./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d9e59086f90a4b77881e2a736ae7adfe917141d6ec019c4e22eac9e57a2e90b4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 19:21:22,428 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 19:21:22,492 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 19:21:22,499 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 19:21:22,500 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 19:21:22,525 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 19:21:22,526 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 19:21:22,527 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 19:21:22,527 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 19:21:22,528 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 19:21:22,528 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 19:21:22,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 19:21:22,529 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 19:21:22,529 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 19:21:22,530 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 19:21:22,530 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 19:21:22,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 19:21:22,536 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 19:21:22,537 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 19:21:22,537 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 19:21:22,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 19:21:22,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 19:21:22,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 19:21:22,543 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 19:21:22,543 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 19:21:22,543 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 19:21:22,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 19:21:22,544 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 19:21:22,544 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 19:21:22,544 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 19:21:22,544 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 19:21:22,545 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 19:21:22,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 19:21:22,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 19:21:22,547 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 19:21:22,547 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 19:21:22,547 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 19:21:22,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 19:21:22,548 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 19:21:22,548 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 19:21:22,549 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 19:21:22,549 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 19:21:22,549 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9e59086f90a4b77881e2a736ae7adfe917141d6ec019c4e22eac9e57a2e90b4 [2024-11-18 19:21:22,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 19:21:22,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 19:21:22,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 19:21:22,849 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 19:21:22,850 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 19:21:22,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i [2024-11-18 19:21:24,320 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 19:21:24,548 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 19:21:24,549 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i [2024-11-18 19:21:24,562 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbdbf4b72/f84ed1dc45dc49eb987ee2dd797cee58/FLAGedeedc5f4 [2024-11-18 19:21:24,905 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbdbf4b72/f84ed1dc45dc49eb987ee2dd797cee58 [2024-11-18 19:21:24,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 19:21:24,910 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 19:21:24,911 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 19:21:24,911 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 19:21:24,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 19:21:24,917 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:21:24" (1/1) ... [2024-11-18 19:21:24,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bcc7ad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:24, skipping insertion in model container [2024-11-18 19:21:24,920 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:21:24" (1/1) ... [2024-11-18 19:21:24,950 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 19:21:25,118 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i[915,928] [2024-11-18 19:21:25,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 19:21:25,196 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 19:21:25,207 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i[915,928] [2024-11-18 19:21:25,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 19:21:25,263 INFO L204 MainTranslator]: Completed translation [2024-11-18 19:21:25,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:25 WrapperNode [2024-11-18 19:21:25,263 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 19:21:25,265 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 19:21:25,266 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 19:21:25,266 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 19:21:25,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:25" (1/1) ... [2024-11-18 19:21:25,291 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:25" (1/1) ... [2024-11-18 19:21:25,337 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 175 [2024-11-18 19:21:25,338 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 19:21:25,339 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 19:21:25,339 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 19:21:25,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 19:21:25,348 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:25" (1/1) ... [2024-11-18 19:21:25,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:25" (1/1) ... [2024-11-18 19:21:25,368 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:25" (1/1) ... [2024-11-18 19:21:25,396 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-18 19:21:25,396 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:25" (1/1) ... [2024-11-18 19:21:25,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:25" (1/1) ... [2024-11-18 19:21:25,410 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:25" (1/1) ... [2024-11-18 19:21:25,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:25" (1/1) ... [2024-11-18 19:21:25,424 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:25" (1/1) ... [2024-11-18 19:21:25,426 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:25" (1/1) ... [2024-11-18 19:21:25,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 19:21:25,437 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 19:21:25,438 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 19:21:25,438 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 19:21:25,439 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:25" (1/1) ... [2024-11-18 19:21:25,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 19:21:25,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 19:21:25,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 19:21:25,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 19:21:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 19:21:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 19:21:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 19:21:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 19:21:25,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 19:21:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 19:21:25,603 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 19:21:25,605 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 19:21:26,016 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-18 19:21:26,017 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 19:21:26,034 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 19:21:26,034 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 19:21:26,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:21:26 BoogieIcfgContainer [2024-11-18 19:21:26,035 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 19:21:26,038 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 19:21:26,038 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 19:21:26,041 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 19:21:26,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:21:24" (1/3) ... [2024-11-18 19:21:26,044 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@92dbcc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:21:26, skipping insertion in model container [2024-11-18 19:21:26,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:25" (2/3) ... [2024-11-18 19:21:26,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@92dbcc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:21:26, skipping insertion in model container [2024-11-18 19:21:26,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:21:26" (3/3) ... [2024-11-18 19:21:26,047 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-42.i [2024-11-18 19:21:26,068 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 19:21:26,068 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 19:21:26,138 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 19:21:26,145 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2d01d960, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 19:21:26,145 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 19:21:26,149 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 50 states have internal predecessors, (69), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-18 19:21:26,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-18 19:21:26,162 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:21:26,163 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:21:26,164 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:21:26,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:21:26,170 INFO L85 PathProgramCache]: Analyzing trace with hash -2118675815, now seen corresponding path program 1 times [2024-11-18 19:21:26,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:21:26,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19252072] [2024-11-18 19:21:26,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:21:26,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:21:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:21:26,555 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-18 19:21:26,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:21:26,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19252072] [2024-11-18 19:21:26,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19252072] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 19:21:26,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200149465] [2024-11-18 19:21:26,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:21:26,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 19:21:26,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 19:21:26,562 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 19:21:26,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 19:21:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:21:26,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 19:21:26,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 19:21:26,785 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-18 19:21:26,789 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 