./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-1.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 91dcb1d48bb0eca7aa2ec33a21dcdd775aa1755cb1856f7606102fe5579d2f23 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 12:03:41,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 12:03:41,196 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 12:03:41,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 12:03:41,206 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 12:03:41,240 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 12:03:41,241 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 12:03:41,241 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 12:03:41,242 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 12:03:41,244 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 12:03:41,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 12:03:41,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 12:03:41,247 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 12:03:41,247 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 12:03:41,250 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 12:03:41,251 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 12:03:41,251 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 12:03:41,252 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 12:03:41,252 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 12:03:41,252 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 12:03:41,252 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 12:03:41,253 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 12:03:41,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 12:03:41,253 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 12:03:41,253 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 12:03:41,254 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 12:03:41,254 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 12:03:41,254 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 12:03:41,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 12:03:41,255 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 12:03:41,255 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 12:03:41,255 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 12:03:41,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 12:03:41,255 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 12:03:41,256 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 12:03:41,256 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 12:03:41,258 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 12:03:41,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 12:03:41,258 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 12:03:41,258 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 12:03:41,259 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 12:03:41,259 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 12:03:41,259 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91dcb1d48bb0eca7aa2ec33a21dcdd775aa1755cb1856f7606102fe5579d2f23 [2024-10-14 12:03:41,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 12:03:41,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 12:03:41,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 12:03:41,607 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 12:03:41,607 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 12:03:41,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-1.i [2024-10-14 12:03:43,276 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 12:03:43,523 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 12:03:43,525 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-1.i [2024-10-14 12:03:43,537 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/507694830/7916ede656cc4ae582a537bdf59c5c89/FLAG784c7bc80 [2024-10-14 12:03:43,860 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/507694830/7916ede656cc4ae582a537bdf59c5c89 [2024-10-14 12:03:43,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 12:03:43,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 12:03:43,865 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 12:03:43,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 12:03:43,873 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 12:03:43,874 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:03:43" (1/1) ... [2024-10-14 12:03:43,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a293c75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:43, skipping insertion in model container [2024-10-14 12:03:43,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:03:43" (1/1) ... [2024-10-14 12:03:43,910 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 12:03:44,063 WARN L248 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_loopvsstraightlinecode_50-while_file-1.i[914,927] [2024-10-14 12:03:44,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 12:03:44,142 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 12:03:44,155 WARN L248 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_loopvsstraightlinecode_50-while_file-1.i[914,927] [2024-10-14 12:03:44,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 12:03:44,202 INFO L204 MainTranslator]: Completed translation [2024-10-14 12:03:44,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:44 WrapperNode [2024-10-14 12:03:44,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 12:03:44,204 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 12:03:44,204 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 12:03:44,204 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 12:03:44,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:44" (1/1) ... [2024-10-14 12:03:44,227 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:44" (1/1) ... [2024-10-14 12:03:44,317 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 153 [2024-10-14 12:03:44,317 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 12:03:44,318 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 12:03:44,318 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 12:03:44,318 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 12:03:44,336 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:44" (1/1) ... [2024-10-14 12:03:44,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:44" (1/1) ... [2024-10-14 12:03:44,341 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:44" (1/1) ... [2024-10-14 12:03:44,371 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]. [2024-10-14 12:03:44,371 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:44" (1/1) ... [2024-10-14 12:03:44,372 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:44" (1/1) ... [2024-10-14 12:03:44,381 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:44" (1/1) ... [2024-10-14 12:03:44,390 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:44" (1/1) ... [2024-10-14 12:03:44,394 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:44" (1/1) ... [2024-10-14 12:03:44,396 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:44" (1/1) ... [2024-10-14 12:03:44,404 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 12:03:44,408 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 12:03:44,408 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 12:03:44,409 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 12:03:44,410 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:44" (1/1) ... [2024-10-14 12:03:44,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 12:03:44,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 12:03:44,448 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) [2024-10-14 12:03:44,454 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 [2024-10-14 12:03:44,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 12:03:44,507 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 12:03:44,507 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 12:03:44,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 12:03:44,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 12:03:44,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 12:03:44,605 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 12:03:44,608 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 12:03:44,920 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-14 12:03:44,921 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 12:03:44,995 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 12:03:44,995 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 12:03:44,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:03:44 BoogieIcfgContainer [2024-10-14 12:03:44,996 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 12:03:44,998 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 12:03:44,998 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 12:03:45,002 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 12:03:45,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:03:43" (1/3) ... [2024-10-14 12:03:45,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@433fec82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:03:45, skipping insertion in model container [2024-10-14 