/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 'cvc5 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/float-benchs/rlim_invariant.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 05:54:55,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 05:54:55,517 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 05:54:55,523 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 05:54:55,524 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 05:54:55,552 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 05:54:55,553 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 05:54:55,553 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 05:54:55,554 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 05:54:55,554 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 05:54:55,554 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 05:54:55,555 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 05:54:55,555 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 05:54:55,557 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 05:54:55,557 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 05:54:55,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 05:54:55,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 05:54:55,558 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 05:54:55,558 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 05:54:55,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 05:54:55,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 05:54:55,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 05:54:55,562 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 05:54:55,562 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 05:54:55,563 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 05:54:55,563 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 05:54:55,563 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 05:54:55,563 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 05:54:55,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 05:54:55,564 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 05:54:55,564 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 05:54:55,564 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 05:54:55,564 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 05:54:55,564 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 05:54:55,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 05:54:55,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 05:54:55,565 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 05:54:55,566 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 05:54:55,566 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 05:54:55,566 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 05:54:55,566 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 05:54:55,567 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 05:54:55,567 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 05:54:55,567 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 05:54:55,567 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-03 05:54:55,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 05:54:55,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 05:54:55,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 05:54:55,815 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 05:54:55,816 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 05:54:55,817 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/rlim_invariant.c [2024-11-03 05:54:57,113 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 05:54:57,313 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 05:54:57,313 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/rlim_invariant.c [2024-11-03 05:54:57,319 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2609c64ec/58cf872cbf8d4d259920da8a8db540f8/FLAGbfd9ce4af [2024-11-03 05:54:57,685 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2609c64ec/58cf872cbf8d4d259920da8a8db540f8 [2024-11-03 05:54:57,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 05:54:57,689 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 05:54:57,691 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 05:54:57,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 05:54:57,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 05:54:57,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:54:57" (1/1) ... [2024-11-03 05:54:57,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d655a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:54:57, skipping insertion in model container [2024-11-03 05:54:57,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:54:57" (1/1) ... [2024-11-03 05:54:57,719 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 05:54:57,871 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/rlim_invariant.c[451,464] [2024-11-03 05:54:57,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 05:54:57,903 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 05:54:57,915 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/rlim_invariant.c[451,464] [2024-11-03 05:54:57,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 05:54:57,936 INFO L204 MainTranslator]: Completed translation [2024-11-03 05:54:57,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:54:57 WrapperNode [2024-11-03 