./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-51.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-51.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 abdeae89f68926168a979793b9e178793666804156bbffb81f0dbc32b2012e6a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 23:18:14,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 23:18:14,212 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 23:18:14,218 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 23:18:14,220 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 23:18:14,249 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 23:18:14,250 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 23:18:14,250 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 23:18:14,251 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 23:18:14,251 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 23:18:14,251 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 23:18:14,252 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 23:18:14,253 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 23:18:14,254 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 23:18:14,257 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 23:18:14,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 23:18:14,257 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 23:18:14,258 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 23:18:14,258 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 23:18:14,258 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 23:18:14,258 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 23:18:14,262 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 23:18:14,263 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 23:18:14,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 23:18:14,263 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 23:18:14,263 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 23:18:14,264 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 23:18:14,264 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 23:18:14,264 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 23:18:14,264 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 23:18:14,265 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 23:18:14,265 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 23:18:14,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:18:14,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 23:18:14,266 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 23:18:14,282 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 23:18:14,284 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 23:18:14,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 23:18:14,284 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 23:18:14,284 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 23:18:14,284 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 23:18:14,285 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 23:18:14,285 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abdeae89f68926168a979793b9e178793666804156bbffb81f0dbc32b2012e6a [2024-11-18 23:18:14,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 23:18:14,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 23:18:14,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 23:18:14,616 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 23:18:14,616 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 23:18:14,618 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-51.i [2024-11-18 23:18:16,074 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 23:18:16,313 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 23:18:16,314 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-51.i [2024-11-18 23:18:16,323 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e71dfb9d3/d8515af252d14cb7a095dd8cbfa653fe/FLAG921fcdf74 [2024-11-18 23:18:16,336 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e71dfb9d3/d8515af252d14cb7a095dd8cbfa653fe [2024-11-18 23:18:16,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 23:18:16,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 23:18:16,341 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 23:18:16,341 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 23:18:16,347 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 23:18:16,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:18:16" (1/1) ... [2024-11-18 23:18:16,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f6d5c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:16, skipping insertion in model container [2024-11-18 23:18:16,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:18:16" (1/1) ... [2024-11-18 23:18:16,383 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 23:18:16,564 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_loopvsstraightlinecode_50-while_file-51.i[915,928] [2024-11-18 23:18:16,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:18:16,666 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 23:18:16,681 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_loopvsstraightlinecode_50-while_file-51.i[915,928] [2024-11-18 23:18:16,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:18:16,750 INFO L204 MainTranslator]: Completed translation [2024-11-18 23:18:16,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:16 WrapperNode [2024-11-18 23:18:16,751 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 23:18:16,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 23:18:16,752 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 23:18:16,752 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 23:18:16,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:16" (1/1) ... [2024-11-18 23:18:16,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:16" (1/1) ... [2024-11-18 23:18:16,818 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 151 [2024-11-18 23:18:16,819 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 23:18:16,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 23:18:16,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 23:18:16,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 23:18:16,841 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:16" (1/1) ... [2024-11-18 23:18:16,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:16" (1/1) ... [2024-11-18 23:18:16,844 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:16" (1/1) ... [2024-11-18 23:18:16,868 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-18 23:18:16,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:16" (1/1) ... [2024-11-18 23:18:16,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:16" (1/1) ... [2024-11-18 23:18:16,886 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:16" (1/1) ... [2024-11-18 23:18:16,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:16" (1/1) ... [2024-11-18 23:18:16,898 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:16" (1/1) ... [2024-11-18 23:18:16,900 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:16" (1/1) ... [2024-11-18 23:18:16,903 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 23:18:16,908 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 23:18:16,908 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 23:18:16,912 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 23:18:16,913 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:16" (1/1) ... [2024-11-18 23:18:16,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:18:16,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:18:16,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 23:18:16,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 23:18:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 23:18:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 23:18:16,994 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 23:18:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 23:18:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 23:18:16,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 23:18:17,076 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 23:18:17,078 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 23:18:17,380 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-18 23:18:17,380 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 23:18:17,400 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 23:18:17,401 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 23:18:17,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:18:17 BoogieIcfgContainer [2024-11-18 23:18:17,401 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 23:18:17,404 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 23:18:17,404 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 23:18:17,408 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 23:18:17,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:18:16" (1/3) ... [2024-11-18 23:18:17,409 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4241e46c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:18:17, skipping insertion in model container [2024-11-18 23:18:17,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:16" (2/3) ... [2024-11-18 23:18:17,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4241e46c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:18:17, skipping insertion in model container [2024-11-18 23:18:17,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:18:17" (3/3) ... [2024-11-18 23:18:17,412 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-51.i [2024-11-18 23:18:17,429 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 23:18:17,429 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 23:18:17,507 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 23:18:17,514 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;@347ad8f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 23:18:17,514 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 23:18:17,519 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 