./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-75.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-75.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 aae2fa1a6f385f97337cc2b739ec0b65ccf727ece5077a08bd3db09419c3a3cc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 13:10:37,816 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 13:10:37,906 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 13:10:37,911 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 13:10:37,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 13:10:37,948 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 13:10:37,949 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 13:10:37,949 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 13:10:37,949 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 13:10:37,950 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 13:10:37,950 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 13:10:37,951 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 13:10:37,951 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 13:10:37,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 13:10:37,954 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 13:10:37,954 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 13:10:37,954 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 13:10:37,955 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 13:10:37,955 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 13:10:37,955 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 13:10:37,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 13:10:37,959 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 13:10:37,959 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 13:10:37,959 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 13:10:37,960 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 13:10:37,960 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 13:10:37,960 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 13:10:37,960 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 13:10:37,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 13:10:37,961 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 13:10:37,961 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 13:10:37,961 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 13:10:37,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 13:10:37,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 13:10:37,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 13:10:37,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 13:10:37,962 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 13:10:37,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 13:10:37,963 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 13:10:37,963 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 13:10:37,963 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 13:10:37,964 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 13:10:37,964 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aae2fa1a6f385f97337cc2b739ec0b65ccf727ece5077a08bd3db09419c3a3cc [2024-11-22 13:10:38,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 13:10:38,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 13:10:38,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 13:10:38,231 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 13:10:38,231 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 13:10:38,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-75.i [2024-11-22 13:10:39,665 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 13:10:39,848 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 13:10:39,849 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-75.i [2024-11-22 13:10:39,860 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acded048f/0b84d41e69b84fc5a015b152839bb143/FLAG64c1566bd [2024-11-22 13:10:39,871 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acded048f/0b84d41e69b84fc5a015b152839bb143 [2024-11-22 13:10:39,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 13:10:39,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 13:10:39,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 13:10:39,876 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 13:10:39,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 13:10:39,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:10:39" (1/1) ... [2024-11-22 13:10:39,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ed16447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:39, skipping insertion in model container [2024-11-22 13:10:39,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:10:39" (1/1) ... [2024-11-22 13:10:39,908 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 13:10:40,090 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-75.i[916,929] [2024-11-22 13:10:40,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 13:10:40,156 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 13:10:40,165 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-75.i[916,929] [2024-11-22 13:10:40,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 13:10:40,221 INFO L204 MainTranslator]: Completed translation [2024-11-22 13:10:40,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:40 WrapperNode [2024-11-22 13:10:40,222 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 13:10:40,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 13:10:40,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 13:10:40,223 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 13:10:40,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:40" (1/1) ... [2024-11-22 13:10:40,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:40" (1/1) ... [2024-11-22 13:10:40,303 INFO L138 Inliner]: procedures = 30, calls = 160, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 461 [2024-11-22 13:10:40,303 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 13:10:40,304 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 13:10:40,304 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 13:10:40,304 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 13:10:40,315 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:40" (1/1) ... [2024-11-22 13:10:40,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:40" (1/1) ... [2024-11-22 13:10:40,325 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:40" (1/1) ... [2024-11-22 13:10:40,339 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-22 13:10:40,339 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:40" (1/1) ... [2024-11-22 13:10:40,339 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:40" (1/1) ... [2024-11-22 13:10:40,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:40" (1/1) ... [2024-11-22 13:10:40,370 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:40" (1/1) ... [2024-11-22 13:10:40,376 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:40" (1/1) ... [2024-11-22 13:10:40,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:40" (1/1) ... [2024-11-22 13:10:40,390 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 13:10:40,391 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 13:10:40,391 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 13:10:40,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 13:10:40,394 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:40" (1/1) ... [2024-11-22 13:10:40,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 13:10:40,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 13:10:40,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 13:10:40,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 13:10:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 13:10:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-22 13:10:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-22 13:10:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-22 13:10:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-22 13:10:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-22 13:10:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-22 13:10:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 13:10:40,468 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 13:10:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 13:10:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 13:10:40,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 13:10:40,568 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 13:10:40,570 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 13:10:41,145 INFO L? ?]: Removed 114 outVars from TransFormulas that were not future-live. [2024-11-22 13:10:41,146 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 13:10:41,165 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 13:10:41,166 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 13:10:41,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:10:41 BoogieIcfgContainer [2024-11-22 13:10:41,167 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 13:10:41,169 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 13:10:41,170 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 13:10:41,173 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 13:10:41,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:10:39" (1/3) ... [2024-11-22 13:10:41,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f60549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:10:41, skipping insertion in model container [2024-11-22 13:10:41,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:40" (2/3) ... [2024-11-22 13:10:41,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f60549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:10:41, skipping insertion in model container [2024-11-22 13:10:41,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:10:41" (3/3) ... [2024-11-22 13:10:41,176 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-75.i [2024-11-22 13:10:41,191 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 13:10:41,192 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 13:10:41,242 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 13:10:41,249 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;@3a0981ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 13:10:41,249 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 13:10:41,253 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 77 states have (on average 1.4025974025974026) internal successors, (108), 78 states have internal predecessors, (108), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 13:10:41,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-22 13:10:41,267 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:10:41,268 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:10:41,268 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:10:41,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:10:41,275 INFO L85 PathProgramCache]: Analyzing trace with hash -316616372, now seen corresponding path program 1 times [2024-11-22 13:10:41,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:10:41,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213426108] [2024-11-22 13:10:41,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:41,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:10:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:10:41,680 