05:54:57,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 05:54:57,937 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 05:54:57,937 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 05:54:57,937 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 05:54:57,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:54:57" (1/1) ... [2024-11-03 05:54:57,950 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:54:57" (1/1) ... [2024-11-03 05:54:57,963 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2024-11-03 05:54:57,964 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 05:54:57,964 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 05:54:57,964 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 05:54:57,965 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 05:54:57,974 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:54:57" (1/1) ... [2024-11-03 05:54:57,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:54:57" (1/1) ... [2024-11-03 05:54:57,977 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:54:57" (1/1) ... [2024-11-03 05:54:57,986 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 05:54:57,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:54:57" (1/1) ... [2024-11-03 05:54:57,987 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:54:57" (1/1) ... [2024-11-03 05:54:57,992 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:54:57" (1/1) ... [2024-11-03 05:54:57,995 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:54:57" (1/1) ... [2024-11-03 05:54:57,997 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:54:57" (1/1) ... [2024-11-03 05:54:57,998 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:54:57" (1/1) ... [2024-11-03 05:54:58,000 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 05:54:58,001 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 05:54:58,002 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 05:54:58,002 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 05:54:58,002 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:54:57" (1/1) ... [2024-11-03 05:54:58,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 05:54:58,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 05:54:58,040 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 05:54:58,044 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 05:54:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 05:54:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 05:54:58,075 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 05:54:58,075 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 05:54:58,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 05:54:58,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 05:54:58,152 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 05:54:58,154 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 05:54:58,403 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-03 05:54:58,404 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 05:54:58,414 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 05:54:58,414 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 05:54:58,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:54:58 BoogieIcfgContainer [2024-11-03 05:54:58,414 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 05:54:58,416 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 05:54:58,417 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 05:54:58,420 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 05:54:58,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:54:57" (1/3) ... [2024-11-03 05:54:58,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b9e060e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:54:58, skipping insertion in model container [2024-11-03 05:54:58,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:54:57" (2/3) ... [2024-11-03 05:54:58,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b9e060e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:54:58, skipping insertion in model container [2024-11-03 05:54:58,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:54:58" (3/3) ... [2024-11-03 05:54:58,426 INFO L112 eAbstractionObserver]: Analyzing ICFG rlim_invariant.c [2024-11-03 05:54:58,443 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 05:54:58,444 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 05:54:58,498 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 05:54:58,504 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;@4ff7583f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 05:54:58,504 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 05:54:58,507 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 17 states have (on average 1.411764705882353) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-03 05:54:58,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-03 05:54:58,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:54:58,515 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:54:58,515 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:54:58,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:54:58,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1358229485, now seen corresponding path program 1 times [2024-11-03 05:54:58,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:54:58,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2000468017] [2024-11-03 