44 states have internal predecessors, (60), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-18 23:18:17,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-18 23:18:17,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:18:17,530 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:18:17,530 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:18:17,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:18:17,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1740960990, now seen corresponding path program 1 times [2024-11-18 23:18:17,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:18:17,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020185439] [2024-11-18 23:18:17,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:18:17,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:18:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:18:17,878 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-11-18 23:18:17,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:18:17,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020185439] [2024-11-18 23:18:17,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020185439] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 23:18:17,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509746851] [2024-11-18 23:18:17,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:18:17,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 23:18:17,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:18:17,884 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 23:18:17,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 23:18:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:18:18,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 23:18:18,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:18:18,117 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-11-18 23:18:18,120 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 23:18:18,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509746851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:18:18,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 23:18:18,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-18 23:18:18,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408244441] [2024-11-18 23:18:18,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:18:18,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 23:18:18,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:18:18,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 23:18:18,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:18:18,152 INFO L87 Difference]: Start difference. First operand has 67 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 44 states have internal predecessors, (60), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-18 23:18:18,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:18:18,177 INFO L93 Difference]: Finished difference Result 127 states and 219 transitions. [2024-11-18 23:18:18,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 23:18:18,179 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 135 [2024-11-18 23:18:18,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:18:18,187 INFO L225 Difference]: With dead ends: 127 [2024-11-18 23:18:18,187 INFO L226 Difference]: Without dead ends: 63 [2024-11-18 23:18:18,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:18:18,194 INFO L432 NwaCegarLoop]: 95 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, 95 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 23:18:18,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 23:18:18,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-18 23:18:18,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-18 23:18:18,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 40 states have (on average 1.325) internal successors, (53), 40 states have internal predecessors, (53), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-18 23:18:18,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 95 transitions. [2024-11-18 23:18:18,243 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 95 transitions. Word has length 135 [2024-11-18 23:18:18,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:18:18,243 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 95 transitions. [2024-11-18 23:18:18,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-18 23:18:18,244 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions. [2024-11-18 23:18:18,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-18 23:18:18,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:18:18,247 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:18:18,261 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-18 23:18:18,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-18 23:18:18,448 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:18:18,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:18:18,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1440285028, now seen corresponding path program 1 times [2024-11-18 23:18:18,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:18:18,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942134646] [2024-11-18 23:18:18,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:18:18,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:18:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:18:18,984 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-18 23:18:18,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:18:18,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942134646] [2024-11-18 23:18:18,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942134646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:18:18,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:18:18,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 23:18:18,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19818442] [2024-11-18 23:18:18,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:18:18,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 23:18:18,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:18:18,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 23:18:18,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 23:18:18,988 INFO L87 Difference]: Start difference. First operand 63 states and 95 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-18 23:18:19,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:18:19,175 INFO L93 Difference]: Finished difference Result 184 states and 280 transitions. [2024-11-18 23:18:19,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 23:18:19,176 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 135 [2024-11-18 23:18:19,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:18:19,178 INFO L225 Difference]: With dead ends: 184 [2024-11-18 23:18:19,179 INFO L226 Difference]: Without dead ends: 124 [2024-11-18 23:18:19,180 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-18 23:18:19,181 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 71 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 23:18:19,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 261 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 23:18:19,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-18 23:18:19,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 103. [2024-11-18 23:18:19,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 58 states have internal predecessors, (71), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-18 23:18:19,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 155 transitions. [2024-11-18 23:18:19,214 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 155 transitions. Word has length 135 [2024-11-18 23:18:19,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:18:19,215 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 155 transitions. [2024-11-18 23:18:19,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-18 23:18:19,216 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 155 transitions. [2024-11-18 23:18:19,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-18 23:18:19,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:18:19,219 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:18:19,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 23:18:19,220 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:18:19,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:18:19,221 INFO L85 PathProgramCache]: Analyzing trace with hash -810717471, now seen corresponding path program 1 times [2024-11-18 23:18:19,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:18:19,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971034411] [2024-11-18 23:18:19,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:18:19,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:18:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:18:19,646 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-18 23:18:19,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:18:19,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971034411] [2024-11-18 23:18:19,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971034411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:18:19,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:18:19,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 23:18:19,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085824408] [2024-11-18 23:18:19,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:18:19,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 23:18:19,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:18:19,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 23:18:19,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 23:18:19,650 INFO L87 Difference]: Start difference. First operand 103 states and 155 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-18 23:18:19,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:18:19,887 INFO L93 Difference]: Finished difference Result 230 states and 