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-22 13:10:41,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:10:41,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213426108] [2024-11-22 13:10:41,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213426108] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 13:10:41,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534315800] [2024-11-22 13:10:41,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:41,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 13:10:41,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 13:10:41,686 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 13:10:41,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 13:10:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:10:41,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 13:10:41,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:10:42,007 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-22 13:10:42,011 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:10:42,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534315800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:10:42,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 13:10:42,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 13:10:42,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933695618] [2024-11-22 13:10:42,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:10:42,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 13:10:42,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:10:42,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 13:10:42,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 13:10:42,052 INFO L87 Difference]: Start difference. First operand has 97 states, 77 states have (on average 1.4025974025974026) internal successors, (108), 78 states have internal predecessors, (108), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-22 13:10:42,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:10:42,090 INFO L93 Difference]: Finished difference Result 187 states and 295 transitions. [2024-11-22 13:10:42,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 13:10:42,092 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 136 [2024-11-22 13:10:42,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:10:42,099 INFO L225 Difference]: With dead ends: 187 [2024-11-22 13:10:42,099 INFO L226 Difference]: Without dead ends: 93 [2024-11-22 13:10:42,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 13:10:42,105 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 13:10:42,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 13:10:42,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-22 13:10:42,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-22 13:10:42,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 74 states have (on average 1.364864864864865) internal successors, (101), 74 states have internal predecessors, (101), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 13:10:42,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 135 transitions. [2024-11-22 13:10:42,146 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 135 transitions. Word has length 136 [2024-11-22 13:10:42,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:10:42,147 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 135 transitions. [2024-11-22 13:10:42,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-22 13:10:42,147 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions. [2024-11-22 13:10:42,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-22 13:10:42,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:10:42,154 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:10:42,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 13:10:42,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 13:10:42,356 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:10:42,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:10:42,356 INFO L85 PathProgramCache]: Analyzing trace with hash -93175106, now seen corresponding path program 1 times [2024-11-22 13:10:42,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:10:42,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426961822] [2024-11-22 13:10:42,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:42,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:10:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:10:42,723 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-22 13:10:42,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:10:42,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426961822] [2024-11-22 13:10:42,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426961822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:10:42,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:10:42,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 13:10:42,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856184389] [2024-11-22 13:10:42,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:10:42,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 13:10:42,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:10:42,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 13:10:42,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 13:10:42,729 INFO L87 Difference]: Start difference. First operand 93 states and 135 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:10:42,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:10:42,774 INFO L93 Difference]: Finished difference Result 186 states and 271 transitions. [2024-11-22 13:10:42,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 13:10:42,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 136 [2024-11-22 13:10:42,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:10:42,780 INFO L225 Difference]: With dead ends: 186 [2024-11-22 13:10:42,780 INFO L226 Difference]: Without dead ends: 96 [2024-11-22 13:10:42,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 13:10:42,782 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 1 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 13:10:42,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 385 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 13:10:42,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-22 13:10:42,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 95. [2024-11-22 13:10:42,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 76 states have (on average 1.355263157894737) internal successors, (103), 76 states have internal predecessors, (103), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 13:10:42,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 137 transitions. [2024-11-22 13:10:42,799 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 137 transitions. Word has length 136 [2024-11-22 13:10:42,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:10:42,800 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 137 transitions. [2024-11-22 13:10:42,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:10:42,801 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2024-11-22 13:10:42,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-22 13:10:42,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:10:42,803 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:10:42,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 13:10:42,803 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:10:42,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:10:42,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1681832256, now seen corresponding path program 1 times [2024-11-22 13:10:42,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:10:42,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794707867] [2024-11-22 13:10:42,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:42,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:10:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:10:43,015 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-22 13:10:43,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:10:43,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794707867] [2024-11-22 13:10:43,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794707867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:10:43,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:10:43,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 13:10:43,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553655089] [2024-11-22 13:10:43,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:10:43,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 13:10:43,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:10:43,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 13:10:43,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 13:10:43,018 INFO L87 Difference]: Start difference. First operand 95 states and 137 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:10:43,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:10:43,059 INFO L93 Difference]: Finished difference Result 190 states and 275 transitions. [2024-11-22 13:10:43,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 13:10:43,062 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 136 [2024-11-22 13:10:43,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:10:43,064 INFO L225 Difference]: With dead ends: 190 [2024-11-22 13:10:43,064 INFO L226 Difference]: Without dead ends: 98 [2024-11-22 13:10:43,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 13:10:43,066 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 1 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 13:10:43,066 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 388 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 13:10:43,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-22 13:10:43,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2024-11-22 13:10:43,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 78 states have (on average 1.3461538461538463) internal successors, (105), 78 states have internal predecessors, (105), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 13:10:43,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions. [2024-11-22 13:10:43,087 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 139 transitions. Word has length 136 [2024-11-22 13:10:43,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:10:43,087 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 139 transitions. [2024-11-22 13:10:43,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:10:43,088 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 139 transitions. [2024-11-22 13:10:43,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-22 13:10:43,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:10:43,092 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:10:43,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 13:10:43,092 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:10:43,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:10:43,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1683679298, now seen corresponding path program 1 times [2024-11-22 