/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 Internal_SMTInterpol -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/floats-esbmc-regression/nearbyint.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-10-31 15:08:08,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 15:08:08,811 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 15:08:08,849 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 15:08:08,850 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 15:08:08,850 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 15:08:08,850 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 15:08:08,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 15:08:08,851 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 15:08:08,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 15:08:08,854 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 15:08:08,855 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 15:08:08,855 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 15:08:08,855 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 15:08:08,856 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 15:08:08,856 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 15:08:08,856 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 15:08:08,857 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 15:08:08,857 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 15:08:08,857 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 15:08:08,858 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 15:08:08,859 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 15:08:08,859 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 15:08:08,859 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 15:08:08,860 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 15:08:08,860 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 15:08:08,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 15:08:08,861 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 15:08:08,861 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 15:08:08,861 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 15:08:08,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 15:08:08,862 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 15:08:08,862 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 15:08:08,862 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 15:08:08,863 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 15:08:08,863 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 15:08:08,864 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 15:08:08,864 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 15:08:08,864 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 15:08:08,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 15:08:08,866 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 15:08:08,866 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol [2024-10-31 15:08:09,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 15:08:09,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 15:08:09,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 15:08:09,175 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 15:08:09,175 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 15:08:09,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/nearbyint.i [2024-10-31 15:08:10,495 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 15:08:10,787 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 15:08:10,788 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/nearbyint.i [2024-10-31 15:08:10,801 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2aec9c06/a8bc5360c01844bb919fd602add7b740/FLAGf285fe2e9 [2024-10-31 15:08:10,813 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2aec9c06/a8bc5360c01844bb919fd602add7b740 [2024-10-31 15:08:10,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 15:08:10,816 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-31 15:08:10,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 15:08:10,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 15:08:10,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 15:08:10,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 03:08:10" (1/1) ... [2024-10-31 15:08:10,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e1b352e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:08:10, skipping insertion in model container [2024-10-31 15:08:10,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 03:08:10" (1/1) ... [2024-10-31 15:08:10,871 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 15:08:11,409 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/nearbyint.i[38068,38081] [2024-10-31 15:08:11,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 15:08:11,448 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 15:08:11,481 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/nearbyint.i[38068,38081] [2024-10-31 15:08:11,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 15:08:11,623 INFO L204 MainTranslator]: Completed translation [2024-10-31 15:08:11,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:08:11 WrapperNode [2024-10-31 15:08:11,624 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 15:08:11,627 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 15:08:11,627 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 15:08:11,627 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 15:08:11,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:08:11" (1/1) ... [2024-10-31 15:08:11,667 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:08:11" (1/1) ... [2024-10-31 15:08:11,706 INFO L138 Inliner]: procedures = 463, calls = 36, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 139 [2024-10-31 15:08:11,707 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 15:08:11,707 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 15:08:11,707 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 15:08:11,707 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 15:08:11,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:08:11" (1/1) ... [2024-10-31 15:08:11,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:08:11" (1/1) ... [2024-10-31 15:08:11,723 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:08:11" (1/1) ... [2024-10-31 15:08:11,744 INFO L175 MemorySlicer]: Split 8 memory accesses to 2 slices as follows [2, 6]. 75 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 4]. The 0 writes are split as follows [0, 0]. [2024-10-31 15:08:11,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:08:11" (1/1) ... [2024-10-31 15:08:11,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:08:11" (1/1) ... [2024-10-31 15:08:11,758 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:08:11" (1/1) ... [2024-10-31 15:08:11,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:08:11" (1/1) ... [2024-10-31 15:08:11,770 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:08:11" (1/1) ... [2024-10-31 15:08:11,771 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:08:11" (1/1) ... [2024-10-31 15:08:11,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 15:08:11,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 15:08:11,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 15:08:11,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 15:08:11,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:08:11" (1/1) ... [2024-10-31 15:08:11,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 15:08:11,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-31 15:08:11,815 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) [2024-10-31 15:08:11,819 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 [2024-10-31 15:08:11,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 15:08:11,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 15:08:11,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-31 15:08:11,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-10-31 15:08:11,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-10-31 15:08:11,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 15:08:11,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 15:08:11,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 15:08:11,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 15:08:11,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 15:08:11,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-31 15:08:11,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-31 15:08:11,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 15:08:11,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-10-31 15:08:11,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-10-31 15:08:11,987 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 15:08:11,989 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 15:08:12,225 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-10-31 15:08:12,226 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 15:08:12,240 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 15:08:12,241 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 15:08:12,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 03:08:12 BoogieIcfgContainer [2024-10-31 15:08:12,242 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 15:08:12,245 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 15:08:12,245 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 15:08:12,247 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 15:08:12,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 03:08:10" (1/3) ... [2024-10-31 15:08:12,248 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17888d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 03:08:12, skipping insertion in model container [2024-10-31 15:08:12,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 03:08:11" (2/3) ... [2024-10-31 15:08:12,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17888d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 03:08:12, skipping insertion in model container [2024-10-31 15:08:12,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 03:08:12" (3/3) ... [2024-10-31 15:08:12,250 INFO L112 eAbstractionObserver]: Analyzing ICFG nearbyint.i [2024-10-31 15:08:12,262 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 15:08:12,263 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 15:08:12,317 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 15:08:12,322 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;@4d9b9ebf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 15:08:12,322 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 15:08:12,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 43 states have internal predecessors, (50), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-31 15:08:12,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-31 15:08:12,332 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 15:08:12,333 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 15:08:12,333 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 15:08:12,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 15:08:12,338 INFO L85 PathProgramCache]: Analyzing trace with hash 60099875, now seen corresponding path program 1 times [2024-10-31 15:08:12,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-10-31 15:08:12,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [347544248] [2024-10-31 15:08:12,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 15:08:12,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 15:08:12,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 15:08:12,511 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Unsupported internal sort: RoundingMode at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:88) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:113) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Unsupported internal sort: RoundingMode at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.assertTerm(SMTInterpol.java:672) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.assertTerm(ManagedScript.java:143) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:193) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertConjunctsOfCodeBlocks.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertConjuncts(AnnotateAndAssertConjunctsOfCodeBlocks.java:135) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertNonCall(AnnotateAndAssertConjunctsOfCodeBlocks.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:101) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:317) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:215) ... 29 more [2024-10-31 15:08:12,520 INFO L158 Benchmark]: Toolchain (without parser) took 1703.20ms. Allocated memory is still 222.3MB. Free memory was 183.3MB in the beginning and 93.2MB in the end (delta: 90.2MB). Peak memory consumption was 90.2MB. Max. memory is 8.0GB. [2024-10-31 15:08:12,520 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 222.3MB. Free memory is still 199.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-10-31 15:08:12,521 INFO L158 Benchmark]: CACSL2BoogieTranslator took 807.35ms. Allocated memory is still 222.3MB. Free memory was 182.8MB in the beginning and 133.0MB in the end (delta: 49.8MB). Peak memory consumption was 50.3MB. Max. memory is 8.0GB. [2024-10-31 15:08:12,521 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.99ms. Allocated memory is still 222.3MB. Free memory was 132.5MB in the beginning and 129.9MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-10-31 15:08:12,522 INFO L158 Benchmark]: Boogie Preprocessor took 67.21ms. Allocated memory is still 222.3MB. Free memory was 129.9MB in the beginning and 127.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-10-31 15:08:12,523 INFO L158 Benchmark]: RCFGBuilder took 466.65ms. Allocated memory is still 222.3MB. Free memory was 127.2MB in the beginning and 107.8MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-10-31 15:08:12,524 INFO L158 Benchmark]: TraceAbstraction took 273.92ms. Allocated memory is still 222.3MB. Free memory was 107.3MB in the beginning and 93.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-10-31 15:08:12,527 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 222.3MB. Free memory is still 199.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 807.35ms. Allocated memory is still 222.3MB. Free memory was 182.8MB in the beginning and 133.0MB in the end (delta: 49.8MB). Peak memory consumption was 50.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 79.99ms. Allocated memory is still 222.3MB. Free memory was 132.5MB in the beginning and 129.9MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 67.21ms. Allocated memory is still 222.3MB. Free memory was 129.9MB in the beginning and 127.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 466.65ms. Allocated memory is still 222.3MB. Free memory was 127.2MB in the beginning and 107.8MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 273.92ms. Allocated memory is still 222.3MB. Free memory was 107.3MB in the beginning and 93.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Unsupported internal sort: RoundingMode de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Unsupported internal sort: RoundingMode: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-31 15:08:12,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...