/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-50_file-96.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 11:38:48,162 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 11:38:48,220 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 11:38:48,225 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 11:38:48,226 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 11:38:48,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 11:38:48,252 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 11:38:48,252 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 11:38:48,253 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 11:38:48,256 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 11:38:48,256 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 11:38:48,256 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 11:38:48,257 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 11:38:48,258 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 11:38:48,258 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 11:38:48,258 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 11:38:48,258 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 11:38:48,259 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 11:38:48,259 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 11:38:48,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 11:38:48,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 11:38:48,259 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 11:38:48,259 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 11:38:48,260 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 11:38:48,260 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 11:38:48,260 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 11:38:48,260 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 11:38:48,260 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 11:38:48,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 11:38:48,260 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 11:38:48,261 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 11:38:48,261 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 11:38:48,261 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 11:38:48,261 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 11:38:48,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 11:38:48,262 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 11:38:48,262 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 11:38:48,262 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 11:38:48,262 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 11:38:48,262 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 11:38:48,262 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 11:38:48,262 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 11:38:48,263 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 11:38:48,263 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 11:38:48,263 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 11:38:48,263 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 11:38:48,263 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 11:38:48,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 11:38:48,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 11:38:48,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 11:38:48,464 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 11:38:48,466 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 11:38:48,467 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-96.i [2023-12-16 11:38:49,454 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 11:38:49,633 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 11:38:49,634 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-96.i [2023-12-16 11:38:49,643 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d281e47b/3f531814b2be4e849ecc9aa7bc6fe36d/FLAG5088b9609 [2023-12-16 11:38:49,657 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d281e47b/3f531814b2be4e849ecc9aa7bc6fe36d [2023-12-16 11:38:49,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 11:38:49,660 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 11:38:49,662 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 11:38:49,662 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 11:38:49,665 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 11:38:49,666 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 11:38:49" (1/1) ... [2023-12-16 11:38:49,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23f39606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:49, skipping insertion in model container [2023-12-16 11:38:49,667 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 11:38:49" (1/1) ... [2023-12-16 11:38:49,698 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 11:38:49,819 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-50_file-96.i[915,928] [2023-12-16 11:38:49,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 11:38:49,892 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 11:38:49,906 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-50_file-96.i[915,928] [2023-12-16 11:38:49,937 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 11:38:49,955 INFO L206 MainTranslator]: Completed translation [2023-12-16 11:38:49,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:49 WrapperNode [2023-12-16 11:38:49,960 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 11:38:49,961 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 11:38:49,961 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 11:38:49,962 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 11:38:49,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:49" (1/1) ... [2023-12-16 11:38:49,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:49" (1/1) ... [2023-12-16 11:38:49,998 INFO L138 Inliner]: procedures = 27, calls = 71, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 269 [2023-12-16 11:38:49,998 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 11:38:49,999 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 11:38:49,999 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 11:38:49,999 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 11:38:50,006 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:49" (1/1) ... [2023-12-16 11:38:50,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:49" (1/1) ... [2023-12-16 11:38:50,016 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:49" (1/1) ... [2023-12-16 11:38:50,032 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 11:38:50,032 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:49" (1/1) ... [2023-12-16 11:38:50,032 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:49" (1/1) ... [2023-12-16 11:38:50,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:49" (1/1) ... [2023-12-16 11:38:50,049 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:49" (1/1) ... [2023-12-16 11:38:50,051 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:49" (1/1) ... [2023-12-16 11:38:50,052 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:49" (1/1) ... [2023-12-16 11:38:50,055 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 11:38:50,055 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 11:38:50,055 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 11:38:50,056 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 11:38:50,056 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:49" (1/1) ... [2023-12-16 11:38:50,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 11:38:50,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 11:38:50,084 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 11:38:50,086 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 11:38:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 11:38:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 11:38:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 