./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-13.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-13.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 062a802759b4aa2a0cbcb5cdde30f3437c09c950e76bee485cf882952e2d339f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 21:14:14,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 21:14:14,323 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 21:14:14,328 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 21:14:14,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 21:14:14,353 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 21:14:14,353 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 21:14:14,353 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 21:14:14,354 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 21:14:14,357 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 21:14:14,357 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 21:14:14,357 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 21:14:14,357 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 21:14:14,358 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 21:14:14,358 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 21:14:14,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 21:14:14,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 21:14:14,358 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 21:14:14,359 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 21:14:14,359 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 21:14:14,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 21:14:14,360 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 21:14:14,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 21:14:14,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 21:14:14,360 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 21:14:14,360 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 21:14:14,361 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 21:14:14,361 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 21:14:14,361 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 21:14:14,361 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 21:14:14,361 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 21:14:14,361 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 21:14:14,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 21:14:14,362 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 21:14:14,362 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 21:14:14,362 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 21:14:14,362 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 21:14:14,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 21:14:14,363 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 21:14:14,363 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 21:14:14,363 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 21:14:14,363 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 21:14:14,363 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 062a802759b4aa2a0cbcb5cdde30f3437c09c950e76bee485cf882952e2d339f [2024-11-18 21:14:14,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 21:14:14,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 21:14:14,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 21:14:14,591 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 21:14:14,592 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 21:14:14,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-13.i [2024-11-18 21:14:15,873 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 21:14:16,039 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 21:14:16,040 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-13.i [2024-11-18 21:14:16,049 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ed53a2ca/214cdadc9a9d432d8b1f844c8d5e8c00/FLAG93425fa28 [2024-11-18 21:14:16,439 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ed53a2ca/214cdadc9a9d432d8b1f844c8d5e8c00 [2024-11-18 21:14:16,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 21:14:16,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 21:14:16,443 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 21:14:16,443 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 21:14:16,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 21:14:16,447 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:14:16" (1/1) ... [2024-11-18 21:14:16,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c689d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:16, skipping insertion in model container [2024-11-18 21:14:16,448 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:14:16" (1/1) ... [2024-11-18 21:14:16,475 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 21:14:16,632 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-ps-ci_file-13.i[919,932] [2024-11-18 21:14:16,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 21:14:16,709 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 21:14:16,723 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-ps-ci_file-13.i[919,932] [2024-11-18 21:14:16,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 21:14:16,774 INFO L204 MainTranslator]: Completed translation [2024-11-18 21:14:16,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:16 WrapperNode [2024-11-18 21:14:16,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 21:14:16,776 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 21:14:16,777 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 21:14:16,777 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 21:14:16,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:16" (1/1) ... [2024-11-18 21:14:16,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:16" (1/1) ... [2024-11-18 21:14:16,829 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 192 [2024-11-18 21:14:16,829 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 21:14:16,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 21:14:16,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 21:14:16,830 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 21:14:16,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:16" (1/1) ... [2024-11-18 21:14:16,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:16" (1/1) ... [2024-11-18 21:14:16,844 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:16" (1/1) ... [2024-11-18 21:14:16,871 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-18 21:14:16,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:16" (1/1) ... [2024-11-18 21:14:16,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:16" (1/1) ... [2024-11-18 21:14:16,886 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:16" (1/1) ... [2024-11-18 21:14:16,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:16" (1/1) ... [2024-11-18 