/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-500_file-37.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 11:23:11,140 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 11:23:11,193 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 11:23:11,196 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 11:23:11,197 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 11:23:11,222 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 11:23:11,223 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 11:23:11,224 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 11:23:11,224 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 11:23:11,227 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 11:23:11,227 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 11:23:11,227 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 11:23:11,228 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 11:23:11,229 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 11:23:11,229 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 11:23:11,229 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 11:23:11,229 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 11:23:11,230 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 11:23:11,230 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 11:23:11,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 11:23:11,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 11:23:11,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 11:23:11,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 11:23:11,231 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 11:23:11,231 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 11:23:11,231 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 11:23:11,231 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 11:23:11,231 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 11:23:11,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 11:23:11,232 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 11:23:11,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 11:23:11,232 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 11:23:11,233 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 11:23:11,233 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 11:23:11,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 11:23:11,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 11:23:11,233 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 11:23:11,233 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 11:23:11,233 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 11:23:11,234 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 11:23:11,234 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 11:23:11,234 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 11:23:11,234 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 11:23:11,234 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 11:23:11,234 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 11:23:11,235 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 11:23:11,235 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 11:23:11,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 11:23:11,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 11:23:11,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 11:23:11,459 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 11:23:11,461 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 11:23:11,462 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-37.i [2023-12-16 11:23:12,603 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 11:23:12,824 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 11:23:12,824 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-37.i [2023-12-16 11:23:12,837 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f725721ee/d156f01399f54d31b8875e1fe457e037/FLAG492fed84d [2023-12-16 11:23:12,847 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f725721ee/d156f01399f54d31b8875e1fe457e037 [2023-12-16 11:23:12,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 11:23:12,850 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 11:23:12,851 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 11:23:12,851 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 11:23:12,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 11:23:12,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 11:23:12" (1/1) ... [2023-12-16 11:23:12,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@128f1384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:23:12, skipping insertion in model container [2023-12-16 11:23:12,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 11:23:12" (1/1) ... [2023-12-16 11:23:12,893 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 11:23:12,990 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-500_file-37.i[916,929] [2023-12-16 11:23:13,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 11:23:13,137 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 11:23:13,147 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-500_file-37.i[916,929] [2023-12-16 11:23:13,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 11:23:13,295 INFO L206 MainTranslator]: Completed translation [2023-12-16 11:23:13,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:23:13 WrapperNode [2023-12-16 11:23:13,296 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 11:23:13,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 11:23:13,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 11:23:13,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 11:23:13,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:23:13" (1/1) ... [2023-12-16 11:23:13,334 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:23:13" (1/1) ... [2023-12-16 11:23:13,389 INFO L138 Inliner]: procedures = 27, calls = 138, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 748 [2023-12-16 11:23:13,390 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 11:23:13,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 11:23:13,390 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 11:23:13,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 11:23:13,399 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:23:13" (1/1) ... [2023-12-16 11:23:13,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:23:13" (1/1) ... [2023-12-16 11:23:13,405 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:23:13" (1/1) ... [2023-12-16 