346 transitions. [2024-11-18 23:18:19,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 23:18:19,888 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 136 [2024-11-18 23:18:19,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:18:19,893 INFO L225 Difference]: With dead ends: 230 [2024-11-18 23:18:19,894 INFO L226 Difference]: Without dead ends: 170 [2024-11-18 23:18:19,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-18 23:18:19,896 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 82 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 23:18:19,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 318 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 23:18:19,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-18 23:18:19,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 161. [2024-11-18 23:18:19,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 94 states have (on average 1.2659574468085106) internal successors, (119), 94 states have internal predecessors, (119), 63 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-18 23:18:19,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 245 transitions. [2024-11-18 23:18:19,938 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 245 transitions. Word has length 136 [2024-11-18 23:18:19,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:18:19,938 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 245 transitions. [2024-11-18 23:18:19,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-18 23:18:19,939 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 245 transitions. [2024-11-18 23:18:19,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-18 23:18:19,946 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:18:19,946 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:18:19,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 23:18:19,946 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:18:19,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:18:19,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1205819797, now seen corresponding path program 1 times [2024-11-18 23:18:19,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:18:19,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335997159] [2024-11-18 23:18:19,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:18:19,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:18:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:18:20,197 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-18 23:18:20,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:18:20,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335997159] [2024-11-18 23:18:20,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335997159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:18:20,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:18:20,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 23:18:20,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362348947] [2024-11-18 23:18:20,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:18:20,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 23:18:20,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:18:20,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 23:18:20,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 23:18:20,204 INFO L87 Difference]: Start difference. First operand 161 states and 245 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-18 23:18:20,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:18:20,402 INFO L93 Difference]: Finished difference Result 397 states and 609 transitions. [2024-11-18 23:18:20,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 23:18:20,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 137 [2024-11-18 23:18:20,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:18:20,410 INFO L225 Difference]: With dead ends: 397 [2024-11-18 23:18:20,411 INFO L226 Difference]: Without dead ends: 279 [2024-11-18 23:18:20,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-18 23:18:20,413 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 77 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 23:18:20,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 244 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 23:18:20,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2024-11-18 23:18:20,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 277. [2024-11-18 23:18:20,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 166 states have (on average 1.2891566265060241) internal successors, (214), 166 states have internal predecessors, (214), 105 states have call successors, (105), 5 states have call predecessors, (105), 5 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-18 23:18:20,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 424 transitions. [2024-11-18 23:18:20,483 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 424 transitions. Word has length 137 [2024-11-18 23:18:20,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:18:20,485 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 424 transitions. [2024-11-18 23:18:20,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-18 23:18:20,485 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 424 transitions. [2024-11-18 23:18:20,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-18 23:18:20,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:18:20,488 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:18:20,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 23:18:20,489 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:18:20,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:18:20,489 INFO L85 PathProgramCache]: Analyzing trace with hash 812792787, now seen corresponding path program 1 times [2024-11-18 23:18:20,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:18:20,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187408335] [2024-11-18 23:18:20,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:18:20,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:18:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:18:20,669 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-18 23:18:20,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:18:20,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187408335] [2024-11-18 23:18:20,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187408335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:18:20,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:18:20,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 23:18:20,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504281782] [2024-11-18 23:18:20,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:18:20,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 23:18:20,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:18:20,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 23:18:20,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 23:18:20,677 INFO L87 Difference]: Start difference. First operand 277 states and 424 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-18 23:18:20,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:18:20,738 INFO L93 Difference]: Finished difference Result 521 states and 802 transitions. [2024-11-18 23:18:20,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 23:18:20,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 137 [2024-11-18 23:18:20,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:18:20,743 INFO L225 Difference]: With dead ends: 521 [2024-11-18 23:18:20,745 INFO L226 Difference]: Without dead ends: 287 [2024-11-18 23:18:20,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 23:18:20,747 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 17 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 23:18:20,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 193 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 23:18:20,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-18 23:18:20,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 277. [2024-11-18 23:18:20,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 166 states have (on average 1.2650602409638554) internal successors, (210), 166 states have internal predecessors, (210), 105 states have call successors, (105), 5 states have call predecessors, (105), 5 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-18 23:18:20,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 420 transitions. [2024-11-18 23:18:20,835 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 420 transitions. Word has length 137 [2024-11-18 23:18:20,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:18:20,836 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 420 transitions. [2024-11-18 23:18:20,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-18 23:18:20,836 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 420 transitions. [2024-11-18 23:18:20,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-18 23:18:20,838 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:18:20,838 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:18:20,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 23:18:20,839 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:18:20,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:18:20,839 INFO L85 PathProgramCache]: Analyzing trace with hash 463284182, now seen corresponding path program 1 times [2024-11-18 23:18:20,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:18:20,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998823103] [2024-11-18 23:18:20,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:18:20,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:18:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:18:21,099 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-18 23:18:21,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:18:21,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998823103] [2024-11-18 