13:10:43,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:10:43,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162194131] [2024-11-22 13:10:43,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:43,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:10:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:10:45,459 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-22 13:10:45,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:10:45,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162194131] [2024-11-22 13:10:45,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162194131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:10:45,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:10:45,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 13:10:45,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219063124] [2024-11-22 13:10:45,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:10:45,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 13:10:45,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:10:45,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 13:10:45,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 13:10:45,465 INFO L87 Difference]: Start difference. First operand 97 states and 139 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-22 13:10:45,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:10:45,713 INFO L93 Difference]: Finished difference Result 191 states and 275 transitions. [2024-11-22 13:10:45,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 13:10:45,713 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 136 [2024-11-22 13:10:45,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:10:45,715 INFO L225 Difference]: With dead ends: 191 [2024-11-22 13:10:45,715 INFO L226 Difference]: Without dead ends: 97 [2024-11-22 13:10:45,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-22 13:10:45,717 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 46 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 13:10:45,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 418 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 13:10:45,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-22 13:10:45,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-22 13:10:45,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 78 states have (on average 1.3333333333333333) internal successors, (104), 78 states have internal predecessors, (104), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 13:10:45,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 138 transitions. [2024-11-22 13:10:45,724 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 138 transitions. Word has length 136 [2024-11-22 13:10:45,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:10:45,725 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 138 transitions. [2024-11-22 13:10:45,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-22 13:10:45,726 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 138 transitions. [2024-11-22 13:10:45,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-22 13:10:45,727 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:10:45,727 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:10:45,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 13:10:45,728 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:10:45,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:10:45,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1740687971, now seen corresponding path program 1 times [2024-11-22 13:10:45,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:10:45,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430943962] [2024-11-22 13:10:45,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:45,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:10:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:10:49,152 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-22 13:10:49,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:10:49,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430943962] [2024-11-22 13:10:49,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430943962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:10:49,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:10:49,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-22 13:10:49,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201560729] [2024-11-22 13:10:49,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:10:49,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-22 13:10:49,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:10:49,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-22 13:10:49,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2024-11-22 13:10:49,155 INFO L87 Difference]: Start difference. First operand 97 states and 138 transitions. Second operand has 16 states, 14 states have (on average 4.0) internal successors, (56), 16 states have internal predecessors, (56), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-22 13:10:51,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:10:51,818 INFO L93 Difference]: Finished difference Result 508 states and 720 transitions. [2024-11-22 13:10:51,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-22 13:10:51,818 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 4.0) internal successors, (56), 16 states have internal predecessors, (56), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 4 states have call successors, (17) Word has length 138 [2024-11-22 13:10:51,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:10:51,821 INFO L225 Difference]: With dead ends: 508 [2024-11-22 13:10:51,821 INFO L226 Difference]: Without dead ends: 414 [2024-11-22 13:10:51,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=217, Invalid=775, Unknown=0, NotChecked=0, Total=992 [2024-11-22 13:10:51,823 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 920 mSDsluCounter, 1087 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 920 SdHoareTripleChecker+Valid, 1216 SdHoareTripleChecker+Invalid, 1917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-22 13:10:51,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [920 Valid, 1216 Invalid, 1917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 1705 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-22 13:10:51,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-22 13:10:51,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 296. [2024-11-22 13:10:51,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 240 states have (on average 1.3458333333333334) internal successors, (323), 241 states have internal predecessors, (323), 51 states have call successors, (51), 4 states have call predecessors, (51), 4 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-22 13:10:51,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 425 transitions. [2024-11-22 13:10:51,876 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 425 transitions. Word has length 138 [2024-11-22 13:10:51,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:10:51,877 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 425 transitions. [2024-11-22 13:10:51,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 4.0) internal successors, (56), 16 states have internal predecessors, (56), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-22 13:10:51,877 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 425 transitions. [2024-11-22 13:10:51,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-22 13:10:51,878 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:10:51,879 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:10:51,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 13:10:51,879 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:10:51,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:10:51,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1521833253, now seen corresponding path program 1 times [2024-11-22 13:10:51,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:10:51,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958860443] [2024-11-22 13:10:51,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:51,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:10:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:10:52,617 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-22 13:10:52,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:10:52,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958860443] [2024-11-22 13:10:52,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958860443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:10:52,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:10:52,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 13:10:52,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286686684] [2024-11-22 13:10:52,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:10:52,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 13:10:52,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:10:52,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 13:10:52,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 13:10:52,623 INFO L87 Difference]: Start difference. First operand 296 states and 425 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:10:53,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:10:53,151 INFO L93 Difference]: Finished difference Result 846 states and 1212 transitions. [2024-11-22 13:10:53,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 13:10:53,152 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2024-11-22 13:10:53,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:10:53,157 INFO L225 Difference]: With dead ends: 846 [2024-11-22 13:10:53,157 INFO L226 Difference]: Without dead ends: 553 [2024-11-22 13:10:53,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-22 13:10:53,158 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 109 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 13:10:53,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 546 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 13:10:53,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2024-11-22 13:10:53,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 316. [2024-11-22 13:10:53,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 260 states have (on average 1.3576923076923078) internal successors, (353), 261 states have internal predecessors, (353), 51 states have call successors, (51), 4 states have call predecessors, (51), 4 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-22 13:10:53,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 455 transitions. [2024-11-22 13:10:53,191 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 455 transitions. Word has length 138 [2024-11-22 13:10:53,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:10:53,192 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 455 transitions. [2024-11-22 13:10:53,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:10:53,193 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 455 transitions. [2024-11-22 13:10:53,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-22 13:10:53,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:10:53,194 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:10:53,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 