19:21:26,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200149465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:21:26,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 19:21:26,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-18 19:21:26,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442891790] [2024-11-18 19:21:26,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:21:26,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 19:21:26,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:21:26,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 19:21:26,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 19:21:26,831 INFO L87 Difference]: Start difference. First operand has 71 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 50 states have internal predecessors, (69), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-18 19:21:26,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:21:26,866 INFO L93 Difference]: Finished difference Result 135 states and 227 transitions. [2024-11-18 19:21:26,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 19:21:26,870 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 130 [2024-11-18 19:21:26,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:21:26,875 INFO L225 Difference]: With dead ends: 135 [2024-11-18 19:21:26,876 INFO L226 Difference]: Without dead ends: 67 [2024-11-18 19:21:26,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 19:21:26,882 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 19:21:26,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 19:21:26,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-18 19:21:26,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-18 19:21:26,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 46 states have internal predecessors, (62), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-18 19:21:26,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 100 transitions. [2024-11-18 19:21:26,927 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 100 transitions. Word has length 130 [2024-11-18 19:21:26,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:21:26,927 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 100 transitions. [2024-11-18 19:21:26,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-18 19:21:26,928 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2024-11-18 19:21:26,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-18 19:21:26,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:21:26,931 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:21:26,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-18 19:21:27,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-18 19:21:27,136 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:21:27,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:21:27,137 INFO L85 PathProgramCache]: Analyzing trace with hash 271940955, now seen corresponding path program 1 times [2024-11-18 19:21:27,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:21:27,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770408089] [2024-11-18 19:21:27,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:21:27,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:21:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:21:27,786 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-18 19:21:27,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:21:27,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770408089] [2024-11-18 19:21:27,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770408089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:21:27,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 19:21:27,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 19:21:27,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831246194] [2024-11-18 19:21:27,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:21:27,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 19:21:27,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:21:27,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 19:21:27,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 19:21:27,792 INFO L87 Difference]: Start difference. First operand 67 states and 100 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-18 19:21:27,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:21:27,970 INFO L93 Difference]: Finished difference Result 196 states and 295 transitions. [2024-11-18 19:21:27,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 19:21:27,971 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 130 [2024-11-18 19:21:27,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:21:27,973 INFO L225 Difference]: With dead ends: 196 [2024-11-18 19:21:27,974 INFO L226 Difference]: Without dead ends: 132 [2024-11-18 19:21:27,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-18 19:21:27,979 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 92 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 19:21:27,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 282 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 19:21:27,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-18 19:21:28,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 111. [2024-11-18 19:21:28,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 70 states have (on average 1.2857142857142858) internal successors, (90), 70 states have internal predecessors, (90), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-18 19:21:28,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 166 transitions. [2024-11-18 19:21:28,012 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 166 transitions. Word has length 130 [2024-11-18 19:21:28,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:21:28,012 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 166 transitions. [2024-11-18 19:21:28,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-18 19:21:28,013 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 166 transitions. [2024-11-18 19:21:28,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-18 19:21:28,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:21:28,015 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:21:28,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 19:21:28,017 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:21:28,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:21:28,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1665866199, now seen corresponding path program 1 times [2024-11-18 19:21:28,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:21:28,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901878893] [2024-11-18 19:21:28,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:21:28,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:21:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:21:28,258 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-18 19:21:28,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:21:28,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901878893] [2024-11-18 19:21:28,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901878893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:21:28,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 19:21:28,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 19:21:28,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413390966] [2024-11-18 19:21:28,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:21:28,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 19:21:28,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:21:28,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 19:21:28,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 19:21:28,263 INFO L87 Difference]: Start difference. First operand 111 states and 166 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-18 19:21:28,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:21:28,315 INFO L93 Difference]: Finished difference Result 175 states and 263 transitions. [2024-11-18 19:21:28,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 19:21:28,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 131 [2024-11-18 19:21:28,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:21:28,319 INFO L225 Difference]: With dead ends: 175 [2024-11-18 19:21:28,321 INFO L226 Difference]: Without dead ends: 111 [2024-11-18 19:21:28,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 19:21:28,323 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 0 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 19:21:28,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 184 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 19:21:28,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-18 19:21:28,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-18 19:21:28,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 70 states have (on average 1.2714285714285714) internal successors, (89), 70 states have internal predecessors, (89), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-18 19:21:28,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 165 transitions. [2024-11-18 19:21:28,361 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 165 transitions. Word has length 131 [2024-11-18 19:21:28,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:21:28,362 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 165 transitions. [2024-11-18 19:21:28,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-18 19:21:28,363 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 165 transitions. [2024-11-18 19:21:28,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-18 19:21:28,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:21:28,367 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:21:28,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 19:21:28,367 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:21:28,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:21:28,367 INFO L85 PathProgramCache]: Analyzing trace with hash -985807829, now seen corresponding path program 1 times [2024-11-18 19:21:28,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:21:28,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356472916] [2024-11-18 19:21:28,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:21:28,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:21:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:21:29,072 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 51 proven. 51 refuted. 0 times theorem prover too weak. 582 trivial. 0 not checked. [2024-11-18 19:21:29,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:21:29,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356472916] [2024-11-18 19:21:29,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356472916] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 19:21:29,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870949681] [2024-11-18 19:21:29,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:21:29,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 19:21:29,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 19:21:29,076 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 19:21:29,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-18 19:21:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:21:29,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-18 19:21:29,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 19:21:29,767 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 443 proven. 51 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-18 19:21:29,768 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 19:21:30,212 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 51 proven. 