./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 19a60273c9036fd322b397de31454eb141b9f154ab77bf61e90ba0f48087b2d9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 08:04:07,191 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 08:04:07,272 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 08:04:07,278 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 08:04:07,280 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 08:04:07,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 08:04:07,311 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 08:04:07,311 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 08:04:07,312 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 08:04:07,313 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 08:04:07,314 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 08:04:07,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 08:04:07,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 08:04:07,315 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 08:04:07,317 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 08:04:07,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 08:04:07,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 08:04:07,318 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 08:04:07,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 08:04:07,319 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 08:04:07,319 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 08:04:07,320 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 08:04:07,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 08:04:07,320 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 08:04:07,321 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 08:04:07,321 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 08:04:07,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 08:04:07,322 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 08:04:07,322 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 08:04:07,322 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 08:04:07,323 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 08:04:07,323 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 08:04:07,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 08:04:07,324 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 08:04:07,324 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 08:04:07,324 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 08:04:07,325 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 08:04:07,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 08:04:07,325 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 08:04:07,326 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 08:04:07,326 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 08:04:07,327 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 08:04:07,328 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19a60273c9036fd322b397de31454eb141b9f154ab77bf61e90ba0f48087b2d9 [2024-11-22 08:04:07,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 08:04:07,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 08:04:07,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 08:04:07,635 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 08:04:07,635 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 08:04:07,636 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i [2024-11-22 08:04:09,192 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 08:04:09,448 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 08:04:09,452 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i [2024-11-22 08:04:09,466 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f07742697/1972b938b5104149a64f390e8fd8ed6a/FLAG46fad2cbb [2024-11-22 08:04:09,486 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f07742697/1972b938b5104149a64f390e8fd8ed6a [2024-11-22 08:04:09,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 08:04:09,490 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 08:04:09,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 08:04:09,494 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 08:04:09,499 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 08:04:09,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 08:04:09" (1/1) ... [2024-11-22 08:04:09,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@559ecccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:09, skipping insertion in model container [2024-11-22 08:04:09,501 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 08:04:09" (1/1) ... [2024-11-22 08:04:09,538 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 08:04:09,723 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i[919,932] [2024-11-22 08:04:09,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 08:04:09,826 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 08:04:09,841 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i[919,932] [2024-11-22 08:04:09,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 08:04:09,907 INFO L204 MainTranslator]: Completed translation [2024-11-22 08:04:09,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:09 WrapperNode [2024-11-22 08:04:09,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 08:04:09,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 08:04:09,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 08:04:09,909 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 08:04:09,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:09" (1/1) ... [2024-11-22 08:04:09,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:09" (1/1) ... [2024-11-22 08:04:09,979 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2024-11-22 08:04:09,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 08:04:09,981 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 08:04:09,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 08:04:09,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 08:04:09,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:09" (1/1) ... [2024-11-22 08:04:09,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:09" (1/1) ... [2024-11-22 08:04:09,996 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:09" (1/1) ... [2024-11-22 08:04:10,027 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]. [2024-11-22 08:04:10,028 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:09" (1/1) ... [2024-11-22 08:04:10,028 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:09" (1/1) ... [2024-11-22 08:04:10,040 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:09" (1/1) ... [2024-11-22 08:04:10,044 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:09" (1/1) ... [2024-11-22 08:04:10,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:09" (1/1) ... [2024-11-22 08:04:10,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:09" (1/1) ... [2024-11-22 08:04:10,057 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 08:04:10,058 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 08:04:10,059 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 08:04:10,059 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 08:04:10,060 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:09" (1/1) ... [2024-11-22 08:04:10,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 08:04:10,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 08:04:10,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 08:04:10,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 08:04:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 08:04:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 08:04:10,157 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 08:04:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 08:04:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 08:04:10,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 08:04:10,304 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 08:04:10,313 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 08:04:10,803 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-22 08:04:10,803 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 08:04:10,822 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 08:04:10,823 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 08:04:10,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 08:04:10 BoogieIcfgContainer [2024-11-22 08:04:10,824 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 08:04:10,826 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 08:04:10,826 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 08:04:10,830 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 08:04:10,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 08:04:09" (1/3) ... [2024-11-22 08:04:10,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a19372d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 08:04:10, skipping insertion in model container [2024-11-22 08:04:10,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:09" (2/3) ... [2024-11-22 08:04:10,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a19372d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 08:04:10, skipping insertion in model container [2024-11-22 08:04:10,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 08:04:10" (3/3) ... [2024-11-22 08:04:10,836 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i [2024-11-22 08:04:10,862 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 08:04:10,863 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 08:04:10,957 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 08:04:10,963 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;@79d7d1a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 08:04:10,965 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 08:04:10,970 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 52 states have internal predecessors, (77), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 08:04:10,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-22 08:04:10,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 08:04:10,989 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 08:04:10,989 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 08:04:10,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 08:04:10,994 INFO L85 PathProgramCache]: Analyzing trace with hash 293078757, now seen corresponding path program 1 times [2024-11-22 08:04:11,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 08:04:11,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563610681] [2024-11-22 08:04:11,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:11,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 08:04:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 08:04:11,378 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-22 08:04:11,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 08:04:11,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563610681] [2024-11-22 08:04:11,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563610681] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 08:04:11,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929490965] [2024-11-22 08:04:11,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:11,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 08:04:11,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 08:04:11,384 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 08:04:11,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 08:04:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 08:04:11,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 08:04:11,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 08:04:11,570 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-22 08:04:11,570 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 08:04:11,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929490965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 08:04:11,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 08:04:11,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 08:04:11,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116010807] [2024-11-22 08:04:11,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 08:04:11,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 08:04:11,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 08:04:11,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 08:04:11,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 08:04:11,610 INFO L87 Difference]: Start difference. First operand has 72 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 52 states have internal predecessors, (77), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 08:04:11,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 08:04:11,636 INFO L93 Difference]: Finished difference Result 136 states and 236 transitions. [2024-11-22 08:04:11,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 08:04:11,638 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 129 [2024-11-22 08:04:11,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 08:04:11,645 INFO L225 Difference]: With dead ends: 136 [2024-11-22 08:04:11,645 INFO L226 Difference]: Without dead ends: 67 [2024-11-22 08:04:11,648 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 08:04:11,651 INFO L432 NwaCegarLoop]: 103 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, 103 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 08:04:11,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 08:04:11,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-22 08:04:11,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-22 08:04:11,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 47 states have (on average 1.425531914893617) internal successors, (67), 47 states have internal predecessors, (67), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 08:04:11,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 103 transitions. [2024-11-22 08:04:11,694 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 103 transitions. Word has length 129 [2024-11-22 08:04:11,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 08:04:11,695 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 103 transitions. [2024-11-22 08:04:11,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 08:04:11,695 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 103 transitions. [2024-11-22 08:04:11,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-22 08:04:11,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 08:04:11,700 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 08:04:11,713 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 08:04:11,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 08:04:11,902 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 08:04:11,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 08:04:11,903 INFO L85 PathProgramCache]: Analyzing trace with hash 2013606881, now seen corresponding path program 1 times [2024-11-22 08:04:11,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 08:04:11,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933739126] [2024-11-22 08:04:11,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:11,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 08:04:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 08:04:12,525 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 08:04:12,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 08:04:12,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933739126] [2024-11-22 08:04:12,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933739126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 08:04:12,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 08:04:12,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 08:04:12,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157491622] [2024-11-22 08:04:12,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 