23:18:21,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998823103] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 23:18:21,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671454989] [2024-11-18 23:18:21,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:18:21,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 23:18:21,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:18:21,106 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 23:18:21,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-18 23:18:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:18:21,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-18 23:18:21,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:18:21,405 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 36 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-11-18 23:18:21,406 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 23:18:21,649 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-18 23:18:21,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671454989] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 23:18:21,650 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 23:18:21,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-18 23:18:21,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827108434] [2024-11-18 23:18:21,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 23:18:21,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 23:18:21,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:18:21,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 23:18:21,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-18 23:18:21,653 INFO L87 Difference]: Start difference. First operand 277 states and 420 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2024-11-18 23:18:21,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:18:21,849 INFO L93 Difference]: Finished difference Result 425 states and 625 transitions. [2024-11-18 23:18:21,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-18 23:18:21,850 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 138 [2024-11-18 23:18:21,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:18:21,853 INFO L225 Difference]: With dead ends: 425 [2024-11-18 23:18:21,853 INFO L226 Difference]: Without dead ends: 307 [2024-11-18 23:18:21,854 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-18 23:18:21,855 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 75 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 23:18:21,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 152 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 23:18:21,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-11-18 23:18:21,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 173. [2024-11-18 23:18:21,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 103 states have (on average 1.203883495145631) internal successors, (124), 103 states have internal predecessors, (124), 63 states have call successors, (63), 6 states have call predecessors, (63), 6 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-18 23:18:21,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 250 transitions. [2024-11-18 23:18:21,904 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 250 transitions. Word has length 138 [2024-11-18 23:18:21,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:18:21,904 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 250 transitions. [2024-11-18 23:18:21,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2024-11-18 23:18:21,905 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 250 transitions. [2024-11-18 23:18:21,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-18 23:18:21,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:18:21,907 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:18:21,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-18 23:18:22,110 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,SelfDestructingSolverStorable5 [2024-11-18 23:18:22,111 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:18:22,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:18:22,112 INFO L85 PathProgramCache]: Analyzing trace with hash 70257172, now seen corresponding path program 1 times [2024-11-18 23:18:22,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:18:22,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052549205] [2024-11-18 23:18:22,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:18:22,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:18:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:18:22,450 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 54 proven. 6 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-18 23:18:22,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:18:22,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052549205] [2024-11-18 23:18:22,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052549205] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 23:18:22,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384285907] [2024-11-18 23:18:22,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:18:22,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 23:18:22,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:18:22,453 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 23:18:22,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-18 23:18:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:18:22,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-18 23:18:22,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:18:22,662 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 200 proven. 6 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2024-11-18 23:18:22,663 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 23:18:22,821 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 54 proven. 6 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-18 23:18:22,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384285907] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 23:18:22,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 23:18:22,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2024-11-18 23:18:22,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379519568] [2024-11-18 23:18:22,823 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 23:18:22,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 23:18:22,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:18:22,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 23:18:22,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-18 23:18:22,824 INFO L87 Difference]: Start difference. First operand 173 states and 250 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-18 23:18:23,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:18:23,267 INFO L93 Difference]: Finished difference Result 347 states and 486 transitions. [2024-11-18 23:18:23,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-18 23:18:23,268 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 138 [2024-11-18 23:18:23,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:18:23,270 INFO L225 Difference]: With dead ends: 347 [2024-11-18 23:18:23,270 INFO L226 Difference]: Without dead ends: 283 [2024-11-18 23:18:23,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 273 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2024-11-18 23:18:23,272 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 113 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 23:18:23,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 317 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 23:18:23,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-18 23:18:23,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 191. [2024-11-18 23:18:23,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 118 states have (on average 1.1779661016949152) internal successors, (139), 118 states have internal predecessors, (139), 63 states have call successors, (63), 9 states have call predecessors, (63), 9 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-18 23:18:23,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 265 transitions. [2024-11-18 23:18:23,319 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 265 transitions. Word has length 138 [2024-11-18 23:18:23,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:18:23,319 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 265 transitions. [2024-11-18 23:18:23,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-18 23:18:23,320 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 265 transitions. [2024-11-18 23:18:23,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-18 23:18:23,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:18:23,322 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:18:23,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-18 23:18:23,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 23:18:23,526 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:18:23,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:18:23,527 INFO L85 PathProgramCache]: Analyzing trace with hash -2061646100, now seen corresponding path program 1 times [2024-11-18 23:18:23,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:18:23,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589081440] [2024-11-18 23:18:23,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:18:23,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:18:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 23:18:23,581 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 23:18:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 23:18:23,698 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 23:18:23,699 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 23:18:23,700 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 23:18:23,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-18 23:18:23,705 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:18:23,808 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 23:18:23,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:18:23 BoogieIcfgContainer [2024-11-18 23:18:23,812 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 23:18:23,813 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 23:18:23,813 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 23:18:23,813 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 23:18:23,814 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:18:17" (3/4) ... [2024-11-18 23:18:23,816 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-18 23:18:23,818 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 23:18:23,821 INFO L158 Benchmark]: Toolchain (without parser) took 7481.44ms. Allocated memory was 178.3MB in the beginning and 257.9MB in the end (delta: 79.7MB). Free memory was 147.9MB in the beginning and 80.2MB in the end (delta: 67.7MB). Peak memory consumption was 147.5MB. Max. memory is 16.1GB. [2024-11-18 23:18:23,821 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 178.3MB. Free memory is still 147.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 23:18:23,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.08ms. Allocated memory is still 178.3MB. Free memory was 147.7MB in the beginning and 137.1MB in the end (delta: 10.6MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-11-18 23:18:23,822 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.99ms. Allocated memory is still 178.3MB. Free memory was 137.1MB in the beginning and 135.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 23:18:23,822 INFO L158 Benchmark]: Boogie Preprocessor took 84.54ms. Allocated memory is still 178.3MB. Free memory was 135.0MB in the beginning and 131.6MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 23:18:23,823 INFO L158 Benchmark]: RCFGBuilder took 493.58ms. Allocated memory is still 178.3MB. Free memory was 130.8MB in the beginning and 133.8MB in the end (delta: -3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-18 23:18:23,823 INFO L158 Benchmark]: TraceAbstraction took 6408.61ms. Allocated memory was 178.3MB in the beginning and 257.9MB in the end (delta: 79.7MB). Free memory was 132.6MB in the beginning and 81.2MB in the end (delta: 51.4MB). Peak memory consumption was 132.1MB. Max. memory is 16.1GB. [2024-11-18 23:18:23,823 INFO L158 Benchmark]: Witness Printer took 7.47ms. Allocated memory is still 257.9MB. Free memory was 80.2MB in the beginning and 80.2MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 23:18:23,824 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 178.3MB. Free memory is still 147.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.08ms. Allocated memory is still 178.3MB. Free memory was 147.7MB in the beginning and 137.1MB in the end (delta: 10.6MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.99ms. Allocated memory is still 178.3MB. Free memory was 137.1MB in the beginning and 135.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.54ms. Allocated memory is still 178.3MB. Free memory was 135.0MB in the beginning and 131.6MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 493.58ms. Allocated memory is still 178.3MB. Free memory was 130.8MB in the beginning and 133.8MB in the end (delta: -3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 6408.61ms. Allocated memory was 178.3MB in the beginning and 257.9MB in the end (delta: 79.7MB). Free memory was 132.6MB in the beginning and 81.2MB in the end (delta: 51.4MB). Peak memory consumption was 132.1MB. Max. memory is 16.1GB. * Witness Printer took 7.47ms. Allocated memory is still 257.9MB. Free memory was 80.2MB in the beginning and 80.2MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 141, overapproximation of someUnaryDOUBLEoperation at line 37. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 128; [L23] double var_1_4 = 32.3; [L24] double var_1_5 = 0.25; [L25] unsigned char var_1_7 = 2; [L26] signed char var_1_8 = -10; [L27] signed char var_1_9 = 5; [L28] signed char var_1_10 = 4; [L29] signed char var_1_11 = 100; [L30] unsigned long int var_1_12 = 8; [L31] unsigned char var_1_13 = 0; [L32] unsigned long int var_1_15 = 1114432789; [L33] double var_1_17 = 256.8; [L34] double var_1_18 = 1.25; [L35] unsigned long int var_1_19 = 16; [L36] unsigned char var_1_21 = 1; [L37] double var_1_22 = -0.5; [L38] unsigned char var_1_23 = 0; [L39] unsigned char var_1_24 = 1; [L40] unsigned char last_1_var_1_1 = 128; [L41] unsigned long int last_1_var_1_12 = 8; [L42] double last_1_var_1_17 = 256.8; [L43] unsigned char last_1_var_1_21 = 1; VAL [isInitial=0, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_4=323/10, var_1_5=1/4, var_1_7=2, var_1_8=-10, var_1_9=5] [L145] isInitial = 1 [L146] FCALL initially() [L147] COND TRUE 1 [L148] CALL updateLastVariables() [L135] last_1_var_1_1 = var_1_1 [L136] last_1_var_1_12 = var_1_12 [L137] last_1_var_1_17 = var_1_17 [L138] last_1_var_1_21 = var_1_21 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_4=323/10, var_1_5=1/4, var_1_7=2, var_1_8=-10, var_1_9=5] [L148] RET updateLastVariables() [L149] CALL updateVariables() [L100] var_1_4 = __VERIFIER_nondet_double() [L101] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=1/4, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=1/4, var_1_7=2, var_1_8=-10, var_1_9=5] [L101] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=1/4, var_1_7=2, var_1_8=-10, var_1_9=5] [L102] var_1_5 = __VERIFIER_nondet_double() [L103] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=2, var_1_8=-10, var_1_9=5] [L103] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=2, var_1_8=-10, var_1_9=5] [L104] var_1_7 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_8=-10, var_1_9=5] [L105] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_8=-10, var_1_9=5] [L106] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=5] [L106] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=5] [L107] var_1_9 = __VERIFIER_nondet_char() [L108] CALL assume_abort_if_not(var_1_9 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L108] RET assume_abort_if_not(var_1_9 >= -1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L109] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L109] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L110] var_1_10 = __VERIFIER_nondet_char() [L111] CALL assume_abort_if_not(var_1_10 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L111] RET assume_abort_if_not(var_1_10 >= -1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L112] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L112] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=100, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L113] var_1_11 = __VERIFIER_nondet_char() [L114] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L114] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L115] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L115] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=0, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L116] var_1_13 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L117] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L118] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L118] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1114432789, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L119] var_1_15 = __VERIFIER_nondet_ulong() [L120] CALL assume_abort_if_not(var_1_15 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L120] RET assume_abort_if_not(var_1_15 >= 1073741823) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L121] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L121] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L122] var_1_18 = __VERIFIER_nondet_double() [L123] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L123] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L124] var_1_22 = __VERIFIER_nondet_double() [L125] CALL assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L125] RET assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L126] CALL assume_abort_if_not(var_1_22 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L126] RET assume_abort_if_not(var_1_22 != 0.0F) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L127] var_1_23 = __VERIFIER_nondet_uchar() [L128] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L128] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L129] CALL assume_abort_if_not(var_1_23 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L129] RET assume_abort_if_not(var_1_23 <= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L130] var_1_24 = __VERIFIER_nondet_uchar() [L131] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L131] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L132] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L132] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L149] RET updateVariables() [L150] CALL step() [L47] unsigned char stepLocal_3 = ((((var_1_4) > (last_1_var_1_17)) ? (var_1_4) : (last_1_var_1_17))) > var_1_18; VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, stepLocal_3=0, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L48] COND TRUE last_1_var_1_21 || stepLocal_3 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L49] COND TRUE var_1_18 > ((((last_1_var_1_17) < 0 ) ? -(last_1_var_1_17) : (last_1_var_1_17))) [L50] var_1_19 = last_1_var_1_1 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L57] unsigned long int stepLocal_1 = last_1_var_1_12; [L58] unsigned long int stepLocal_0 = 32u; VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, stepLocal_0=32, stepLocal_1=8, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L59] COND TRUE stepLocal_0 >= last_1_var_1_12 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, stepLocal_1=8, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L60] COND TRUE stepLocal_1 <= last_1_var_1_12 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L61] COND TRUE (var_1_4 - var_1_5) >= last_1_var_1_17 [L62] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L68] COND FALSE !