54 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2024-11-18 19:21:30,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870949681] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 19:21:30,213 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 19:21:30,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 15 [2024-11-18 19:21:30,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655774995] [2024-11-18 19:21:30,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 19:21:30,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-18 19:21:30,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:21:30,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-18 19:21:30,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2024-11-18 19:21:30,216 INFO L87 Difference]: Start difference. First operand 111 states and 165 transitions. Second operand has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 15 states have internal predecessors, (73), 3 states have call successors, (30), 3 states have call predecessors, (30), 7 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-18 19:21:31,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:21:31,187 INFO L93 Difference]: Finished difference Result 358 states and 499 transitions. [2024-11-18 19:21:31,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-18 19:21:31,188 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 15 states have internal predecessors, (73), 3 states have call successors, (30), 3 states have call predecessors, (30), 7 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 131 [2024-11-18 19:21:31,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:21:31,192 INFO L225 Difference]: With dead ends: 358 [2024-11-18 19:21:31,192 INFO L226 Difference]: Without dead ends: 294 [2024-11-18 19:21:31,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 258 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 557 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=578, Invalid=1584, Unknown=0, NotChecked=0, Total=2162 [2024-11-18 19:21:31,194 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 275 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-18 19:21:31,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 509 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-18 19:21:31,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-18 19:21:31,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 196. [2024-11-18 19:21:31,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 129 states have (on average 1.248062015503876) internal successors, (161), 129 states have internal predecessors, (161), 57 states have call successors, (57), 9 states have call predecessors, (57), 9 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-18 19:21:31,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 275 transitions. [2024-11-18 19:21:31,245 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 275 transitions. Word has length 131 [2024-11-18 19:21:31,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:21:31,248 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 275 transitions. [2024-11-18 19:21:31,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 15 states have internal predecessors, (73), 3 states have call successors, (30), 3 states have call predecessors, (30), 7 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-18 19:21:31,249 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 275 transitions. [2024-11-18 19:21:31,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-18 19:21:31,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:21:31,250 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:21:31,268 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-18 19:21:31,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-18 19:21:31,451 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:21:31,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:21:31,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1996925079, now seen corresponding path program 1 times [2024-11-18 19:21:31,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:21:31,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674978235] [2024-11-18 19:21:31,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:21:31,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:21:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-18 19:21:31,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [896213318] [2024-11-18 19:21:31,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:21:31,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 19:21:31,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 19:21:31,536 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 19:21:31,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-18 19:21:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:21:31,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-18 19:21:31,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 19:21:32,278 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 150 proven. 48 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-11-18 19:21:32,279 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 19:21:32,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:21:32,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674978235] [2024-11-18 19:21:32,763 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-18 19:21:32,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [896213318] [2024-11-18 19:21:32,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [896213318] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 19:21:32,763 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-18 19:21:32,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-18 19:21:32,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312251497] [2024-11-18 19:21:32,763 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-18 19:21:32,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 19:21:32,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:21:32,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 19:21:32,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=113, Unknown=3, NotChecked=0, Total=156 [2024-11-18 19:21:32,765 INFO L87 Difference]: Start difference. First operand 196 states and 275 transitions. Second operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-18 19:21:33,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:21:33,409 INFO L93 Difference]: Finished difference Result 611 states and 832 transitions. [2024-11-18 19:21:33,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-18 19:21:33,410 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 131 [2024-11-18 19:21:33,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:21:33,417 INFO L225 Difference]: With dead ends: 611 [2024-11-18 19:21:33,417 INFO L226 Difference]: Without dead ends: 470 [2024-11-18 19:21:33,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=163, Invalid=386, Unknown=3, NotChecked=0, Total=552 [2024-11-18 19:21:33,420 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 146 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 54 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-18 19:21:33,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 645 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 357 Invalid, 6 Unknown, 0 Unchecked, 0.4s Time] [2024-11-18 19:21:33,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-11-18 19:21:33,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 392. [2024-11-18 19:21:33,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 272 states have (on average 1.2573529411764706) internal successors, (342), 274 states have internal predecessors, (342), 99 states have call successors, (99), 20 states have call predecessors, (99), 20 states have return successors, (99), 97 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-18 19:21:33,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 540 transitions. [2024-11-18 19:21:33,473 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 540 transitions. Word has length 131 [2024-11-18 19:21:33,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:21:33,473 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 540 transitions. [2024-11-18 19:21:33,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-18 19:21:33,474 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 540 transitions. [2024-11-18 19:21:33,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-18 19:21:33,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:21:33,475 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:21:33,494 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-18 19:21:33,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 19:21:33,677 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:21:33,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:21:33,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1711236203, now seen corresponding path program 1 times [2024-11-18 19:21:33,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:21:33,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360260936] [2024-11-18 19:21:33,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:21:33,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:21:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-18 19:21:33,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [190670362] [2024-11-18 19:21:33,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:21:33,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 19:21:33,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 19:21:33,752 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 19:21:33,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-18 19:21:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:21:33,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-18 19:21:33,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 19:21:35,076 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 150 proven. 48 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-11-18 19:21:35,076 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 19:21:35,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:21:35,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360260936] [2024-11-18 19:21:35,469 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-18 19:21:35,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190670362] [2024-11-18 19:21:35,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190670362] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 19:21:35,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-18 19:21:35,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-18 19:21:35,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108611351] [2024-11-18 19:21:35,470 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-18 19:21:35,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-18 19:21:35,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:21:35,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-18 19:21:35,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=158, Unknown=1, NotChecked=0, Total=210 [2024-11-18 19:21:35,472 INFO L87 Difference]: Start difference. First operand 392 states and 540 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-18 19:21:36,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:21:36,136 INFO L93 Difference]: Finished difference Result 783 states and 1079 transitions. [2024-11-18 19:21:36,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-18 19:21:36,137 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 131 [2024-11-18 19:21:36,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:21:36,142 INFO L225 Difference]: With dead ends: 783 [2024-11-18 19:21:36,142 INFO L226 Difference]: Without