11:23:13,425 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 11:23:13,426 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:23:13" (1/1) ... [2023-12-16 11:23:13,426 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:23:13" (1/1) ... [2023-12-16 11:23:13,447 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:23:13" (1/1) ... [2023-12-16 11:23:13,452 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:23:13" (1/1) ... [2023-12-16 11:23:13,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:23:13" (1/1) ... [2023-12-16 11:23:13,462 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:23:13" (1/1) ... [2023-12-16 11:23:13,468 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 11:23:13,469 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 11:23:13,469 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 11:23:13,469 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 11:23:13,470 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:23:13" (1/1) ... [2023-12-16 11:23:13,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 11:23:13,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 11:23:13,525 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 11:23:13,556 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 11:23:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 11:23:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 11:23:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 11:23:13,561 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 11:23:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 11:23:13,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 11:23:13,721 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 11:23:13,723 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 11:23:43,031 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 11:23:43,077 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 11:23:43,077 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 11:23:43,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:23:43 BoogieIcfgContainer [2023-12-16 11:23:43,077 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 11:23:43,079 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 11:23:43,079 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 11:23:43,081 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 11:23:43,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 11:23:12" (1/3) ... [2023-12-16 11:23:43,082 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75035f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:23:43, skipping insertion in model container [2023-12-16 11:23:43,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:23:13" (2/3) ... [2023-12-16 11:23:43,082 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75035f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:23:43, skipping insertion in model container [2023-12-16 11:23:43,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:23:43" (3/3) ... [2023-12-16 11:23:43,084 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-500_file-37.i [2023-12-16 11:23:43,096 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 11:23:43,097 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 11:23:43,135 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 11:23:43,140 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;@24aa5a22, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 11:23:43,140 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 11:23:43,145 INFO L276 IsEmpty]: Start isEmpty. Operand has 321 states, 193 states have (on average 1.5647668393782384) internal successors, (302), 194 states have internal predecessors, (302), 125 states have call successors, (125), 1 states have call predecessors, (125), 1 states have return successors, (125), 125 states have call predecessors, (125), 125 states have call successors, (125) [2023-12-16 11:23:43,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 779 [2023-12-16 11:23:43,174 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:23:43,174 INFO L195 NwaCegarLoop]: trace histogram [125, 125, 125, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:23:43,175 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:23:43,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:23:43,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1966121135, now seen corresponding path program 1 times [2023-12-16 11:23:43,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:23:43,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1123327967] [2023-12-16 11:23:43,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:23:43,196 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 11:23:43,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:23:43,197 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 11:23:43,201 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 11:23:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:23:45,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 1249 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 11:23:45,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:23:45,317 INFO L134 CoverageAnalysis]: Checked inductivity of 31000 backedges. 10724 proven. 0 refuted. 0 times theorem prover too weak. 20276 trivial. 0 not checked. [2023-12-16 11:23:45,317 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 11:23:45,318 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:23:45,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1123327967] [2023-12-16 11:23:45,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1123327967] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 11:23:45,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 11:23:45,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 11:23:45,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922141404] [2023-12-16 11:23:45,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 11:23:45,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 11:23:45,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:23:45,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 11:23:45,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 11:23:45,360 INFO L87 Difference]: Start difference. First operand has 321 states, 193 states have (on average 1.5647668393782384) internal successors, (302), 194 states have internal predecessors, (302), 125 states have call successors, (125), 1 states have call predecessors, (125), 1 states have return