/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-47.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 11:15:04,729 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 11:15:04,778 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 11:15:04,782 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 11:15:04,783 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 11:15:04,810 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 11:15:04,810 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 11:15:04,811 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 11:15:04,811 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 11:15:04,812 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 11:15:04,817 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 11:15:04,818 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 11:15:04,819 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 11:15:04,822 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 11:15:04,823 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 11:15:04,823 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 11:15:04,824 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 11:15:04,825 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 11:15:04,825 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 11:15:04,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 11:15:04,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 11:15:04,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 11:15:04,826 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 11:15:04,827 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 11:15:04,827 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 11:15:04,827 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 11:15:04,827 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 11:15:04,827 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 11:15:04,828 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 11:15:04,828 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 11:15:04,828 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 11:15:04,828 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 11:15:04,829 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 11:15:04,829 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 11:15:04,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 11:15:04,829 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 11:15:04,829 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 11:15:04,829 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 11:15:04,830 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 11:15:04,830 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 11:15:04,830 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 11:15:04,830 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 11:15:04,830 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 11:15:04,831 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 11:15:04,831 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 11:15:04,831 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 11:15:04,831 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 11:15:05,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 11:15:05,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 11:15:05,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 11:15:05,043 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 11:15:05,043 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 11:15:05,045 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-47.i [2023-12-16 11:15:06,336 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 11:15:06,527 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 11:15:06,528 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-47.i [2023-12-16 11:15:06,542 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01d5347a3/74a36fbc00574e788b252f9b1aa85281/FLAG9fc8f6656 [2023-12-16 11:15:06,557 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01d5347a3/74a36fbc00574e788b252f9b1aa85281 [2023-12-16 11:15:06,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 11:15:06,560 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 11:15:06,561 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 11:15:06,562 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 11:15:06,568 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 11:15:06,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 11:15:06" (1/1) ... [2023-12-16 11:15:06,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a6e3429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:15:06, skipping insertion in model container [2023-12-16 11:15:06,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 11:15:06" (1/1) ... [2023-12-16 11:15:06,611 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 11:15:06,790 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-47.i[915,928] [2023-12-16 11:15:06,850 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 11:15:06,870 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 11:15:06,880 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-47.i[915,928] [2023-12-16 11:15:06,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 11:15:06,945 INFO L206 MainTranslator]: Completed translation [2023-12-16 11:15:06,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:15:06 WrapperNode [2023-12-16 11:15:06,946 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 11:15:06,947 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 11:15:06,947 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 11:15:06,947 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 11:15:06,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:15:06" (1/1) ... [2023-12-16 11:15:06,969 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:15:06" (1/1) ... [2023-12-16 11:15:07,007 INFO L138 Inliner]: procedures = 27, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 210 [2023-12-16 11:15:07,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 11:15:07,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 11:15:07,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 11:15:07,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 11:15:07,018 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:15:06" (1/1) ... [2023-12-16 11:15:07,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:15:06" (1/1) ... [2023-12-16 11:15:07,023 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:15:06" (1/1) ... [2023-12-16 11:15:07,035 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]. [2023-12-16 11:15:07,035 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:15:06" (1/1) ... [2023-12-16 11:15:07,035 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:15:06" (1/1) ... [2023-12-16 11:15:07,055 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:15:06" (1/1) ... [2023-12-16 11:15:07,059 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:15:06" (1/1) ... [2023-12-16 11:15:07,061 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:15:06" (1/1) ... [2023-12-16 11:15:07,063 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:15:06" (1/1) ... [2023-12-16 11:15:07,079 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 11:15:07,080 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 11:15:07,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 11:15:07,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 11:15:07,081 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:15:06" (1/1) ... [2023-12-16 11:15:07,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 11:15:07,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 11:15:07,126 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) [2023-12-16 11:15:07,158 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 [2023-12-16 11:15:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 11:15:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 11:15:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 11:15:07,169 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 11:15:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 11:15:07,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 11:15:07,279 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 11:15:07,281 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 11:15:20,451 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 11:15:20,534 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 11:15:20,534 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 11:15:20,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:15:20 BoogieIcfgContainer [2023-12-16 11:15:20,535 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 11:15:20,539 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 11:15:20,539 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 11:15:20,542 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 11:15:20,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 11:15:06" (1/3) ... [2023-12-16 11:15:20,544 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ce3d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:15:20, skipping insertion in model container [2023-12-16 11:15:20,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:15:06" (2/3) ... [2023-12-16 11:15:20,544 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ce3d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:15:20, skipping insertion in model container [2023-12-16 11:15:20,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:15:20" (3/3) ... [2023-12-16 11:15:20,545 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-47.i [2023-12-16 11:15:20,561 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 11:15:20,561 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 11:15:20,606 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 11:15:20,612 INFO L357 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, mHoare=true, 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;@5aca87ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 11:15:20,612 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 11:15:20,616 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 53 states have internal predecessors, (75), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-12-16 11:15:20,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-12-16 11:15:20,633 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:15:20,634 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 11:15:20,635 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:15:20,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:15:20,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1972811435, now seen corresponding path program 1 times [2023-12-16 11:15:20,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:15:20,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1148046844] [2023-12-16 