dead ends: 642 [2024-11-18 19:21:36,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=183, Invalid=466, Unknown=1, NotChecked=0, Total=650 [2024-11-18 19:21:36,144 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 116 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 49 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-18 19:21:36,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 717 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 483 Invalid, 6 Unknown, 0 Unchecked, 0.4s Time] [2024-11-18 19:21:36,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2024-11-18 19:21:36,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 539. [2024-11-18 19:21:36,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 373 states have (on average 1.257372654155496) internal successors, (469), 375 states have internal predecessors, (469), 137 states have call successors, (137), 28 states have call predecessors, (137), 28 states have return successors, (137), 135 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-18 19:21:36,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 743 transitions. [2024-11-18 19:21:36,197 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 743 transitions. Word has length 131 [2024-11-18 19:21:36,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:21:36,198 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 743 transitions. [2024-11-18 19:21:36,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-18 19:21:36,198 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 743 transitions. [2024-11-18 19:21:36,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-18 19:21:36,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:21:36,201 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:21:36,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-18 19:21:36,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 19:21:36,402 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:21:36,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:21:36,403 INFO L85 PathProgramCache]: Analyzing trace with hash 835544692, now seen corresponding path program 1 times [2024-11-18 19:21:36,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:21:36,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076458567] [2024-11-18 19:21:36,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:21:36,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:21:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-18 19:21:36,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1955159684] [2024-11-18 19:21:36,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:21:36,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 19:21:36,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 19:21:36,485 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 19:21:36,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-18 19:21:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 19:21:36,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 19:21:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 19:21:36,754 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 19:21:36,754 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 19:21:36,756 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 19:21:36,777 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-18 19:21:36,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 19:21:36,961 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:21:37,058 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 19:21:37,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 07:21:37 BoogieIcfgContainer [2024-11-18 19:21:37,061 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 19:21:37,062 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 19:21:37,062 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 19:21:37,062 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 19:21:37,063 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:21:26" (3/4) ... [2024-11-18 19:21:37,065 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-18 19:21:37,065 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 19:21:37,066 INFO L158 Benchmark]: Toolchain (without parser) took 12156.45ms. Allocated memory was 140.5MB in the beginning and 270.5MB in the end (delta: 130.0MB). Free memory was 85.7MB in the beginning and 186.8MB in the end (delta: -101.1MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2024-11-18 19:21:37,066 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 140.5MB. Free memory is still 100.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 19:21:37,066 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.84ms. Allocated memory is still 140.5MB. Free memory was 85.4MB in the beginning and 69.3MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-18 19:21:37,067 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.82ms. Allocated memory is still 140.5MB. Free memory was 69.3MB in the beginning and 65.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-18 19:21:37,067 INFO L158 Benchmark]: Boogie Preprocessor took 97.59ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 65.6MB in the beginning and 155.9MB in the end (delta: -90.2MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-11-18 19:21:37,067 INFO L158 Benchmark]: RCFGBuilder took 597.48ms. Allocated memory is still 186.6MB. Free memory was 155.9MB in the beginning and 131.8MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-18 19:21:37,067 INFO L158 Benchmark]: TraceAbstraction took 11023.46ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 131.8MB in the beginning and 186.8MB in the end (delta: -55.0MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-11-18 19:21:37,067 INFO L158 Benchmark]: Witness Printer took 3.59ms. Allocated memory is still 270.5MB. Free memory is still 186.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 19:21:37,069 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 140.5MB. Free memory is still 100.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.84ms. Allocated memory is still 140.5MB. Free memory was 85.4MB in the beginning and 69.3MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.82ms. Allocated memory is still 140.5MB. Free memory was 69.3MB in the beginning and 65.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.59ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 65.6MB in the beginning and 155.9MB in the end (delta: -90.2MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * RCFGBuilder took 597.48ms. Allocated memory is still 186.6MB. Free memory was 155.9MB in the beginning and 131.8MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 11023.46ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 131.8MB in the beginning and 186.8MB in the end (delta: -55.0MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * Witness Printer took 3.59ms. Allocated memory is still 270.5MB. Free memory is still 186.8MB. There was no memory consumed. Max. memory is 16.1GB. * 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 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 150, overapproximation of someUnaryDOUBLEoperation at line 30. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L23] signed char var_1_5 = -8; [L24] unsigned char var_1_6 = 10; [L25] unsigned char var_1_7 = 128; [L26] unsigned char var_1_8 = 1; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 0; [L29] signed short int var_1_13 = 200; [L30] float var_1_14 = -0.8; [L31] float var_1_15 = 127.25; [L32] float var_1_16 = 3.5; [L33] unsigned short int var_1_17 = 16; [L34] unsigned char var_1_19 = 1; [L35] unsigned char var_1_20 = 0; [L36] unsigned char var_1_21 = 0; [L37] unsigned char var_1_22 = 0; [L38] signed long int var_1_23 = -10; [L39] signed long int var_1_24 = 32; [L40] float var_1_25 = 1000000.8; [L41] float var_1_26 = 7.4; [L42] signed long int var_1_27 = 128; [L43] float var_1_28 = 9.75; [L44] signed long int var_1_29 = 10; [L45] signed short int last_1_var_1_1 = 16; [L46] unsigned char last_1_var_1_6 = 10; [L47] unsigned char last_1_var_1_8 = 1; [L48] signed short int last_1_var_1_13 = 200; VAL [isInitial=0, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1] [L154] isInitial = 1 [L155] FCALL initially() [L156] COND TRUE 1 [L157] CALL updateLastVariables() [L144] last_1_var_1_1 = var_1_1 [L145] last_1_var_1_6 = var_1_6 [L146] last_1_var_1_8 = var_1_8 [L147] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1] [L157] RET updateLastVariables() [L158] CALL updateVariables() [L112] var_1_5 = __VERIFIER_nondet_char() [L113] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=128, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=128, var_1_8=1] [L113] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=128, var_1_8=1] [L114] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=128, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=128, var_1_8=1] [L114] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=128, var_1_8=1] [L115] var_1_7 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_7 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L116] RET assume_abort_if_not(var_1_7 >= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L117] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L117] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L118] var_1_11 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L119] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L120] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L120] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L121] var_1_12 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L122] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L123] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L123] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L124] var_1_15 = __VERIFIER_nondet_float() [L125] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L125] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L126] var_1_16 = __VERIFIER_nondet_float() [L127] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L127] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L128] var_1_20 = __VERIFIER_nondet_uchar() [L129] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L129] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L130] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L130] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L131] var_1_22 = __VERIFIER_nondet_uchar() [L132] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L132] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L133] CALL assume_abort_if_not(var_1_22 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L133] RET assume_abort_if_not(var_1_22 <= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L134] var_1_24 = __VERIFIER_nondet_long() [L135] CALL assume_abort_if_not(var_1_24 >= -2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L135] RET assume_abort_if_not(var_1_24 >= -2147483647) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L136] CALL assume_abort_if_not(var_1_24 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L136] RET assume_abort_if_not(var_1_24 <= 2147483646) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L137] var_1_26 = __VERIFIER_nondet_float() [L138] CALL assume_abort_if_not((var_1_26 >= -922337.2036854765600e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L138] RET assume_abort_if_not((var_1_26 >= -922337.2036854765600e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L139] var_1_29 = __VERIFIER_nondet_long() [L140] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_27=128, var_1_28=39/4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_27=128, var_1_28=39/4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L140] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_27=128, var_1_28=39/4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L141] CALL assume_abort_if_not(var_1_29 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_27=128, var_1_28=39/4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_27=128, var_1_28=39/4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L141] RET assume_abort_if_not(var_1_29 <= 32) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_27=128, var_1_28=39/4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L158] RET updateVariables() [L159] CALL step() [L52] var_1_21 = var_1_22 [L53] var_1_23 = var_1_24 [L54] var_1_25 = var_1_26 [L55] var_1_27 = -32 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=39/4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L56] EXPR var_1_24 & 100 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=39/4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L56] EXPR var_1_23 >> ((((var_1_29) > (5)) ? (var_1_29) : (5))) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=39/4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L56] COND TRUE (var_1_24 & 100) <= (var_1_23 >> ((((var_1_29) > (5)) ? (var_1_29) : (5)))) [L57] var_1_28 = var_1_26 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L59] signed long int stepLocal_6 = last_1_var_1_1; [L60] unsigned char stepLocal_5 = ((((last_1_var_1_1) < (8)) ? (last_1_var_1_1) : (8))) <= var_1_5; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_5=1, stepLocal_6=16, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L61] COND TRUE stepLocal_5 || last_1_var_1_8 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_6=16, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L62] COND FALSE !