/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/floats-esbmc-regression/trunc_nondet.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 13:54:57,196 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 13:54:57,272 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 13:54:57,277 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 13:54:57,278 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 13:54:57,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 13:54:57,315 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 13:54:57,315 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 13:54:57,316 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 13:54:57,317 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 13:54:57,317 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 13:54:57,317 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 13:54:57,318 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 13:54:57,321 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 13:54:57,321 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 13:54:57,322 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 13:54:57,322 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 13:54:57,322 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 13:54:57,322 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 13:54:57,323 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 13:54:57,323 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 13:54:57,323 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 13:54:57,324 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 13:54:57,324 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 13:54:57,324 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 13:54:57,324 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 13:54:57,325 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 13:54:57,325 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 13:54:57,325 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 13:54:57,325 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 13:54:57,326 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 13:54:57,326 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 13:54:57,326 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 13:54:57,326 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 13:54:57,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 13:54:57,327 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 13:54:57,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 13:54:57,327 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 13:54:57,328 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 13:54:57,328 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 13:54:57,328 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 13:54:57,328 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 13:54:57,329 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 13:54:57,329 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 13:54:57,329 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-03 13:54:57,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 13:54:57,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 13:54:57,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 13:54:57,598 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 13:54:57,599 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 13:54:57,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/trunc_nondet.i [2024-11-03 13:54:58,992 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 13:54:59,280 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 13:54:59,280 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/trunc_nondet.i [2024-11-03 13:54:59,295 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46b87f7b5/17d259500541425b9890d88dbc1921c5/FLAGf41656d41 [2024-11-03 13:54:59,568 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46b87f7b5/17d259500541425b9890d88dbc1921c5 [2024-11-03 13:54:59,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 13:54:59,571 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 13:54:59,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 13:54:59,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 13:54:59,577 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 13:54:59,578 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:54:59" (1/1) ... [2024-11-03 13:54:59,579 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64d3671f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:59, skipping insertion in model container [2024-11-03 13:54:59,579 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:54:59" (1/1) ... [2024-11-03 13:54:59,620 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 13:55:00,019 WARN L250 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/trunc_nondet.i[38163,38176] [2024-11-03 13:55:00,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 13:55:00,050 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 13:55:00,092 WARN L250 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/trunc_nondet.i[38163,38176] [2024-11-03 13:55:00,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 13:55:00,226 INFO L204 MainTranslator]: Completed translation [2024-11-03 13:55:00,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:00 WrapperNode [2024-11-03 13:55:00,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 13:55:00,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 13:55:00,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 13:55:00,228 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 13:55:00,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:00" (1/1) ... [2024-11-03 13:55:00,255 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:00" (1/1) ... [2024-11-03 13:55:00,277 INFO L138 Inliner]: procedures = 461, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2024-11-03 13:55:00,278 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 13:55:00,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 13:55:00,278 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 13:55:00,278 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 13:55:00,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:00" (1/1) ... [2024-11-03 13:55:00,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:00" (1/1) ... [2024-11-03 13:55:00,288 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:00" (1/1) ... [2024-11-03 13:55:00,300 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 13:55:00,301 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:00" (1/1) ... [2024-11-03 13:55:00,301 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:00" (1/1) ... [2024-11-03 13:55:00,311 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:00" (1/1) ... [2024-11-03 13:55:00,313 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:00" (1/1) ... [2024-11-03 13:55:00,315 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:00" (1/1) ... [2024-11-03 13:55:00,316 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:00" (1/1) ... [2024-11-03 13:55:00,321 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 13:55:00,322 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 13:55:00,322 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 13:55:00,322 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 13:55:00,323 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:00" (1/1) ... [2024-11-03 13:55:00,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 13:55:00,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 13:55:00,361 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 13:55:00,364 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 13:55:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 13:55:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-03 13:55:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-03 13:55:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 13:55:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 13:55:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 13:55:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 13:55:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 13:55:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-11-03 13:55:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-11-03 13:55:00,502 