13:10:53,194 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:10:53,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:10:53,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1752065689, now seen corresponding path program 1 times [2024-11-22 13:10:53,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:10:53,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795202718] [2024-11-22 13:10:53,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:53,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:10:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:10:55,022 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-22 13:10:55,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:10:55,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795202718] [2024-11-22 13:10:55,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795202718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:10:55,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:10:55,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-22 13:10:55,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718161710] [2024-11-22 13:10:55,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:10:55,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 13:10:55,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:10:55,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 13:10:55,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-22 13:10:55,025 INFO L87 Difference]: Start difference. First operand 316 states and 455 transitions. Second operand has 9 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-22 13:10:55,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:10:55,771 INFO L93 Difference]: Finished difference Result 675 states and 970 transitions. [2024-11-22 13:10:55,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 13:10:55,772 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 138 [2024-11-22 13:10:55,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:10:55,774 INFO L225 Difference]: With dead ends: 675 [2024-11-22 13:10:55,774 INFO L226 Difference]: Without dead ends: 362 [2024-11-22 13:10:55,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-22 13:10:55,776 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 44 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 13:10:55,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 724 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 13:10:55,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-22 13:10:55,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 225. [2024-11-22 13:10:55,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 187 states have (on average 1.3636363636363635) internal successors, (255), 188 states have internal predecessors, (255), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-22 13:10:55,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 323 transitions. [2024-11-22 13:10:55,793 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 323 transitions. Word has length 138 [2024-11-22 13:10:55,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:10:55,794 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 323 transitions. [2024-11-22 13:10:55,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-22 13:10:55,794 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 323 transitions. [2024-11-22 13:10:55,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-22 13:10:55,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:10:55,798 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:10:55,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 13:10:55,798 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:10:55,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:10:55,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1227295722, now seen corresponding path program 1 times [2024-11-22 13:10:55,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:10:55,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922298892] [2024-11-22 13:10:55,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:55,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:10:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:10:56,231 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-22 13:10:56,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:10:56,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922298892] [2024-11-22 13:10:56,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922298892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:10:56,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:10:56,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 13:10:56,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533178632] [2024-11-22 13:10:56,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:10:56,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 13:10:56,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:10:56,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 13:10:56,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 13:10:56,234 INFO L87 Difference]: Start difference. First operand 225 states and 323 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-22 13:10:56,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:10:56,822 INFO L93 Difference]: Finished difference Result 497 states and 709 transitions. [2024-11-22 13:10:56,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 13:10:56,823 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 139 [2024-11-22 13:10:56,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:10:56,826 INFO L225 Difference]: With dead ends: 497 [2024-11-22 13:10:56,826 INFO L226 Difference]: Without dead ends: 275 [2024-11-22 13:10:56,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-22 13:10:56,828 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 261 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 13:10:56,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 302 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 13:10:56,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-22 13:10:56,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 216. [2024-11-22 13:10:56,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 178 states have (on average 1.3426966292134832) internal successors, (239), 179 states have internal predecessors, (239), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-22 13:10:56,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 307 transitions. [2024-11-22 13:10:56,854 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 307 transitions. Word has length 139 [2024-11-22 13:10:56,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:10:56,855 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 307 transitions. [2024-11-22 13:10:56,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-22 13:10:56,855 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 307 transitions. [2024-11-22 13:10:56,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-22 13:10:56,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:10:56,858 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:10:56,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 13:10:56,858 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:10:56,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:10:56,859 INFO L85 PathProgramCache]: Analyzing trace with hash 425082086, now seen corresponding path program 1 times [2024-11-22 13:10:56,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:10:56,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016051014] [2024-11-22 13:10:56,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:56,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:10:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 13:10:56,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1808413811] [2024-11-22 13:10:56,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:56,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 13:10:56,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 13:10:56,988 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 13:10:56,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 13:10:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 13:10:57,722 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 13:10:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 13:10:58,516 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 13:10:58,517 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 13:10:58,518 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 13:10:58,533 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 13:10:58,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-22 13:10:58,724 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:10:58,810 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 13:10:58,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:10:58 BoogieIcfgContainer [2024-11-22 13:10:58,812 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 13:10:58,813 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 13:10:58,813 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 13:10:58,813 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 13:10:58,814 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:10:41" (3/4) ... [2024-11-22 13:10:58,816 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-22 13:10:58,817 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 13:10:58,817 INFO L158 Benchmark]: Toolchain (without parser) took 18942.77ms. Allocated memory was 146.8MB in the beginning and 641.7MB in the end (delta: 494.9MB). Free memory was 90.3MB in the beginning and 455.7MB in the end (delta: -365.4MB). Peak memory consumption was 132.6MB. Max. memory is 16.1GB. [2024-11-22 13:10:58,818 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 146.8MB. Free memory was 112.4MB in the beginning and 112.1MB in the end (delta: 277.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 13:10:58,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.07ms. Allocated memory is still 146.8MB. Free memory was 90.2MB in the beginning and 72.1MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-22 13:10:58,818 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.83ms. Allocated memory is still 146.8MB. Free memory was 72.1MB in the beginning and 67.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 13:10:58,819 INFO L158 Benchmark]: Boogie Preprocessor took 86.52ms. Allocated memory is still 146.8MB. Free memory was 67.9MB in the beginning and 64.0MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 13:10:58,819 INFO L158 Benchmark]: RCFGBuilder took 776.00ms. Allocated memory is still 146.8MB. Free memory was 64.0MB in the beginning and 108.0MB in the end (delta: -44.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-22 13:10:58,819 INFO L158 Benchmark]: TraceAbstraction took 17643.26ms. Allocated memory was 146.8MB in the beginning and 641.7MB in the end (delta: 494.9MB). Free memory was 106.7MB in the beginning and 456.7MB in the end (delta: -350.1MB). Peak memory consumption was 145.6MB. Max. memory is 16.1GB. [2024-11-22 13:10:58,820 INFO L158 Benchmark]: Witness Printer took 4.20ms. Allocated memory is still 641.7MB. Free memory was 456.7MB in the beginning and 455.