(stepLocal_6 <= last_1_var_1_6) [L65] var_1_14 = var_1_16 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L70] COND FALSE !(var_1_14 <= var_1_15) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L73] COND TRUE var_1_5 >= -2 [L74] var_1_6 = (var_1_7 - 100) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=100, var_1_7=456, var_1_8=1] [L76] unsigned char stepLocal_4 = var_1_6; [L77] signed long int stepLocal_3 = var_1_6 / var_1_7; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_3=0, stepLocal_4=100, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=100, var_1_7=456, var_1_8=1] [L78] COND TRUE last_1_var_1_13 >= stepLocal_3 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_4=100, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=100, var_1_7=456, var_1_8=1] [L79] COND TRUE stepLocal_4 != ((((((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) > (var_1_5)) ? (((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) : (var_1_5))) [L80] var_1_13 = var_1_7 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=100, var_1_7=456, var_1_8=1] [L87] unsigned char stepLocal_7 = var_1_6; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_7=100, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=100, var_1_7=456, var_1_8=1] [L88] COND FALSE !(stepLocal_7 > var_1_6) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=100, var_1_7=456, var_1_8=1] [L91] unsigned char stepLocal_0 = var_1_6; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=100, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=100, var_1_7=456, var_1_8=1] [L92] COND TRUE \read(var_1_19) [L93] var_1_1 = ((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=100, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=100, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=100, var_1_7=456, var_1_8=1] [L99] unsigned char stepLocal_2 = var_1_19 && var_1_19; [L100] unsigned char stepLocal_1 = var_1_7; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=100, stepLocal_1=456, stepLocal_2=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=100, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=100, var_1_7=456, var_1_8=1] [L101] COND FALSE !((49.5f <= var_1_14) && stepLocal_2) [L108] var_1_8 = var_1_12 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=100, stepLocal_1=456, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=100, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=100, var_1_7=456, var_1_8=0] [L159] RET step() [L160] CALL, EXPR property() [L150-L151] return ((((((var_1_19 ? (var_1_1 == ((signed short int) ((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) : ((((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) >= var_1_6) ? (var_1_1 == ((signed short int) var_1_5)) : 1)) && ((var_1_5 >= -2) ? (var_1_6 == ((unsigned char) (var_1_7 - 100))) : 1)) && (((49.5f <= var_1_14) && (var_1_19 && var_1_19)) ? ((var_1_13 < var_1_7) ? (var_1_8 == ((unsigned char) (var_1_19 || var_1_11))) : (var_1_8 == ((unsigned char) var_1_11))) : (var_1_8 == ((unsigned char) var_1_12)))) && ((last_1_var_1_13 >= (var_1_6 / var_1_7)) ? ((var_1_6 != ((((((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) > (var_1_5)) ? (((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) : (var_1_5)))) ? (var_1_13 == ((signed short int) var_1_7)) : (var_1_13 == ((signed short int) last_1_var_1_13))) : (var_1_13 == ((signed short int) var_1_6)))) && (((((((last_1_var_1_1) < (8)) ? (last_1_var_1_1) : (8))) <= var_1_5) || last_1_var_1_8) ? ((last_1_var_1_1 <= last_1_var_1_6) ? (var_1_14 == ((float) (var_1_15 + var_1_16))) : (var_1_14 == ((float) var_1_16))) : (var_1_14 == ((float) var_1_16)))) && ((var_1_6 > var_1_6) ? (var_1_17 == ((unsigned short int) ((((25) > ((var_1_13 + var_1_6))) ? (25) : ((var_1_13 + var_1_6)))))) : 1)) && ((var_1_14 <= var_1_15) ? (var_1_19 == ((unsigned char) (var_1_12 || var_1_20))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=100, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=100, var_1_7=456, var_1_8=0] [L160] RET, EXPR property() [L160] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=100, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=100, var_1_7=456, var_1_8=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=100, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=100, var_1_7=456, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.8s, OverallIterations: 7, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 12 mSolverCounterUnknown, 650 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 629 mSDsluCounter, 2437 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1801 mSDsCounter, 269 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1298 IncrementalHoareTripleChecker+Invalid, 1579 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 269 mSolverCounterUnsat, 636 mSDtfsCounter, 1298 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 951 GetRequests, 854 SyntacticMatches, 2 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=539occurred in iteration=6, InterpolantAutomatonStates: 79, 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, 6 MinimizatonAttempts, 300 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 1571 NumberOfCodeBlocks, 1571 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1167 ConstructedInterpolants, 2 QuantifiedInterpolants, 5317 SizeOfPredicates, 16 NumberOfNonLiveVariables, 1350 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 5868/6156 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: unable to determine feasibility of some traces [2024-11-18 19:21:37,098 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d9e59086f90a4b77881e2a736ae7adfe917141d6ec019c4e22eac9e57a2e90b4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 19:21:39,364 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 19:21:39,432 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-18 19:21:39,441 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 19:21:39,441 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 19:21:39,473 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 19:21:39,476 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 19:21:39,476 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 19:21:39,477 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 19:21:39,477 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 19:21:39,478 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 19:21:39,478 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 19:21:39,479 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 19:21:39,479 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 19:21:39,479 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 19:21:39,480 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 19:21:39,480 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 19:21:39,480 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 19:21:39,481 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 19:21:39,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 19:21:39,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 19:21:39,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 19:21:39,486 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 19:21:39,487 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-18 19:21:39,487 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-18 19:21:39,487 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 19:21:39,487 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-18 19:21:39,487 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 19:21:39,488 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 19:21:39,488 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 19:21:39,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 19:21:39,488 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 19:21:39,489 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 19:21:39,489 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 19:21:39,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 19:21:39,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 19:21:39,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 19:21:39,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 19:21:39,492 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-18 19:21:39,492 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-18 19:21:39,492 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 19:21:39,493 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 19:21:39,494 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 19:21:39,494 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 19:21:39,494 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9e59086f90a4b77881e2a736ae7adfe917141d6ec019c4e22eac9e57a2e90b4 [2024-11-18 19:21:39,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 19:21:39,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 19:21:39,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 19:21:39,826 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 19:21:39,826 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 19:21:39,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i [2024-11-18 19:21:41,332 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 19:21:41,586 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 19:21:41,587 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i [2024-11-18 19:21:41,598 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4de5a1024/c19807267e34496e9dd9a56484b37b0f/FLAG538c0ded9 [2024-11-18 19:21:41,917 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4de5a1024/c19807267e34496e9dd9a56484b37b0f [2024-11-18 19:21:41,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 19:21:41,921 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 19:21:41,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 19:21:41,925 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 19:21:41,930 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 19:21:41,930 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:21:41" (1/1) ... [2024-11-18 