11:38:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 11:38:50,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 11:38:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 11:38:50,190 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 11:38:50,192 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 11:38:52,921 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 11:38:53,000 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 11:38:53,001 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 11:38:53,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:38:53 BoogieIcfgContainer [2023-12-16 11:38:53,001 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 11:38:53,002 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 11:38:53,002 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 11:38:53,005 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 11:38:53,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 11:38:49" (1/3) ... [2023-12-16 11:38:53,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@373a303a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:38:53, skipping insertion in model container [2023-12-16 11:38:53,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:49" (2/3) ... [2023-12-16 11:38:53,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@373a303a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:38:53, skipping insertion in model container [2023-12-16 11:38:53,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:38:53" (3/3) ... [2023-12-16 11:38:53,006 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-96.i [2023-12-16 11:38:53,020 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 11:38:53,020 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 11:38:53,059 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 11:38:53,065 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;@5f822b6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 11:38:53,065 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 11:38:53,069 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 63 states have (on average 1.3650793650793651) internal successors, (86), 64 states have internal predecessors, (86), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-12-16 11:38:53,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2023-12-16 11:38:53,085 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:38:53,085 INFO L195 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:38:53,086 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:38:53,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:38:53,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1150417325, now seen corresponding path program 1 times [2023-12-16 11:38:53,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:38:53,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1503981939] [2023-12-16 11:38:53,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:38:53,104 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 11:38:53,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:38:53,105 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 11:38:53,107 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 11:38:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:38:53,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 11:38:53,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:38:53,514 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 3338 proven. 0 refuted. 0 times theorem prover too weak. 3274 trivial. 0 not checked. [2023-12-16 11:38:53,514 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 11:38:53,515 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:38:53,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1503981939] [2023-12-16 11:38:53,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1503981939] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 11:38:53,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 11:38:53,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 11:38:53,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361745062] [2023-12-16 11:38:53,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 11:38:53,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 11:38:53,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:38:53,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 11:38:53,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 11:38:53,547 INFO L87 Difference]: Start difference. First operand has 124 states, 63 states have (on average 1.3650793650793651) internal successors, (86), 64 states have internal predecessors, (86), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2023-12-16 11:38:55,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:38:55,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:38:55,433 INFO L93 Difference]: Finished difference Result 242 states and 454 transitions. [2023-12-16 11:38:55,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 11:38:55,461 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 340 [2023-12-16 11:38:55,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:38:55,469 INFO L225 Difference]: With dead ends: 242 [2023-12-16 11:38:55,469 INFO L226 Difference]: Without dead ends: 119 [2023-12-16 11:38:55,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 339 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 11:38:55,480 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-16 11:38:55,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 187 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-16 11:38:55,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-12-16 11:38:55,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2023-12-16 11:38:55,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 59 states have (on average 1.2542372881355932) internal successors, (74), 59 states have internal predecessors, (74), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-12-16 11:38:55,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 190 transitions. [2023-12-16 11:38:55,532 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 190 transitions. Word has length 340 [2023-12-16 11:38:55,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:38:55,533 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 190 transitions. [2023-12-16 11:38:55,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2023-12-16 11:38:55,533 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 190 transitions. [2023-12-16 11:38:55,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2023-12-16 11:38:55,538 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:38:55,538 INFO L195 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:38:55,555 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 (2)] Forceful destruction successful, exit code 0 [2023-12-16 11:38:55,753 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 11:38:55,753 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:38:55,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:38:55,754 INFO L85 PathProgramCache]: Analyzing trace with hash 356201573, now seen corresponding path program 1 times [2023-12-16 11:38:55,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:38:55,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1736410171] [2023-12-16 11:38:55,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:38:55,755 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 11:38:55,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:38:55,757 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 11:38:55,758 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 11:38:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:38:56,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 11:38:56,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:38:57,063 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2023-12-16 11:38:57,063 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 11:38:57,063 