21:14:16,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:16" (1/1) ... [2024-11-18 21:14:16,897 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:16" (1/1) ... [2024-11-18 21:14:16,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 21:14:16,906 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 21:14:16,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 21:14:16,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 21:14:16,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:16" (1/1) ... [2024-11-18 21:14:16,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 21:14:16,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 21:14:16,935 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 21:14:16,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 21:14:16,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 21:14:16,973 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 21:14:16,973 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 21:14:16,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 21:14:16,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 21:14:16,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 21:14:17,048 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 21:14:17,050 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 21:14:17,442 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-18 21:14:17,442 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 21:14:17,455 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 21:14:17,455 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 21:14:17,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:14:17 BoogieIcfgContainer [2024-11-18 21:14:17,456 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 21:14:17,458 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 21:14:17,458 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 21:14:17,460 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 21:14:17,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:14:16" (1/3) ... [2024-11-18 21:14:17,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68793405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:14:17, skipping insertion in model container [2024-11-18 21:14:17,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:16" (2/3) ... [2024-11-18 21:14:17,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68793405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:14:17, skipping insertion in model container [2024-11-18 21:14:17,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:14:17" (3/3) ... [2024-11-18 21:14:17,463 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-13.i [2024-11-18 21:14:17,476 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 21:14:17,477 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 21:14:17,520 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 21:14:17,526 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;@62dc67b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 21:14:17,526 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 21:14:17,533 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 60 states have (on average 1.4833333333333334) internal successors, (89), 61 states have internal predecessors, (89), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-18 21:14:17,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-18 21:14:17,547 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:14:17,548 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:14:17,548 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:14:17,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:14:17,553 INFO L85 PathProgramCache]: Analyzing trace with hash -350319648, now seen corresponding path program 1 times [2024-11-18 21:14:17,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 21:14:17,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728782910] [2024-11-18 21:14:17,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:14:17,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 21:14:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:14:18,292 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-18 21:14:18,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 21:14:18,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728782910] [2024-11-18 21:14:18,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728782910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 21:14:18,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 21:14:18,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 21:14:18,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459986839] [2024-11-18 21:14:18,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 21:14:18,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 21:14:18,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 21:14:18,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 21:14:18,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 21:14:18,317 INFO L87 Difference]: Start difference. First operand has 83 states, 60 states have (on average 1.4833333333333334) internal successors, (89), 61 states have internal predecessors, (89), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-18 21:14:18,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 21:14:18,707 INFO L93 Difference]: Finished difference Result 237 states and 420 transitions. [2024-11-18 21:14:18,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 21:14:18,710 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 140 [2024-11-18 21:14:18,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 21:14:18,719 INFO L225 Difference]: With dead ends: 237 [2024-11-18 21:14:18,720 INFO L226 Difference]: Without dead ends: 157 [2024-11-18 21:14:18,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-18 21:14:18,729 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 119 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 21:14:18,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 436 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 21:14:18,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-18 21:14:18,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 133. [2024-11-18 21:14:18,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 90 states have (on average 1.3888888888888888) internal successors, (125), 90 states have internal predecessors, (125), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-18 21:14:18,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 205 transitions. [2024-11-18 21:14:18,799 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 205 transitions. Word has length 140 [2024-11-18 21:14:18,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 21:14:18,799 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 