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 13:10:58,822 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 146.8MB. Free memory was 112.4MB in the beginning and 112.1MB in the end (delta: 277.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.07ms. Allocated memory is still 146.8MB. Free memory was 90.2MB in the beginning and 72.1MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.83ms. Allocated memory is still 146.8MB. Free memory was 72.1MB in the beginning and 67.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.52ms. Allocated memory is still 146.8MB. Free memory was 67.9MB in the beginning and 64.0MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 776.00ms. Allocated memory is still 146.8MB. Free memory was 64.0MB in the beginning and 108.0MB in the end (delta: -44.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 17643.26ms. Allocated memory was 146.8MB in the beginning and 641.7MB in the end (delta: 494.9MB). Free memory was 106.7MB in the beginning and 456.7MB in the end (delta: -350.1MB). Peak memory consumption was 145.6MB. Max. memory is 16.1GB. * Witness Printer took 4.20ms. Allocated memory is still 641.7MB. Free memory was 456.7MB in the beginning and 455.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 116, overapproximation of someBinaryFLOATComparisonOperation at line 107. Possible FailurePath: [L38] unsigned char isInitial = 0; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 32, -100, 5.95, 128, 200, 8, 0, 128, 1, 2.25, 16.875, -4, 10 }; [L55] signed long int last_1_WrapperStruct00_var_1_8 = -100; VAL [WrapperStruct00={4:0}, isInitial=0, last_1_WrapperStruct00_var_1_8=-100] [L120] isInitial = 1 [L121] FCALL initially() [L122] COND TRUE 1 [L123] CALL updateLastVariables() [L113] EXPR WrapperStruct00.var_1_8 [L113] last_1_WrapperStruct00_var_1_8 = WrapperStruct00.var_1_8 [L123] RET updateLastVariables() [L124] CALL updateVariables() [L85] WrapperStruct00.var_1_7 = __VERIFIER_nondet_uchar() [L86] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L86] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L86] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L87] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L87] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L87] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L88] WrapperStruct00.var_1_10 = __VERIFIER_nondet_double() [L89] EXPR WrapperStruct00.var_1_10 [L89] EXPR WrapperStruct00.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F [L89] EXPR WrapperStruct00.var_1_10 [L89] EXPR WrapperStruct00.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L89] EXPR (WrapperStruct00.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L89] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L89] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L90] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_10 != 0.0F) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L90] RET assume_abort_if_not(WrapperStruct00.var_1_10 != 0.0F) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L91] WrapperStruct00.var_1_13 = __VERIFIER_nondet_uchar() [L92] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L92] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L93] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 255) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 255) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L94] WrapperStruct00.var_1_14 = __VERIFIER_nondet_uchar() [L95] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L95] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L96] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L97] WrapperStruct00.var_1_15 = __VERIFIER_nondet_uchar() [L98] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L98] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L99] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L99] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L100] WrapperStruct00.var_1_16 = __VERIFIER_nondet_uchar() [L101] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L101] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L102] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L102] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L102] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L103] WrapperStruct00.var_1_17 = __VERIFIER_nondet_uchar() [L104] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L104] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L105] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L105] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L106] WrapperStruct00.var_1_19 = __VERIFIER_nondet_float() [L107] EXPR WrapperStruct00.var_1_19 [L107] EXPR WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F [L107] EXPR WrapperStruct00.var_1_19 [L107] EXPR WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L107] EXPR (WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L107] CALL assume_abort_if_not((WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L107] RET assume_abort_if_not((WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L108] WrapperStruct00.var_1_21 = __VERIFIER_nondet_char() [L109] EXPR WrapperStruct00.var_1_21 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_21 >= -127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L109] RET assume_abort_if_not(WrapperStruct00.var_1_21 >= -127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L110] EXPR WrapperStruct00.var_1_21 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_21 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L110] RET assume_abort_if_not(WrapperStruct00.var_1_21 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L124] RET updateVariables() [L125] CALL step() [L59] EXPR WrapperStruct00.var_1_19 [L59] WrapperStruct00.var_1_18 = WrapperStruct00.var_1_19 [L60] EXPR WrapperStruct00.var_1_21 [L60] WrapperStruct00.var_1_20 = WrapperStruct00.var_1_21 [L61] EXPR WrapperStruct00.var_1_18 [L61] EXPR WrapperStruct00.var_1_10 [L61] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L61] COND FALSE !((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) [L64] EXPR WrapperStruct00.var_1_18 [L64] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L64] COND TRUE WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10 [L65] WrapperStruct00.var_1_8 = 256 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L70] EXPR WrapperStruct00.var_1_8 [L70] EXPR WrapperStruct00.var_1_20 [L70] EXPR WrapperStruct00.var_1_8 [L70] signed long int stepLocal_0 = (WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8; [L71] EXPR WrapperStruct00.var_1_20 [L71] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100, stepLocal_0=-65536] [L71] EXPR ((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8) [L71] EXPR WrapperStruct00.var_1_8 [L71] EXPR ((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100, stepLocal_0=-65536] [L71] COND TRUE stepLocal_0 < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8))) [L72] EXPR WrapperStruct00.var_1_7 [L72] WrapperStruct00.var_1_1 = WrapperStruct00.var_1_7 [L76] EXPR WrapperStruct00.var_1_1 [L76] EXPR WrapperStruct00.var_1_13 [L76] EXPR WrapperStruct00.var_1_14 [L76] (WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14)) && WrapperStruct00.var_1_15 [L76] EXPR WrapperStruct00.var_1_15 [L76] (WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14)) && WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L76] COND FALSE !((WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14)) && WrapperStruct00.var_1_15) [L81] EXPR WrapperStruct00.var_1_17 [L81] WrapperStruct00.var_1_12 = WrapperStruct00.var_1_17 [L125] RET step() [L126] CALL, EXPR property() [L116] EXPR WrapperStruct00.var_1_8 [L116] EXPR WrapperStruct00.var_1_20 [L116] EXPR WrapperStruct00.var_1_8 [L116] EXPR WrapperStruct00.var_1_20 [L116] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L116] EXPR ((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8) [L116] EXPR WrapperStruct00.var_1_8 [L116] EXPR ((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L116] EXPR (((WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8) < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) [L116] EXPR WrapperStruct00.var_1_1 [L116] EXPR WrapperStruct00.var_1_7 [L116] EXPR (((WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8) < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L116] EXPR ((((WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8) < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && (((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) ? (WrapperStruct00.var_1_8 == ((signed long int) ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20))) : ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20)))) [L116] EXPR WrapperStruct00.var_1_18 [L116] EXPR WrapperStruct00.var_1_10 [L116] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L116] EXPR ((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) ? (WrapperStruct00.var_1_8 == ((signed long int) ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20))) : ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20))) [L116] EXPR WrapperStruct00.var_1_8 [L116] EXPR WrapperStruct00.var_1_20 [L116] EXPR WrapperStruct00.var_1_7 [L116] EXPR WrapperStruct00.var_1_20 [L116] EXPR ((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) ? (WrapperStruct00.var_1_8 == ((signed long int) ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20))) : ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L116] EXPR ((((WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8) < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && (((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) ? (WrapperStruct00.var_1_8 == ((signed long int) ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20))) : ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20)))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L116] EXPR (((((WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8) < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && (((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) ? (WrapperStruct00.var_1_8 == ((signed long int) ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20))) : ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20))))) && (((WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14)) && WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_15 ? (WrapperStruct00.var_1_12 == ((unsigned char) (((((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_7))))) : 1) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_17))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L116] EXPR ((((((WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8) < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && (((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) ? (WrapperStruct00.var_1_8 == ((signed long int) ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20))) : ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20))))) && (((WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14)) && WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_15 ? (WrapperStruct00.var_1_12 == ((unsigned char) (((((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_7))))) : 1) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_17)))) && (WrapperStruct00.var_1_18 == ((float) WrapperStruct00.var_1_19)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L116] EXPR (((((((WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8) < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && (((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) ? (WrapperStruct00.var_1_8 == ((signed long int) ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20))) : ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20))))) && (((WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14)) && WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_15 ? (WrapperStruct00.var_1_12 == ((unsigned char) (((((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_7))))) : 1) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_17)))) && (WrapperStruct00.var_1_18 == ((float) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_20 == ((signed char) WrapperStruct00.var_1_21)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L116-L117] return (((((((WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8) < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && (((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) ? (WrapperStruct00.var_1_8 == ((signed long int) ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20))) : ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20))))) && (((WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14)) && WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_15 ? (WrapperStruct00.var_1_12 == ((unsigned char) (((((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_7))))) : 1) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_17)))) && (WrapperStruct00.var_1_18 == ((float) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_20 == ((signed char) WrapperStruct00.var_1_21)) ; [L126] RET, EXPR property() [L126] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 97 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.5s, OverallIterations: 9, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1384 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1382 mSDsluCounter, 4114 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3050 mSDsCounter, 379 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3029 IncrementalHoareTripleChecker+Invalid, 3408 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 379 mSolverCounterUnsat, 1064 mSDtfsCounter, 3029 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 268 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=316occurred in iteration=6, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 553 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 1511 NumberOfCodeBlocks, 1511 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1224 ConstructedInterpolants, 0 QuantifiedInterpolants, 3018 SizeOfPredicates, 0 NumberOfNonLiveVariables, 517 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 4864/4896 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-22 13:10:58,854 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 ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-75.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 aae2fa1a6f385f97337cc2b739ec0b65ccf727ece5077a08bd3db09419c3a3cc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 13:11:01,099 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 13:11:01,170 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-22 13:11:01,180 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 13:11:01,181 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 13:11:01,213 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 13:11:01,214 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 13:11:01,214 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 13:11:01,215 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 13:11:01,216 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 13:11:01,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 13:11:01,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 13:11:01,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 13:11:01,219 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 13:11:01,219 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 13:11:01,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 13:11:01,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 13:11:01,220 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 13:11:01,224 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 13:11:01,224 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 13:11:01,224 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 13:11:01,225 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 13:11:01,226 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 13:11:01,226 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 13:11:01,226 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-22 13:11:01,226 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 13:11:01,227 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-22 13:11:01,227 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 13:11:01,227 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 13:11:01,227 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 13:11:01,228 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 13:11:01,228 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 13:11:01,228 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 13:11:01,229 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 13:11:01,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 13:11:01,230 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 13:11:01,230 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 13:11:01,231 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 13:11:01,231 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-22 13:11:01,231 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-22 13:11:01,231 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 13:11:01,232 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 13:11:01,232 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 13:11:01,232 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 13:11:01,233 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aae2fa1a6f385f97337cc2b739ec0b65ccf727ece5077a08bd3db09419c3a3cc [2024-11-22 13:11:01,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 13:11:01,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 13:11:01,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 13:11:01,583 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 13:11:01,583 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 13:11:01,584 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-75.i [2024-11-22 13:11:03,133 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 13:11:03,367 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 13:11:03,367 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-75.i [2024-11-22 13:11:03,382 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aada9738/e07537053be1404bb97201dbd3a50c06/FLAG63aa77769 [2024-11-22 13:11:03,399 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aada9738/e07537053be1404bb97201dbd3a50c06 [2024-11-22 13:11:03,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 13:11:03,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 13:11:03,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 13:11:03,407 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 13:11:03,412 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 13:11:03,413 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:11:03" (1/1) ... [2024-11-22 13:11:03,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@149924f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:03, skipping insertion in model container [2024-11-22 13:11:03,415 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:11:03" (1/1) ... [2024-11-22 13:11:03,454 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 13:11:03,630 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-75.i[916,929] [2024-11-22 13:11:03,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 13:11:03,721 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 13:11:03,736 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-75.i[916,929] [2024-11-22 13:11:03,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 13:11:03,817 INFO L204 MainTranslator]: Completed translation [2024-11-22 13:11:03,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:03 WrapperNode [2024-11-22 13:11:03,818 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 13:11:03,819 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 13:11:03,819 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 13:11:03,819 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 13:11:03,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:03" (1/1) ... [2024-11-22 13:11:03,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:03" (1/1) ... [2024-11-22 13:11:03,892 INFO L138 Inliner]: procedures = 37, calls = 160, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 459 [2024-11-22 13:11:03,892 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 13:11:03,893 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 13:11:03,893 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 13:11:03,893 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 13:11:03,904 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:03" (1/1) ... [2024-11-22 13:11:03,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:03" (1/1) ... [2024-11-22 13:11:03,914 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:03" (1/1) ... [2024-11-22 13:11:03,945 INFO L175 MemorySlicer]: Split 132 memory accesses to 2 slices as follows [2, 130]. 