successors, (125), 125 states have call predecessors, (125), 125 states have call successors, (125) Second operand has 2 states, 2 states have (on average 80.0) internal successors, (160), 2 states have internal predecessors, (160), 2 states have call successors, (125), 2 states have call predecessors, (125), 2 states have return successors, (125), 2 states have call predecessors, (125), 2 states have call successors, (125) [2023-12-16 11:23:49,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:23:49,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:23:49,649 INFO L93 Difference]: Finished difference Result 636 states and 1221 transitions. [2023-12-16 11:23:49,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 11:23:49,715 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 80.0) internal successors, (160), 2 states have internal predecessors, (160), 2 states have call successors, (125), 2 states have call predecessors, (125), 2 states have return successors, (125), 2 states have call predecessors, (125), 2 states have call successors, (125) Word has length 778 [2023-12-16 11:23:49,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:23:49,723 INFO L225 Difference]: With dead ends: 636 [2023-12-16 11:23:49,723 INFO L226 Difference]: Without dead ends: 316 [2023-12-16 11:23:49,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 777 GetRequests, 777 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 11:23:49,752 INFO L413 NwaCegarLoop]: 534 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-16 11:23:49,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 534 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2023-12-16 11:23:49,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2023-12-16 11:23:49,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2023-12-16 11:23:49,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 189 states have (on average 1.5185185185185186) internal successors, (287), 189 states have internal predecessors, (287), 125 states have call successors, (125), 1 states have call predecessors, (125), 1 states have return successors, (125), 125 states have call predecessors, (125), 125 states have call successors, (125) [2023-12-16 11:23:49,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 537 transitions. [2023-12-16 11:23:49,906 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 537 transitions. Word has length 778 [2023-12-16 11:23:49,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:23:49,907 INFO L495 AbstractCegarLoop]: Abstraction has 316 states and 537 transitions. [2023-12-16 11:23:49,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 80.0) internal successors, (160), 2 states have internal predecessors, (160), 2 states have call successors, (125), 2 states have call predecessors, (125), 2 states have return successors, (125), 2 states have call predecessors, (125), 2 states have call successors, (125) [2023-12-16 11:23:49,908 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 537 transitions. [2023-12-16 11:23:49,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 779 [2023-12-16 11:23:49,923 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:23:49,923 INFO L195 NwaCegarLoop]: trace histogram [125, 125, 125, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:23:49,994 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 11:23:50,136 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 11:23:50,137 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:23:50,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:23:50,138 INFO L85 PathProgramCache]: Analyzing trace with hash 916545731, now seen corresponding path program 1 times [2023-12-16 11:23:50,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:23:50,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1688879150] [2023-12-16 11:23:50,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:23:50,140 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 11:23:50,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:23:50,142 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 11:23:50,143 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 11:23:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:23:52,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 1251 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 11:23:52,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:23:52,199 INFO L134 CoverageAnalysis]: Checked inductivity of 31000 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31000 trivial. 0 not checked. [2023-12-16 11:23:52,199 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 11:23:52,199 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:23:52,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1688879150] [2023-12-16 11:23:52,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1688879150] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 11:23:52,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 11:23:52,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 11:23:52,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099918983] [2023-12-16 11:23:52,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 11:23:52,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 11:23:52,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:23:52,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 11:23:52,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 11:23:52,207 INFO L87 Difference]: Start difference. First operand 316 states and 537 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 1 states have call successors, (125), 1 states have call predecessors, (125), 1 states have return successors, (125), 1 states have call predecessors, (125), 1 states have call successors, (125) [2023-12-16 11:23:53,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:23:58,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:24:02,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:24:06,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:24:07,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:24:07,073 INFO L93 Difference]: Finished difference Result 781 states and 1333 transitions. [2023-12-16 11:24:07,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 11:24:07,073 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 1 states have call successors, (125), 1 states have call predecessors, (125), 1 states have return successors, (125), 1 states have call predecessors, (125), 1 states have call