11:15:20,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:15:20,685 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 11:15:20,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:15:20,692 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 11:15:20,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-16 11:15:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:15:21,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-16 11:15:21,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:15:24,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2023-12-16 11:15:24,647 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 11:15:25,374 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:15:25,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1148046844] [2023-12-16 11:15:25,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1148046844] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 11:15:25,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1910780797] [2023-12-16 11:15:25,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:15:25,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-16 11:15:25,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-16 11:15:25,378 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-16 11:15:25,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-16 11:15:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:15:27,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 11:15:27,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:15:30,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-12-16 11:15:30,410 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 11:15:30,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1910780797] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 11:15:30,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 11:15:30,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2023-12-16 11:15:30,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695093981] [2023-12-16 11:15:30,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 11:15:30,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 11:15:30,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:15:30,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 11:15:30,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-16 11:15:30,459 INFO L87 Difference]: Start difference. First operand has 89 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 53 states have internal predecessors, (75), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-12-16 11:15:35,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:15:39,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:15:43,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:15:47,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:15:51,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:15:55,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:15:59,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:16:04,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:16:08,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:16:12,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:16:12,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:16:12,552 INFO L93 Difference]: Finished difference Result 422 states and 825 transitions. [2023-12-16 11:16:12,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 11:16:12,555 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 209 [2023-12-16 11:16:12,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:16:12,566 INFO L225 Difference]: With dead ends: 422 [2023-12-16 11:16:12,566 INFO L226 Difference]: Without dead ends: 334 [2023-12-16 11:16:12,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2023-12-16 11:16:12,573 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 347 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 211 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.7s IncrementalHoareTripleChecker+Time [2023-12-16 11:16:12,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 745 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 33 Invalid, 9 Unknown, 0 Unchecked, 41.7s Time] [2023-12-16 11:16:12,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2023-12-16 11:16:12,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 183. [2023-12-16 11:16:12,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 112 states have (on average 1.3482142857142858) internal successors, (151), 112 states have internal predecessors, (151), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2023-12-16 11:16:12,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 287 transitions. [2023-12-16 11:16:12,651 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 287 transitions. Word has length 209 [2023-12-16 11:16:12,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:16:12,652 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 287 transitions. [2023-12-16 11:16:12,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-12-16 11:16:12,652 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 287 transitions. [2023-12-16 11:16:12,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-12-16 11:16:12,656 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:16:12,657 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 11:16:12,679 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-16 11:16:12,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-12-16 11:16:13,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2023-12-16 11:16:13,058 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:16:13,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:16:13,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1735349847, now seen corresponding path program 1 times [2023-12-16 11:16:13,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:16:13,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1340066742] [2023-12-16 11:16:13,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:16:13,060 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 11:16:13,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:16:13,061 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 11:16:13,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-16 11:16:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:16:13,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-16 11:16:13,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-16 11:16:19,728 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 11:16:19,729 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 11:16:19,739 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 11:16:19,758 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-16 11:16:19,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 11:16:19,948 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 210 with TraceHistMax 34,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. [2023-12-16 11:16:19,952 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-16 11:16:19,955 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 11:16:19,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 11:16:19 BoogieIcfgContainer [2023-12-16 11:16:19,957 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 11:16:19,957 INFO L158 Benchmark]: Toolchain (without parser) took 73397.29ms. Allocated memory is still 336.6MB. Free memory was 274.1MB in the beginning and 153.7MB in the end (delta: 120.4MB). Peak memory consumption was 121.4MB. Max. memory is 8.0GB. [2023-12-16 11:16:19,958 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 190.8MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 11:16:19,958 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.99ms. Allocated memory is still 336.6MB. Free memory was 274.1MB in the beginning and 257.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-16 11:16:19,959 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.51ms. Allocated memory is still 336.6MB. Free memory was 257.8MB in the beginning and 255.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 11:16:19,959 INFO L158 Benchmark]: Boogie Preprocessor took 71.52ms. Allocated memory is still 336.6MB. Free memory was 255.3MB in the beginning and 251.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 11:16:19,959 INFO L158 Benchmark]: RCFGBuilder took 13454.37ms. Allocated memory is still 336.6MB. Free memory was 251.1MB in the beginning and 222.2MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2023-12-16 11:16:19,960 INFO L158 Benchmark]: TraceAbstraction took 59418.05ms. Allocated memory is still 336.6MB. Free memory was 221.6MB in the beginning and 153.7MB in the end (delta: 67.9MB). Peak memory consumption was 68.9MB. Max. memory is 8.0GB. [2023-12-16 11:16:19,962 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 190.8MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 384.99ms. Allocated memory is still 336.6MB. Free memory was 274.1MB in the beginning and 257.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 60.51ms. Allocated memory is still 336.6MB. Free memory was 257.8MB in the beginning and 255.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 71.52ms. Allocated memory is still 336.6MB. Free memory was 255.3MB in the beginning and 251.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 13454.37ms. Allocated memory is still 336.6MB. Free memory was 251.1MB in the beginning and 222.2MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * TraceAbstraction took 59418.05ms. Allocated memory is still 336.6MB. Free memory was 221.6MB in the beginning and 153.7MB in the end (delta: 67.9MB). Peak memory consumption was 68.9MB. 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 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 210 with TraceHistMax 34,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 59.4s, OverallIterations: 2, TraceHistogramMax: 34, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 42.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 347 SdHoareTripleChecker+Valid, 41.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 347 mSDsluCounter, 745 SdHoareTripleChecker+Invalid, 41.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 606 mSDsCounter, 211 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 211 mSolverCounterUnsat, 139 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 438 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=183occurred in iteration=1, InterpolantAutomatonStates: 7, 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, 1 MinimizatonAttempts, 151 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 418 NumberOfCodeBlocks, 418 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 416 ConstructedInterpolants, 0 QuantifiedInterpolants, 1381 SizeOfPredicates, 6 NumberOfNonLiveVariables, 684 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 4395/4488 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: Timeout Completed graceful shutdown