98 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 33 writes are split as follows [0, 33]. [2024-11-22 13:11:03,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:03" (1/1) ... [2024-11-22 13:11:03,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:03" (1/1) ... [2024-11-22 13:11:03,978 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:03" (1/1) ... [2024-11-22 13:11:03,984 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:03" (1/1) ... [2024-11-22 13:11:03,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:03" (1/1) ... [2024-11-22 13:11:03,995 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:03" (1/1) ... [2024-11-22 13:11:04,001 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 13:11:04,006 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 13:11:04,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 13:11:04,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 13:11:04,007 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:03" (1/1) ... [2024-11-22 13:11:04,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 13:11:04,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 13:11:04,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 13:11:04,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 13:11:04,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 13:11:04,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-22 13:11:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-22 13:11:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#0 [2024-11-22 13:11:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#1 [2024-11-22 13:11:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-22 13:11:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-22 13:11:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-22 13:11:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-22 13:11:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-22 13:11:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-22 13:11:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-22 13:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-22 13:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-22 13:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-22 13:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-22 13:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-22 13:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-22 13:11:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-22 13:11:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-22 13:11:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-22 13:11:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 13:11:04,091 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 13:11:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-22 13:11:04,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-22 13:11:04,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 13:11:04,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 13:11:04,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-22 13:11:04,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-22 13:11:04,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-22 13:11:04,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-22 13:11:04,226 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 13:11:04,228 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 13:11:23,616 INFO L? ?]: Removed 113 outVars from TransFormulas that were not future-live. [2024-11-22 13:11:23,616 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 13:11:23,633 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 13:11:23,633 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 13:11:23,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:11:23 BoogieIcfgContainer [2024-11-22 13:11:23,634 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 13:11:23,635 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 13:11:23,636 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 13:11:23,638 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 13:11:23,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:11:03" (1/3) ... [2024-11-22 13:11:23,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@709e9e80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:11:23, skipping insertion in model container [2024-11-22 13:11:23,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:11:03" (2/3) ... [2024-11-22 13:11:23,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@709e9e80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:11:23, skipping insertion in model container [2024-11-22 13:11:23,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:11:23" (3/3) ... [2024-11-22 13:11:23,641 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-75.i [2024-11-22 13:11:23,657 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 13:11:23,658 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 13:11:23,726 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 13:11:23,733 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;@581b86a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 13:11:23,733 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 13:11:23,738 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 77 states have (on average 1.4025974025974026) internal successors, (108), 78 states have internal predecessors, (108), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 13:11:23,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-22 13:11:23,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:11:23,754 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:11:23,755 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:11:23,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:11:23,761 INFO L85 PathProgramCache]: Analyzing trace with hash -580300777, now seen corresponding path program 1 times [2024-11-22 13:11:23,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:11:23,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1587012319] [2024-11-22 13:11:23,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:23,778 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:11:23,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:11:23,782 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:11:23,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-22 13:11:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:11:25,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 13:11:25,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:11:25,395 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-11-22 13:11:25,397 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:11:25,398 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:11:25,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1587012319] [2024-11-22 13:11:25,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1587012319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:11:25,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:11:25,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 13:11:25,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367869287] [2024-11-22 13:11:25,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:11:25,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 13:11:25,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:11:25,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 13:11:25,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 13:11:25,428 INFO L87 Difference]: Start difference. First operand has 97 states, 77 states have (on average 1.4025974025974026) internal successors, (108), 78 states have internal predecessors, (108), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-22 13:11:25,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:11:25,461 INFO L93 Difference]: Finished difference Result 187 states and 295 transitions. [2024-11-22 13:11:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 13:11:25,464 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 136 [2024-11-22 13:11:25,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:11:25,474 INFO L225 Difference]: With dead ends: 187 [2024-11-22 13:11:25,474 INFO L226 Difference]: Without dead ends: 93 [2024-11-22 13:11:25,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 13:11:25,482 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 13:11:25,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 13:11:25,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-22 13:11:25,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-22 13:11:25,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 74 states have (on average 1.364864864864865) internal successors, (101), 74 states have internal predecessors, (101), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 13:11:25,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 135 transitions. [2024-11-22 13:11:25,530 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 135 transitions. Word has length 136 [2024-11-22 13:11:25,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:11:25,531 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 135 transitions. [2024-11-22 13:11:25,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-22 13:11:25,531 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions. [2024-11-22 13:11:25,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-22 13:11:25,537 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:11:25,537 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:11:25,584 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 [2024-11-22 13:11:25,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:11:25,739 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:11:25,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:11:25,740 INFO L85 PathProgramCache]: Analyzing trace with hash -356859511, now seen corresponding path program 1 times [2024-11-22 13:11:25,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:11:25,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1759308722] [2024-11-22 13:11:25,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:25,742 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:11:25,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:11:25,745 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:11:25,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-22 13:11:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:11:27,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 13:11:27,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:11:27,651 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-22 13:11:27,651 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:11:27,652 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:11:27,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1759308722] [2024-11-22 13:11:27,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1759308722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:11:27,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:11:27,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 13:11:27,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411624227] [2024-11-22 13:11:27,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:11:27,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 13:11:27,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:11:27,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 13:11:27,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 13:11:27,656 INFO L87 Difference]: Start difference. First operand 93 states and 135 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-22 13:11:28,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:11:28,140 INFO L93 Difference]: Finished difference Result 185 states and 270 transitions. [2024-11-22 13:11:28,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 13:11:28,146 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 136 [2024-11-22 13:11:28,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:11:28,147 INFO L225 Difference]: With dead ends: 185 [2024-11-22 13:11:28,148 INFO L226 Difference]: Without dead ends: 95 [2024-11-22 13:11:28,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 13:11:28,152 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 13:11:28,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 388 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 13:11:28,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-22 13:11:28,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-22 13:11:28,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 76 states have (on average 1.355263157894737) internal successors, (103), 76 states have internal predecessors, (103), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 13:11:28,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 137 transitions. [2024-11-22 13:11:28,176 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 137 transitions. Word has length 136 [2024-11-22 