08:04:12,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 08:04:12,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 08:04:12,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 08:04:12,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 08:04:12,532 INFO L87 Difference]: Start difference. First operand 67 states and 103 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 08:04:12,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 08:04:12,733 INFO L93 Difference]: Finished difference Result 196 states and 304 transitions. [2024-11-22 08:04:12,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 08:04:12,735 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 129 [2024-11-22 08:04:12,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 08:04:12,740 INFO L225 Difference]: With dead ends: 196 [2024-11-22 08:04:12,741 INFO L226 Difference]: Without dead ends: 132 [2024-11-22 08:04:12,743 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 [2024-11-22 08:04:12,744 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 90 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 08:04:12,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 289 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 08:04:12,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-22 08:04:12,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 102. [2024-11-22 08:04:12,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 63 states have internal predecessors, (83), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-22 08:04:12,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 155 transitions. [2024-11-22 08:04:12,784 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 155 transitions. Word has length 129 [2024-11-22 08:04:12,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 08:04:12,786 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 155 transitions. [2024-11-22 08:04:12,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 08:04:12,786 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 155 transitions. [2024-11-22 08:04:12,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-22 08:04:12,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 08:04:12,789 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 08:04:12,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 08:04:12,789 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 08:04:12,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 08:04:12,790 INFO L85 PathProgramCache]: Analyzing trace with hash -105600659, now seen corresponding path program 1 times [2024-11-22 08:04:12,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 08:04:12,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861765486] [2024-11-22 08:04:12,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:12,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 08:04:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 08:04:13,076 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 08:04:13,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 08:04:13,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861765486] [2024-11-22 08:04:13,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861765486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 08:04:13,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 08:04:13,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 08:04:13,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568445336] [2024-11-22 08:04:13,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 08:04:13,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 08:04:13,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 08:04:13,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 08:04:13,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 08:04:13,083 INFO L87 Difference]: Start difference. First operand 102 states and 155 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 08:04:13,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 08:04:13,189 INFO L93 Difference]: Finished difference Result 230 states and 355 transitions. [2024-11-22 08:04:13,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 08:04:13,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 130 [2024-11-22 08:04:13,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 08:04:13,193 INFO L225 Difference]: With dead ends: 230 [2024-11-22 08:04:13,193 INFO L226 Difference]: Without dead ends: 166 [2024-11-22 08:04:13,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 08:04:13,200 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 85 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 08:04:13,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 232 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 08:04:13,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-22 08:04:13,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 115. [2024-11-22 08:04:13,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 76 states have (on average 1.381578947368421) internal successors, (105), 76 states have internal predecessors, (105), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-22 08:04:13,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 177 transitions. [2024-11-22 08:04:13,231 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 177 transitions. Word has length 130 [2024-11-22 08:04:13,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 08:04:13,232 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 177 transitions. [2024-11-22 08:04:13,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 08:04:13,232 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 177 transitions. [2024-11-22 08:04:13,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-22 08:04:13,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 08:04:13,234 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 08:04:13,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 08:04:13,235 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 08:04:13,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 08:04:13,235 INFO L85 PathProgramCache]: Analyzing trace with hash 574457711, now seen corresponding path program 1 times [2024-11-22 08:04:13,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 08:04:13,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17660645] [2024-11-22 08:04:13,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:13,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 08:04:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 08:04:13,527 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 08:04:13,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 08:04:13,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17660645] [2024-11-22 08:04:13,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17660645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 08:04:13,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 08:04:13,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 08:04:13,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958155589] [2024-11-22 08:04:13,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 08:04:13,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 08:04:13,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 08:04:13,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 08:04:13,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 08:04:13,532 INFO L87 Difference]: Start difference. First operand 115 states and 177 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 08:04:13,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 08:04:13,651 INFO L93 Difference]: Finished difference Result 244 states and 375 transitions. [2024-11-22 08:04:13,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 08:04:13,652 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 130 [2024-11-22 08:04:13,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 08:04:13,654 INFO L225 Difference]: With dead ends: 244 [2024-11-22 08:04:13,654 INFO L226 Difference]: Without dead ends: 167 [2024-11-22 08:04:13,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 08:04:13,656 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 51 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 08:04:13,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 224 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 08:04:13,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-22 08:04:13,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 164. [2024-11-22 08:04:13,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 121 states have (on average 1.43801652892562) internal successors, (174), 122 states have internal predecessors, (174), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-22 08:04:13,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 250 transitions. [2024-11-22 08:04:13,688 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 250 transitions. Word has length 130 [2024-11-22 08:04:13,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 08:04:13,689 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 250 transitions. [2024-11-22 08:04:13,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 08:04:13,690 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 250 transitions. [2024-11-22 08:04:13,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-22 08:04:13,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 08:04:13,695 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 08:04:13,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 08:04:13,695 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 08:04:13,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 08:04:13,696 INFO L85 PathProgramCache]: Analyzing trace with hash 517199409, now seen corresponding path program 1 times [2024-11-22 08:04:13,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 08:04:13,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058468895] [2024-11-22 08:04:13,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:13,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 08:04:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 08:04:14,037 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 08:04:14,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 08:04:14,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058468895] [2024-11-22 08:04:14,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058468895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 08:04:14,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 08:04:14,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 08:04:14,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566810758] [2024-11-22 08:04:14,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 08:04:14,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 08:04:14,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 08:04:14,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 08:04:14,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 08:04:14,041 INFO L87 Difference]: Start difference. First operand 164 states and 250 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 08:04:14,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 08:04:14,424 INFO L93 Difference]: Finished difference Result 519 states and 825 transitions. [2024-11-22 08:04:14,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 08:04:14,426 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 130 [2024-11-22 08:04:14,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 08:04:14,432 INFO L225 Difference]: With dead ends: 519 [2024-11-22 08:04:14,433 INFO L226 Difference]: Without dead ends: 397 [2024-11-22 08:04:14,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-22 08:04:14,434 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 154 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 08:04:14,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 450 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 08:04:14,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-11-22 08:04:14,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 239. [2024-11-22 08:04:14,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 177 states have (on average 1.4576271186440677) internal successors, (258), 178 states have internal predecessors, (258), 56 states have call successors, (56), 5 states have call predecessors, (56), 5 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-22 08:04:14,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 370 transitions. [2024-11-22 08:04:14,479 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 370 transitions. Word has length 130 [2024-11-22 08:04:14,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 08:04:14,480 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 370 transitions. [2024-11-22 08:04:14,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 08:04:14,481 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 370 transitions. [2024-11-22 08:04:14,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-22 08:04:14,483 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 08:04:14,484 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 08:04:14,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 08:04:14,484 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 08:04:14,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 08:04:14,485 INFO L85 PathProgramCache]: Analyzing trace with hash 383185903, now seen corresponding path program 1 times [2024-11-22 08:04:14,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 08:04:14,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832572229] [2024-11-22 08:04:14,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:14,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 08:04:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 08:04:14,685 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 08:04:14,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 08:04:14,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832572229] [2024-11-22 08:04:14,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832572229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 08:04:14,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 08:04:14,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 08:04:14,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924495282] [2024-11-22 08:04:14,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 08:04:14,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 08:04:14,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 08:04:14,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 08:04:14,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 08:04:14,691 INFO L87 Difference]: Start difference. First operand 239 states and 370 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 08:04:14,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 08:04:14,751 INFO L93 Difference]: Finished difference Result 436 states and 682 transitions. [2024-11-22 08:04:14,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 08:04:14,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 130 [2024-11-22 08:04:14,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 08:04:14,756 INFO L225 Difference]: With dead ends: 436 [2024-11-22 08:04:14,757 INFO L226 Difference]: Without dead ends: 239 [2024-11-22 08:04:14,758 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 [2024-11-22 08:04:14,759 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 08:04:14,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 185 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 08:04:14,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-22 08:04:14,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2024-11-22 08:04:14,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 177 states have (on average 1.423728813559322) internal successors, (252), 178 states have internal predecessors, (252), 56 states have call successors, (56), 5 states have call predecessors, (56), 5 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-22 08:04:14,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 364 transitions. [2024-11-22 08:04:14,788 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 364 transitions. Word has length 130 [2024-11-22 08:04:14,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 08:04:14,789 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 364 transitions. [2024-11-22 08:04:14,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 08:04:14,789 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 364 transitions. [2024-11-22 08:04:14,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-22 08:04:14,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 08:04:14,791 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 08:04:14,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 08:04:14,791 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 08:04:14,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 08:04:14,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1610958803, now seen corresponding path program 1 times [2024-11-22 08:04:14,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 08:04:14,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28177086] [2024-11-22 08:04:14,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:14,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 08:04:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 08:04:15,487 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 51 proven. 45 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2024-11-22 08:04:15,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 08:04:15,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28177086] [2024-11-22 08:04:15,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28177086] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 08:04:15,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600948963] [2024-11-22 08:04:15,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:15,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 08:04:15,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 08:04:15,493 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 08:04:15,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 08:04:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 08:04:15,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-22 08:04:15,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 08:04:16,172 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 401 proven. 45 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-22 08:04:16,172 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 08:04:16,634 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 51 proven. 48 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2024-11-22 08:04:16,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600948963] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 08:04:16,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 08:04:16,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 9] total 16 [2024-11-22 08:04:16,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476845901] [2024-11-22 08:04:16,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 08:04:16,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-22 08:04:16,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 08:04:16,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-22 08:04:16,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2024-11-22 08:04:16,638 INFO L87 Difference]: Start difference. First operand 239 states and 364 transitions. Second operand has 16 states, 16 states have (on average 5.0625) internal successors, (81), 16 states have internal predecessors, (81), 3 states have call successors, (28), 3 states have call predecessors, (28), 7 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-22 08:04:18,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 08:04:18,070 INFO L93 Difference]: Finished difference Result 864 states and 1273 transitions. [2024-11-22 08:04:18,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-22 08:04:18,071 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.0625) internal successors, (81), 16 states have internal predecessors, (81), 3 states have call successors, (28), 3 states have call predecessors, (28), 7 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 130 [2024-11-22 08:04:18,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 08:04:18,075 INFO L225 Difference]: With dead ends: 864 [2024-11-22 08:04:18,075 INFO L226 Difference]: Without dead ends: 742 [2024-11-22 08:04:18,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 257 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1195 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=811, Invalid=3095, Unknown=0, NotChecked=0, Total=3906 [2024-11-22 08:04:18,078 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 481 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 08:04:18,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 885 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 08:04:18,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2024-11-22 08:04:18,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 401. [2024-11-22 08:04:18,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 309 states have (on average 1.3883495145631068) internal successors, (429), 311 states have internal predecessors, (429), 76 states have call successors, (76), 15 states have call predecessors, (76), 15 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-22 08:04:18,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 581 transitions. [2024-11-22 08:04:18,130 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 581 transitions. Word has length 130 [2024-11-22 08:04:18,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 08:04:18,131 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 581 transitions. [2024-11-22 08:04:18,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.0625) internal successors, (81), 16 states have internal predecessors, (81), 3 states have call successors, (28), 3 states have call predecessors, (28), 7 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-22 08:04:18,131 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 581 transitions. [2024-11-22 08:04:18,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-22 08:04:18,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 08:04:18,133 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 08:04:18,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-22 08:04:18,335 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,SelfDestructingSolverStorable6 [2024-11-22 08:04:18,336 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 08:04:18,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 08:04:18,337 INFO L85 PathProgramCache]: Analyzing trace with hash 878570159, now seen corresponding path program 1 times [2024-11-22 08:04:18,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 08:04:18,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551498402] [2024-11-22 08:04:18,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:18,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 08:04:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 08:04:18,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [741899513] [2024-11-22 08:04:18,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:18,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 08:04:18,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 08:04:18,424 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) [2024-11-22 08:04:18,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 08:04:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 08:04:18,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-22 08:04:18,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 08:04:18,881 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 141 proven. 45 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-22 08:04:18,881 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 08:04:19,356 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-22 08:04:19,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 08:04:19,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551498402] [2024-11-22 08:04:19,357 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 08:04:19,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741899513] [2024-11-22 08:04:19,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741899513] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 08:04:19,358 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 08:04:19,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-22 08:04:19,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720040919] [2024-11-22 08:04:19,358 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 08:04:19,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 08:04:19,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 08:04:19,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 08:04:19,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-22 08:04:19,361 INFO L87 Difference]: Start difference. First operand 401 states and 581 transitions. Second operand has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-22 08:04:21,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 08:04:21,166 INFO L93 Difference]: Finished difference Result 880 states and 1251 transitions. [2024-11-22 08:04:21,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-22 08:04:21,169 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 130 [2024-11-22 08:04:21,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 08:04:21,172 INFO L225 Difference]: With dead ends: 880 [2024-11-22 08:04:21,173 INFO L226 Difference]: Without dead ends: 543 [2024-11-22 08:04:21,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=269, Invalid=661, Unknown=0, NotChecked=0, Total=930 [2024-11-22 08:04:21,177 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 315 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-22 08:04:21,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 429 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-22 08:04:21,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-22 08:04:21,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 439. [2024-11-22 08:04:21,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 340 states have (on average 1.361764705882353) internal successors, (463), 343 states have internal predecessors, (463), 78 states have call successors, (78), 20 states have call predecessors, (78), 20 states have return successors, (78), 75 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-22 08:04:21,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 619 transitions. [2024-11-22 08:04:21,242 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 619 transitions. Word has length 130 [2024-11-22 08:04:21,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 08:04:21,242 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 619 transitions. [2024-11-22 08:04:21,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-22 08:04:21,242 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 619 transitions. [2024-11-22 08:04:21,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-22 08:04:21,244 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 08:04:21,244 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 08:04:21,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 08:04:21,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 08:04:21,445 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 08:04:21,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 08:04:21,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1136735597, now seen corresponding path program 1 times [2024-11-22 08:04:21,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 08:04:21,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028321196] [2024-11-22 08:04:21,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:21,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 08:04:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 08:04:21,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1104924016] [2024-11-22 08:04:21,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:21,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 08:04:21,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 08:04:21,515 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 08:04:21,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 08:04:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 08:04:21,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-22 08:04:21,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 08:04:22,117 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 141 proven. 45 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-22 08:04:22,118 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 08:04:22,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 08:04:22,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028321196] [2024-11-22 08:04:22,665 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 08:04:22,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104924016] [2024-11-22 08:04:22,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104924016] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 08:04:22,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 08:04:22,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-22 08:04:22,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708178132] [2024-11-22 08:04:22,665 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 08:04:22,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 08:04:22,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 08:04:22,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 08:04:22,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-22 08:04:22,667 INFO L87 Difference]: Start difference. First operand 439 states and 619 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 08:04:23,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 08:04:23,380 INFO L93 Difference]: Finished difference Result 1271 states and 1802 transitions. [2024-11-22 08:04:23,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 08:04:23,381 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 130 [2024-11-22 08:04:23,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 08:04:23,386 INFO L225 Difference]: With dead ends: 1271 [2024-11-22 08:04:23,387 INFO L226 Difference]: Without dead ends: 1009 [2024-11-22 08:04:23,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=165, Invalid=435, Unknown=0, NotChecked=0, Total=600 [2024-11-22 08:04:23,389 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 239 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 08:04:23,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 574 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 08:04:23,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2024-11-22 08:04:23,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 752. [2024-11-22 08:04:23,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 578 states have (on average 1.3581314878892734) internal successors, (785), 584 states have internal predecessors, (785), 138 states have call successors, (138), 35 states have call predecessors, (138), 35 states have return successors, (138), 132 states have call predecessors, (138), 138 states have call successors, (138) [2024-11-22 08:04:23,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1061 transitions. [2024-11-22 08:04:23,461 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1061 transitions. Word has length 130 [2024-11-22 08:04:23,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 08:04:23,461 INFO L471 AbstractCegarLoop]: Abstraction has 752 states and 1061 transitions. [2024-11-22 08:04:23,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 08:04:23,462 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1061 transitions. [2024-11-22 08:04:23,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-22 08:04:23,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 08:04:23,463 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 08:04:23,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-22 08:04:23,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 08:04:23,664 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 08:04:23,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 08:04:23,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1097424877, now seen corresponding path program 1 times [2024-11-22 08:04:23,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 08:04:23,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154352841] [2024-11-22 08:04:23,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:23,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 08:04:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 08:04:23,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2126745073] [2024-11-22 08:04:23,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:23,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 08:04:23,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 08:04:23,729 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 08:04:23,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 08:04:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 08:04:23,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-22 08:04:23,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 08:04:24,745 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 141 proven. 45 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-22 08:04:24,746 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 08:04:25,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 08:04:25,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154352841] [2024-11-22 08:04:25,225 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 08:04:25,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126745073] [2024-11-22 08:04:25,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2126745073] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 08:04:25,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 08:04:25,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-22 08:04:25,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347209220] [2024-11-22 08:04:25,225 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 08:04:25,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 08:04:25,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 08:04:25,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 08:04:25,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-22 08:04:25,226 INFO L87 Difference]: Start difference. First operand 752 states and 1061 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 08:04:25,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 08:04:25,943 INFO L93 Difference]: Finished difference Result 2010 states and 2883 transitions. [2024-11-22 08:04:25,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-22 08:04:25,944 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 130 [2024-11-22 08:04:25,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 08:04:25,951 INFO L225 Difference]: With dead ends: 2010 [2024-11-22 08:04:25,952 INFO L226 Difference]: Without dead ends: 1532 [2024-11-22 08:04:25,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=219, Invalid=537, Unknown=0, NotChecked=0, Total=756 [2024-11-22 08:04:25,954 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 401 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 08:04:25,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 530 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 08:04:25,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2024-11-22 08:04:26,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1125. [2024-11-22 08:04:26,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1125 states, 855 states have (on average 1.3555555555555556) internal successors, (1159), 863 states have internal predecessors, (1159), 214 states have call successors, (214), 55 states have call predecessors, (214), 55 states have return successors, (214), 206 states have call predecessors, (214), 214 states have call successors, (214) [2024-11-22 08:04:26,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 1125 states and 1587 transitions. [2024-11-22 08:04:26,062 INFO L78 Accepts]: Start accepts. Automaton has 1125 states and 1587 transitions. Word has length 130 [2024-11-22 08:04:26,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 08:04:26,062 INFO L471 AbstractCegarLoop]: Abstraction has 1125 states and 1587 transitions. [2024-11-22 08:04:26,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 08:04:26,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1587 transitions. [2024-11-22 08:04:26,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-22 08:04:26,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 08:04:26,064 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 08:04:26,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-22 08:04:26,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-22 08:04:26,265 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 08:04:26,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 08:04:26,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1355590315, now seen corresponding path program 1 times [2024-11-22 08:04:26,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 08:04:26,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429664775] [2024-11-22 08:04:26,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:26,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 08:04:26,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 08:04:26,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1288540777] [2024-11-22 08:04:26,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:26,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 08:04:26,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 08:04:26,327 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 08:04:26,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 08:04:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 08:04:26,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 08:04:26,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 08:04:27,517 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 141 proven. 45 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-22 08:04:27,518 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 08:04:27,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 08:04:27,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429664775] [2024-11-22 08:04:27,879 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 08:04:27,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288540777] [2024-11-22 08:04:27,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288540777] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 08:04:27,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 08:04:27,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-22 08:04:27,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681144552] [2024-11-22 08:04:27,880 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 08:04:27,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 08:04:27,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 08:04:27,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 08:04:27,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-22 08:04:27,881 INFO L87 Difference]: Start difference. First operand 1125 states and 1587 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 08:04:28,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 08:04:28,861 INFO L93 Difference]: Finished difference Result 2503 states and 3573 transitions. [2024-11-22 08:04:28,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-22 08:04:28,862 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 130 [2024-11-22 08:04:28,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 08:04:28,872 INFO L225 Difference]: With dead ends: 2503 [2024-11-22 08:04:28,873 INFO L226 Difference]: Without dead ends: 1446 [2024-11-22 08:04:28,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-11-22 08:04:28,879 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 187 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 08:04:28,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 759 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 08:04:28,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1446 states. [2024-11-22 08:04:28,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1446 to 1121. [2024-11-22 08:04:28,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 851 states have (on average 1.345475910693302) internal successors, (1145), 859 states have internal predecessors, (1145), 214 states have call successors, (214), 55 states have call predecessors, (214), 55 states have return successors, (214), 206 states have call predecessors, (214), 214 states have call successors, (214) [2024-11-22 08:04:28,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1573 transitions. [2024-11-22 08:04:28,993 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1573 transitions. Word has length 130 [2024-11-22 08:04:28,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 08:04:28,993 INFO L471 AbstractCegarLoop]: Abstraction has 1121 states and 1573 transitions. [2024-11-22 08:04:28,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 08:04:28,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1573 transitions. [2024-11-22 08:04:28,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-22 08:04:28,995 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 08:04:28,995 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 08:04:29,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-22 08:04:29,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 08:04:29,196 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 08:04:29,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 08:04:29,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1209558168, now seen corresponding path program 1 times [2024-11-22 08:04:29,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 08:04:29,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348434146] [2024-11-22 08:04:29,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:29,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 08:04:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 08:04:29,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [418142910] [2024-11-22 08:04:29,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:29,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 08:04:29,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 08:04:29,242 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 08:04:29,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 08:04:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 08:04:29,348 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 08:04:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 08:04:29,473 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 08:04:29,473 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 08:04:29,474 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 08:04:29,485 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-22 08:04:29,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 08:04:29,679 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 08:04:29,796 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 08:04:29,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 08:04:29 BoogieIcfgContainer [2024-11-22 08:04:29,799 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 08:04:29,800 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 08:04:29,800 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 08:04:29,800 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 08:04:29,800 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 08:04:10" (3/4) ... [2024-11-22 08:04:29,803 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-22 08:04:29,804 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 08:04:29,804 INFO L158 Benchmark]: Toolchain (without parser) took 20313.97ms. Allocated memory was 167.8MB in the beginning and 465.6MB in the end (delta: 297.8MB). Free memory was 113.8MB in the beginning and 215.8MB in the end (delta: -102.1MB). Peak memory consumption was 197.8MB. Max. memory is 16.1GB. [2024-11-22 08:04:29,804 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 167.8MB. Free memory is still 128.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 08:04:29,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.53ms. Allocated memory is still 167.8MB. Free memory was 113.4MB in the beginning and 96.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-22 08:04:29,805 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.22ms. Allocated memory is still 167.8MB. Free memory was 96.6MB in the beginning and 92.0MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 08:04:29,805 INFO L158 Benchmark]: Boogie Preprocessor took 76.95ms. Allocated memory is still 167.8MB. Free memory was 92.0MB in the beginning and 85.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-22 08:04:29,805 INFO L158 Benchmark]: RCFGBuilder took 765.78ms. Allocated memory is still 167.8MB. Free memory was 85.7MB in the beginning and 115.2MB in the end (delta: -29.5MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2024-11-22 08:04:29,806 INFO L158 Benchmark]: TraceAbstraction took 18973.04ms. Allocated memory was 167.8MB in the beginning and 465.6MB in the end (delta: 297.8MB). Free memory was 114.3MB in the beginning and 215.8MB in the end (delta: -101.5MB). Peak memory consumption was 198.1MB. Max. memory is 16.1GB. [2024-11-22 08:04:29,806 INFO L158 Benchmark]: Witness Printer took 3.94ms. Allocated memory is still 465.6MB. Free memory is still 215.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 08:04:29,807 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 167.8MB. Free memory is still 128.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.53ms. Allocated memory is still 167.8MB. Free memory was 113.4MB in the beginning and 96.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.22ms. Allocated memory is still 167.8MB. Free memory was 96.6MB in the beginning and 92.0MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.95ms. Allocated memory is still 167.8MB. Free memory was 92.0MB in the beginning and 85.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 765.78ms. Allocated memory is still 167.8MB. Free memory was 85.7MB in the beginning and 115.2MB in the end (delta: -29.5MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * TraceAbstraction took 18973.04ms. Allocated memory was 167.8MB in the beginning and 465.6MB in the end (delta: 297.8MB). Free memory was 114.3MB in the beginning and 215.8MB in the end (delta: -101.5MB). Peak memory consumption was 198.1MB. Max. memory is 16.1GB. * Witness Printer took 3.94ms. Allocated memory is still 465.6MB. Free memory is still 215.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 177, overapproximation of someUnaryDOUBLEoperation at line 30. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L23] signed char var_1_5 = -8; [L24] unsigned char var_1_6 = 10; [L25] unsigned char var_1_7 = 128; [L26] unsigned char var_1_8 = 1; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 0; [L29] signed short int var_1_13 = 200; [L30] float var_1_14 = -0.8; [L31] float var_1_15 = 127.25; [L32] float var_1_16 = 3.5; [L33] unsigned short int var_1_17 = 16; [L34] unsigned char var_1_19 = 1; [L35] unsigned char var_1_20 = 0; [L36] unsigned char var_1_21 = 0; [L37] float var_1_26 = 500.65; [L38] float var_1_30 = 9.8; [L39] unsigned char var_1_31 = 4; [L40] unsigned short int var_1_34 = 1; [L41] unsigned long int var_1_35 = 10; [L42] unsigned char var_1_36 = 10; [L43] unsigned char var_1_38 = 16; [L44] unsigned char var_1_39 = 0; [L45] unsigned short int var_1_40 = 10; [L46] unsigned short int var_1_41 = 128; [L47] unsigned short int var_1_42 = 40597; [L48] signed short int last_1_var_1_1 = 16; [L49] unsigned char last_1_var_1_6 = 10; [L50] unsigned char last_1_var_1_8 = 1; [L51] signed short int last_1_var_1_13 = 200; VAL [isInitial=0, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1] [L181] isInitial = 1 [L182] FCALL initially() [L183] COND TRUE 1 [L184] CALL updateLastVariables() [L171] last_1_var_1_1 = var_1_1 [L172] last_1_var_1_6 = var_1_6 [L173] last_1_var_1_8 = var_1_8 [L174] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1] [L184] RET updateLastVariables() [L185] CALL updateVariables() [L141] var_1_5 = __VERIFIER_nondet_char() [L142] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=128, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=128, var_1_8=1] [L142] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=128, var_1_8=1] [L143] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=128, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=128, var_1_8=1] [L143] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=128, var_1_8=1] [L144] var_1_7 = __VERIFIER_nondet_uchar() [L145] CALL assume_abort_if_not(var_1_7 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L145] RET assume_abort_if_not(var_1_7 >= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L146] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L146] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L147] var_1_11 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L148] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L149] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L149] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L150] var_1_12 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L151] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L152] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L152] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L153] var_1_15 = __VERIFIER_nondet_float() [L154] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L154] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L155] var_1_16 = __VERIFIER_nondet_float() [L156] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L156] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L157] var_1_20 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L158] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L159] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L159] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L160] var_1_38 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_38 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L161] RET assume_abort_if_not(var_1_38 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L162] CALL assume_abort_if_not(var_1_38 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L162] RET assume_abort_if_not(var_1_38 <= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L163] var_1_39 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_39 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L164] RET assume_abort_if_not(var_1_39 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L165] CALL assume_abort_if_not(var_1_39 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L165] RET assume_abort_if_not(var_1_39 <= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L166] var_1_42 = __VERIFIER_nondet_ushort() [L167] CALL assume_abort_if_not(var_1_42 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L167] RET assume_abort_if_not(var_1_42 >= 32767) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L168] CALL assume_abort_if_not(var_1_42 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L168] RET assume_abort_if_not(var_1_42 <= 65534) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L185] RET updateVariables() [L186] CALL step() [L55] signed long int stepLocal_6 = last_1_var_1_1; [L56] unsigned char stepLocal_5 = ((((last_1_var_1_1) < (8)) ? (last_1_var_1_1) : (8))) <= var_1_5; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_5=1, stepLocal_6=16, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L57] COND TRUE stepLocal_5 || last_1_var_1_8 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_6=16, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L58] COND FALSE !(stepLocal_6 <= last_1_var_1_6) [L61] var_1_14 = var_1_16 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L66] COND FALSE !(var_1_14 <= var_1_15) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=10, var_1_7=483, var_1_8=1] [L69] COND TRUE var_1_5 >= -2 [L70] var_1_6 = (var_1_7 - 100) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=1] [L72] unsigned char stepLocal_4 = var_1_6; [L73] signed long int stepLocal_3 = var_1_6 / var_1_7; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_3=0, stepLocal_4=127, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=1] [L74] COND TRUE last_1_var_1_13 >= stepLocal_3 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_4=127, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=1] [L75] COND TRUE stepLocal_4 != ((((((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) > (var_1_5)) ? (((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) : (var_1_5))) [L76] var_1_13 = var_1_7 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=1] [L83] unsigned char stepLocal_7 = var_1_6; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_7=127, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=1] [L84] COND FALSE !(stepLocal_7 > var_1_6) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=1] [L87] unsigned char stepLocal_0 = var_1_6; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=1] [L88] COND TRUE \read(var_1_19) [L89] var_1_1 = ((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=1] [L95] unsigned char stepLocal_2 = var_1_19 && var_1_19; [L96] unsigned char stepLocal_1 = var_1_7; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, stepLocal_2=1, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=1] [L97] COND FALSE !((49.5f <= var_1_14) && stepLocal_2) [L104] var_1_8 = var_1_12 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L106] COND TRUE var_1_11 || var_1_8 [L107] var_1_21 = ((var_1_7 > -4) || var_1_11) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L109] COND FALSE !(((var_1_1 + 25) % var_1_7) < 2) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L112] COND TRUE (- var_1_15) < ((((var_1_14) > (var_1_16)) ? (var_1_14) : (var_1_16))) [L113] var_1_30 = var_1_16 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L115] COND TRUE ((((((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))) < (var_1_5)) ? (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))) : (var_1_5))) <= var_1_1 [L116] var_1_31 = var_1_7 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=483, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L118] COND TRUE var_1_6 < ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))) [L119] var_1_34 = ((((((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))) > (var_1_7)) ? (((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))) : (var_1_7))) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=483, var_1_34=227, var_1_35=10, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L121] COND TRUE \read(var_1_11) [L122] var_1_35 = var_1_7 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=483, var_1_34=227, var_1_35=227, var_1_36=10, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L124] COND TRUE \read(var_1_11) [L125] var_1_36 = (var_1_7 - var_1_38) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=483, var_1_34=227, var_1_35=227, var_1_36=227, var_1_38=0, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L129] COND TRUE (- var_1_7) != var_1_6 [L130] var_1_40 = var_1_39 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=483, var_1_34=227, var_1_35=227, var_1_36=227, var_1_38=0, var_1_39=0, var_1_40=0, var_1_41=128, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L132] COND FALSE !(var_1_7 <= (~ var_1_7)) [L137] var_1_41 = var_1_6 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=127, stepLocal_1=483, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=483, var_1_34=227, var_1_35=227, var_1_36=227, var_1_38=0, var_1_39=0, var_1_40=0, var_1_41=127, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L186] RET step() [L187] CALL, EXPR property() [L177-L178] return ((((((var_1_19 ? (var_1_1 == ((signed short int) ((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) : ((((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) >= var_1_6) ? (var_1_1 == ((signed short int) var_1_5)) : 1)) && ((var_1_5 >= -2) ? (var_1_6 == ((unsigned char) (var_1_7 - 100))) : 1)) && (((49.5f <= var_1_14) && (var_1_19 && var_1_19)) ? ((var_1_13 < var_1_7) ? (var_1_8 == ((unsigned char) (var_1_19 || var_1_11))) : (var_1_8 == ((unsigned char) var_1_11))) : (var_1_8 == ((unsigned char) var_1_12)))) && ((last_1_var_1_13 >= (var_1_6 / var_1_7)) ? ((var_1_6 != ((((((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) > (var_1_5)) ? (((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) : (var_1_5)))) ? (var_1_13 == ((signed short int) var_1_7)) : (var_1_13 == ((signed short int) last_1_var_1_13))) : (var_1_13 == ((signed short int) var_1_6)))) && (((((((last_1_var_1_1) < (8)) ? (last_1_var_1_1) : (8))) <= var_1_5) || last_1_var_1_8) ? ((last_1_var_1_1 <= last_1_var_1_6) ? (var_1_14 == ((float) (var_1_15 + var_1_16))) : (var_1_14 == ((float) var_1_16))) : (var_1_14 == ((float) var_1_16)))) && ((var_1_6 > var_1_6) ? (var_1_17 == ((unsigned short int) ((((25) > ((var_1_13 + var_1_6))) ? (25) : ((var_1_13 + var_1_6)))))) : 1)) && ((var_1_14 <= var_1_15) ? (var_1_19 == ((unsigned char) (var_1_12 || var_1_20))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=483, var_1_34=227, var_1_35=227, var_1_36=227, var_1_38=0, var_1_39=0, var_1_40=0, var_1_41=127, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L187] RET, EXPR property() [L187] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=483, var_1_34=227, var_1_35=227, var_1_36=227, var_1_38=0, var_1_39=0, var_1_40=0, var_1_41=127, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=227, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=127, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=483, var_1_34=227, var_1_35=227, var_1_36=227, var_1_38=0, var_1_39=0, var_1_40=0, var_1_41=127, var_1_42=32767, var_1_5=126, var_1_6=127, var_1_7=483, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.8s, OverallIterations: 12, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2027 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2003 mSDsluCounter, 4660 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3426 mSDsCounter, 520 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3379 IncrementalHoareTripleChecker+Invalid, 3899 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 520 mSolverCounterUnsat, 1234 mSDtfsCounter, 3379 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1512 GetRequests, 1334 SyntacticMatches, 2 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1611 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1125occurred in iteration=10, InterpolantAutomatonStates: 147, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 1676 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 2469 NumberOfCodeBlocks, 2469 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1932 ConstructedInterpolants, 1 QuantifiedInterpolants, 8832 SizeOfPredicates, 31 NumberOfNonLiveVariables, 2009 ConjunctsInSsa, 90 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 8783/9180 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-22 08:04:29,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 19a60273c9036fd322b397de31454eb141b9f154ab77bf61e90ba0f48087b2d9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 08:04:32,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 08:04:32,314 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-22 08:04:32,320 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 08:04:32,320 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 08:04:32,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 08:04:32,351 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 08:04:32,351 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 08:04:32,352 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 08:04:32,352 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 08:04:32,356 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 08:04:32,357 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 08:04:32,358 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 08:04:32,358 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 08:04:32,358 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 08:04:32,359 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 08:04:32,362 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 08:04:32,363 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 08:04:32,363 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 08:04:32,364 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 08:04:32,364 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 08:04:32,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 08:04:32,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 08:04:32,366 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 08:04:32,370 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-22 08:04:32,371 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 08:04:32,371 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-22 08:04:32,372 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 08:04:32,372 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 08:04:32,372 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 08:04:32,373 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 08:04:32,373 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 08:04:32,373 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 08:04:32,373 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 08:04:32,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 08:04:32,374 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 08:04:32,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 08:04:32,375 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 08:04:32,375 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-22 08:04:32,375 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-22 08:04:32,376 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 08:04:32,377 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 08:04:32,377 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 08:04:32,377 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 08:04:32,377 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19a60273c9036fd322b397de31454eb141b9f154ab77bf61e90ba0f48087b2d9 [2024-11-22 08:04:32,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 08:04:32,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 08:04:32,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 08:04:32,739 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 08:04:32,740 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 08:04:32,742 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i [2024-11-22 08:04:34,320 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 08:04:34,578 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 08:04:34,580 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i [2024-11-22 08:04:34,595 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4e9906fb/f56388c19202431d98e1b37f40b09bbb/FLAG0c46b3f08 [2024-11-22 08:04:34,897 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4e9906fb/f56388c19202431d98e1b37f40b09bbb [2024-11-22 08:04:34,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 08:04:34,900 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 08:04:34,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 08:04:34,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 08:04:34,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 08:04:34,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 08:04:34" (1/1) ... [2024-11-22 08:04:34,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f9f4400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:34, skipping insertion in model container [2024-11-22 08:04:34,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 08:04:34" (1/1) ... [2024-11-22 08:04:34,940 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 08:04:35,138 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i[919,932] [2024-11-22 08:04:35,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 08:04:35,257 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 08:04:35,271 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i[919,932] [2024-11-22 08:04:35,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 08:04:35,347 INFO L204 MainTranslator]: Completed translation [2024-11-22 08:04:35,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:35 WrapperNode [2024-11-22 08:04:35,348 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 08:04:35,349 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 08:04:35,349 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 08:04:35,349 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 08:04:35,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:35" (1/1) ... [2024-11-22 08:04:35,375 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:35" (1/1) ... [2024-11-22 08:04:35,410 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 170 [2024-11-22 08:04:35,414 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 08:04:35,415 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 08:04:35,419 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 08:04:35,419 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 08:04:35,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:35" (1/1) ... [2024-11-22 08:04:35,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:35" (1/1) ... [2024-11-22 08:04:35,436 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:35" (1/1) ... [2024-11-22 08:04:35,461 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]. [2024-11-22 08:04:35,464 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:35" (1/1) ... [2024-11-22 08:04:35,464 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:35" (1/1) ... [2024-11-22 08:04:35,479 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:35" (1/1) ... [2024-11-22 08:04:35,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:35" (1/1) ... [2024-11-22 08:04:35,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:35" (1/1) ... [2024-11-22 08:04:35,495 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:35" (1/1) ... [2024-11-22 08:04:35,499 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 08:04:35,503 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 08:04:35,506 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 08:04:35,506 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 08:04:35,507 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:35" (1/1) ... [2024-11-22 08:04:35,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 08:04:35,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 08:04:35,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 08:04:35,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 08:04:35,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 08:04:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-22 08:04:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 08:04:35,604 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 08:04:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 08:04:35,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 08:04:35,700 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 08:04:35,703 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 08:04:36,363 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-22 08:04:36,364 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 08:04:36,377 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 08:04:36,378 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 08:04:36,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 08:04:36 BoogieIcfgContainer [2024-11-22 08:04:36,379 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 08:04:36,382 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 08:04:36,383 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 08:04:36,385 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 08:04:36,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 08:04:34" (1/3) ... [2024-11-22 08:04:36,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fcb38f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 08:04:36, skipping insertion in model container [2024-11-22 08:04:36,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:04:35" (2/3) ... [2024-11-22 08:04:36,387 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fcb38f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 08:04:36, skipping insertion in model container [2024-11-22 08:04:36,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 08:04:36" (3/3) ... [2024-11-22 08:04:36,388 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-42.i [2024-11-22 08:04:36,403 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 08:04:36,403 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 08:04:36,474 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 08:04:36,479 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;@6b4e1f15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 08:04:36,479 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 08:04:36,484 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 52 states have internal predecessors, (77), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 08:04:36,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-22 08:04:36,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 08:04:36,496 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 08:04:36,496 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 08:04:36,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 08:04:36,502 INFO L85 PathProgramCache]: Analyzing trace with hash 293078757, now seen corresponding path program 1 times [2024-11-22 08:04:36,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 08:04:36,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1503522804] [2024-11-22 08:04:36,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:36,516 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 08:04:36,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 08:04:36,519 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 08:04:36,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-22 08:04:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 08:04:36,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 08:04:36,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 08:04:36,909 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-11-22 08:04:36,909 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 08:04:36,910 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 08:04:36,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1503522804] [2024-11-22 08:04:36,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1503522804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 08:04:36,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 08:04:36,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 08:04:36,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474799481] [2024-11-22 08:04:36,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 08:04:36,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 08:04:36,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 08:04:36,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 08:04:36,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 08:04:36,940 INFO L87 Difference]: Start difference. First operand has 72 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 52 states have internal predecessors, (77), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 08:04:36,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 08:04:36,968 INFO L93 Difference]: Finished difference Result 136 states and 236 transitions. [2024-11-22 08:04:36,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 08:04:36,970 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 129 [2024-11-22 08:04:36,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 08:04:36,978 INFO L225 Difference]: With dead ends: 136 [2024-11-22 08:04:36,978 INFO L226 Difference]: Without dead ends: 67 [2024-11-22 08:04:36,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 08:04:36,987 INFO L432 NwaCegarLoop]: 103 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, 103 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 08:04:36,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 08:04:37,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-22 08:04:37,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-22 08:04:37,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 47 states have (on average 1.425531914893617) internal successors, (67), 47 states have internal predecessors, (67), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 08:04:37,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 103 transitions. [2024-11-22 08:04:37,043 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 103 transitions. Word has length 129 [2024-11-22 08:04:37,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 08:04:37,044 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 103 transitions. [2024-11-22 08:04:37,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 08:04:37,044 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 103 transitions. [2024-11-22 08:04:37,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-22 08:04:37,049 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 08:04:37,049 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 08:04:37,059 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-22 08:04:37,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 08:04:37,251 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 08:04:37,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 08:04:37,252 INFO L85 PathProgramCache]: Analyzing trace with hash 2013606881, now seen corresponding path program 1 times [2024-11-22 08:04:37,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 08:04:37,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [764830494] [2024-11-22 08:04:37,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:37,253 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 08:04:37,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 08:04:37,256 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 08:04:37,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-22 08:04:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 08:04:37,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 08:04:37,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 08:04:37,889 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 08:04:37,893 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 08:04:37,893 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 08:04:37,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [764830494] [2024-11-22 08:04:37,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [764830494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 08:04:37,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 08:04:37,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 08:04:37,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94181284] [2024-11-22 08:04:37,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 08:04:37,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 08:04:37,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 08:04:37,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 08:04:37,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 08:04:37,897 INFO L87 Difference]: Start difference. First operand 67 states and 103 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 08:04:38,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 08:04:38,300 INFO L93 Difference]: Finished difference Result 196 states and 304 transitions. [2024-11-22 08:04:38,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 08:04:38,307 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 129 [2024-11-22 08:04:38,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 08:04:38,310 INFO L225 Difference]: With dead ends: 196 [2024-11-22 08:04:38,310 INFO L226 Difference]: Without dead ends: 132 [2024-11-22 08:04:38,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 08:04:38,312 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 87 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 08:04:38,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 289 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 08:04:38,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-22 08:04:38,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 102. [2024-11-22 08:04:38,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 63 states have internal predecessors, (83), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-22 08:04:38,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 155 transitions. [2024-11-22 08:04:38,350 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 155 transitions. Word has length 129 [2024-11-22 08:04:38,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 08:04:38,350 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 155 transitions. [2024-11-22 08:04:38,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 08:04:38,351 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 155 transitions. [2024-11-22 08:04:38,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-22 08:04:38,352 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 08:04:38,353 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 08:04:38,364 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-22 08:04:38,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 08:04:38,553 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 08:04:38,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 08:04:38,555 INFO L85 PathProgramCache]: Analyzing trace with hash -105600659, now seen corresponding path program 1 times [2024-11-22 08:04:38,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 08:04:38,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1033451720] [2024-11-22 08:04:38,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:38,556 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 08:04:38,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 08:04:38,558 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 08:04:38,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-22 08:04:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 08:04:38,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 08:04:38,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 08:04:39,536 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 08:04:39,540 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 08:04:39,540 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 08:04:39,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1033451720] [2024-11-22 08:04:39,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1033451720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 08:04:39,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 08:04:39,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 08:04:39,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912717725] [2024-11-22 08:04:39,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 08:04:39,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 08:04:39,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 08:04:39,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 08:04:39,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 08:04:39,546 INFO L87 Difference]: Start difference. First operand 102 states and 155 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 08:04:40,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 08:04:40,807 INFO L93 Difference]: Finished difference Result 301 states and 473 transitions. [2024-11-22 08:04:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 08:04:40,812 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 130 [2024-11-22 08:04:40,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 08:04:40,816 INFO L225 Difference]: With dead ends: 301 [2024-11-22 08:04:40,816 INFO L226 Difference]: Without dead ends: 237 [2024-11-22 08:04:40,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-22 08:04:40,818 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 150 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-22 08:04:40,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 450 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-22 08:04:40,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-22 08:04:40,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 164. [2024-11-22 08:04:40,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 54 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-22 08:04:40,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 252 transitions. [2024-11-22 08:04:40,857 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 252 transitions. Word has length 130 [2024-11-22 08:04:40,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 08:04:40,858 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 252 transitions. [2024-11-22 08:04:40,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 08:04:40,858 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 252 transitions. [2024-11-22 08:04:40,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-22 08:04:40,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 08:04:40,861 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 08:04:40,874 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 [2024-11-22 08:04:41,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 08:04:41,062 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 08:04:41,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 08:04:41,062 INFO L85 PathProgramCache]: Analyzing trace with hash -239614165, now seen corresponding path program 1 times [2024-11-22 08:04:41,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 08:04:41,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [767369178] [2024-11-22 08:04:41,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:41,064 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 08:04:41,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 08:04:41,067 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 08:04:41,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-22 08:04:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 08:04:41,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 08:04:41,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 08:04:41,346 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 08:04:41,346 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 08:04:41,347 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 08:04:41,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [767369178] [2024-11-22 08:04:41,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [767369178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 08:04:41,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 08:04:41,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 08:04:41,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158137167] [2024-11-22 08:04:41,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 08:04:41,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 08:04:41,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 08:04:41,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 08:04:41,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 08:04:41,350 INFO L87 Difference]: Start difference. First operand 164 states and 252 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 08:04:41,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 08:04:41,556 INFO L93 Difference]: Finished difference Result 290 states and 449 transitions. [2024-11-22 08:04:41,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 08:04:41,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 130 [2024-11-22 08:04:41,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 08:04:41,568 INFO L225 Difference]: With dead ends: 290 [2024-11-22 08:04:41,568 INFO L226 Difference]: Without dead ends: 164 [2024-11-22 08:04:41,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 08:04:41,570 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 08:04:41,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 185 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 08:04:41,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-22 08:04:41,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2024-11-22 08:04:41,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 106 states have (on average 1.3396226415094339) internal successors, (142), 106 states have internal predecessors, (142), 54 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-22 08:04:41,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 250 transitions. [2024-11-22 08:04:41,600 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 250 transitions. Word has length 130 [2024-11-22 08:04:41,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 08:04:41,601 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 250 transitions. [2024-11-22 08:04:41,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 08:04:41,602 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 250 transitions. [2024-11-22 08:04:41,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-22 08:04:41,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 08:04:41,604 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 08:04:41,616 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-22 08:04:41,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 08:04:41,808 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 08:04:41,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 08:04:41,808 INFO L85 PathProgramCache]: Analyzing trace with hash 2061208425, now seen corresponding path program 1 times [2024-11-22 08:04:41,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 08:04:41,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [609765807] [2024-11-22 08:04:41,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:41,809 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 08:04:41,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 08:04:41,813 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 08:04:41,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-22 08:04:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 08:04:42,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 08:04:42,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 08:04:42,419 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 401 proven. 45 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-22 08:04:42,423 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 08:04:42,754 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 51 proven. 48 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2024-11-22 08:04:42,754 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 08:04:42,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [609765807] [2024-11-22 08:04:42,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [609765807] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 08:04:42,755 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 08:04:42,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2024-11-22 08:04:42,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871650287] [2024-11-22 08:04:42,755 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 08:04:42,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 08:04:42,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 08:04:42,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 08:04:42,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-22 08:04:42,759 INFO L87 Difference]: Start difference. First operand 164 states and 250 transitions. Second operand has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 7 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-22 08:04:43,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 08:04:43,784 INFO L93 Difference]: Finished difference Result 357 states and 509 transitions. [2024-11-22 08:04:43,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-22 08:04:43,785 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 7 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 130 [2024-11-22 08:04:43,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 08:04:43,788 INFO L225 Difference]: With dead ends: 357 [2024-11-22 08:04:43,788 INFO L226 Difference]: Without dead ends: 293 [2024-11-22 08:04:43,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 248 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=315, Invalid=741, Unknown=0, NotChecked=0, Total=1056 [2024-11-22 08:04:43,790 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 138 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 08:04:43,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 516 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 08:04:43,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-22 08:04:43,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 267. [2024-11-22 08:04:43,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 182 states have (on average 1.3131868131868132) internal successors, (239), 182 states have internal predecessors, (239), 72 states have call successors, (72), 12 states have call predecessors, (72), 12 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-22 08:04:43,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 383 transitions. [2024-11-22 08:04:43,839 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 383 transitions. Word has length 130 [2024-11-22 08:04:43,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 08:04:43,840 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 383 transitions. [2024-11-22 08:04:43,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 7 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-22 08:04:43,840 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 383 transitions. [2024-11-22 08:04:43,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-22 08:04:43,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 08:04:43,846 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 08:04:43,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-22 08:04:44,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 08:04:44,047 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 08:04:44,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 08:04:44,048 INFO L85 PathProgramCache]: Analyzing trace with hash 255770091, now seen corresponding path program 1 times [2024-11-22 08:04:44,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 08:04:44,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [879596882] [2024-11-22 08:04:44,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:44,049 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 08:04:44,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 08:04:44,051 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 08:04:44,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-22 08:04:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 08:04:44,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 08:04:44,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 08:04:44,476 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 141 proven. 45 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-22 08:04:44,477 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 08:04:44,578 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 08:04:44,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [879596882] [2024-11-22 08:04:44,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [879596882] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 08:04:44,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [535841134] [2024-11-22 08:04:44,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:44,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-22 08:04:44,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-22 08:04:44,582 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-22 08:04:44,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-22 08:04:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 08:04:45,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 08:04:45,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 08:04:45,680 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 08:04:45,681 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 08:04:45,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [535841134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 08:04:45,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 08:04:45,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-22 08:04:45,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86472813] [2024-11-22 08:04:45,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 08:04:45,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 08:04:45,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 08:04:45,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 08:04:45,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-22 08:04:45,684 INFO L87 Difference]: Start difference. First operand 267 states and 383 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 08:04:48,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 08:04:48,065 INFO L93 Difference]: Finished difference Result 802 states and 1166 transitions. [2024-11-22 08:04:48,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 08:04:48,074 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 130 [2024-11-22 08:04:48,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 08:04:48,078 INFO L225 Difference]: With dead ends: 802 [2024-11-22 08:04:48,079 INFO L226 Difference]: Without dead ends: 661 [2024-11-22 08:04:48,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-22 08:04:48,080 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 187 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-22 08:04:48,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 479 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-22 08:04:48,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2024-11-22 08:04:48,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 574. [2024-11-22 08:04:48,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 420 states have (on average 1.3666666666666667) internal successors, (574), 422 states have internal predecessors, (574), 130 states have call successors, (130), 23 states have call predecessors, (130), 23 states have return successors, (130), 128 states have call predecessors, (130), 130 states have call successors, (130) [2024-11-22 08:04:48,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 834 transitions. [2024-11-22 08:04:48,138 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 834 transitions. Word has length 130 [2024-11-22 08:04:48,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 08:04:48,139 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 834 transitions. [2024-11-22 08:04:48,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 08:04:48,139 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 834 transitions. [2024-11-22 08:04:48,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-22 08:04:48,141 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 08:04:48,141 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 08:04:48,155 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 (7)] Forceful destruction successful, exit code 0 [2024-11-22 08:04:48,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-22 08:04:48,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-22 08:04:48,542 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 08:04:48,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 08:04:48,543 INFO L85 PathProgramCache]: Analyzing trace with hash 474624809, now seen corresponding path program 1 times [2024-11-22 08:04:48,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 08:04:48,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1997539762] [2024-11-22 08:04:48,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:48,544 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 08:04:48,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 08:04:48,548 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 08:04:48,549 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 (9)] Waiting until timeout for monitored process [2024-11-22 08:04:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 08:04:48,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 08:04:48,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 08:04:49,032 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 08:04:49,032 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 08:04:49,033 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 08:04:49,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1997539762] [2024-11-22 08:04:49,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1997539762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 08:04:49,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 08:04:49,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 08:04:49,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891474733] [2024-11-22 08:04:49,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 08:04:49,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 08:04:49,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 08:04:49,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 08:04:49,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 08:04:49,035 INFO L87 Difference]: Start difference. First operand 574 states and 834 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 08:04:49,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 08:04:49,543 INFO L93 Difference]: Finished difference Result 1513 states and 2209 transitions. [2024-11-22 08:04:49,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 08:04:49,545 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 130 [2024-11-22 08:04:49,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 08:04:49,555 INFO L225 Difference]: With dead ends: 1513 [2024-11-22 08:04:49,555 INFO L226 Difference]: Without dead ends: 1069 [2024-11-22 08:04:49,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 08:04:49,558 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 148 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 08:04:49,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 280 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 08:04:49,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2024-11-22 08:04:49,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 894. [2024-11-22 08:04:49,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 894 states, 656 states have (on average 1.3719512195121952) internal successors, (900), 658 states have internal predecessors, (900), 202 states have call successors, (202), 35 states have call predecessors, (202), 35 states have return successors, (202), 200 states have call predecessors, (202), 202 states have call successors, (202) [2024-11-22 08:04:49,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1304 transitions. [2024-11-22 08:04:49,666 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1304 transitions. Word has length 130 [2024-11-22 08:04:49,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 08:04:49,667 INFO L471 AbstractCegarLoop]: Abstraction has 894 states and 1304 transitions. [2024-11-22 08:04:49,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 08:04:49,668 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1304 transitions. [2024-11-22 08:04:49,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-22 08:04:49,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 08:04:49,670 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 08:04:49,683 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 (9)] Forceful destruction successful, exit code 0 [2024-11-22 08:04:49,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 08:04:49,872 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 08:04:49,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 08:04:49,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1097424877, now seen corresponding path program 1 times [2024-11-22 08:04:49,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 08:04:49,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1853952259] [2024-11-22 08:04:49,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:49,874 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 08:04:49,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 08:04:49,878 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 08:04:49,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-22 08:04:50,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 08:04:50,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 08:04:50,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 08:04:50,706 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 141 proven. 45 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-22 08:04:50,706 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 08:04:50,980 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 08:04:50,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1853952259] [2024-11-22 08:04:50,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1853952259] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 08:04:50,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [989356333] [2024-11-22 08:04:50,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:50,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-22 08:04:50,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-22 08:04:50,982 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-22 08:04:50,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-22 08:04:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 08:04:51,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 08:04:51,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 08:04:52,287 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-22 08:04:52,287 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 08:04:52,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [989356333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 08:04:52,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 08:04:52,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2024-11-22 08:04:52,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685476932] [2024-11-22 08:04:52,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 08:04:52,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 08:04:52,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 08:04:52,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 08:04:52,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-22 08:04:52,290 INFO L87 Difference]: Start difference. First operand 894 states and 1304 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 08:04:53,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 08:04:53,788 INFO L93 Difference]: Finished difference Result 1793 states and 2622 transitions. [2024-11-22 08:04:53,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 08:04:53,789 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 130 [2024-11-22 08:04:53,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 08:04:53,795 INFO L225 Difference]: With dead ends: 1793 [2024-11-22 08:04:53,795 INFO L226 Difference]: Without dead ends: 959 [2024-11-22 08:04:53,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-22 08:04:53,798 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 100 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-22 08:04:53,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 444 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-22 08:04:53,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2024-11-22 08:04:53,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 890. [2024-11-22 08:04:53,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 890 states, 652 states have (on average 1.361963190184049) internal successors, (888), 654 states have internal predecessors, (888), 202 states have call successors, (202), 35 states have call predecessors, (202), 35 states have return successors, (202), 200 states have call predecessors, (202), 202 states have call successors, (202) [2024-11-22 08:04:53,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1292 transitions. [2024-11-22 08:04:53,884 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1292 transitions. Word has length 130 [2024-11-22 08:04:53,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 08:04:53,885 INFO L471 AbstractCegarLoop]: Abstraction has 890 states and 1292 transitions. [2024-11-22 08:04:53,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-22 08:04:53,885 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1292 transitions. [2024-11-22 08:04:53,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-22 08:04:53,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 08:04:53,887 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 08:04:53,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-22 08:04:54,100 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 (10)] Ended with exit code 0 [2024-11-22 08:04:54,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 08:04:54,288 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 08:04:54,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 08:04:54,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1467723606, now seen corresponding path program 1 times [2024-11-22 08:04:54,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 08:04:54,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [387586319] [2024-11-22 08:04:54,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:04:54,289 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 08:04:54,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 08:04:54,291 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 08:04:54,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-22 08:04:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 08:04:54,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 08:04:54,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 08:04:54,713 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 141 proven. 45 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-22 08:04:54,714 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 08:04:56,653 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-22 08:04:56,653 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 08:04:56,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [387586319] [2024-11-22 08:04:56,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [387586319] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 08:04:56,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 08:04:56,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-22 08:04:56,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897672983] [2024-11-22 08:04:56,654 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 08:04:56,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 08:04:56,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 08:04:56,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 08:04:56,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-22 08:04:56,656 INFO L87 Difference]: Start difference. First operand 890 states and 1292 transitions. Second operand has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-22 08:05:02,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 08:05:02,925 INFO L93 Difference]: Finished difference Result 1742 states and 2432 transitions. [2024-11-22 08:05:02,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-22 08:05:02,926 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 131 [2024-11-22 08:05:02,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 08:05:02,933 INFO L225 Difference]: With dead ends: 1742 [2024-11-22 08:05:02,933 INFO L226 Difference]: Without dead ends: 1368 [2024-11-22 08:05:02,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=356, Invalid=766, Unknown=0, NotChecked=0, Total=1122 [2024-11-22 08:05:02,935 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 238 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-22 08:05:02,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 369 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-22 08:05:02,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2024-11-22 08:05:03,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1093. [2024-11-22 08:05:03,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1093 states, 819 states have (on average 1.3357753357753357) internal successors, (1094), 829 states have internal predecessors, (1094), 218 states have call successors, (218), 55 states have call predecessors, (218), 55 states have return successors, (218), 208 states have call predecessors, (218), 218 states have call successors, (218) [2024-11-22 08:05:03,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 1093 states and 1530 transitions. [2024-11-22 08:05:03,031 INFO L78 Accepts]: Start accepts. Automaton has 1093 states and 1530 transitions. Word has length 131 [2024-11-22 08:05:03,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 08:05:03,032 INFO L471 AbstractCegarLoop]: Abstraction has 1093 states and 1530 transitions. [2024-11-22 08:05:03,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-22 08:05:03,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1530 transitions. [2024-11-22 08:05:03,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-22 08:05:03,033 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 08:05:03,034 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 08:05:03,046 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 (12)] Ended with exit code 0 [2024-11-22 08:05:03,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 08:05:03,234 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 08:05:03,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 08:05:03,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1209558168, now seen corresponding path program 1 times [2024-11-22 08:05:03,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 08:05:03,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [823682573] [2024-11-22 08:05:03,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 08:05:03,236 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 08:05:03,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 08:05:03,237 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 08:05:03,238 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 (13)] Waiting until timeout for monitored process [2024-11-22 08:05:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 08:05:03,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-22 08:05:03,445 INFO L278 TraceCheckSpWp]: Computing forward predicates...