/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-nonlinear/dart-dart.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 15:23:14,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 15:23:14,501 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 15:23:14,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 15:23:14,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 15:23:14,533 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 15:23:14,534 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 15:23:14,534 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 15:23:14,535 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 15:23:14,535 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 15:23:14,535 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 15:23:14,536 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 15:23:14,536 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 15:23:14,536 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 15:23:14,537 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 15:23:14,537 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 15:23:14,537 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 15:23:14,538 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 15:23:14,538 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 15:23:14,541 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 15:23:14,541 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 15:23:14,541 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 15:23:14,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 15:23:14,542 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 15:23:14,542 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 15:23:14,542 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 15:23:14,542 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 15:23:14,543 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 15:23:14,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 15:23:14,543 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 15:23:14,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 15:23:14,543 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 15:23:14,544 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 15:23:14,544 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 15:23:14,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 15:23:14,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 15:23:14,545 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 15:23:14,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 15:23:14,546 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 15:23:14,546 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 15:23:14,546 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 15:23:14,547 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 15:23:14,547 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 15:23:14,547 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 15:23:14,547 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-03 15:23:14,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 15:23:14,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 15:23:14,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 15:23:14,774 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 15:23:14,775 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 15:23:14,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-nonlinear/dart-dart.c [2024-11-03 15:23:16,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 15:23:16,244 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 15:23:16,245 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-nonlinear/dart-dart.c [2024-11-03 15:23:16,250 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bf7787d4/0dbd5a0528f14e48bfa67b80a0111bd4/FLAGd80a5c13b [2024-11-03 15:23:16,261 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bf7787d4/0dbd5a0528f14e48bfa67b80a0111bd4 [2024-11-03 15:23:16,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 15:23:16,264 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 15:23:16,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 15:23:16,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 15:23:16,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 15:23:16,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:23:16" (1/1) ... [2024-11-03 15:23:16,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57a4b1bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:23:16, skipping insertion in model container [2024-11-03 15:23:16,272 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:23:16" (1/1) ... [2024-11-03 15:23:16,290 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 15:23:16,435 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-nonlinear/dart-dart.c[602,615] [2024-11-03 15:23:16,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 15:23:16,458 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 15:23:16,469 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-nonlinear/dart-dart.c[602,615] [2024-11-03 15:23:16,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 15:23:16,488 INFO L204 MainTranslator]: Completed translation [2024-11-03 15:23:16,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:23:16 WrapperNode [2024-11-03 15:23:16,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 15:23:16,491 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 15:23:16,491 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 15:23:16,492 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 15:23:16,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:23:16" (1/1) ... [2024-11-03 15:23:16,505 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:23:16" (1/1) ... [2024-11-03 15:23:16,519 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24 [2024-11-03 15:23:16,519 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 15:23:16,520 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 15:23:16,520 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 15:23:16,520 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 15:23:16,528 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:23:16" (1/1) ... [2024-11-03 15:23:16,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:23:16" (1/1) ... [2024-11-03 15:23:16,531 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:23:16" (1/1) ... [2024-11-03 15:23:16,541 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 15:23:16,541 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:23:16" (1/1) ... [2024-11-03 15:23:16,541 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:23:16" (1/1) ... [2024-11-03 15:23:16,548 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:23:16" (1/1) ... [2024-11-03 15:23:16,550 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:23:16" (1/1) ... [2024-11-03 15:23:16,550 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:23:16" (1/1) ... [2024-11-03 15:23:16,551 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:23:16" (1/1) ... [2024-11-03 15:23:16,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 15:23:16,556 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 15:23:16,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 15:23:16,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 15:23:16,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:23:16" (1/1) ... [2024-11-03 15:23:16,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 15:23:16,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 15:23:16,584 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 15:23:16,591 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 15:23:16,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 15:23:16,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 15:23:16,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 15:23:16,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 15:23:16,678 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 15:23:16,680 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 15:23:16,798 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-03 15:23:16,798 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 15:23:16,812 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 15:23:16,812 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-03 15:23:16,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:23:16 BoogieIcfgContainer [2024-11-03 15:23:16,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 15:23:16,815 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 15:23:16,815 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 15:23:16,818 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 15:23:16,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:23:16" (1/3) ... [2024-11-03 15:23:16,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cdc70ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:23:16, skipping insertion in model container [2024-11-03 15:23:16,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:23:16" (2/3) ... [2024-11-03 15:23:16,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cdc70ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:23:16, skipping insertion in model container [2024-11-03 15:23:16,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:23:16" (3/3) ... [2024-11-03 15:23:16,821 INFO L112 eAbstractionObserver]: Analyzing ICFG dart-dart.c [2024-11-03 15:23:16,836 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 15:23:16,836 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 15:23:16,881 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 15:23:16,886 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;@5d5f4362, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 15:23:16,887 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 15:23:16,890 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 15:23:16,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-03 15:23:16,894 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 15:23:16,895 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-03 15:23:16,895 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 15:23:16,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 15:23:16,899 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2024-11-03 15:23:16,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 15:23:16,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1435130720] [2024-11-03 15:23:16,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 15:23:16,909 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 15:23:16,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:23:16,914 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 15:23:16,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-03 15:23:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-03 15:23:16,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-03 15:23:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-03 15:23:17,018 INFO L130 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2024-11-03 15:23:17,020 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-03 15:23:17,022 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 15:23:17,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Forceful destruction successful, exit code 0 [2024-11-03 15:23:17,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 15:23:17,231 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-03 15:23:17,240 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 15:23:17,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:23:17 BoogieIcfgContainer [2024-11-03 15:23:17,242 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 15:23:17,243 INFO L158 Benchmark]: Toolchain (without parser) took 979.19ms. Allocated memory is still 320.9MB. Free memory was 274.2MB in the beginning and 235.4MB in the end (delta: 38.8MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2024-11-03 15:23:17,244 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 208.7MB. Free memory is still 163.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 15:23:17,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.76ms. Allocated memory is still 320.9MB. Free memory was 274.2MB in the beginning and 261.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-03 15:23:17,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.05ms. Allocated memory is still 320.9MB. Free memory was 261.6MB in the beginning and 260.5MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-11-03 15:23:17,245 INFO L158 Benchmark]: Boogie Preprocessor took 32.92ms. Allocated memory is still 320.9MB. Free memory was 260.5MB in the beginning and 259.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-11-03 15:23:17,246 INFO L158 Benchmark]: RCFGBuilder took 256.89ms. Allocated memory is still 320.9MB. Free memory was 258.5MB in the beginning and 248.5MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2024-11-03 15:23:17,246 INFO L158 Benchmark]: TraceAbstraction took 427.46ms. Allocated memory is still 320.9MB. Free memory was 248.0MB in the beginning and 235.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-03 15:23:17,248 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 208.7MB. Free memory is still 163.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 225.76ms. Allocated memory is still 320.9MB. Free memory was 274.2MB in the beginning and 261.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.05ms. Allocated memory is still 320.9MB. Free memory was 261.6MB in the beginning and 260.5MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.92ms. Allocated memory is still 320.9MB. Free memory was 260.5MB in the beginning and 259.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 256.89ms. Allocated memory is still 320.9MB. Free memory was 258.5MB in the beginning and 248.5MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 427.46ms. Allocated memory is still 320.9MB. Free memory was 248.0MB in the beginning and 235.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. 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 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L26] int x, y; [L27] x = __VERIFIER_nondet_int() [L28] y = x * x * x [L29] CALL __VERIFIER_assert((x >= 0 && y >= 0) || (x <= 0 && y <= 0)) [L16] COND TRUE !(cond) [L18] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 proved your program to be incorrect! [2024-11-03 15:23:17,277 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...