12:03:45,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:44" (2/3) ... [2024-10-14 12:03:45,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@433fec82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:03:45, skipping insertion in model container [2024-10-14 12:03:45,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:03:44" (3/3) ... [2024-10-14 12:03:45,006 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-1.i [2024-10-14 12:03:45,022 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 12:03:45,022 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 12:03:45,103 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 12:03:45,114 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;@3cdb92e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 12:03:45,114 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 12:03:45,121 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 12:03:45,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-14 12:03:45,138 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:03:45,140 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:03:45,140 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:03:45,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:03:45,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1896922977, now seen corresponding path program 1 times [2024-10-14 12:03:45,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:03:45,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092289805] [2024-10-14 12:03:45,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:03:45,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:03:45,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:45,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:03:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:45,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 12:03:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:45,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 12:03:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:45,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-14 12:03:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:45,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 12:03:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:45,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 12:03:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:45,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 12:03:45,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:45,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 12:03:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:45,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 12:03:45,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:45,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 12:03:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:45,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 12:03:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:45,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 12:03:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:45,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 12:03:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:45,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 12:03:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:45,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 12:03:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:45,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 12:03:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:45,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 12:03:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:45,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 12:03:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:45,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 12:03:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:45,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 12:03:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:45,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 12:03:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:45,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 12:03:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:45,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 12:03:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:45,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-14 12:03:45,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:03:45,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092289805] [2024-10-14 12:03:45,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092289805] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:03:45,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:03:45,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 12:03:45,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679727298] [2024-10-14 12:03:45,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:03:45,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 12:03:45,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:03:45,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 12:03:45,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 12:03:45,745 INFO L87 Difference]: Start difference. First operand has 62 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-14 12:03:45,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:03:45,813 INFO L93 Difference]: Finished difference Result 121 states and 215 transitions. [2024-10-14 12:03:45,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 12:03:45,817 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 142 [2024-10-14 12:03:45,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:03:45,824 INFO L225 Difference]: With dead ends: 121 [2024-10-14 12:03:45,824 INFO L226 Difference]: Without dead ends: 60 [2024-10-14 12:03:45,829 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 12:03:45,834 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 12:03:45,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 12:03:45,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-10-14 12:03:45,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-10-14 12:03:45,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 35 states have internal predecessors, (45), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 12:03:45,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 91 transitions. [2024-10-14 12:03:45,883 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 91 transitions. Word has length 142 [2024-10-14 12:03:45,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:03:45,884 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 91 transitions. [2024-10-14 12:03:45,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-14 12:03:45,885 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 91 transitions. [2024-10-14 12:03:45,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-14 12:03:45,891 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:03:45,891 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:03:45,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 12:03:45,892 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:03:45,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:03:45,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1578816353, now seen corresponding path program 1 times [2024-10-14 12:03:45,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:03:45,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972272614] [2024-10-14 12:03:45,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:03:45,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:03:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:03:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 12:03:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 12:03:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-14 12:03:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 12:03:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 12:03:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 12:03:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 12:03:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 12:03:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 12:03:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 12:03:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 12:03:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 12:03:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 12:03:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 12:03:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 12:03:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 12:03:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 12:03:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 12:03:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 12:03:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 12:03:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 12:03:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 12:03:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-14 12:03:46,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:03:46,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972272614] [2024-10-14 