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:38:57,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1736410171] [2023-12-16 11:38:57,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1736410171] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 11:38:57,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 11:38:57,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 11:38:57,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867326589] [2023-12-16 11:38:57,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 11:38:57,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 11:38:57,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:38:57,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 11:38:57,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 11:38:57,067 INFO L87 Difference]: Start difference. First operand 119 states and 190 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2023-12-16 11:38:59,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:39:01,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:39:01,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:39:01,371 INFO L93 Difference]: Finished difference Result 356 states and 569 transitions. [2023-12-16 11:39:01,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 11:39:01,397 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 340 [2023-12-16 11:39:01,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:39:01,401 INFO L225 Difference]: With dead ends: 356 [2023-12-16 11:39:01,401 INFO L226 Difference]: Without dead ends: 238 [2023-12-16 11:39:01,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 11:39:01,403 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 93 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-12-16 11:39:01,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 553 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-12-16 11:39:01,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2023-12-16 11:39:01,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 224. [2023-12-16 11:39:01,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 105 states have (on average 1.2285714285714286) internal successors, (129), 105 states have internal predecessors, (129), 116 states have call successors, (116), 2 states have call predecessors, (116), 2 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2023-12-16 11:39:01,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 361 transitions. [2023-12-16 11:39:01,459 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 361 transitions. Word has length 340 [2023-12-16 11:39:01,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:39:01,462 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 361 transitions. [2023-12-16 11:39:01,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2023-12-16 11:39:01,465 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 361 transitions. [2023-12-16 11:39:01,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2023-12-16 11:39:01,470 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:39:01,470 INFO L195 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:39:01,483 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 11:39:01,685 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 11:39:01,686 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:39:01,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:39:01,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1057266151, now seen corresponding path program 1 times [2023-12-16 11:39:01,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:39:01,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1573971117] [2023-12-16 11:39:01,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:39:01,705 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 11:39:01,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:39:01,706 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 11:39:01,725 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 11:39:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:39:02,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-16 11:39:02,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:39:03,739 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 3005 proven. 387 refuted. 0 times theorem prover too weak. 3220 trivial. 0 not checked. [2023-12-16 11:39:03,741 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 11:39:03,899 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:39:03,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1573971117] [2023-12-16 11:39:03,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1573971117] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 11:39:03,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1076552371] [2023-12-16 11:39:03,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:39:03,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-16 11:39:03,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-16 11:39:03,941 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-16 11:39:03,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-16 11:39:04,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:39:04,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 11:39:04,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:39:05,149 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 1957 proven. 141 refuted. 0 times theorem prover too weak. 4514 trivial. 0 not checked. [2023-12-16 11:39:05,150 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 11:39:05,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1076552371] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 11:39:05,323 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 11:39:05,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6] total 13 [2023-12-16 11:39:05,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3501592] [2023-12-16 11:39:05,323 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 11:39:05,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-16 11:39:05,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:39:05,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-16 11:39:05,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2023-12-16 11:39:05,325 INFO L87 Difference]: Start difference. First operand 224 states and 361 transitions. Second operand has 13 states, 13 states have (on average 8.538461538461538) internal successors, (111), 13 states have internal predecessors, (111), 4 states have call successors, (104), 4 states have call predecessors, (104), 7 states have return successors, (105), 4 states have call predecessors, (105), 4 states have call successors, (105) [2023-12-16 11:39:07,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:39:10,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:39:11,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:39:11,601 INFO L93 Difference]: Finished difference Result 508 states and 777 transitions. [2023-12-16 11:39:11,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-12-16 11:39:11,602 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.538461538461538) internal successors, (111), 13 states have internal predecessors, (111), 4 states have call successors, (104), 4 states have call predecessors, (104), 7 states have return successors, (105), 4 states have call predecessors, (105), 4 states have call successors, (105) Word has length 340 [2023-12-16 11:39:11,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:39:11,606 INFO L225 Difference]: With dead ends: 508 [2023-12-16 11:39:11,606 INFO L226 Difference]: Without dead ends: 390 [2023-12-16 11:39:11,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 742 GetRequests, 705 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=400, Invalid=1082, Unknown=0, NotChecked=0, Total=1482 [2023-12-16 11:39:11,607 INFO L413 NwaCegarLoop]: 239 mSDtfsCounter, 144 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 923 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-12-16 