205 transitions. [2024-11-18 21:14:18,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-18 21:14:18,800 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 205 transitions. [2024-11-18 21:14:18,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-18 21:14:18,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:14:18,802 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:14:18,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 21:14:18,802 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:14:18,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:14:18,803 INFO L85 PathProgramCache]: Analyzing trace with hash 430557083, now seen corresponding path program 1 times [2024-11-18 21:14:18,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 21:14:18,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599480043] [2024-11-18 21:14:18,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:14:18,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 21:14:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:14:19,000 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-18 21:14:19,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 21:14:19,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599480043] [2024-11-18 21:14:19,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599480043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 21:14:19,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 21:14:19,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 21:14:19,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356232819] [2024-11-18 21:14:19,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 21:14:19,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 21:14:19,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 21:14:19,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 21:14:19,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 21:14:19,005 INFO L87 Difference]: Start difference. First operand 133 states and 205 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-18 21:14:19,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 21:14:19,087 INFO L93 Difference]: Finished difference Result 288 states and 443 transitions. [2024-11-18 21:14:19,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 21:14:19,089 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 141 [2024-11-18 21:14:19,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 21:14:19,093 INFO L225 Difference]: With dead ends: 288 [2024-11-18 21:14:19,093 INFO L226 Difference]: Without dead ends: 209 [2024-11-18 21:14:19,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 21:14:19,096 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 77 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 21:14:19,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 314 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 21:14:19,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-18 21:14:19,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 207. [2024-11-18 21:14:19,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 143 states have (on average 1.3916083916083917) internal successors, (199), 143 states have internal predecessors, (199), 60 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-18 21:14:19,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 319 transitions. [2024-11-18 21:14:19,130 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 319 transitions. Word has length 141 [2024-11-18 21:14:19,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 21:14:19,131 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 319 transitions. [2024-11-18 21:14:19,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-18 21:14:19,131 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 319 transitions. [2024-11-18 21:14:19,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-18 21:14:19,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:14:19,133 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:14:19,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 21:14:19,133 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:14:19,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:14:19,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1690713357, now seen corresponding path program 1 times [2024-11-18 21:14:19,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 21:14:19,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806458921] [2024-11-18 21:14:19,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:14:19,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 21:14:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:14:19,354 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-18 21:14:19,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 21:14:19,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806458921] [2024-11-18 21:14:19,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806458921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 21:14:19,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 21:14:19,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 21:14:19,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531983893] [2024-11-18 21:14:19,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 21:14:19,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 21:14:19,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 21:14:19,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 21:14:19,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-18 21:14:19,357 INFO L87 Difference]: Start difference. First operand 207 states and 319 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-18 21:14:19,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 21:14:19,588 INFO L93 Difference]: Finished difference Result 399 states and 610 transitions. [2024-11-18 21:14:19,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 21:14:19,589 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 143 [2024-11-18 21:14:19,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 21:14:19,592 INFO L225 Difference]: With dead ends: 399 [2024-11-18 21:14:19,592 INFO L226 Difference]: Without dead ends: 249 [2024-11-18 21:14:19,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-18 21:14:19,596 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 169 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 21:14:19,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 212 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 21:14:19,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-11-18 21:14:19,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 213. [2024-11-18 21:14:19,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 149 states have (on average 1.389261744966443) internal successors, (207), 149 states have internal