19:21:41,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46208908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:41, skipping insertion in model container [2024-11-18 19:21:41,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:21:41" (1/1) ... [2024-11-18 19:21:41,966 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 19:21:42,167 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i[915,928] [2024-11-18 19:21:42,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 19:21:42,274 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 19:21:42,286 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i[915,928] [2024-11-18 19:21:42,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 19:21:42,356 INFO L204 MainTranslator]: Completed translation [2024-11-18 19:21:42,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:42 WrapperNode [2024-11-18 19:21:42,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 19:21:42,359 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 19:21:42,359 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 19:21:42,359 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 19:21:42,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:42" (1/1) ... [2024-11-18 19:21:42,384 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:42" (1/1) ... [2024-11-18 19:21:42,418 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2024-11-18 19:21:42,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 19:21:42,423 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 19:21:42,423 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 19:21:42,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 19:21:42,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:42" (1/1) ... [2024-11-18 19:21:42,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:42" (1/1) ... [2024-11-18 19:21:42,444 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:42" (1/1) ... [2024-11-18 19:21:42,468 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-18 19:21:42,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:42" (1/1) ... [2024-11-18 19:21:42,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:42" (1/1) ... [2024-11-18 19:21:42,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:42" (1/1) ... [2024-11-18 19:21:42,479 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:42" (1/1) ... [2024-11-18 19:21:42,481 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:42" (1/1) ... [2024-11-18 19:21:42,483 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:42" (1/1) ... [2024-11-18 19:21:42,485 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 19:21:42,486 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 19:21:42,486 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 19:21:42,486 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 19:21:42,487 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:42" (1/1) ... [2024-11-18 19:21:42,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 19:21:42,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 19:21:42,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 19:21:42,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 19:21:42,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 19:21:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-18 19:21:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 19:21:42,580 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 19:21:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 19:21:42,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 19:21:42,685 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 19:21:42,687 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 19:21:43,131 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-18 19:21:43,132 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 19:21:43,148 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 19:21:43,148 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 19:21:43,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:21:43 BoogieIcfgContainer [2024-11-18 19:21:43,149 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 19:21:43,152 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 19:21:43,152 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 19:21:43,155 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 19:21:43,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:21:41" (1/3) ... [2024-11-18 19:21:43,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d092398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:21:43, skipping insertion in model container [2024-11-18 19:21:43,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:42" (2/3) ... [2024-11-18 19:21:43,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d092398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:21:43, skipping insertion in model container [2024-11-18 19:21:43,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:21:43" (3/3) ... [2024-11-18 19:21:43,157 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-42.i [2024-11-18 19:21:43,172 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 19:21:43,172 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 19:21:43,229 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 19:21:43,237 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@34dd4943, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 19:21:43,239 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 19:21:43,243 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 44 states have (on average 1.3863636363636365) internal successors, (61), 45 states have internal predecessors, (61), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-18 19:21:43,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-18 19:21:43,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:21:43,259 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:21:43,259 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:21:43,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:21:43,265 INFO L85 PathProgramCache]: Analyzing trace with hash -275776191, now seen corresponding path program 1 times [2024-11-18 19:21:43,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 19:21:43,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [518905095] [2024-11-18 19:21:43,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:21:43,276 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 [2024-11-18 19:21:43,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 19:21:43,279 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) [2024-11-18 19:21:43,282 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 [2024-11-18 19:21:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:21:43,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 19:21:43,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 19:21:43,633 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-18 19:21:43,634 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 19:21:43,634 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 19:21:43,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [518905095] [2024-11-18 19:21:43,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [518905095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:21:43,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 19:21:43,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 19:21:43,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274645390] [2024-11-18 19:21:43,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:21:43,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 19:21:43,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 19:21:43,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 19:21:43,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 19:21:43,691 INFO L87 Difference]: Start difference. First operand has 66 states, 44 states have (on average 1.3863636363636365) internal successors, (61), 45 states have internal predecessors, (61), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-18 19:21:43,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:21:43,726 INFO L93 Difference]: Finished difference Result 125 states and 211 transitions. [2024-11-18 19:21:43,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 19:21:43,730 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 128 [2024-11-18 19:21:43,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:21:43,737 INFO L225 Difference]: With dead ends: 125 [2024-11-18 19:21:43,738 INFO L226 Difference]: Without dead ends: 62 [2024-11-18 19:21:43,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 19:21:43,747 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 19:21:43,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 19:21:43,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-18 19:21:43,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-18 19:21:43,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 41 states have internal predecessors, (54), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-18 19:21:43,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 92 transitions. [2024-11-18 19:21:43,805 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 92 transitions. Word has length 128 [2024-11-18 19:21:43,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:21:43,806 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 92 transitions. [2024-11-18 19:21:43,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-18 19:21:43,806 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 92 transitions. [2024-11-18 19:21:43,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-18 19:21:43,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:21:43,811 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:21:43,824 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 [2024-11-18 19:21:44,012 WARN L453 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 [2024-11-18 19:21:44,013 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:21:44,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:21:44,014 INFO L85 PathProgramCache]: Analyzing trace with hash -827477885, now seen corresponding path program 1 times [2024-11-18 19:21:44,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 19:21:44,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1652707872] [2024-11-18 19:21:44,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:21:44,015 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 [2024-11-18 19:21:44,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 19:21:44,016 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) [2024-11-18 19:21:44,017 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 [2024-11-18 19:21:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:21:44,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-18 19:21:44,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 19:21:44,615 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-18 19:21:44,615 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 19:21:44,615 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 19:21:44,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1652707872] [2024-11-18 19:21:44,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1652707872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:21:44,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 19:21:44,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 19:21:44,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43582180] [2024-11-18 19:21:44,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:21:44,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 19:21:44,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 19:21:44,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 