successors, (125) Word has length 778 [2023-12-16 11:24:07,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:24:07,080 INFO L225 Difference]: With dead ends: 781 [2023-12-16 11:24:07,080 INFO L226 Difference]: Without dead ends: 466 [2023-12-16 11:24:07,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 777 GetRequests, 776 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 11:24:07,082 INFO L413 NwaCegarLoop]: 583 mSDtfsCounter, 260 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 1081 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2023-12-16 11:24:07,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 1081 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 3 Unknown, 0 Unchecked, 14.8s Time] [2023-12-16 11:24:07,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2023-12-16 11:24:07,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 463. [2023-12-16 11:24:07,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 309 states have (on average 1.5922330097087378) internal successors, (492), 310 states have internal predecessors, (492), 151 states have call successors, (151), 2 states have call predecessors, (151), 2 states have return successors, (151), 150 states have call predecessors, (151), 151 states have call successors, (151) [2023-12-16 11:24:07,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 794 transitions. [2023-12-16 11:24:07,118 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 794 transitions. Word has length 778 [2023-12-16 11:24:07,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:24:07,119 INFO L495 AbstractCegarLoop]: Abstraction has 463 states and 794 transitions. [2023-12-16 11:24:07,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 1 states have call successors, (125), 1 states have call predecessors, (125), 1 states have return successors, (125), 1 states have call predecessors, (125), 1 states have call successors, (125) [2023-12-16 11:24:07,120 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 794 transitions. [2023-12-16 11:24:07,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 779 [2023-12-16 11:24:07,126 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:24:07,126 INFO L195 NwaCegarLoop]: trace histogram [125, 125, 125, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:24:07,179 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 (3)] Ended with exit code 0 [2023-12-16 11:24:07,348 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 11:24:07,349 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:24:07,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:24:07,349 INFO L85 PathProgramCache]: Analyzing trace with hash 943611333, now seen corresponding path program 1 times [2023-12-16 11:24:07,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:24:07,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1600897495] [2023-12-16 11:24:07,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:24:07,351 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 11:24:07,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:24:07,374 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 11:24:07,375 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 11:24:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:24:09,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 1251 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 11:24:09,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:24:13,018 INFO L134 CoverageAnalysis]: Checked inductivity of 31000 backedges. 13818 proven. 249 refuted. 0 times theorem prover too weak. 16933 trivial. 0 not checked. [2023-12-16 11:24:13,018 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 11:24:14,856 INFO L134 CoverageAnalysis]: Checked inductivity of 31000 backedges. 123 proven. 249 refuted. 0 times theorem prover too weak. 30628 trivial. 0 not checked. [2023-12-16 11:24:14,857 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:24:14,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1600897495] [2023-12-16 11:24:14,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1600897495] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 11:24:14,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 11:24:14,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-16 11:24:14,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277852966] [2023-12-16 11:24:14,857 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 11:24:14,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 11:24:14,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:24:14,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 11:24:14,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 11:24:14,861 INFO L87 Difference]: Start difference. First operand 463 states and 794 transitions. Second operand has 7 states, 7 states have (on average 23.571428571428573) internal successors, (165), 7 states have internal predecessors, (165), 2 states have call successors, (208), 2 states have call predecessors, (208), 4 states have return successors, (209), 2 states have call predecessors, (209), 2 states have call successors, (209) [2023-12-16 11:24:22,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:24:26,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:24:30,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:24:30,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:24:30,524 INFO L93 Difference]: Finished difference Result 933 states and 1592 transitions. [2023-12-16 11:24:30,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 11:24:30,597 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.571428571428573) internal successors, (165), 7 states have internal predecessors, (165), 2 states have call successors, (208), 2 states have call predecessors, (208), 4 states have return successors, (209), 2 states have call predecessors, (209), 2 states have call successors, (209) Word has length 778 [2023-12-16 11:24:30,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:24:30,603 INFO L225 Difference]: With dead ends: 933 [2023-12-16 11:24:30,603 INFO L226 Difference]: Without dead ends: 471 [2023-12-16 11:24:30,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1558 GetRequests, 1548 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-16 11:24:30,605 INFO L413 NwaCegarLoop]: 396 mSDtfsCounter, 237 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 50 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2023-12-16 11:24:30,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 