11:39:11,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 756 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 923 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2023-12-16 11:39:11,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2023-12-16 11:39:11,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 360. [2023-12-16 11:39:11,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 172 states have (on average 1.1453488372093024) internal successors, (197), 173 states have internal predecessors, (197), 174 states have call successors, (174), 13 states have call predecessors, (174), 13 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2023-12-16 11:39:11,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 545 transitions. [2023-12-16 11:39:11,651 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 545 transitions. Word has length 340 [2023-12-16 11:39:11,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:39:11,654 INFO L495 AbstractCegarLoop]: Abstraction has 360 states and 545 transitions. [2023-12-16 11:39:11,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.538461538461538) internal successors, (111), 13 states have internal predecessors, (111), 4 states have call successors, (104), 4 states have call predecessors, (104), 7 states have return successors, (105), 4 states have call predecessors, (105), 4 states have call successors, (105) [2023-12-16 11:39:11,654 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 545 transitions. [2023-12-16 11:39:11,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2023-12-16 11:39:11,656 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:39:11,656 INFO L195 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:39:11,679 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 11:39:11,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-16 11:39:12,063 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=3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2023-12-16 11:39:12,064 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:39:12,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:39:12,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1057325733, now seen corresponding path program 1 times [2023-12-16 11:39:12,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:39:12,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1055403025] [2023-12-16 11:39:12,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:39:12,065 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 11:39:12,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:39:12,066 INFO L229 MonitoredProcess]: Starting monitored process 6 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 11:39:12,068 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 (6)] Waiting until timeout for monitored process [2023-12-16 11:39:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:39:12,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 56 conjunts are in the unsatisfiable core [2023-12-16 11:39:12,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-16 11:40:04,958 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 11:40:04,958 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 (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 11:40:05,138 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 11:40:05,147 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 (6)] Forceful destruction successful, exit code 0 [2023-12-16 11:40:05,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /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 11:40:05,344 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 341 with TraceHistMax 58,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-20-2-2-1 context. [2023-12-16 11:40:05,348 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-16 11:40:05,350 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 11:40:05,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 11:40:05 BoogieIcfgContainer [2023-12-16 11:40:05,351 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 11:40:05,352 INFO L158 Benchmark]: Toolchain (without parser) took 75691.47ms. Allocated memory is still 345.0MB. Free memory was 289.3MB in the beginning and 186.9MB in the end (delta: 102.5MB). Peak memory consumption was 103.9MB. Max. memory is 8.0GB. [2023-12-16 11:40:05,352 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 202.4MB. Free memory is still 150.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 11:40:05,352 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.39ms. Allocated memory is still 345.0MB. Free memory was 289.3MB in the beginning and 272.0MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-16 11:40:05,352 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.83ms. Allocated memory is still 345.0MB. Free memory was 272.0MB in the beginning and 268.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 11:40:05,352 INFO L158 Benchmark]: Boogie Preprocessor took 56.15ms. Allocated memory is still 345.0MB. Free memory was 268.8MB in the beginning and 264.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 11:40:05,353 INFO L158 Benchmark]: RCFGBuilder took 2945.82ms. Allocated memory is still 345.0MB. Free memory was 264.6MB in the beginning and 297.2MB in the end (delta: -32.5MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-16 11:40:05,353 INFO L158 Benchmark]: TraceAbstraction took 72348.94ms. Allocated memory is still 345.0MB. Free memory was 296.6MB in the beginning and 186.9MB in the end (delta: 109.8MB). Peak memory consumption was 110.8MB. Max. memory is 8.0GB. [2023-12-16 11:40:05,354 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 202.4MB. Free memory is still 150.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 298.39ms. Allocated memory is still 345.0MB. Free memory was 289.3MB in the beginning and 272.0MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.83ms. Allocated memory is still 345.0MB. Free memory was 272.0MB in the beginning and 268.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 56.15ms. Allocated memory is still 345.0MB. Free memory was 268.8MB in the beginning and 264.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 2945.82ms. Allocated memory is still 345.0MB. Free memory was 264.6MB in the beginning and 297.2MB in the end (delta: -32.5MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * TraceAbstraction took 72348.94ms. Allocated memory is still 345.0MB. Free memory was 296.6MB in the beginning and 186.9MB in the end (delta: 109.8MB). Peak memory consumption was 110.8MB. 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 341 with TraceHistMax 58,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-20-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 124 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 72.3s, OverallIterations: 4, TraceHistogramMax: 58, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 248 SdHoareTripleChecker+Valid, 11.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 237 mSDsluCounter, 1496 SdHoareTripleChecker+Invalid, 11.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 884 mSDsCounter, 308 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 941 IncrementalHoareTripleChecker+Invalid, 1249 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 308 mSolverCounterUnsat, 612 mSDtfsCounter, 941 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1421 GetRequests, 1381 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=360occurred in iteration=3, InterpolantAutomatonStates: 37, 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, 3 MinimizatonAttempts, 44 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 1360 NumberOfCodeBlocks, 1360 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 1356 ConstructedInterpolants, 0 QuantifiedInterpolants, 5979 SizeOfPredicates, 14 NumberOfNonLiveVariables, 2098 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 25920/26448 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