/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-100_file-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 10:44:19,074 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 10:44:19,138 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 10:44:19,142 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 10:44:19,143 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 10:44:19,170 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 10:44:19,170 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 10:44:19,170 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 10:44:19,171 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 10:44:19,174 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 10:44:19,174 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 10:44:19,174 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 10:44:19,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 10:44:19,176 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 10:44:19,176 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 10:44:19,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 10:44:19,177 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 10:44:19,177 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 10:44:19,177 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 10:44:19,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 10:44:19,177 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 10:44:19,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 10:44:19,178 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 10:44:19,178 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 10:44:19,178 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 10:44:19,178 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 10:44:19,178 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 10:44:19,178 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 10:44:19,178 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 10:44:19,179 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 10:44:19,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 10:44:19,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 10:44:19,180 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 10:44:19,180 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 10:44:19,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 10:44:19,180 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 10:44:19,180 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 10:44:19,180 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 10:44:19,180 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 10:44:19,180 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 10:44:19,181 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 10:44:19,181 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 10:44:19,181 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 10:44:19,181 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 10:44:19,181 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 10:44:19,181 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 10:44:19,181 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 10:44:19,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 10:44:19,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 10:44:19,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 10:44:19,407 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 10:44:19,409 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 10:44:19,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-2.i [2023-12-16 10:44:20,491 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 10:44:20,700 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 10:44:20,701 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-2.i [2023-12-16 10:44:20,708 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16be12528/15efc78c4d3c468992786497844d0ffd/FLAG6fb3ad167 [2023-12-16 10:44:20,719 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16be12528/15efc78c4d3c468992786497844d0ffd [2023-12-16 10:44:20,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 10:44:20,722 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 10:44:20,723 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 10:44:20,723 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 10:44:20,727 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 10:44:20,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 10:44:20" (1/1) ... [2023-12-16 10:44:20,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49ea068b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:44:20, skipping insertion in model container [2023-12-16 10:44:20,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 10:44:20" (1/1) ... [2023-12-16 10:44:20,763 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 10:44:20,903 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-100_file-2.i[915,928] [2023-12-16 10:44:20,966 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 10:44:20,978 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 10:44:20,987 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-100_file-2.i[915,928] [2023-12-16 10:44:21,022 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 10:44:21,035 INFO L206 MainTranslator]: Completed translation [2023-12-16 10:44:21,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:44:21 WrapperNode [2023-12-16 10:44:21,036 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 10:44:21,037 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 10:44:21,037 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 10:44:21,037 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 10:44:21,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:44:21" (1/1) ... [2023-12-16 10:44:21,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:44:21" (1/1) ... [2023-12-16 10:44:21,077 INFO L138 Inliner]: procedures = 27, calls = 58, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 271 [2023-12-16 10:44:21,078 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 10:44:21,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 10:44:21,078 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 10:44:21,078 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 10:44:21,086 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:44:21" (1/1) ... [2023-12-16 10:44:21,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:44:21" (1/1) ... [2023-12-16 10:44:21,093 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:44:21" (1/1) ... [2023-12-16 10:44:21,113 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 10:44:21,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:44:21" (1/1) ... [2023-12-16 10:44:21,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:44:21" (1/1) ... [2023-12-16 10:44:21,123 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:44:21" (1/1) ... [2023-12-16 10:44:21,127 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:44:21" (1/1) ... [2023-12-16 10:44:21,129 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:44:21" (1/1) ... [2023-12-16 10:44:21,131 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:44:21" (1/1) ... [2023-12-16 10:44:21,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 10:44:21,136 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 10:44:21,136 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 10:44:21,136 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 10:44:21,136 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:44:21" (1/1) ... [2023-12-16 10:44:21,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 10:44:21,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 10:44:21,194 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 10:44:21,249 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 10:44:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 10:44:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 10:44:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 10:44:21,259 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 10:44:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 10:44:21,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 10:44:21,400 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 10:44:21,404 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 10:44:43,007 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 10:44:43,034 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 10:44:43,034 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 10:44:43,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 10:44:43 BoogieIcfgContainer [2023-12-16 10:44:43,035 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 10:44:43,042 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 10:44:43,042 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 