predecessors, (207), 60 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-18 21:14:19,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 327 transitions. [2024-11-18 21:14:19,632 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 327 transitions. Word has length 143 [2024-11-18 21:14:19,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 21:14:19,633 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 327 transitions. [2024-11-18 21:14:19,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-18 21:14:19,633 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 327 transitions. [2024-11-18 21:14:19,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-18 21:14:19,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:14:19,638 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:14:19,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 21:14:19,638 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:14:19,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:14:19,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1103907343, now seen corresponding path program 1 times [2024-11-18 21:14:19,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 21:14:19,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053790219] [2024-11-18 21:14:19,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:14:19,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 21:14:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:14:20,096 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 30 proven. 27 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-18 21:14:20,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 21:14:20,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053790219] [2024-11-18 21:14:20,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053790219] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 21:14:20,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033865527] [2024-11-18 21:14:20,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:14:20,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 21:14:20,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 21:14:20,099 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 21:14:20,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 21:14:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:14:20,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-18 21:14:20,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 21:14:20,583 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 417 proven. 78 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-18 21:14:20,583 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 21:14:21,011 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 30 proven. 81 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2024-11-18 21:14:21,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033865527] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 21:14:21,012 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 21:14:21,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-11-18 21:14:21,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635096058] [2024-11-18 21:14:21,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 21:14:21,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-18 21:14:21,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 21:14:21,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-18 21:14:21,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2024-11-18 21:14:21,015 INFO L87 Difference]: Start difference. First operand 213 states and 327 transitions. Second operand has 18 states, 18 states have (on average 6.0) internal successors, (108), 18 states have internal predecessors, (108), 7 states have call successors, (58), 3 states have call predecessors, (58), 7 states have return successors, (59), 7 states have call predecessors, (59), 7 states have call successors, (59) [2024-11-18 21:14:21,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 21:14:21,746 INFO L93 Difference]: Finished difference Result 449 states and 658 transitions. [2024-11-18 21:14:21,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-18 21:14:21,747 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.0) internal successors, (108), 18 states have internal predecessors, (108), 7 states have call successors, (58), 3 states have call predecessors, (58), 7 states have return successors, (59), 7 states have call predecessors, (59), 7 states have call successors, (59) Word has length 143 [2024-11-18 21:14:21,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 21:14:21,748 INFO L225 Difference]: With dead ends: 449 [2024-11-18 21:14:21,749 INFO L226 Difference]: Without dead ends: 283 [2024-11-18 21:14:21,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=338, Invalid=922, Unknown=0, NotChecked=0, Total=1260 [2024-11-18 21:14:21,750 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 892 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 894 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-18 21:14:21,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [894 Valid, 305 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-18 21:14:21,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-18 21:14:21,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 234. [2024-11-18 21:14:21,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 164 states have (on average 1.298780487804878) internal successors, (213), 164 states have internal predecessors, (213), 60 states have call successors, (60), 9 states have call predecessors, (60), 9 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-18 21:14:21,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 333 transitions. [2024-11-18 21:14:21,774 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 333 transitions. Word has length 143 [2024-11-18 21:14:21,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 21:14:21,774 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 333 transitions. [2024-11-18 21:14:21,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.0) internal successors, (108), 18 states have internal predecessors, (108), 7 states have call successors, (58), 3 states have call predecessors, (58), 7 states have return successors, (59), 7 states have call predecessors, (59), 7 states have call successors, (59) [2024-11-18 21:14:21,775 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 333 transitions. [2024-11-18 21:14:21,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-18 21:14:21,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:14:21,776 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:14:21,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-18 21:14:21,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 21:14:21,977 