19:21:44,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 19:21:44,621 INFO L87 Difference]: Start difference. First operand 62 states and 92 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-18 19:21:44,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:21:44,914 INFO L93 Difference]: Finished difference Result 181 states and 271 transitions. [2024-11-18 19:21:44,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 19:21:44,918 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 128 [2024-11-18 19:21:44,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:21:44,921 INFO L225 Difference]: With dead ends: 181 [2024-11-18 19:21:44,921 INFO L226 Difference]: Without dead ends: 122 [2024-11-18 19:21:44,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-18 19:21:44,923 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 75 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 19:21:44,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 258 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 19:21:44,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-18 19:21:44,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 101. [2024-11-18 19:21:44,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 60 states have (on average 1.2333333333333334) internal successors, (74), 60 states have internal predecessors, (74), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-18 19:21:44,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 150 transitions. [2024-11-18 19:21:44,949 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 150 transitions. Word has length 128 [2024-11-18 19:21:44,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:21:44,950 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 150 transitions. [2024-11-18 19:21:44,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-18 19:21:44,950 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 150 transitions. [2024-11-18 19:21:44,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-18 19:21:44,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:21:44,955 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:21:44,963 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 [2024-11-18 19:21:45,155 WARN L453 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 [2024-11-18 19:21:45,155 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:21:45,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:21:45,156 INFO L85 PathProgramCache]: Analyzing trace with hash 964837168, now seen corresponding path program 1 times [2024-11-18 19:21:45,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 19:21:45,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [701190411] [2024-11-18 19:21:45,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:21:45,157 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 [2024-11-18 19:21:45,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 19:21:45,160 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) [2024-11-18 19:21:45,161 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 [2024-11-18 19:21:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:21:45,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-18 19:21:45,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 19:21:46,009 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-18 19:21:46,010 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 19:21:46,010 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 19:21:46,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [701190411] [2024-11-18 19:21:46,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [701190411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:21:46,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 19:21:46,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 19:21:46,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295761160] [2024-11-18 19:21:46,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:21:46,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 19:21:46,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 19:21:46,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 19:21:46,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 19:21:46,013 INFO L87 Difference]: Start difference. First operand 101 states and 150 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-18 19:21:46,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:21:46,695 INFO L93 Difference]: Finished difference Result 263 states and 395 transitions. [2024-11-18 19:21:46,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 19:21:46,700 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 129 [2024-11-18 19:21:46,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:21:46,704 INFO L225 Difference]: With dead ends: 263 [2024-11-18 19:21:46,704 INFO L226 Difference]: Without dead ends: 204 [2024-11-18 19:21:46,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-18 19:21:46,706 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 105 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-18 19:21:46,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 363 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-18 19:21:46,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-18 19:21:46,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 158. [2024-11-18 19:21:46,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 97 states have (on average 1.268041237113402) internal successors, (123), 97 states have internal predecessors, (123), 57 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-18 19:21:46,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 237 transitions. [2024-11-18 19:21:46,736 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 237 transitions. Word has length 129 [2024-11-18 19:21:46,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:21:46,737 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 237 transitions. [2024-11-18 19:21:46,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-18 19:21:46,737 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 237 transitions. [2024-11-18 19:21:46,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-18 19:21:46,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:21:46,739 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:21:46,751 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 [2024-11-18 19:21:46,940 WARN L453 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 [2024-11-18 19:21:46,940 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:21:46,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:21:46,941 INFO L85 PathProgramCache]: Analyzing trace with hash -315026510, now seen corresponding path program 1 times [2024-11-18 19:21:46,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 19:21:46,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [577562305] [2024-11-18 19:21:46,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:21:46,942 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 [2024-11-18 19:21:46,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 19:21:46,945 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2024-11-18 19:21:46,946 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 (5)] Waiting until timeout for monitored process [2024-11-18 19:21:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:21:47,160 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-18 19:21:47,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 19:21:47,501 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 443 proven. 51 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-18 19:21:47,501 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 19:21:47,839 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 51 proven. 54 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2024-11-18 19:21:47,840 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 19:21:47,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [577562305] [2024-11-18 19:21:47,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [577562305] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 19:21:47,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-18 19:21:47,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2024-11-18 19:21:47,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899955421] [2024-11-18 19:21:47,840 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-18 19:21:47,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-18 19:21:47,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 19:21:47,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-18 19:21:47,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-18 19:21:47,843 INFO L87 Difference]: Start difference. First operand 158 states and 237 transitions. Second operand has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 3 states have call successors, (30), 3 states have call predecessors, (30), 7 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-18 19:21:49,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:21:49,020 INFO L93 Difference]: Finished difference Result 341 states and 477 transitions. [2024-11-18 19:21:49,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-18 19:21:49,021 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 3 states have call successors, (30), 3 states have call predecessors, (30), 7 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 129 [2024-11-18 19:21:49,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:21:49,024 INFO L225 Difference]: With dead ends: 341 [2024-11-18 19:21:49,025 INFO L226 Difference]: Without dead ends: 282 [2024-11-18 19:21:49,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 246 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=315, Invalid=741, Unknown=0, NotChecked=0, Total=1056 [2024-11-18 19:21:49,027 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 114 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-18 19:21:49,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 413 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-18 19:21:49,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-18 19:21:49,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 256. [2024-11-18 19:21:49,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 167 states have (on average 1.251497005988024) internal successors, (209), 167 states have internal predecessors, (209), 76 states have call successors, (76), 12 states have call predecessors, (76), 12 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-18 19:21:49,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 361 transitions. [2024-11-18 19:21:49,075 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 361 transitions. Word has length 129 [2024-11-18 19:21:49,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:21:49,076 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 361 transitions. [2024-11-18 19:21:49,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 3 states have call successors, (30), 3 states have call predecessors, (30), 7 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-18 19:21:49,076 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 361 transitions. [2024-11-18 19:21:49,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-18 19:21:49,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:21:49,080 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:21:49,093 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 (5)] Ended with exit code 0 [2024-11-18 19:21:49,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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 [2024-11-18 19:21:49,281 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:21:49,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:21:49,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1326143760, now seen corresponding path program 1 times [2024-11-18 19:21:49,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 19:21:49,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1407695102] [2024-11-18 19:21:49,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:21:49,283 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 [2024-11-18 19:21:49,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 19:21:49,289 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) [2024-11-18 19:21:49,292 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 [2024-11-18 19:21:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:21:49,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-18 19:21:49,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 19:21:50,188 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 150 proven. 48 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-11-18 19:21:50,189 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 19:21:50,556 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 19:21:50,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1407695102] [2024-11-18 19:21:50,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1407695102] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 19:21:50,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1308342177] [2024-11-18 19:21:50,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:21:50,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-18 19:21:50,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-18 19:21:50,561 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-18 19:21:50,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-18 19:21:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:21:51,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-18 19:21:51,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 19:21:51,508 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-18 19:21:51,508 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 19:21:51,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1308342177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:21:51,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 19:21:51,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2024-11-18 19:21:51,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287818763] [2024-11-18 19:21:51,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:21:51,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 19:21:51,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 19:21:51,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 19:21:51,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-18 19:21:51,512 INFO L87 Difference]: Start difference. First operand 256 states and 361 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-18 19:21:53,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:21:53,415 INFO L93 Difference]: Finished difference Result 703 states and 985 transitions. [2024-11-18 19:21:53,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-18 19:21:53,422 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 129 [2024-11-18 19:21:53,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:21:53,426 INFO L225 Difference]: With dead ends: 703 [2024-11-18 19:21:53,426 INFO L226 Difference]: Without dead ends: 572 [2024-11-18 19:21:53,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-18 19:21:53,428 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 127 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-18 19:21:53,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 414 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-18 19:21:53,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-11-18 19:21:53,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 499. [2024-11-18 19:21:53,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 338 states have (on average 1.2692307692307692) internal successors, (429), 340 states have internal predecessors, (429), 137 states have call successors, (137), 23 states have call predecessors, (137), 23 states have return successors, (137), 135 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-18 19:21:53,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 703 transitions. [2024-11-18 19:21:53,489 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 703 transitions. Word has length 129 [2024-11-18 19:21:53,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:21:53,490 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 703 transitions. [2024-11-18 19:21:53,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-18 19:21:53,490 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 703 transitions. [2024-11-18 19:21:53,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-18 19:21:53,492 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:21:53,492 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:21:53,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-18 19:21:53,701 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 [2024-11-18 19:21:53,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,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 [2024-11-18 19:21:53,893 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:21:53,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:21:53,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1912949774, now seen corresponding path program 1 times [2024-11-18 19:21:53,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 19:21:53,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [119465724] [2024-11-18 19:21:53,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:21:53,895 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 [2024-11-18 19:21:53,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 19:21:53,897 INFO L229 MonitoredProcess]: Starting monitored process 8 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) [2024-11-18 19:21:53,897 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 (8)] Waiting until timeout for monitored process [2024-11-18 19:21:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:21:54,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-18 19:21:54,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 19:21:54,685 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 150 proven. 48 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-11-18 19:21:54,685 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 19:21:54,943 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 19:21:54,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [119465724] [2024-11-18 19:21:54,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [119465724] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 19:21:54,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1397386353] [2024-11-18 19:21:54,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:21:54,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-18 19:21:54,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-18 19:21:54,947 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-18 19:21:54,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-18 19:21:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:21:55,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-18 19:21:55,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 19:21:56,116 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-18 19:21:56,116 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 19:21:56,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1397386353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:21:56,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 19:21:56,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2024-11-18 19:21:56,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277273294] [2024-11-18 19:21:56,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:21:56,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 19:21:56,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 19:21:56,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 19:21:56,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-18 19:21:56,119 INFO L87 Difference]: Start difference. First operand 499 states and 703 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-18 19:21:57,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:21:57,559 INFO L93 Difference]: Finished difference Result 870 states and 1227 transitions. [2024-11-18 19:21:57,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 19:21:57,560 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 129 [2024-11-18 19:21:57,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:21:57,570 INFO L225 Difference]: With dead ends: 870 [2024-11-18 19:21:57,570 INFO L226 Difference]: Without dead ends: 670 [2024-11-18 19:21:57,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-18 19:21:57,574 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 76 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-18 19:21:57,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 350 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-18 19:21:57,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2024-11-18 19:21:57,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 628. [2024-11-18 19:21:57,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 423 states have (on average 1.2624113475177305) internal successors, (534), 425 states have internal predecessors, (534), 175 states have call successors, (175), 29 states have call predecessors, (175), 29 states have return successors, (175), 173 states have call predecessors, (175), 175 states have call successors, (175) [2024-11-18 19:21:57,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 884 transitions. [2024-11-18 19:21:57,659 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 884 transitions. Word has length 129 [2024-11-18 19:21:57,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:21:57,659 INFO L471 AbstractCegarLoop]: Abstraction has 628 states and 884 transitions. [2024-11-18 19:21:57,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-18 19:21:57,660 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 884 transitions. [2024-11-18 19:21:57,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-18 19:21:57,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:21:57,661 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:21:57,669 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-18 19:21:57,870 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 (8)] Forceful destruction successful, exit code 0 [2024-11-18 19:21:58,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,8 /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 [2024-11-18 19:21:58,063 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:21:58,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:21:58,063 INFO L85 PathProgramCache]: Analyzing trace with hash 154929082, now seen corresponding path program 1 times [2024-11-18 19:21:58,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 19:21:58,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1251453695] [2024-11-18 19:21:58,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:21:58,064 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 [2024-11-18 19:21:58,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 19:21:58,065 INFO L229 MonitoredProcess]: Starting monitored process 10 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) [2024-11-18 19:21:58,067 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 (10)] Waiting until timeout for monitored process [2024-11-18 19:21:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:21:58,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-18 19:21:58,277 INFO L278 TraceCheckSpWp]: Computing forward predicates...