((((((~ var_1_1)) < (8)) ? ((~ var_1_1)) : (8))) > var_1_11) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-10, var_1_9=126] [L71] COND TRUE ! (var_1_17 > var_1_5) [L72] var_1_8 = (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_11) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-2, var_1_9=126] [L76] unsigned long int stepLocal_4 = var_1_19; VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, stepLocal_4=128, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-2, var_1_9=126] [L77] COND FALSE !((var_1_18 / ((((5.5) > (var_1_22)) ? (5.5) : (var_1_22)))) > 10.5) [L88] var_1_21 = var_1_23 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, stepLocal_4=128, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-2, var_1_9=126] [L90] unsigned char stepLocal_2 = var_1_21; VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, stepLocal_2=-256, stepLocal_4=128, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-2, var_1_9=126] [L91] COND FALSE !(var_1_21 && stepLocal_2) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, stepLocal_4=128, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-2, var_1_9=126] [L94] COND FALSE !(\read(var_1_21)) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, stepLocal_4=128, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-2, var_1_9=126] [L150] RET step() [L151] CALL, EXPR property() [L141-L142] return ((((((32u >= last_1_var_1_12) ? ((last_1_var_1_12 <= last_1_var_1_12) ? (((var_1_4 - var_1_5) >= last_1_var_1_17) ? (var_1_1 == ((unsigned char) var_1_7)) : 1) : 1) : (var_1_1 == ((unsigned char) var_1_7))) && ((! (var_1_17 > var_1_5)) ? (var_1_8 == ((signed char) (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_11))) : (var_1_8 == ((signed char) -4)))) && ((var_1_21 && var_1_21) ? (var_1_12 == ((unsigned long int) var_1_11)) : (var_1_21 ? (var_1_12 == ((unsigned long int) (((((var_1_19) > ((var_1_11 + var_1_7))) ? (var_1_19) : ((var_1_11 + var_1_7)))) + (var_1_15 - var_1_1)))) : 1))) && (((((((~ var_1_1)) < (8)) ? ((~ var_1_1)) : (8))) > var_1_11) ? (var_1_17 == ((double) var_1_18)) : 1)) && ((last_1_var_1_21 || (((((var_1_4) > (last_1_var_1_17)) ? (var_1_4) : (last_1_var_1_17))) > var_1_18)) ? ((var_1_18 > ((((last_1_var_1_17) < 0 ) ? -(last_1_var_1_17) : (last_1_var_1_17)))) ? (var_1_19 == ((unsigned long int) last_1_var_1_1)) : (var_1_19 == ((unsigned long int) var_1_11))) : (var_1_19 == ((unsigned long int) last_1_var_1_1)))) && (((var_1_18 / ((((5.5) > (var_1_22)) ? (5.5) : (var_1_22)))) > 10.5) ? (var_1_13 ? ((var_1_1 < var_1_19) ? (var_1_21 == ((unsigned char) (! var_1_23))) : (var_1_21 == ((unsigned char) var_1_24))) : (var_1_21 == ((unsigned char) var_1_23))) : (var_1_21 == ((unsigned char) var_1_23))) ; VAL [\result=0, isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-2, var_1_9=126] [L151] RET, EXPR property() [L151] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-2, var_1_9=126] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_17=1284/5, last_1_var_1_1=128, last_1_var_1_21=1, var_1_10=124, var_1_11=126, var_1_12=8, var_1_13=1, var_1_15=1073741823, var_1_17=1284/5, var_1_19=128, var_1_1=254, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_7=254, var_1_8=-2, var_1_9=126] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.2s, OverallIterations: 8, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 462 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 435 mSDsluCounter, 1580 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 926 mSDsCounter, 259 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 562 IncrementalHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 259 mSolverCounterUnsat, 654 mSDtfsCounter, 562 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 738 GetRequests, 697 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=277occurred in iteration=4, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 268 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1506 NumberOfCodeBlocks, 1506 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1631 ConstructedInterpolants, 0 QuantifiedInterpolants, 3267 SizeOfPredicates, 5 NumberOfNonLiveVariables, 973 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 9914/10080 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-18 23:18:23,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-51.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 abdeae89f68926168a979793b9e178793666804156bbffb81f0dbc32b2012e6a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 23:18:26,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 23:18:26,104 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-18 23:18:26,108 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 23:18:26,108 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 23:18:26,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 23:18:26,138 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 23:18:26,138 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 23:18:26,139 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 23:18:26,139 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 23:18:26,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 23:18:26,140 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 23:18:26,140 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 23:18:26,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 23:18:26,141 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 23:18:26,143 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 23:18:26,145 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 23:18:26,147 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 23:18:26,147 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 23:18:26,147 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 23:18:26,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 23:18:26,148 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 23:18:26,148 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 23:18:26,148 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-18 23:18:26,148 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-18 23:18:26,148 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 23:18:26,149 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-18 23:18:26,149 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 23:18:26,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 23:18:26,149 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 23:18:26,150 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 23:18:26,150 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 23:18:26,150 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 23:18:26,150 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 23:18:26,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:18:26,151 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 23:18:26,154 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 23:18:26,154 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 23:18:26,154 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-18 23:18:26,155 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-18 23:18:26,155 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 23:18:26,155 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 23:18:26,155 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 23:18:26,155 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 23:18:26,156 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abdeae89f68926168a979793b9e178793666804156bbffb81f0dbc32b2012e6a [2024-11-18 23:18:26,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 23:18:26,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 23:18:26,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 23:18:26,527 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 23:18:26,528 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 23:18:26,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-51.i [2024-11-18 23:18:28,169 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 23:18:28,436 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 23:18:28,436 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-51.i [2024-11-18 23:18:28,452 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/705497b5e/cb04ecfece314224b60bf15b5192c689/FLAG0fb168d30 [2024-11-18 23:18:28,761 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/705497b5e/cb04ecfece314224b60bf15b5192c689 [2024-11-18 23:18:28,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 23:18:28,765 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 23:18:28,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 23:18:28,767 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 23:18:28,773 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 23:18:28,773 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:18:28" (1/1) ... [2024-11-18 23:18:28,776 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fce033a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:28, skipping insertion in model container [2024-11-18 23:18:28,776 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:18:28" (1/1) ... [2024-11-18 23:18:28,806 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 23:18:28,988 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_loopvsstraightlinecode_50-while_file-51.i[915,928] [2024-11-18 23:18:29,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:18:29,067 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 23:18:29,079 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_loopvsstraightlinecode_50-while_file-51.i[915,928] [2024-11-18 23:18:29,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:18:29,119 INFO L204 MainTranslator]: Completed translation [2024-11-18 23:18:29,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:29 WrapperNode [2024-11-18 23:18:29,119 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 23:18:29,120 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 23:18:29,121 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 23:18:29,121 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 