12:03:46,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972272614] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:03:46,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:03:46,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 12:03:46,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972172975] [2024-10-14 12:03:46,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:03:46,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 12:03:46,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:03:46,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 12:03:46,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 12:03:46,549 INFO L87 Difference]: Start difference. First operand 60 states and 91 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-14 12:03:46,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:03:46,607 INFO L93 Difference]: Finished difference Result 178 states and 271 transitions. [2024-10-14 12:03:46,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 12:03:46,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 142 [2024-10-14 12:03:46,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:03:46,611 INFO L225 Difference]: With dead ends: 178 [2024-10-14 12:03:46,611 INFO L226 Difference]: Without dead ends: 119 [2024-10-14 12:03:46,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 12:03:46,613 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 42 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 12:03:46,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 171 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 12:03:46,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-10-14 12:03:46,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 117. [2024-10-14 12:03:46,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 68 states have (on average 1.2794117647058822) internal successors, (87), 68 states have internal predecessors, (87), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-14 12:03:46,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 179 transitions. [2024-10-14 12:03:46,659 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 179 transitions. Word has length 142 [2024-10-14 12:03:46,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:03:46,660 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 179 transitions. [2024-10-14 12:03:46,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-14 12:03:46,660 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 179 transitions. [2024-10-14 12:03:46,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-14 12:03:46,664 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:03:46,664 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:03:46,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 12:03:46,665 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:03:46,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:03:46,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1698112248, now seen corresponding path program 1 times [2024-10-14 12:03:46,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:03:46,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777809582] [2024-10-14 12:03:46,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:03:46,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:03:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:03:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 12:03:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 12:03:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-14 12:03:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 12:03:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 12:03:46,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 12:03:46,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 12:03:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 12:03:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 12:03:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 12:03:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 12:03:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 12:03:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 12:03:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 12:03:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 12:03:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 12:03:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 12:03:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 12:03:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 12:03:46,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 12:03:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 12:03:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 12:03:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:46,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-14 12:03:46,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:03:46,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777809582] [2024-10-14 12:03:46,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777809582] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:03:46,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:03:46,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 12:03:46,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968789183] [2024-10-14 12:03:46,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:03:46,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 12:03:46,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:03:46,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 12:03:46,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 12:03:46,991 INFO L87 Difference]: Start difference. First operand 117 states and 179 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-14 12:03:47,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:03:47,244 INFO L93 Difference]: Finished difference Result 345 states and 527 transitions. [2024-10-14 12:03:47,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 12:03:47,244 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 143 [2024-10-14 12:03:47,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:03:47,251 INFO L225 Difference]: With dead ends: 345 [2024-10-14 12:03:47,251 INFO L226 Difference]: Without dead ends: 229 [2024-10-14 12:03:47,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 12:03:47,254 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 81 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 12:03:47,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 307 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 12:03:47,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-10-14 12:03:47,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 125. [2024-10-14 12:03:47,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 76 states have (on average 1.25) internal successors, (95), 76 states have internal predecessors, (95), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-14 12:03:47,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 187 transitions. [2024-10-14 12:03:47,311 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 187 transitions. Word has length 143 [2024-10-14 12:03:47,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:03:47,313 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 187 transitions. [2024-10-14 12:03:47,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-14 12:03:47,313 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 187 transitions. [2024-10-14 12:03:47,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-14 12:03:47,330 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:03:47,330 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:03:47,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 12:03:47,331 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:03:47,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:03:47,332 INFO L85 PathProgramCache]: Analyzing trace with hash 625026868, now seen corresponding path program 1 times [2024-10-14 12:03:47,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:03:47,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123035504] [2024-10-14 12:03:47,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:03:47,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:03:47,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 12:03:47,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [409249049] [2024-10-14 12:03:47,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:03:47,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 12:03:47,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 12:03:47,478 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) [2024-10-14 12:03:47,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 12:03:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 12:03:47,617 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 12:03:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 12:03:47,762 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 12:03:47,763 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 12:03:47,764 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 12:03:47,789 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 12:03:47,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 12:03:47,971 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-14 12:03:48,104 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 12:03:48,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:03:48 BoogieIcfgContainer [2024-10-14 12:03:48,108 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 12:03:48,109 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 12:03:48,109 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 12:03:48,111 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 12:03:48,111 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:03:44" (3/4) ... [2024-10-14 12:03:48,113 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 12:03:48,115 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 12:03:48,116 INFO L158 Benchmark]: Toolchain (without parser) took 4250.90ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 101.6MB in the beginning and 124.1MB in the end (delta: -22.5MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-10-14 12:03:48,116 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 104.9MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 12:03:48,116 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.83ms. Allocated memory is still 169.9MB. Free memory was 101.4MB in the beginning and 86.