935 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 619 Invalid, 3 Unknown, 0 Unchecked, 15.4s Time] [2023-12-16 11:24:30,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2023-12-16 11:24:30,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 465. [2023-12-16 11:24:30,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 310 states have (on average 1.564516129032258) internal successors, (485), 311 states have internal predecessors, (485), 151 states have call successors, (151), 3 states have call predecessors, (151), 3 states have return successors, (151), 150 states have call predecessors, (151), 151 states have call successors, (151) [2023-12-16 11:24:30,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 787 transitions. [2023-12-16 11:24:30,640 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 787 transitions. Word has length 778 [2023-12-16 11:24:30,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:24:30,641 INFO L495 AbstractCegarLoop]: Abstraction has 465 states and 787 transitions. [2023-12-16 11:24:30,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.571428571428573) internal successors, (165), 7 states have internal predecessors, (165), 2 states have call successors, (208), 2 states have call predecessors, (208), 4 states have return successors, (209), 2 states have call predecessors, (209), 2 states have call successors, (209) [2023-12-16 11:24:30,642 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 787 transitions. [2023-12-16 11:24:30,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 779 [2023-12-16 11:24:30,655 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:24:30,655 INFO L195 NwaCegarLoop]: trace histogram [125, 125, 125, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:24:30,712 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 Received shutdown request... [2023-12-16 11:24:30,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 11:24:30,857 WARN L619 AbstractCegarLoop]: Verification canceled: while executing NwaCegarLoop. [2023-12-16 11:24:30,859 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 11:24:30,859 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 11:24:30,861 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-16 11:24:30,863 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 11:24:30,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 11:24:30 BoogieIcfgContainer [2023-12-16 11:24:30,869 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 11:24:30,870 INFO L158 Benchmark]: Toolchain (without parser) took 78019.73ms. Allocated memory is still 234.9MB. Free memory was 179.2MB in the beginning and 83.7MB in the end (delta: 95.6MB). Peak memory consumption was 96.1MB. Max. memory is 8.0GB. [2023-12-16 11:24:30,870 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 189.8MB. Free memory is still 134.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 11:24:30,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.22ms. Allocated memory is still 234.9MB. Free memory was 178.7MB in the beginning and 145.6MB in the end (delta: 33.1MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2023-12-16 11:24:30,870 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.06ms. Allocated memory is still 234.9MB. Free memory was 145.6MB in the beginning and 139.4MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-16 11:24:30,871 INFO L158 Benchmark]: Boogie Preprocessor took 78.51ms. Allocated memory is still 234.9MB. Free memory was 139.4MB in the beginning and 129.4MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-12-16 11:24:30,871 INFO L158 Benchmark]: RCFGBuilder took 29607.98ms. Allocated memory is still 234.9MB. Free memory was 129.4MB in the beginning and 127.7MB in the end (delta: 1.7MB). Peak memory consumption was 20.6MB. Max. memory is 8.0GB. [2023-12-16 11:24:30,871 INFO L158 Benchmark]: TraceAbstraction took 47790.62ms. Allocated memory is still 234.9MB. Free memory was 127.2MB in the beginning and 83.7MB in the end (delta: 43.5MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. [2023-12-16 11:24:30,872 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 189.8MB. Free memory is still 134.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 445.22ms. Allocated memory is still 234.9MB. Free memory was 178.7MB in the beginning and 145.6MB in the end (delta: 33.1MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 93.06ms. Allocated memory is still 234.9MB. Free memory was 145.6MB in the beginning and 139.4MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 78.51ms. Allocated memory is still 234.9MB. Free memory was 139.4MB in the beginning and 129.4MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * RCFGBuilder took 29607.98ms. Allocated memory is still 234.9MB. Free memory was 129.4MB in the beginning and 127.7MB in the end (delta: 1.7MB). Peak memory consumption was 20.6MB. Max. memory is 8.0GB. * TraceAbstraction took 47790.62ms. Allocated memory is still 234.9MB. Free memory was 127.2MB in the beginning and 83.7MB in the end (delta: 43.5MB). Peak memory consumption was 43.0MB. 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 executing NwaCegarLoop. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 321 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 47.7s, OverallIterations: 3, TraceHistogramMax: 125, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 35.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 mSolverCounterUnknown, 537 SdHoareTripleChecker+Valid, 34.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 497 mSDsluCounter, 2550 SdHoareTripleChecker+Invalid, 33.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1037 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 680 IncrementalHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 1513 mSDtfsCounter, 680 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3112 GetRequests, 3101 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=465occurred in iteration=3, 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: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 5.0s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 2334 NumberOfCodeBlocks, 2334 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 3108 ConstructedInterpolants, 0 QuantifiedInterpolants, 5170 SizeOfPredicates, 4 NumberOfNonLiveVariables, 3751 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 123502/124000 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