23:18:29,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:29" (1/1) ... [2024-11-18 23:18:29,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:29" (1/1) ... [2024-11-18 23:18:29,181 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2024-11-18 23:18:29,182 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 23:18:29,182 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 23:18:29,182 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 23:18:29,182 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 23:18:29,214 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:29" (1/1) ... [2024-11-18 23:18:29,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:29" (1/1) ... [2024-11-18 23:18:29,218 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:29" (1/1) ... [2024-11-18 23:18:29,239 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-18 23:18:29,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:29" (1/1) ... [2024-11-18 23:18:29,241 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:29" (1/1) ... [2024-11-18 23:18:29,253 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:29" (1/1) ... [2024-11-18 23:18:29,260 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:29" (1/1) ... [2024-11-18 23:18:29,266 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:29" (1/1) ... [2024-11-18 23:18:29,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:29" (1/1) ... [2024-11-18 23:18:29,274 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 23:18:29,275 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 23:18:29,275 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 23:18:29,275 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 23:18:29,276 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:29" (1/1) ... [2024-11-18 23:18:29,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:18:29,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:18:29,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 23:18:29,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 23:18:29,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 23:18:29,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-18 23:18:29,358 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 23:18:29,358 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 23:18:29,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 23:18:29,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 23:18:29,456 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 23:18:29,459 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 23:18:40,157 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-18 23:18:40,157 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 23:18:40,170 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 23:18:40,170 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 23:18:40,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:18:40 BoogieIcfgContainer [2024-11-18 23:18:40,171 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 23:18:40,173 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 23:18:40,173 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 23:18:40,176 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 23:18:40,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:18:28" (1/3) ... [2024-11-18 23:18:40,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6231800e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:18:40, skipping insertion in model container [2024-11-18 23:18:40,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:29" (2/3) ... [2024-11-18 23:18:40,179 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6231800e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:18:40, skipping insertion in model container [2024-11-18 23:18:40,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:18:40" (3/3) ... [2024-11-18 23:18:40,181 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-51.i [2024-11-18 23:18:40,198 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 23:18:40,198 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 23:18:40,269 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 23:18:40,277 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;@33ac5275, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 23:18:40,278 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 23:18:40,283 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 44 states have internal predecessors, (60), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-18 23:18:40,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-18 23:18:40,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:18:40,299 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:18:40,299 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:18:40,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:18:40,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1740960990, now seen corresponding path program 1 times [2024-11-18 23:18:40,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 23:18:40,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1414261762] [2024-11-18 23:18:40,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:18:40,324 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 23:18:40,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 23:18:40,331 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-18 23:18:40,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-18 23:18:41,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:18:41,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 23:18:41,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:18:41,256 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2024-11-18 23:18:41,256 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 23:18:41,257 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 23:18:41,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1414261762] [2024-11-18 23:18:41,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1414261762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:18:41,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:18:41,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 23:18:41,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467012368] [2024-11-18 23:18:41,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:18:41,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 23:18:41,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 23:18:41,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 23:18:41,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:18:41,291 INFO L87 Difference]: Start difference. First operand has 67 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 44 states have internal predecessors, (60), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-18 23:18:41,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:18:41,316 INFO L93 Difference]: Finished difference Result 127 states and 219 transitions. [2024-11-18 23:18:41,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 23:18:41,318 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 135 [2024-11-18 23:18:41,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:18:41,325 INFO L225 Difference]: With dead ends: 127 [2024-11-18 23:18:41,325 INFO L226 Difference]: Without dead ends: 63 [2024-11-18 23:18:41,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:18:41,331 INFO L432 NwaCegarLoop]: 95 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, 95 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 23:18:41,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 23:18:41,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-18 23:18:41,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-18 23:18:41,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 40 states have (on average 1.325) internal successors, (53), 40 states have internal predecessors, (53), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-18 23:18:41,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 95 transitions. [2024-11-18 23:18:41,376 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 95 transitions. Word has length 135 [2024-11-18 23:18:41,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:18:41,377 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 95 transitions. [2024-11-18 23:18:41,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-18 23:18:41,377 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions. [2024-11-18 23:18:41,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-18 23:18:41,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:18:41,380 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:18:41,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-18 23:18:41,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 23:18:41,583 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:18:41,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:18:41,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1440285028, now seen corresponding path program 1 times [2024-11-18 23:18:41,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 23:18:41,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [819911775] [2024-11-18 23:18:41,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:18:41,585 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 23:18:41,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 23:18:41,589 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-18 23:18:41,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-18 23:18:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:18:42,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-18 23:18:42,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:18:45,460 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-18 23:18:45,460 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 23:18:45,461 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 23:18:45,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [819911775] [2024-11-18 