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 13:55:00,504 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 13:55:00,659 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-03 13:55:00,659 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 13:55:00,674 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 13:55:00,674 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-03 13:55:00,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:55:00 BoogieIcfgContainer [2024-11-03 13:55:00,675 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 13:55:00,678 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 13:55:00,678 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 13:55:00,681 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 13:55:00,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:54:59" (1/3) ... [2024-11-03 13:55:00,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d71263c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:55:00, skipping insertion in model container [2024-11-03 13:55:00,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:00" (2/3) ... [2024-11-03 13:55:00,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d71263c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:55:00, skipping insertion in model container [2024-11-03 13:55:00,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:55:00" (3/3) ... [2024-11-03 13:55:00,685 INFO L112 eAbstractionObserver]: Analyzing ICFG trunc_nondet.i [2024-11-03 13:55:00,703 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 13:55:00,703 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 13:55:00,764 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 13:55:00,772 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;@65c57cb0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 13:55:00,772 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 13:55:00,779 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 23 states have internal predecessors, (29), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-03 13:55:00,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-03 13:55:00,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 13:55:00,786 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 13:55:00,787 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 13:55:00,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 13:55:00,792 INFO L85 PathProgramCache]: Analyzing trace with hash -632255995, now seen corresponding path program 1 times [2024-11-03 13:55:00,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 13:55:00,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [125687348] [2024-11-03 13:55:00,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 13:55:00,803 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 13:55:00,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 13:55:00,805 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 13:55:00,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-03 13:55:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 13:55:00,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-03 13:55:00,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 13:55:01,212 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-03 13:55:01,213 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 13:55:01,324 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-03 13:55:01,325 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 13:55:01,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [125687348] [2024-11-03 13:55:01,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [125687348] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 13:55:01,327 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 13:55:01,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 6 [2024-11-03 13:55:01,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008502591] [2024-11-03 13:55:01,329 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 13:55:01,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 13:55:01,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 13:55:01,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 13:55:01,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-03 13:55:01,362 INFO L87 Difference]: Start difference. First operand has 36 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 23 states have internal predecessors, (29), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-03 13:55:01,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 13:55:01,795 INFO L93 Difference]: Finished difference Result 96 states and 135 transitions. [2024-11-03 13:55:01,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-03 13:55:01,800 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 27 [2024-11-03 13:55:01,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 13:55:01,808 INFO L225 Difference]: With dead ends: 96 [2024-11-03 13:55:01,808 INFO L226 Difference]: Without dead ends: 55 [2024-11-03 13:55:01,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-03 13:55:01,818 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 25 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-03 13:55:01,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 188 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-03 13:55:01,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-03 13:55:01,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2024-11-03 13:55:01,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 33 states have internal predecessors, (37), 14 states have call successors, (14), 6 states have call predecessors, (14), 7 states have return successors, (13), 13 states have call predecessors, (13), 12 states have call successors, (13) [2024-11-03 13:55:01,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 64 transitions. [2024-11-03 13:55:01,863 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 64 transitions. Word has length 27 [2024-11-03 13:55:01,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 13:55:01,865 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 64 transitions. [2024-11-03 13:55:01,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-03 13:55:01,866 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2024-11-03 13:55:01,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-03 13:55:01,868 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 13:55:01,869 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 13:55:01,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Forceful destruction successful, exit code 0 [2024-11-03 13:55:02,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 13:55:02,070 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 13:55:02,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 13:55:02,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1032400626, now seen corresponding path program 1 times [2024-11-03 13:55:02,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 13:55:02,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2084969959] [2024-11-03 13:55:02,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 13:55:02,072 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 13:55:02,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 13:55:02,074 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 13:55:02,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-03 13:55:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 13:55:02,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-03 13:55:02,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 13:55:02,299 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-03 13:55:02,299 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 13:55:02,392 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-03 13:55:02,393 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 13:55:02,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2084969959] [2024-11-03 13:55:02,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2084969959] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 13:55:02,393 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 13:55:02,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2024-11-03 13:55:02,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017500638] [2024-11-03 13:55:02,394 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 13:55:02,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-03 13:55:02,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 13:55:02,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-03 13:55:02,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-03 13:55:02,397 INFO L87 Difference]: Start difference. First operand 53 states and 64 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-03 13:55:02,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 13:55:02,869 INFO L93 Difference]: Finished difference Result 79 states and 90 transitions. [2024-11-03 13:55:02,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-03 13:55:02,873 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 28 [2024-11-03 13:55:02,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 13:55:02,874 INFO L225 Difference]: With dead ends: 79 [2024-11-03 13:55:02,874 INFO L226 Difference]: Without dead ends: 59 [2024-11-03 13:55:02,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-03 13:55:02,876 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 25 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-03 13:55:02,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 173 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-03 13:55:02,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-03 13:55:02,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 39. [2024-11-03 13:55:02,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 25 states have internal predecessors, (28), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-03 13:55:02,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2024-11-03 13:55:02,886 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 28 [2024-11-03 13:55:02,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 13:55:02,886 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2024-11-03 13:55:02,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-03 13:55:02,887 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2024-11-03 13:55:02,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-03 13:55:02,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 13:55:02,888 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 13:55:02,890 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Forceful destruction successful, exit code 0 [2024-11-03 13:55:03,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 13:55:03,090 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 13:55:03,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 13:55:03,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1221265408, now seen corresponding path program 1 times [2024-11-03 13:55:03,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 13:55:03,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [997261315] [2024-11-03 13:55:03,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 13:55:03,091 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 13:55:03,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 13:55:03,094 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 13:55:03,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-03 13:55:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 13:55:03,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-03 13:55:03,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 13:55:03,243 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-03 13:55:03,243 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 13:55:03,316 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-03 13:55:03,317 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 13:55:03,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [997261315] [2024-11-03 13:55:03,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [997261315] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 13:55:03,317 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 13:55:03,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 6 [2024-11-03 13:55:03,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624379906] [2024-11-03 13:55:03,318 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 13:55:03,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 13:55:03,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 13:55:03,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 13:55:03,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-03 13:55:03,320 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-03 13:55:03,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 13:55:03,354 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions. [2024-11-03 13:55:03,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 13:55:03,355 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 29 [2024-11-03 13:55:03,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 13:55:03,356 INFO L225 Difference]: With dead ends: 59 [2024-11-03 13:55:03,356 INFO L226 Difference]: Without dead ends: 39 [2024-11-03 13:55:03,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 13:55:03,358 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 4 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 13:55:03,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 158 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 13:55:03,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-03 13:55:03,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-11-03 13:55:03,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-03 13:55:03,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2024-11-03 13:55:03,365 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 29 [2024-11-03 13:55:03,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 13:55:03,365 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2024-11-03 13:55:03,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-03 13:55:03,365 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2024-11-03 13:55:03,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-03 13:55:03,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 13:55:03,366 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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 13:55:03,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0 [2024-11-03 13:55:03,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 13:55:03,567 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 13:55:03,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 13:55:03,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1389743859, now seen corresponding path program 1 times [2024-11-03 13:55:03,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 13:55:03,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [719109342] [2024-11-03 13:55:03,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 13:55:03,568 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 13:55:03,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 13:55:03,570 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 13:55:03,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-03 13:55:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 13:55:03,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-03 13:55:03,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 13:55:03,716 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-03 13:55:03,717 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 13:55:03,776 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-03 13:55:03,776 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 13:55:03,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [719109342] [2024-11-03 13:55:03,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [719109342] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 13:55:03,777 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 13:55:03,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 6 [2024-11-03 13:55:03,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719766318] [2024-11-03 13:55:03,777 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 13:55:03,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 13:55:03,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 13:55:03,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 13:55:03,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-03 13:55:03,783 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-03 13:55:03,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 13:55:03,823 INFO L93 Difference]: Finished difference Result 59 states and 66 transitions. [2024-11-03 13:55:03,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 13:55:03,826 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 30 [2024-11-03 13:55:03,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 13:55:03,827 INFO L225 Difference]: With dead ends: 59 [2024-11-03 13:55:03,827 INFO L226 Difference]: Without dead ends: 39 [2024-11-03 13:55:03,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 13:55:03,829 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 4 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 13:55:03,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 155 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 13:55:03,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-03 13:55:03,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-11-03 13:55:03,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 25 states have internal predecessors, (26), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-03 13:55:03,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2024-11-03 13:55:03,841 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 30 [2024-11-03 13:55:03,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 13:55:03,843 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2024-11-03 13:55:03,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-03 13:55:03,844 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2024-11-03 13:55:03,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-03 13:55:03,845 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 13:55:03,846 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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 13:55:03,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0 [2024-11-03 13:55:04,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 13:55:04,046 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 13:55:04,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 13:55:04,047 INFO L85 PathProgramCache]: Analyzing trace with hash 2095876811, now seen corresponding path program 1 times [2024-11-03 13:55:04,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 13:55:04,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [625266069] [2024-11-03 13:55:04,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 13:55:04,048 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 13:55:04,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 13:55:04,050 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 13:55:04,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-03 13:55:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-03 13:55:04,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-03 13:55:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-03 13:55:04,130 INFO L130 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2024-11-03 13:55:04,130 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-03 13:55:04,132 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 13:55:04,141 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Ended with exit code 0 [2024-11-03 13:55:04,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 13:55:04,343 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-03 13:55:04,360 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 13:55:04,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:55:04 BoogieIcfgContainer [2024-11-03 13:55:04,363 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 13:55:04,363 INFO L158 Benchmark]: Toolchain (without parser) took 4792.13ms. Allocated memory is still 310.4MB. Free memory was 261.7MB in the beginning and 217.4MB in the end (delta: 44.4MB). Peak memory consumption was 45.9MB. Max. memory is 8.0GB. [2024-11-03 13:55:04,363 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 204.5MB. Free memory is still 152.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 13:55:04,364 INFO L158 Benchmark]: CACSL2BoogieTranslator took 654.67ms. Allocated memory is still 310.4MB. Free memory was 261.3MB in the beginning and 279.4MB in the end (delta: -18.0MB). Peak memory consumption was 54.7MB. Max. memory is 8.0GB. [2024-11-03 13:55:04,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.21ms. Allocated memory is still 310.4MB. Free memory was 279.4MB in the beginning and 276.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-11-03 13:55:04,364 INFO L158 Benchmark]: Boogie Preprocessor took 43.21ms. Allocated memory is still 310.4MB. Free memory was 276.8MB in the beginning and 274.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 13:55:04,364 INFO L158 Benchmark]: RCFGBuilder took 352.98ms. Allocated memory is still 310.4MB. Free memory was 274.7MB in the beginning and 260.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-11-03 13:55:04,365 INFO L158 Benchmark]: TraceAbstraction took 3684.34ms. Allocated memory is still 310.4MB. Free memory was 259.5MB in the beginning and 217.4MB in the end (delta: 42.1MB). Peak memory consumption was 42.6MB. Max. memory is 8.0GB. [2024-11-03 13:55:04,370 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 204.5MB. Free memory is still 152.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 654.67ms. Allocated memory is still 310.4MB. Free memory was 261.3MB in the beginning and 279.4MB in the end (delta: -18.0MB). Peak memory consumption was 54.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.21ms. Allocated memory is still 310.4MB. Free memory was 279.4MB in the beginning and 276.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.21ms. Allocated memory is still 310.4MB. Free memory was 276.8MB in the beginning and 274.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 352.98ms. Allocated memory is still 310.4MB. Free memory was 274.7MB in the beginning and 260.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 3684.34ms. Allocated memory is still 310.4MB. Free memory was 259.5MB in the beginning and 217.4MB in the end (delta: 42.1MB). Peak memory consumption was 42.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1005]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of rint at line 1017. Possible FailurePath: [L1011] double d = __VERIFIER_nondet_double(); [L1012] CALL assume_abort_if_not(!(sizeof (d) == sizeof (float) ? __isinff (d) : sizeof (d) == sizeof (double) ? __isinf (d) : __isinfl (d))) VAL [\old(cond)=1] [L991] COND FALSE !(!cond) VAL [\old(cond)=1] [L1012] RET assume_abort_if_not(!(sizeof (d) == sizeof (float) ? __isinff (d) : sizeof (d) == sizeof (double) ? __isinf (d) : __isinfl (d))) VAL [d=-0.8750004768371581] [L1013] CALL assume_abort_if_not(!(sizeof (d) == sizeof (float) ? __isnanf (d) : sizeof (d) == sizeof (double) ? __isnan (d) : __isnanl (d))) VAL [\old(cond)=1] [L991] COND FALSE !(!cond) VAL [\old(cond)=1] [L1013] RET assume_abort_if_not(!(sizeof (d) == sizeof (float) ? __isnanf (d) : sizeof (d) == sizeof (double) ? __isnan (d) : __isnanl (d))) VAL [d=-0.8750004768371581] [L1015] int save_round = fegetround(); VAL [d=-0.8750004768371581, save_round=1] [L1016] FCALL fesetround(0xc00) VAL [d=-0.8750004768371581, save_round=1] [L1017] double result = rint(d); [L1018] FCALL fesetround(save_round) VAL [d=-0.8750004768371581, result=-1.5, save_round=1] [L1020] CALL __VERIFIER_assert(trunc(d) == result) VAL [\old(cond)=0] [L1005] COND TRUE !(cond) VAL [\old(cond)=0] [L1005] reach_error() VAL [\old(cond)=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 81 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 674 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 509 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 98 IncrementalHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 165 mSDtfsCounter, 98 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 228 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=1, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 22 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 220 ConstructedInterpolants, 0 QuantifiedInterpolants, 420 SizeOfPredicates, 4 NumberOfNonLiveVariables, 210 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 56/56 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-03 13:55:04,396 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...