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:14:21,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:14:21,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1834438604, now seen corresponding path program 1 times [2024-11-18 21:14:21,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 21:14:21,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526342236] [2024-11-18 21:14:21,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:14:21,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 21:14:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-18 21:14:22,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [340135156] [2024-11-18 21:14:22,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:14:22,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 21:14:22,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 21:14:22,042 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 21:14:22,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-18 21:14:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:14:22,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-18 21:14:22,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 21:14:22,553 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 438 proven. 57 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-18 21:14:22,554 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 21:14:28,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 21:14:28,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526342236] [2024-11-18 21:14:28,086 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-18 21:14:28,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340135156] [2024-11-18 21:14:28,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340135156] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 21:14:28,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-18 21:14:28,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-18 21:14:28,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049730782] [2024-11-18 21:14:28,087 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-18 21:14:28,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 21:14:28,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 21:14:28,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 21:14:28,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=59, Unknown=1, NotChecked=0, Total=90 [2024-11-18 21:14:28,088 INFO L87 Difference]: Start difference. First operand 234 states and 333 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (20), 3 states have call predecessors, (20), 5 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-18 21:14:34,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 21:14:34,484 INFO L93 Difference]: Finished difference Result 443 states and 614 transitions. [2024-11-18 21:14:34,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-18 21:14:34,486 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (20), 3 states have call predecessors, (20), 5 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 144 [2024-11-18 21:14:34,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 21:14:34,487 INFO L225 Difference]: With dead ends: 443 [2024-11-18 21:14:34,487 INFO L226 Difference]: Without dead ends: 264 [2024-11-18 21:14:34,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=58, Invalid=97, Unknown=1, NotChecked=0, Total=156 [2024-11-18 21:14:34,488 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 130 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-11-18 21:14:34,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 231 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2024-11-18 21:14:34,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-18 21:14:34,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 258. [2024-11-18 21:14:34,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 182 states have (on average 1.2527472527472527) internal successors, (228), 182 states have internal predecessors, (228), 60 states have call successors, (60), 15 states have call predecessors, (60), 15 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-18 21:14:34,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 348 transitions. [2024-11-18 21:14:34,513 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 348 transitions. Word has length 144 [2024-11-18 21:14:34,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 21:14:34,514 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 348 transitions. [2024-11-18 21:14:34,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (20), 3 states have call predecessors, (20), 5 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-18 21:14:34,514 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 348 transitions. [2024-11-18 21:14:34,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-18 21:14:34,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:14:34,516 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:14:34,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-18 21:14:34,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 21:14:34,717 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:14:34,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:14:34,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1300017762, now seen corresponding path program 1 times [2024-11-18 21:14:34,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 21:14:34,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130242202] [2024-11-18 21:14:34,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:14:34,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 21:14:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-18 21:14:34,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [724982866] [2024-11-18 21:14:34,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:14:34,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 21:14:34,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 21:14:34,790 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 21:14:34,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-18 21:14:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 21:14:34,974 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 21:14:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 21:14:35,084 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 21:14:35,085 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 21:14:35,086 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 21:14:35,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-18 21:14:35,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 21:14:35,292 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-18 21:14:35,381 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 21:14:35,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:14:35 BoogieIcfgContainer [2024-11-18 21:14:35,384 