23:18:45,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [819911775] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:18:45,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:18:45,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 23:18:45,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339644094] [2024-11-18 23:18:45,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:18:45,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 23:18:45,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 23:18:45,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 23:18:45,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 23:18:45,465 INFO L87 Difference]: Start difference. First operand 63 states and 95 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-18 23:18:49,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 23:18:54,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 23:18:58,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 23:19:02,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 23:19:07,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 23:19:09,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 23:19:09,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:19:09,664 INFO L93 Difference]: Finished difference Result 184 states and 280 transitions. [2024-11-18 23:19:09,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 23:19:09,747 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 135 [2024-11-18 23:19:09,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:19:09,750 INFO L225 Difference]: With dead ends: 184 [2024-11-18 23:19:09,750 INFO L226 Difference]: Without dead ends: 124 [2024-11-18 23:19:09,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-18 23:19:09,752 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 68 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 43 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.1s IncrementalHoareTripleChecker+Time [2024-11-18 23:19:09,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 262 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 15 Invalid, 5 Unknown, 0 Unchecked, 24.1s Time] [2024-11-18 23:19:09,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-18 23:19:09,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 103. [2024-11-18 23:19:09,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 58 states have internal predecessors, (71), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-18 23:19:09,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 155 transitions. [2024-11-18 23:19:09,782 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 155 transitions. Word has length 135 [2024-11-18 23:19:09,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:19:09,783 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 155 transitions. [2024-11-18 23:19:09,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-18 23:19:09,783 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 155 transitions. [2024-11-18 23:19:09,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-18 23:19:09,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:19:09,785 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:19:09,808 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 [2024-11-18 23:19:09,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 23:19:09,986 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:19:09,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:19:09,987 INFO L85 PathProgramCache]: Analyzing trace with hash -810717471, now seen corresponding path program 1 times [2024-11-18 23:19:09,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 23:19:09,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1843525614] [2024-11-18 23:19:09,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:19:09,988 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 23:19:09,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 23:19:09,989 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-18 23:19:09,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-18 23:19:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:19:10,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-18 23:19:10,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:19:13,962 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-18 23:19:13,962 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 23:19:13,963 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 23:19:13,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1843525614] [2024-11-18 23:19:13,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1843525614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:19:13,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:19:13,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 23:19:13,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214699947] [2024-11-18 23:19:13,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:19:13,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 23:19:13,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 23:19:13,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 23:19:13,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-18 23:19:13,969 INFO L87 Difference]: Start difference. First operand 103 states and 155 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-18 23:19:19,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 23:19:23,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 23:19:27,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 23:19:31,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 23:19:35,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 23:19:40,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 23:19:44,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 23:19:48,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 23:19:48,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:19:48,259 INFO L93 Difference]: Finished difference Result 230 states and 346 transitions. [2024-11-18 23:19:48,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 23:19:48,361 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 136 [2024-11-18 23:19:48,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:19:48,364 INFO L225 Difference]: With dead ends: 230 [2024-11-18 23:19:48,364 INFO L226 Difference]: Without dead ends: 170 [2024-11-18 23:19:48,365 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-18 23:19:48,366 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 78 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 43 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.1s IncrementalHoareTripleChecker+Time [2024-11-18 23:19:48,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 319 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 64 Invalid, 8 Unknown, 0 Unchecked, 34.1s Time] [2024-11-18 23:19:48,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-18 23:19:48,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 161. [2024-11-18 23:19:48,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 94 states have (on average 1.2659574468085106) internal successors, (119), 94 states have internal predecessors, (119), 63 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-18 23:19:48,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 245 transitions. [2024-11-18 23:19:48,408 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 245 transitions. Word has length 136 [2024-11-18 23:19:48,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:19:48,409 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 245 transitions. [2024-11-18 23:19:48,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-18 23:19:48,409 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 245 transitions. [2024-11-18 23:19:48,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-18 23:19:48,411 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:19:48,411 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:19:48,442 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-18 23:19:48,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 23:19:48,613 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:19:48,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:19:48,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1205819797, now seen corresponding path program 1 times [2024-11-18 23:19:48,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 23:19:48,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1642886848] [2024-11-18 23:19:48,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:19:48,614 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 23:19:48,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 23:19:48,618 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-18 23:19:48,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-18 23:19:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:19:49,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-18 23:19:49,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:19:49,583 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-18 23:19:49,583 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 23:19:49,583 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 23:19:49,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1642886848] [2024-11-18 23:19:49,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1642886848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:19:49,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:19:49,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 23:19:49,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142839340] [2024-11-18 23:19:49,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:19:49,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 23:19:49,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 23:19:49,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 23:19:49,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 23:19:49,590 INFO L87 Difference]: Start difference. First operand 161 states and 245 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21)