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-14 12:03:48,117 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.39ms. Allocated memory is still 169.9MB. Free memory was 86.5MB in the beginning and 140.7MB in the end (delta: -54.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-14 12:03:48,117 INFO L158 Benchmark]: Boogie Preprocessor took 88.90ms. Allocated memory is still 169.9MB. Free memory was 140.7MB in the beginning and 136.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 12:03:48,117 INFO L158 Benchmark]: RCFGBuilder took 588.12ms. Allocated memory is still 169.9MB. Free memory was 136.0MB in the beginning and 110.9MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-14 12:03:48,118 INFO L158 Benchmark]: TraceAbstraction took 3110.25ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 110.4MB in the beginning and 124.1MB in the end (delta: -13.7MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2024-10-14 12:03:48,118 INFO L158 Benchmark]: Witness Printer took 5.71ms. Allocated memory is still 205.5MB. Free memory is still 124.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 12:03:48,124 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 104.9MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.83ms. Allocated memory is still 169.9MB. Free memory was 101.4MB in the beginning and 86.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.39ms. Allocated memory is still 169.9MB. Free memory was 86.5MB in the beginning and 140.7MB in the end (delta: -54.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.90ms. Allocated memory is still 169.9MB. Free memory was 140.7MB in the beginning and 136.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 588.12ms. Allocated memory is still 169.9MB. Free memory was 136.0MB in the beginning and 110.9MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3110.25ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 110.4MB in the beginning and 124.1MB in the end (delta: -13.7MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * Witness Printer took 5.71ms. Allocated memory is still 205.5MB. Free memory is still 124.1MB. 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 someBinaryDOUBLEComparisonOperation at line 134, overapproximation of someBinaryFLOATComparisonOperation at line 134. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 64; [L23] double var_1_6 = 31.5; [L24] double var_1_9 = 1000000000.25; [L25] float var_1_10 = 1.1; [L26] float var_1_11 = 8.75; [L27] float var_1_12 = 63.8; [L28] unsigned char var_1_13 = 1; [L29] float var_1_14 = 127.5; [L30] signed char var_1_15 = -2; [L31] signed char var_1_16 = 1; [L32] signed char var_1_17 = 1; [L33] signed char var_1_18 = 1; [L34] signed char var_1_19 = -2; [L35] signed char var_1_20 = 16; [L36] signed char var_1_21 = 2; [L37] signed char var_1_22 = 8; [L38] unsigned char var_1_23 = 0; [L39] unsigned char var_1_24 = 0; [L40] unsigned char var_1_25 = 0; [L41] unsigned char var_1_26 = 0; [L42] unsigned char var_1_27 = 32; [L138] isInitial = 1 [L139] FCALL initially() [L140] COND TRUE 1 [L141] FCALL updateLastVariables() [L142] CALL updateVariables() [L94] var_1_9 = __VERIFIER_nondet_double() [L95] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L95] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L96] var_1_11 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L97] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L98] var_1_13 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L99] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L100] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L100] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L101] var_1_14 = __VERIFIER_nondet_float() [L102] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L102] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L103] var_1_16 = __VERIFIER_nondet_char() [L104] CALL assume_abort_if_not(var_1_16 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L104] RET assume_abort_if_not(var_1_16 >= -1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L105] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L105] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L106] var_1_17 = __VERIFIER_nondet_char() [L107] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L107] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L108] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L108] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L109] var_1_19 = __VERIFIER_nondet_char() [L110] CALL assume_abort_if_not(var_1_19 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L110] RET assume_abort_if_not(var_1_19 >= -63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L111] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L111] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L112] var_1_20 = __VERIFIER_nondet_char() [L113] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L113] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L114] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L114] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L115] var_1_21 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L116] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L117] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L117] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L118] var_1_22 = __VERIFIER_nondet_char() [L119] CALL assume_abort_if_not(var_1_22 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L119] RET assume_abort_if_not(var_1_22 >= -63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L120] CALL assume_abort_if_not(var_1_22 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L120] RET assume_abort_if_not(var_1_22 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L121] var_1_24 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L122] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L123] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L123] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L124] var_1_25 = __VERIFIER_nondet_uchar() [L125] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_26=0, var_1_27=32, var_1_6=63/2] [L125] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_26=0, var_1_27=32, var_1_6=63/2] [L126] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L126] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L127] var_1_26 = __VERIFIER_nondet_uchar() [L128] CALL assume_abort_if_not(var_1_26 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_6=63/2] [L128] RET assume_abort_if_not(var_1_26 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_6=63/2] [L129] CALL assume_abort_if_not(var_1_26 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_6=63/2] [L129] RET assume_abort_if_not(var_1_26 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_6=63/2] [L142] RET updateVariables() [L143] CALL step() [L46] var_1_15 = (var_1_16 - var_1_17) [L47] var_1_27 = var_1_21 [L48] unsigned char stepLocal_1 = var_1_27; [L49] unsigned char stepLocal_0 = var_1_27; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L50] COND TRUE (var_1_27 + var_1_27) <= stepLocal_1 [L51] var_1_1 = (128 + var_1_27) VAL [isInitial=1, stepLocal_0=0, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=128, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L59] COND FALSE !(var_1_27 < (var_1_27 - var_1_27)) VAL [isInitial=1, stepLocal_0=0, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=128, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L62] unsigned char stepLocal_2 = var_1_27; VAL [isInitial=1, stepLocal_0=0, stepLocal_2=0, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=128, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L63] COND FALSE !