05:54:58,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:54:58,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:54:58,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:54:58,534 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:54:58,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-03 05:54:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:54:58,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 05:54:58,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:54:58,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-03 05:54:58,641 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:54:58,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-03 05:54:58,659 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:54:58,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2000468017] [2024-11-03 05:54:58,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2000468017] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:54:58,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:54:58,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-03 05:54:58,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897172164] [2024-11-03 05:54:58,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:54:58,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 05:54:58,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:54:58,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 05:54:58,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 05:54:58,686 INFO L87 Difference]: Start difference. First operand has 22 states, 17 states have (on average 1.411764705882353) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-03 05:54:58,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:54:58,700 INFO L93 Difference]: Finished difference Result 42 states and 56 transitions. [2024-11-03 05:54:58,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 05:54:58,702 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2024-11-03 05:54:58,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:54:58,709 INFO L225 Difference]: With dead ends: 42 [2024-11-03 05:54:58,709 INFO L226 Difference]: Without dead ends: 18 [2024-11-03 05:54:58,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 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 05:54:58,719 INFO L432 NwaCegarLoop]: 25 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, 25 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 05:54:58,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 05:54:58,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-03 05:54:58,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-03 05:54:58,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-03 05:54:58,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2024-11-03 05:54:58,755 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 18 [2024-11-03 05:54:58,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:54:58,755 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2024-11-03 05:54:58,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-03 05:54:58,756 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-03 05:54:58,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-03 05:54:58,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:54:58,758 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:54:58,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-03 05:54:58,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:54:58,960 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:54:58,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:54:58,961 INFO L85 PathProgramCache]: Analyzing trace with hash -37923155, now seen corresponding path program 1 times [2024-11-03 05:54:58,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:54:58,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [728212419] [2024-11-03 05:54:58,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:54:58,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:54:58,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:54:58,965 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:54:58,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-03 05:54:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:54:59,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-03 05:54:59,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:54:59,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-03 05:54:59,589 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:55:53,472 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 129.0))) (let ((.cse2 (fp.neg .cse1)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 16.0))) (and (or (and (forall ((|v_ULTIMATE.start_main_~D~0#1_BEFORE_CALL_1| (_ FloatingPoint 8 24))) (or (forall ((|v_ULTIMATE.start_main_~Y~0#1_BEFORE_CALL_3| (_ FloatingPoint 8 24))) (or (exists ((|ULTIMATE.start_main_~D~0#1| (_ FloatingPoint 8 24))) (and (fp.leq |ULTIMATE.start_main_~D~0#1| .cse0) (fp.geq |ULTIMATE.start_main_~D~0#1| (_ +zero 8 24)) (not (fp.leq (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~Y~0#1_BEFORE_CALL_3| |ULTIMATE.start_main_~D~0#1|) .cse1)))) (exists ((|ULTIMATE.start_main_~D~0#1| (_ FloatingPoint 8 24))) (and (not (fp.geq (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~Y~0#1_BEFORE_CALL_3| |ULTIMATE.start_main_~D~0#1|) .cse2)) (fp.leq |ULTIMATE.start_main_~D~0#1| .cse0) (fp.geq |ULTIMATE.start_main_~D~0#1| (_ +zero 8 24)))) (fp.geq (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~Y~0#1_BEFORE_CALL_3| |v_ULTIMATE.start_main_~D~0#1_BEFORE_CALL_1|) .cse2))) (not (fp.leq |v_ULTIMATE.start_main_~D~0#1_BEFORE_CALL_1| .cse0)) (not (fp.geq |v_ULTIMATE.start_main_~D~0#1_BEFORE_CALL_1| (_ +zero 8 24))))) (forall ((|v_ULTIMATE.start_main_~D~0#1_BEFORE_CALL_1| (_ FloatingPoint 8 24))) (or (not (fp.leq |v_ULTIMATE.start_main_~D~0#1_BEFORE_CALL_1| .cse0)) (not (fp.geq |v_ULTIMATE.start_main_~D~0#1_BEFORE_CALL_1| (_ +zero 8 24))) (forall ((|v_ULTIMATE.start_main_~Y~0#1_BEFORE_CALL_3| (_ FloatingPoint 8 24))) (or (exists ((|ULTIMATE.start_main_~D~0#1| (_ FloatingPoint 8 24))) (and (fp.leq |ULTIMATE.start_main_~D~0#1| .cse0) (fp.geq |ULTIMATE.start_main_~D~0#1| (_ +zero 8 24)) (not (fp.leq (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~Y~0#1_BEFORE_CALL_3| |ULTIMATE.start_main_~D~0#1|) .cse1)))) (fp.leq (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~Y~0#1_BEFORE_CALL_3| |v_ULTIMATE.start_main_~D~0#1_BEFORE_CALL_1|) .cse1) (exists ((|ULTIMATE.start_main_~D~0#1| (_ FloatingPoint 8 24))) (and (not (fp.geq (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~Y~0#1_BEFORE_CALL_3| |ULTIMATE.start_main_~D~0#1|) .cse2)) (fp.leq |ULTIMATE.start_main_~D~0#1| .cse0) (fp.geq |ULTIMATE.start_main_~D~0#1| (_ +zero 8 24))))))))) (not (= |c_assume_abort_if_not_#in~cond| (_ bv1 32)))) (or (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32))) (and (forall ((|v_ULTIMATE.start_main_~Y~0#1_BEFORE_CALL_3| (_ FloatingPoint 8 24))) (or (exists ((|ULTIMATE.start_main_~D~0#1| (_ FloatingPoint 8 24))) (and (fp.leq |ULTIMATE.start_main_~D~0#1| .cse0) (fp.geq |ULTIMATE.start_main_~D~0#1| (_ +zero 8 24)) (not (fp.leq (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~Y~0#1_BEFORE_CALL_3| |ULTIMATE.start_main_~D~0#1|) .cse1)))) (forall ((|v_ULTIMATE.start_main_~D~0#1_BEFORE_CALL_1| (_ FloatingPoint 8 24))) (or (fp.leq |v_ULTIMATE.start_main_~D~0#1_BEFORE_CALL_1| .cse0) (fp.geq (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~Y~0#1_BEFORE_CALL_3| |v_ULTIMATE.start_main_~D~0#1_BEFORE_CALL_1|) .cse2))) (exists ((|ULTIMATE.start_main_~D~0#1| (_ FloatingPoint 8 24))) (and (not (fp.geq (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~Y~0#1_BEFORE_CALL_3| |ULTIMATE.start_main_~D~0#1|) .cse2)) (fp.leq |ULTIMATE.start_main_~D~0#1| .cse0) (fp.geq |ULTIMATE.start_main_~D~0#1| (_ +zero 8 24)))))) (forall ((|v_ULTIMATE.start_main_~Y~0#1_BEFORE_CALL_3| (_ FloatingPoint 8 24))) (or (exists ((|ULTIMATE.start_main_~D~0#1| (_ FloatingPoint 8 24))) (and (fp.leq |ULTIMATE.start_main_~D~0#1| .cse0) (fp.geq |ULTIMATE.start_main_~D~0#1| (_ +zero 8 24)) (not (fp.leq (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~Y~0#1_BEFORE_CALL_3| |ULTIMATE.start_main_~D~0#1|) .cse1)))) (forall ((|v_ULTIMATE.start_main_~D~0#1_BEFORE_CALL_1| (_ FloatingPoint 8 24))) (or (fp.leq (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~Y~0#1_BEFORE_CALL_3| |v_ULTIMATE.start_main_~D~0#1_BEFORE_CALL_1|) .cse1) (fp.leq |v_ULTIMATE.start_main_~D~0#1_BEFORE_CALL_1| .cse0))) (exists ((|ULTIMATE.start_main_~D~0#1| (_ FloatingPoint 8 24))) (and (not (fp.geq (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~Y~0#1_BEFORE_CALL_3| |ULTIMATE.start_main_~D~0#1|) .cse2)) (fp.leq |ULTIMATE.start_main_~D~0#1| .cse0) (fp.geq |ULTIMATE.start_main_~D~0#1| (_ +zero 8 24)))))) (forall ((|v_ULTIMATE.start_main_~Y~0#1_BEFORE_CALL_3| (_ FloatingPoint 8 24))) (or (exists ((|ULTIMATE.start_main_~D~0#1| (_ FloatingPoint 8 24))) (and (fp.leq |ULTIMATE.start_main_~D~0#1| .cse0) (fp.geq |ULTIMATE.start_main_~D~0#1| (_ +zero 8 24)) (not (fp.leq (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~Y~0#1_BEFORE_CALL_3| |ULTIMATE.start_main_~D~0#1|) .cse1)))) (exists ((|ULTIMATE.start_main_~D~0#1| (_ FloatingPoint 8 24))) (and (not (fp.geq (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~Y~0#1_BEFORE_CALL_3| |ULTIMATE.start_main_~D~0#1|) .cse2)) (fp.leq |ULTIMATE.start_main_~D~0#1| .cse0) (fp.geq |ULTIMATE.start_main_~D~0#1| (_ +zero 8 24)))) (forall ((|v_ULTIMATE.start_main_~D~0#1_BEFORE_CALL_1| (_ FloatingPoint 8 24))) (or (fp.geq |v_ULTIMATE.start_main_~D~0#1_BEFORE_CALL_1| (_ +zero 8 24)) (fp.geq (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~Y~0#1_BEFORE_CALL_3| |v_ULTIMATE.start_main_~D~0#1_BEFORE_CALL_1|) .cse2))))) (forall ((|v_ULTIMATE.start_main_~Y~0#1_BEFORE_CALL_3| (_ FloatingPoint 8 24))) (or (exists ((|ULTIMATE.start_main_~D~0#1| (_ FloatingPoint 8 24))) (and (fp.leq |ULTIMATE.start_main_~D~0#1| .cse0) (fp.geq |ULTIMATE.start_main_~D~0#1| (_ +zero 8 24)) (not (fp.leq (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~Y~0#1_BEFORE_CALL_3| |ULTIMATE.start_main_~D~0#1|) .cse1)))) (forall ((|v_ULTIMATE.start_main_~D~0#1_BEFORE_CALL_1| (_ FloatingPoint 8 24))) (or (fp.leq (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~Y~0#1_BEFORE_CALL_3| |v_ULTIMATE.start_main_~D~0#1_BEFORE_CALL_1|) .cse1) (fp.geq |v_ULTIMATE.start_main_~D~0#1_BEFORE_CALL_1| (_ +zero 8 24)))) (exists ((|ULTIMATE.start_main_~D~0#1| (_ FloatingPoint 8 24))) (and (not (fp.geq (fp.sub c_currentRoundingMode |v_ULTIMATE.start_main_~Y~0#1_BEFORE_CALL_3| |ULTIMATE.start_main_~D~0#1|) .cse2)) (fp.leq |ULTIMATE.start_main_~D~0#1| .cse0) (fp.geq |ULTIMATE.start_main_~D~0#1| (_ +zero 8 24))))))))))) is different from true