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 21:14:35,384 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 21:14:35,385 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 21:14:35,385 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 21:14:35,385 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:14:17" (3/4) ... [2024-11-18 21:14:35,388 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-18 21:14:35,388 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 21:14:35,389 INFO L158 Benchmark]: Toolchain (without parser) took 18947.34ms. Allocated memory was 159.4MB in the beginning and 257.9MB in the end (delta: 98.6MB). Free memory was 103.7MB in the beginning and 88.6MB in the end (delta: 15.1MB). Peak memory consumption was 116.2MB. Max. memory is 16.1GB. [2024-11-18 21:14:35,389 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory was 121.0MB in the beginning and 120.8MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 21:14:35,390 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.80ms. Allocated memory is still 159.4MB. Free memory was 103.7MB in the beginning and 85.8MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-18 21:14:35,390 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.49ms. Allocated memory is still 159.4MB. Free memory was 85.8MB in the beginning and 80.7MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-18 21:14:35,390 INFO L158 Benchmark]: Boogie Preprocessor took 75.49ms. Allocated memory is still 159.4MB. Free memory was 80.7MB in the beginning and 73.9MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-18 21:14:35,390 INFO L158 Benchmark]: RCFGBuilder took 549.30ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 73.9MB in the beginning and 167.5MB in the end (delta: -93.6MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2024-11-18 21:14:35,391 INFO L158 Benchmark]: TraceAbstraction took 17926.43ms. Allocated memory was 213.9MB in the beginning and 257.9MB in the end (delta: 44.0MB). Free memory was 166.4MB in the beginning and 89.7MB in the end (delta: 76.8MB). Peak memory consumption was 120.8MB. Max. memory is 16.1GB. [2024-11-18 21:14:35,391 INFO L158 Benchmark]: Witness Printer took 4.13ms. Allocated memory is still 257.9MB. Free memory was 89.7MB in the beginning and 88.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 21:14:35,392 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory was 121.0MB in the beginning and 120.8MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.80ms. Allocated memory is still 159.4MB. Free memory was 103.7MB in the beginning and 85.8MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.49ms. Allocated memory is still 159.4MB. Free memory was 85.8MB in the beginning and 80.7MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.49ms. Allocated memory is still 159.4MB. Free memory was 80.7MB in the beginning and 73.9MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 549.30ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 73.9MB in the beginning and 167.5MB in the end (delta: -93.6MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. * TraceAbstraction took 17926.43ms. Allocated memory was 213.9MB in the beginning and 257.9MB in the end (delta: 44.0MB). Free memory was 166.4MB in the beginning and 89.7MB in the end (delta: 76.8MB). Peak memory consumption was 120.8MB. Max. memory is 16.1GB. * Witness Printer took 4.13ms. Allocated memory is still 257.9MB. Free memory was 89.7MB in the beginning and 88.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 165, overapproximation of someUnaryDOUBLEoperation at line 81. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 32; [L23] signed char var_1_4 = 16; [L24] unsigned char var_1_5 = 1; [L25] unsigned char var_1_6 = 1; [L26] unsigned char var_1_8 = 1; [L27] unsigned char var_1_9 = 0; [L28] unsigned char var_1_10 = 128; [L29] unsigned char var_1_11 = 64; [L30] signed char var_1_12 = -10; [L31] signed char var_1_13 = -10; [L32] signed char var_1_14 = -25; [L33] double var_1_15 = 64.875; [L34] double var_1_17 = 1.625; [L35] double var_1_18 = 32.2; [L36] double var_1_19 = 8.6; [L37] double var_1_20 = 10.5; [L38] signed short int var_1_21 = -64; [L39] unsigned char var_1_22 = 25; [L40] unsigned char var_1_23 = 0; [L41] unsigned long int var_1_24 = 5; [L42] double var_1_25 = 0.75; [L43] unsigned char var_1_27 = 4; [L44] signed short int var_1_35 = -64; [L45] signed char var_1_36 = -10; [L46] signed long int var_1_39 = 256; [L47] double var_1_40 = 31.6; [L48] signed short int var_1_42 = 5; [L49] signed short int last_1_var_1_21 = -64; [L50] unsigned char last_1_var_1_22 = 25; VAL [isInitial=0, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=16, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L169] isInitial = 1 [L170] FCALL initially() [L171] COND TRUE 1 [L172] CALL updateLastVariables() [L161] last_1_var_1_21 = var_1_21 [L162] last_1_var_1_22 = var_1_22 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=16, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L172] RET updateLastVariables() [L173] CALL updateVariables() [L127] var_1_4 = __VERIFIER_nondet_char() [L128] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L128] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L129] CALL assume_abort_if_not(var_1_4 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L129] RET assume_abort_if_not(var_1_4 <= 32) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L130] var_1_5 = __VERIFIER_nondet_uchar() [L131] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_6=1, var_1_8=1, var_1_9=0] [L131] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_6=1, var_1_8=1, var_1_9=0] [L132] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L132] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L133] var_1_6 = __VERIFIER_nondet_uchar() [L134] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_8=1, var_1_9=0] [L134] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_8=1, var_1_9=0] [L135] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L135] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L136] var_1_9 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1] [L137] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1] [L138] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L138] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L139] var_1_10 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_10 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L140] RET assume_abort_if_not(var_1_10 >= 127) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L141] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L141] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L142] var_1_11 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_11 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L143] RET