(var_1_27 > stepLocal_2) [L66] var_1_10 = 9.75f VAL [isInitial=1, stepLocal_0=0, var_1_10=39/4, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=128, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L68] COND TRUE ((((var_1_27) < (var_1_27)) ? (var_1_27) : (var_1_27))) < 25u [L69] var_1_18 = (((((var_1_19) > ((var_1_20 - var_1_21))) ? (var_1_19) : ((var_1_20 - var_1_21)))) + (((((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) < 0 ) ? -((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) : ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))) VAL [isInitial=1, stepLocal_0=0, var_1_10=39/4, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=126, var_1_19=63, var_1_1=128, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L71] signed long int stepLocal_5 = ~ var_1_21; VAL [isInitial=1, stepLocal_0=0, stepLocal_5=-1, var_1_10=39/4, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=126, var_1_19=63, var_1_1=128, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L72] COND FALSE !(\read(var_1_13)) VAL [isInitial=1, stepLocal_0=0, stepLocal_5=-1, var_1_10=39/4, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=126, var_1_19=63, var_1_1=128, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L81] unsigned char stepLocal_4 = var_1_18 >= var_1_27; [L82] unsigned char stepLocal_3 = var_1_27; VAL [isInitial=1, stepLocal_0=0, stepLocal_3=0, stepLocal_4=1, stepLocal_5=-1, var_1_10=39/4, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=126, var_1_19=63, var_1_1=128, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L83] COND FALSE !(var_1_23 && stepLocal_4) VAL [isInitial=1, stepLocal_0=0, stepLocal_3=0, stepLocal_5=-1, var_1_10=39/4, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=126, var_1_19=63, var_1_1=128, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L86] COND TRUE 1 >= stepLocal_3 [L87] var_1_12 = var_1_11 VAL [isInitial=1, stepLocal_0=0, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=126, var_1_19=63, var_1_1=128, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L143] RET step() [L144] CALL, EXPR property() [L134-L135] return (((((((((var_1_27 + var_1_27) <= var_1_27) ? (var_1_1 == ((signed short int) (128 + var_1_27))) : ((var_1_27 >= (var_1_27 * var_1_27)) ? (var_1_1 == ((signed short int) var_1_27)) : (var_1_1 == ((signed short int) 1)))) && ((var_1_27 < (var_1_27 - var_1_27)) ? (var_1_6 == ((double) var_1_9)) : 1)) && ((var_1_27 > var_1_27) ? (var_1_10 == ((float) (1.00000000000009E13f - var_1_11))) : (var_1_10 == ((float) 9.75f)))) && ((var_1_23 && (var_1_18 >= var_1_27)) ? (var_1_12 == ((float) var_1_11)) : ((1 >= var_1_27) ? (var_1_12 == ((float) var_1_11)) : (var_1_12 == ((float) var_1_14))))) && (var_1_15 == ((signed char) (var_1_16 - var_1_17)))) && ((((((var_1_27) < (var_1_27)) ? (var_1_27) : (var_1_27))) < 25u) ? (var_1_18 == ((signed char) (((((var_1_19) > ((var_1_20 - var_1_21))) ? (var_1_19) : ((var_1_20 - var_1_21)))) + (((((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) < 0 ) ? -((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) : ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))))) : 1)) && (var_1_13 ? (((~ var_1_21) > var_1_27) ? (var_1_23 == ((unsigned char) (var_1_24 && (! var_1_25)))) : (var_1_24 ? (var_1_23 == ((unsigned char) ((! var_1_25) || var_1_26))) : 1)) : 1)) && (var_1_27 == ((unsigned char) var_1_21)) ; [L144] RET, EXPR property() [L144] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=126, var_1_19=63, var_1_1=128, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L19] reach_error() VAL [isInitial=1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=126, var_1_19=63, var_1_1=128, var_1_20=63, var_1_21=0, var_1_22=-63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 4, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 123 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 123 mSDsluCounter, 566 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 249 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 103 IncrementalHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 317 mSDtfsCounter, 103 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=3, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 106 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 713 NumberOfCodeBlocks, 713 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 424 ConstructedInterpolants, 0 QuantifiedInterpolants, 550 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3036/3036 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 [2024-10-14 12:03:48,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 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/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-1.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 91dcb1d48bb0eca7aa2ec33a21dcdd775aa1755cb1856f7606102fe5579d2f23 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 12:03:50,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 12:03:50,690 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-14 12:03:50,696 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 12:03:50,698 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 12:03:50,734 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 12:03:50,737 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 12:03:50,738 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 12:03:50,738 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 12:03:50,739 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 12:03:50,740 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 12:03:50,741 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 12:03:50,741 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 12:03:50,742 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 12:03:50,742 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 12:03:50,742 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 12:03:50,743 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 12:03:50,743 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 12:03:50,746 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 12:03:50,747 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 12:03:50,747 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 12:03:50,748 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 12:03:50,748 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 12:03:50,748 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 12:03:50,748 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 12:03:50,749 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 12:03:50,749 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 12:03:50,749 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 12:03:50,750 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 12:03:50,750 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 12:03:50,750 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 12:03:50,750 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 12:03:50,751 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 12:03:50,755 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 12:03:50,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 12:03:50,756 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 12:03:50,757 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 12:03:50,758 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 12:03:50,758 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 12:03:50,758 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 12:03:50,759 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 12:03:50,759 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 12:03:50,759 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 12:03:50,760 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 12:03:50,760 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 12:03:50,760 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91dcb1d48bb0eca7aa2ec33a21dcdd775aa1755cb1856f7606102fe5579d2f23 [2024-10-14 12:03:51,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 12:03:51,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 12:03:51,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 12:03:51,175 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 12:03:51,176 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 12:03:51,179 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-1.i [2024-10-14 12:03:52,928 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 12:03:53,196 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 12:03:53,197 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-1.i [2024-10-14 12:03:53,211 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55ee9652d/edf2f2e1a7714c1092a03ac4e579ec84/FLAG18c4c32da [2024-10-14 12:03:53,525 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55ee9652d/edf2f2e1a7714c1092a03ac4e579ec84 [2024-10-14 12:03:53,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 12:03:53,530 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 12:03:53,531 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 12:03:53,532 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 12:03:53,537 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 12:03:53,538 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:03:53" (1/1) ... [2024-10-14 12:03:53,539 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4bbf82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:53, skipping insertion in model container [2024-10-14 12:03:53,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:03:53" (1/1) ... [2024-10-14 12:03:53,572 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 12:03:53,736 WARN L248 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_loopvsstraightlinecode_50-while_file-1.i[914,927] [2024-10-14 12:03:53,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 12:03:53,844 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 12:03:53,861 WARN L248 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_loopvsstraightlinecode_50-while_file-1.i[914,927] [2024-10-14 12:03:53,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 12:03:53,945 INFO L204 MainTranslator]: Completed translation [2024-10-14 12:03:53,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:53 WrapperNode [2024-10-14 12:03:53,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 12:03:53,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 12:03:53,949 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 12:03:53,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 12:03:53,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:53" (1/1) ... [2024-10-14 12:03:53,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:53" (1/1) ... [2024-10-14 12:03:54,019 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 147 [2024-10-14 12:03:54,020 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 12:03:54,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 12:03:54,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 12:03:54,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 12:03:54,033 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:53" (1/1) ... [2024-10-14 12:03:54,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:53" (1/1) ... [2024-10-14 12:03:54,039 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:53" (1/1) ... [2024-10-14 12:03:54,066 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]. [2024-10-14 12:03:54,067 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:53" (1/1) ... [2024-10-14 12:03:54,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:53" (1/1) ... [2024-10-14 12:03:54,083 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:53" (1/1) ... [2024-10-14 12:03:54,095 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:53" (1/1) ... [2024-10-14 12:03:54,097 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:53" (1/1) ... [2024-10-14 12:03:54,103 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:53" (1/1) ... [2024-10-14 12:03:54,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 12:03:54,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 12:03:54,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 12:03:54,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 12:03:54,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:53" (1/1) ... [2024-10-14 12:03:54,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 12:03:54,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 12:03:54,156 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) [2024-10-14 12:03:54,162 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 [2024-10-14 12:03:54,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 12:03:54,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-14 12:03:54,216 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 12:03:54,216 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 12:03:54,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 12:03:54,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 12:03:54,320 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 12:03:54,323 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 12:03:54,763 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-14 12:03:54,763 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 12:03:54,829 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 12:03:54,829 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 12:03:54,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:03:54 BoogieIcfgContainer [2024-10-14 12:03:54,830 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 12:03:54,832 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 12:03:54,832 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 12:03:54,837 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 12:03:54,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:03:53" (1/3) ... [2024-10-14 12:03:54,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50647065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:03:54, skipping insertion in model container [2024-10-14 12:03:54,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:03:53" (2/3) ... [2024-10-14 12:03:54,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50647065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:03:54, skipping insertion in model container [2024-10-14 12:03:54,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:03:54" (3/3) ... [2024-10-14 12:03:54,841 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-1.i [2024-10-14 12:03:54,860 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 12:03:54,861 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 12:03:54,932 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 12:03:54,942 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;@48949781, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 12:03:54,943 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 12:03:54,948 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 12:03:54,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-14 12:03:54,964 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:03:54,965 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:03:54,966 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:03:54,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:03:54,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1896922977, now seen corresponding path program 1 times [2024-10-14 12:03:54,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 12:03:54,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [726398809] [2024-10-14 12:03:54,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:03:54,992 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 [2024-10-14 12:03:54,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 12:03:54,996 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) [2024-10-14 12:03:54,997 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 [2024-10-14 12:03:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:55,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-14 12:03:55,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 12:03:55,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 512 proven. 0 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2024-10-14 12:03:55,329 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 12:03:55,330 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 12:03:55,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [726398809] [2024-10-14 12:03:55,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [726398809] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:03:55,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:03:55,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 12:03:55,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376702012] [2024-10-14 12:03:55,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:03:55,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 12:03:55,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 12:03:55,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 12:03:55,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 12:03:55,367 INFO L87 Difference]: Start difference. First operand has 62 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-14 12:03:55,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:03:55,429 INFO L93 Difference]: Finished difference Result 121 states and 215 transitions. [2024-10-14 12:03:55,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 12:03:55,433 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 142 [2024-10-14 12:03:55,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:03:55,440 INFO L225 Difference]: With dead ends: 121 [2024-10-14 12:03:55,441 INFO L226 Difference]: Without dead ends: 60 [2024-10-14 12:03:55,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 12:03:55,449 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 12:03:55,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 12:03:55,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-10-14 12:03:55,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-10-14 12:03:55,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 35 states have internal predecessors, (45), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 12:03:55,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 91 transitions. [2024-10-14 12:03:55,538 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 91 transitions. Word has length 142 [2024-10-14 12:03:55,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:03:55,538 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 91 transitions. [2024-10-14 12:03:55,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-14 12:03:55,539 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 91 transitions. [2024-10-14 12:03:55,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-14 12:03:55,544 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:03:55,545 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:03:55,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-14 12:03:55,745 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 [2024-10-14 12:03:55,746 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:03:55,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:03:55,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1578816353, now seen corresponding path program 1 times [2024-10-14 12:03:55,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 12:03:55,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1525661224] [2024-10-14 12:03:55,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:03:55,749 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 [2024-10-14 12:03:55,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 12:03:55,752 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) [2024-10-14 12:03:55,753 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 [2024-10-14 12:03:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:56,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 12:03:56,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 12:03:56,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 527 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-10-14 12:03:56,560 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 12:03:56,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-14 12:03:56,766 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 12:03:56,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1525661224] [2024-10-14 12:03:56,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1525661224] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-14 12:03:56,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 12:03:56,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2024-10-14 12:03:56,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463196926] [2024-10-14 12:03:56,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:03:56,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 12:03:56,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 12:03:56,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 12:03:56,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-10-14 12:03:56,773 INFO L87 Difference]: Start difference. First operand 60 states and 91 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-14 12:03:56,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:03:56,849 INFO L93 Difference]: Finished difference Result 119 states and 181 transitions. [2024-10-14 12:03:56,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 12:03:56,850 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 142 [2024-10-14 12:03:56,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:03:56,853 INFO L225 Difference]: With dead ends: 119 [2024-10-14 12:03:56,853 INFO L226 Difference]: Without dead ends: 60 [2024-10-14 12:03:56,854 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-10-14 12:03:56,855 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 12:03:56,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 160 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 12:03:56,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-10-14 12:03:56,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-10-14 12:03:56,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 states have internal predecessors, (44), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 12:03:56,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 90 transitions. [2024-10-14 12:03:56,869 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 90 transitions. Word has length 142 [2024-10-14 12:03:56,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:03:56,871 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 90 transitions. [2024-10-14 12:03:56,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-14 12:03:56,872 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 90 transitions. [2024-10-14 12:03:56,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-14 12:03:56,873 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:03:56,874 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:03:56,884 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 [2024-10-14 12:03:57,074 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 [2024-10-14 12:03:57,075 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:03:57,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:03:57,076 INFO L85 PathProgramCache]: Analyzing trace with hash -2036092573, now seen corresponding path program 1 times [2024-10-14 12:03:57,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 12:03:57,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1062375574] [2024-10-14 12:03:57,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:03:57,077 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 [2024-10-14 12:03:57,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 12:03:57,081 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) [2024-10-14 12:03:57,082 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 [2024-10-14 12:03:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:57,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 12:03:57,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 12:03:57,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-14 12:03:57,579 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 12:03:57,579 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 12:03:57,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1062375574] [2024-10-14 12:03:57,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1062375574] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:03:57,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:03:57,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 12:03:57,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954389759] [2024-10-14 12:03:57,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:03:57,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 12:03:57,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 12:03:57,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 12:03:57,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 12:03:57,583 INFO L87 Difference]: Start difference. First operand 60 states and 90 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-14 12:03:57,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:03:57,644 INFO L93 Difference]: Finished difference Result 178 states and 268 transitions. [2024-10-14 12:03:57,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 12:03:57,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 142 [2024-10-14 12:03:57,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:03:57,647 INFO L225 Difference]: With dead ends: 178 [2024-10-14 12:03:57,647 INFO L226 Difference]: Without dead ends: 119 [2024-10-14 12:03:57,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 12:03:57,651 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 15 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 12:03:57,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 169 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 12:03:57,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-10-14 12:03:57,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 117. [2024-10-14 12:03:57,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 68 states have (on average 1.25) internal successors, (85), 68 states have internal predecessors, (85), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-14 12:03:57,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 177 transitions. [2024-10-14 12:03:57,680 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 177 transitions. Word has length 142 [2024-10-14 12:03:57,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:03:57,683 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 177 transitions. [2024-10-14 12:03:57,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-14 12:03:57,684 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 177 transitions. [2024-10-14 12:03:57,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-14 12:03:57,686 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:03:57,686 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:03:57,699 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 [2024-10-14 12:03:57,890 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 [2024-10-14 12:03:57,891 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:03:57,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:03:57,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1305085238, now seen corresponding path program 1 times [2024-10-14 12:03:57,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 12:03:57,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [543195797] [2024-10-14 12:03:57,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:03:57,893 