13:11:28,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:11:28,179 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 137 transitions. [2024-11-22 13:11:28,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-22 13:11:28,180 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2024-11-22 13:11:28,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-22 13:11:28,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:11:28,185 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:11:28,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-22 13:11:28,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:11:28,386 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:11:28,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:11:28,386 INFO L85 PathProgramCache]: Analyzing trace with hash 925312775, now seen corresponding path program 1 times [2024-11-22 13:11:28,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:11:28,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [767530405] [2024-11-22 13:11:28,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:28,388 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:11:28,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:11:28,389 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:11:28,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-22 13:11:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:11:29,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 13:11:29,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:11:30,488 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-22 13:11:30,488 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:11:30,488 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:11:30,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [767530405] [2024-11-22 13:11:30,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [767530405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:11:30,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:11:30,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 13:11:30,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849838808] [2024-11-22 13:11:30,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:11:30,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 13:11:30,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:11:30,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 13:11:30,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 13:11:30,492 INFO L87 Difference]: Start difference. First operand 95 states and 137 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:11:31,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:11:31,337 INFO L93 Difference]: Finished difference Result 192 states and 278 transitions. [2024-11-22 13:11:31,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 13:11:31,337 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 136 [2024-11-22 13:11:31,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:11:31,343 INFO L225 Difference]: With dead ends: 192 [2024-11-22 13:11:31,345 INFO L226 Difference]: Without dead ends: 100 [2024-11-22 13:11:31,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 13:11:31,347 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 1 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-22 13:11:31,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 504 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-22 13:11:31,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-22 13:11:31,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 99. [2024-11-22 13:11:31,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 80 states have (on average 1.3375) internal successors, (107), 80 states have internal predecessors, (107), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 13:11:31,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2024-11-22 13:11:31,358 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 136 [2024-11-22 13:11:31,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:11:31,358 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2024-11-22 13:11:31,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:11:31,359 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2024-11-22 13:11:31,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-22 13:11:31,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:11:31,361 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:11:31,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-22 13:11:31,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:11:31,562 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:11:31,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:11:31,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1594647159, now seen corresponding path program 1 times [2024-11-22 13:11:31,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:11:31,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [175350586] [2024-11-22 13:11:31,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:31,564 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:11:31,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:11:31,567 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:11:31,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-22 13:11:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:11:33,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 13:11:33,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:11:34,057 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-22 13:11:34,059 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:11:34,060 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:11:34,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [175350586] [2024-11-22 13:11:34,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [175350586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:11:34,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:11:34,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 13:11:34,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694349454] [2024-11-22 13:11:34,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:11:34,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 13:11:34,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:11:34,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 13:11:34,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 13:11:34,062 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:11:35,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:11:35,362 INFO L93 Difference]: Finished difference Result 198 states and 283 transitions. [2024-11-22 13:11:35,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 13:11:35,362 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 136 [2024-11-22 13:11:35,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:11:35,364 INFO L225 Difference]: With dead ends: 198 [2024-11-22 13:11:35,364 INFO L226 Difference]: Without dead ends: 102 [2024-11-22 13:11:35,365 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 13:11:35,366 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 1 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-22 13:11:35,368 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 624 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-22 13:11:35,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-22 13:11:35,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 101. [2024-11-22 13:11:35,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 82 states have (on average 1.329268292682927) internal successors, (109), 82 states have internal predecessors, (109), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 13:11:35,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 143 transitions. [2024-11-22 13:11:35,383 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 143 transitions. Word has length 136 [2024-11-22 13:11:35,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:11:35,384 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 143 transitions. [2024-11-22 13:11:35,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:11:35,384 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 143 transitions. [2024-11-22 13:11:35,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-22 13:11:35,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:11:35,386 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:11:35,421 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 (5)] Forceful destruction successful, exit code 0 [2024-11-22 13:11:35,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:11:35,587 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:11:35,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:11:35,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1592800117, now seen corresponding path program 1 times [2024-11-22 13:11:35,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:11:35,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [344932370] [2024-11-22 13:11:35,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:35,589 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:11:35,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:11:35,590 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:11:35,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-22 13:11:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:11:37,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 13:11:37,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:11:37,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-22 13:11:37,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-22 13:11:39,055 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:11:39,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 29 [2024-11-22 13:11:40,079 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:11:40,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 29 [2024-11-22 13:11:41,348 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:11:41,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 26 [2024-11-22 13:11:42,705 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-22 13:11:42,705 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:11:42,705 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:11:42,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [344932370] [2024-11-22 13:11:42,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [344932370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:11:42,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:11:42,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-22 13:11:42,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820840813] [2024-11-22 13:11:42,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:11:42,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 13:11:42,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:11:42,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 13:11:42,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-22 13:11:42,708 INFO L87 Difference]: Start difference. First operand 101 states and 143 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:11:47,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 13:11:56,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.55s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 13:12:00,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []