,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-03 12:26:16,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 33 states have internal predecessors, (38), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-03 12:26:16,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 94 transitions. [2024-11-03 12:26:16,949 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 94 transitions. Word has length 168 [2024-11-03 12:26:16,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 12:26:16,950 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 94 transitions. [2024-11-03 12:26:16,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-03 12:26:16,951 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 94 transitions. [2024-11-03 12:26:16,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-03 12:26:16,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 12:26:16,954 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 12:26:16,960 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-03 12:26:17,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:26:17,156 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 12:26:17,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 12:26:17,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1877447118, now seen corresponding path program 1 times [2024-11-03 12:26:17,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 12:26:17,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [950411962] [2024-11-03 12:26:17,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 12:26:17,157 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 12:26:17,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:26:17,160 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 12:26:17,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-03 12:26:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 12:26:17,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 12:26:17,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 12:26:17,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-03 12:26:17,300 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 12:26:17,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-03 12:26:17,441 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 12:26:17,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [950411962] [2024-11-03 12:26:17,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [950411962] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 12:26:17,441 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 12:26:17,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 12:26:17,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272940890] [2024-11-03 12:26:17,442 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 12:26:17,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 12:26:17,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 12:26:17,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 12:26:17,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 12:26:17,448 INFO L87 Difference]: Start difference. First operand 63 states and 94 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-03 12:26:17,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 12:26:17,508 INFO L93 Difference]: Finished difference Result 136 states and 201 transitions. [2024-11-03 12:26:17,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 12:26:17,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 168 [2024-11-03 12:26:17,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 12:26:17,518 INFO L225 Difference]: With dead ends: 136 [2024-11-03 12:26:17,518 INFO L226 Difference]: Without dead ends: 76 [2024-11-03 12:26:17,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 12:26:17,521 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 13 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 12:26:17,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 181 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 12:26:17,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-03 12:26:17,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 67. [2024-11-03 12:26:17,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 37 states have (on average 1.162162162162162) internal successors, (43), 37 states have internal predecessors, (43), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-03 12:26:17,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 99 transitions. [2024-11-03 12:26:17,538 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 99 transitions. Word has length 168 [2024-11-03 12:26:17,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 12:26:17,540 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 99 transitions. [2024-11-03 12:26:17,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-03 12:26:17,541 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 99 transitions. [2024-11-03 12:26:17,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-03 12:26:17,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 12:26:17,543 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 12:26:17,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-03 12:26:17,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:26:17,744 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 12:26:17,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 12:26:17,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1737461808, now seen corresponding path program 1 times [2024-11-03 12:26:17,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 12:26:17,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2062656869] [2024-11-03 12:26:17,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 12:26:17,746 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 12:26:17,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:26:17,749 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 12:26:17,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-03 12:26:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 12:26:17,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-03 12:26:17,846 INFO L278 TraceCheckSpWp]: Computing forward predicates...