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 [2024-10-14 12:03:57,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 12:03:57,898 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) [2024-10-14 12:03:57,902 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 [2024-10-14 12:03:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:58,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-14 12:03:58,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 12:03:58,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 527 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-10-14 12:03:58,459 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 12:03:58,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-14 12:03:58,610 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 12:03:58,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [543195797] [2024-10-14 12:03:58,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [543195797] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-14 12:03:58,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 12:03:58,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11] total 13 [2024-10-14 12:03:58,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163048732] [2024-10-14 12:03:58,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:03:58,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 12:03:58,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 12:03:58,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 12:03:58,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-10-14 12:03:58,617 INFO L87 Difference]: Start difference. First operand 117 states and 177 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-14 12:03:58,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:03:58,742 INFO L93 Difference]: Finished difference Result 338 states and 512 transitions. [2024-10-14 12:03:58,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 12:03:58,743 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 143 [2024-10-14 12:03:58,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:03:58,747 INFO L225 Difference]: With dead ends: 338 [2024-10-14 12:03:58,747 INFO L226 Difference]: Without dead ends: 222 [2024-10-14 12:03:58,749 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-10-14 12:03:58,749 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 77 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 12:03:58,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 238 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 12:03:58,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-10-14 12:03:58,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 131. [2024-10-14 12:03:58,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 82 states have (on average 1.2926829268292683) internal successors, (106), 82 states have internal predecessors, (106), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-14 12:03:58,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 198 transitions. [2024-10-14 12:03:58,792 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 198 transitions. Word has length 143 [2024-10-14 12:03:58,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:03:58,793 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 198 transitions. [2024-10-14 12:03:58,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-14 12:03:58,793 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 198 transitions. [2024-10-14 12:03:58,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-14 12:03:58,795 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:03:58,795 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:03:58,807 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 [2024-10-14 12:03:58,996 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 [2024-10-14 12:03:58,997 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:03:58,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:03:58,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1305144820, now seen corresponding path program 1 times [2024-10-14 12:03:58,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 12:03:58,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2012085462] [2024-10-14 12:03:58,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:03:58,999 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 [2024-10-14 12:03:58,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 12:03:59,003 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) [2024-10-14 12:03:59,005 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 [2024-10-14 12:03:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:03:59,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-14 12:03:59,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 12:03:59,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 527 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-10-14 12:03:59,584 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 12:03:59,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-14 12:03:59,755 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 12:03:59,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2012085462] [2024-10-14 12:03:59,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2012085462] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-14 12:03:59,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 12:03:59,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2024-10-14 12:03:59,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720334110] [2024-10-14 12:03:59,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:03:59,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 12:03:59,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 12:03:59,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 12:03:59,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-10-14 12:03:59,761 INFO L87 Difference]: Start difference. First operand 131 states and 198 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-14 12:03:59,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:03:59,979 INFO L93 Difference]: Finished difference Result 359 states and 540 transitions. [2024-10-14 12:03:59,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 12:03:59,980 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 143 [2024-10-14 12:03:59,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:03:59,983 INFO L225 Difference]: With dead ends: 359 [2024-10-14 12:03:59,983 INFO L226 Difference]: Without dead ends: 229 [2024-10-14 12:03:59,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-10-14 12:03:59,987 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 114 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 12:03:59,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 213 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 12:03:59,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-10-14 12:04:00,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 139. [2024-10-14 12:04:00,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 90 states have (on average 1.2666666666666666) internal successors, (114), 90 states have internal predecessors, (114), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-14 12:04:00,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 206 transitions. [2024-10-14 12:04:00,022 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 206 transitions. Word has length 143 [2024-10-14 12:04:00,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:04:00,023 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 206 transitions. [2024-10-14 12:04:00,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-14 12:04:00,023 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 206 transitions. [2024-10-14 12:04:00,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-14 12:04:00,025 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:04:00,025 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:04:00,036 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 (6)] Ended with exit code 0 [2024-10-14 12:04:00,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 12:04:00,230 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:04:00,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:04:00,231 INFO L85 PathProgramCache]: Analyzing trace with hash 625026868, now seen corresponding path program 1 times [2024-10-14 12:04:00,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 12:04:00,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1221031703] [2024-10-14 12:04:00,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:04:00,232 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 [2024-10-14 12:04:00,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 12:04:00,233 INFO L229 MonitoredProcess]: Starting monitored process 7 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) [2024-10-14 12:04:00,234 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 (7)] Waiting until timeout for monitored process [2024-10-14 12:04:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:04:00,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-14 12:04:00,403 INFO L278 TraceCheckSpWp]: Computing forward predicates...