10:44:43,046 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 10:44:43,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 10:44:20" (1/3) ... [2023-12-16 10:44:43,047 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cee374c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 10:44:43, skipping insertion in model container [2023-12-16 10:44:43,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:44:21" (2/3) ... [2023-12-16 10:44:43,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cee374c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 10:44:43, skipping insertion in model container [2023-12-16 10:44:43,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 10:44:43" (3/3) ... [2023-12-16 10:44:43,049 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-2.i [2023-12-16 10:44:43,063 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 10:44:43,063 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 10:44:43,115 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 10:44:43,121 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;@6c42726d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 10:44:43,121 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 10:44:43,126 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 69 states have (on average 1.5072463768115942) internal successors, (104), 70 states have internal predecessors, (104), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-12-16 10:44:43,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2023-12-16 10:44:43,140 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 10:44:43,140 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 45, 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, 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 10:44:43,141 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 10:44:43,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 10:44:43,145 INFO L85 PathProgramCache]: Analyzing trace with hash -969637876, now seen corresponding path program 1 times [2023-12-16 10:44:43,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 10:44:43,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1322321851] [2023-12-16 10:44:43,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 10:44:43,156 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 10:44:43,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 10:44:43,174 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 10:44:43,204 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 10:44:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 10:44:44,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 10:44:44,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 10:44:44,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 1124 proven. 0 refuted. 0 times theorem prover too weak. 2836 trivial. 0 not checked. [2023-12-16 10:44:44,393 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 10:44:44,393 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 10:44:44,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1322321851] [2023-12-16 10:44:44,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1322321851] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 10:44:44,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 10:44:44,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 10:44:44,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282948769] [2023-12-16 10:44:44,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 10:44:44,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 10:44:44,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 10:44:44,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 10:44:44,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 10:44:44,421 INFO L87 Difference]: Start difference. First operand has 117 states, 69 states have (on average 1.5072463768115942) internal successors, (104), 70 states have internal predecessors, (104), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-12-16 10:44:48,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 10:44:48,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 10:44:48,759 INFO L93 Difference]: Finished difference Result 231 states and 431 transitions. [2023-12-16 10:44:48,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 10:44:48,848 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 277 [2023-12-16 10:44:48,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 10:44:48,853 INFO L225 Difference]: With dead ends: 231 [2023-12-16 10:44:48,854 INFO L226 Difference]: Without dead ends: 115 [2023-12-16 10:44:48,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 10:44:48,882 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-12-16 10:44:48,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 184 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2023-12-16 10:44:48,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-12-16 10:44:48,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2023-12-16 10:44:48,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 68 states have (on average 1.4264705882352942) internal successors, (97), 68 states have internal predecessors, (97), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-12-16 10:44:48,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 187 transitions. [2023-12-16 10:44:48,945 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 187 transitions. Word has length 277 [2023-12-16 10:44:48,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 10:44:48,945 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 187 transitions. [2023-12-16 10:44:48,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-12-16 10:44:48,946 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 187 transitions. [2023-12-16 10:44:48,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2023-12-16 10:44:48,950 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 10:44:48,950 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 45, 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, 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 10:44:48,980 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 10:44:49,161 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 [2023-12-16 10:44:49,162 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 10:44:49,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 10:44:49,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1474316430, now seen corresponding path program 1 times [2023-12-16 10:44:49,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 10:44:49,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [883758650] [2023-12-16 10:44:49,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 10:44:49,164 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 10:44:49,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 10:44:49,165 INFO L229 MonitoredProcess]: Starting monitored process 3 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 10:44:49,167 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 (3)] Waiting until timeout for monitored process [2023-12-16 10:44:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 10:44:50,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 10:44:50,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 10:44:52,184 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 1322 proven. 105 refuted. 0 times theorem prover too weak. 2533 trivial. 0 not checked. [2023-12-16 10:44:52,184 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 10:44:53,539 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 27 proven. 105 refuted. 0 times theorem prover too weak. 3828 trivial. 0 not checked. [2023-12-16 10:44:53,540 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 10:44:53,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [883758650] [2023-12-16 10:44:53,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [883758650] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 10:44:53,540 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 10:44:53,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-12-16 10:44:53,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221812963] [2023-12-16 10:44:53,541 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 10:44:53,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 10:44:53,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 10:44:53,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 10:44:53,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-12-16 10:44:53,545 INFO L87 Difference]: Start difference. First operand 115 states and 187 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 2 states have call successors, (80), 2 states have call predecessors, (80), 4 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) [2023-12-16 10:44:57,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 10:45:01,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 10:45:05,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 10:45:09,823 WARN L539 Checker$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 10:45:10,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 10:45:10,536 INFO L93 Difference]: Finished difference Result 258 states and 409 transitions. [2023-12-16 10:45:10,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 10:45:10,538 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 2 states have call successors, (80), 2 states have call predecessors, (80), 4 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) Word has length 278 [2023-12-16 10:45:10,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 10:45:10,541 INFO L225 Difference]: With dead ends: 258 [2023-12-16 10:45:10,541 INFO L226 Difference]: Without dead ends: 144 [2023-12-16 10:45:10,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 561 GetRequests, 546 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2023-12-16 10:45:10,542 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 193 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 55 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2023-12-16 10:45:10,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 398 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 392 Invalid, 3 Unknown, 0 Unchecked, 16.6s Time] [2023-12-16 10:45:10,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-12-16 10:45:10,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 139. [2023-12-16 10:45:10,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 81 states have (on average 1.345679012345679) internal successors, (109), 82 states have internal predecessors, (109), 54 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2023-12-16 10:45:10,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 217 transitions. [2023-12-16 10:45:10,568 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 217 transitions. Word has length 278 [2023-12-16 10:45:10,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 10:45:10,569 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 217 transitions. [2023-12-16 10:45:10,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 2 states have call successors, (80), 2 states have call predecessors, (80), 4 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) [2023-12-16 10:45:10,570 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 217 transitions. [2023-12-16 10:45:10,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2023-12-16 10:45:10,573 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 10:45:10,573 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 45, 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, 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 10:45:10,603 INFO L540 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 (3)] Forceful destruction successful, exit code 0 [2023-12-16 10:45:10,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 10:45:10,774 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 10:45:10,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 10:45:10,775 INFO L85 PathProgramCache]: Analyzing trace with hash 294063583, now seen corresponding path program 1 times [2023-12-16 10:45:10,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 10:45:10,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1398464702] [2023-12-16 10:45:10,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 10:45:10,776 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 10:45:10,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 10:45:10,778 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 10:45:10,781 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 10:45:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 10:45:12,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-16 10:45:12,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-16 10:45:38,047 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 10:45:38,048 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 10:45:39,079 INFO L540 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)] Forceful destruction successful, exit code 0 [2023-12-16 10:45:39,256 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-16 10:45:39,277 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 10:45:39,278 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 280 with TraceHistMax 45,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-16 10:45:39,281 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-16 10:45:39,282 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 10:45:39,278 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 137 [2023-12-16 10:45:39,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 10:45:39 BoogieIcfgContainer [2023-12-16 10:45:39,286 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 10:45:39,288 INFO L158 Benchmark]: Toolchain (without parser) took 78564.33ms. Allocated memory is still 299.9MB. Free memory was 246.3MB in the beginning and 246.1MB in the end (delta: 256.4kB). Peak memory consumption was 1.8MB. Max. memory is 8.0GB. [2023-12-16 10:45:39,292 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 202.4MB. Free memory is still 151.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 10:45:39,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.02ms. Allocated memory is still 299.9MB. Free memory was 246.0MB in the beginning and 227.9MB in the end (delta: 18.1MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-16 10:45:39,297 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.05ms. Allocated memory is still 299.9MB. Free memory was 227.9MB in the beginning and 224.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 10:45:39,297 INFO L158 Benchmark]: Boogie Preprocessor took 56.78ms. Allocated memory is still 299.9MB. Free memory was 224.8MB in the beginning and 220.1MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 10:45:39,300 INFO L158 Benchmark]: RCFGBuilder took 21899.00ms. Allocated memory is still 299.9MB. Free memory was 220.1MB in the beginning and 253.5MB in the end (delta: -33.4MB). Peak memory consumption was 25.8MB. Max. memory is 8.0GB. [2023-12-16 10:45:39,300 INFO L158 Benchmark]: TraceAbstraction took 56244.49ms. Allocated memory is still 299.9MB. Free memory was 253.0MB in the beginning and 246.1MB in the end (delta: 6.9MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. [2023-12-16 10:45:39,301 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 202.4MB. Free memory is still 151.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 313.02ms. Allocated memory is still 299.9MB. Free memory was 246.0MB in the beginning and 227.9MB in the end (delta: 18.1MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.05ms. Allocated memory is still 299.9MB. Free memory was 227.9MB in the beginning and 224.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 56.78ms. Allocated memory is still 299.9MB. Free memory was 224.8MB in the beginning and 220.1MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 21899.00ms. Allocated memory is still 299.9MB. Free memory was 220.1MB in the beginning and 253.5MB in the end (delta: -33.4MB). Peak memory consumption was 25.8MB. Max. memory is 8.0GB. * TraceAbstraction took 56244.49ms. Allocated memory is still 299.9MB. Free memory was 253.0MB in the beginning and 246.1MB in the end (delta: 6.9MB). Peak memory consumption was 7.5MB. 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 280 with TraceHistMax 45,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 117 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 56.2s, OverallIterations: 3, TraceHistogramMax: 45, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 21.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 211 SdHoareTripleChecker+Valid, 20.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 193 mSDsluCounter, 582 SdHoareTripleChecker+Invalid, 20.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 250 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 394 IncrementalHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 332 mSDtfsCounter, 394 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 837 GetRequests, 822 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=2, InterpolantAutomatonStates: 14, 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, 2 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 555 NumberOfCodeBlocks, 555 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 830 ConstructedInterpolants, 0 QuantifiedInterpolants, 1723 SizeOfPredicates, 4 NumberOfNonLiveVariables, 892 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 11670/11880 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