assume_abort_if_not(var_1_11 >= 63) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L144] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L144] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L145] var_1_13 = __VERIFIER_nondet_char() [L146] CALL assume_abort_if_not(var_1_13 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L146] RET assume_abort_if_not(var_1_13 >= -31) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L147] CALL assume_abort_if_not(var_1_13 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L147] RET assume_abort_if_not(var_1_13 <= 31) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L148] var_1_14 = __VERIFIER_nondet_char() [L149] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L149] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L150] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L150] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L151] var_1_17 = __VERIFIER_nondet_double() [L152] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L152] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L153] var_1_18 = __VERIFIER_nondet_double() [L154] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L154] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L155] var_1_19 = __VERIFIER_nondet_double() [L156] CALL assume_abort_if_not((var_1_19 >= -230584.3009213691390e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 2305843.009213691390e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L156] RET assume_abort_if_not((var_1_19 >= -230584.3009213691390e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 2305843.009213691390e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L157] var_1_20 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_20 >= -230584.3009213691390e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 2305843.009213691390e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L158] RET assume_abort_if_not((var_1_20 >= -230584.3009213691390e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 2305843.009213691390e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L173] RET updateVariables() [L174] CALL step() [L54] var_1_25 = var_1_19 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_19=2, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L55] COND FALSE !((var_1_20 >= var_1_18) && (var_1_11 >= var_1_22)) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_19=2, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L62] COND FALSE !(var_1_20 > var_1_18) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_19=2, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L67] COND TRUE var_1_11 >= (var_1_11 % ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_19=2, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L68] COND FALSE !(var_1_11 < var_1_4) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_19=2, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L74] COND TRUE var_1_1 > var_1_4 [L75] var_1_39 = ((((var_1_1) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_1) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_19=2, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L77] COND FALSE !(var_1_21 < ((((var_1_4) < (-64)) ? (var_1_4) : (-64)))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_19=2, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L80] EXPR var_1_11 | var_1_4 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_19=2, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L80] COND TRUE (var_1_11 | var_1_4) < (8 + var_1_11) [L81] var_1_40 = (((((((((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) > (var_1_19)) ? (((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) : (var_1_19))) < 0 ) ? -((((((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) > (var_1_19)) ? (((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) : (var_1_19))) : ((((((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) > (var_1_19)) ? (((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) : (var_1_19))))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_18=0, var_1_19=2, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L84] var_1_42 = var_1_22 [L85] signed long int stepLocal_1 = ~ last_1_var_1_21; [L86] unsigned char stepLocal_0 = var_1_5; VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_18=0, var_1_19=2, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L87] EXPR last_1_var_1_22 >> var_1_4 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_18=0, var_1_19=2, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L87] COND TRUE stepLocal_1 != (last_1_var_1_22 >> var_1_4) [L88] COND TRUE stepLocal_0 || var_1_6 [L89] var_1_1 = var_1_4 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_18=0, var_1_19=2, var_1_1=0, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L96] COND FALSE !(\read(var_1_9)) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_18=0, var_1_19=2, var_1_1=0, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L99] unsigned short int stepLocal_3 = var_1_1; VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_3=0, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_18=0, var_1_19=2, var_1_1=0, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L100] COND FALSE !(var_1_4 > stepLocal_3) [L103] var_1_15 = var_1_17 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=4, var_1_17=4, var_1_18=0, var_1_19=2, var_1_1=0, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L105] COND TRUE ((- var_1_11) < 8) || var_1_9 [L106] var_1_22 = (var_1_4 + ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=4, var_1_17=4, var_1_18=0, var_1_19=2, var_1_1=0, var_1_21=-64, var_1_22=63, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L108] var_1_23 = (var_1_11 + var_1_4) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=4, var_1_17=4, var_1_18=0, var_1_19=2, var_1_1=0, var_1_21=-64, var_1_22=63, var_1_23=63, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L109] COND TRUE var_1_18 <= var_1_20 [L110] var_1_24 = ((((var_1_8) < ((var_1_8 + var_1_11))) ? (var_1_8) : ((var_1_8 + var_1_11)))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=4, var_1_17=4, var_1_18=0, var_1_19=2, var_1_1=0, var_1_21=-64, var_1_22=63, var_1_23=63, var_1_24=1, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L116] COND FALSE !(var_1_6 || var_1_9) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=4, var_1_17=4, var_1_18=0, var_1_19=2, var_1_1=0, var_1_21=-64, var_1_22=63, var_1_23=63, var_1_24=1, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L121] signed short int stepLocal_2 = var_1_21; VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_2=-64, var_1_10=127, var_1_11=-193, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=4, var_1_17=4, var_1_18=0, var_1_19=2, var_1_1=0, var_1_21=-64, var_1_22=63, var_1_23=63, var_1_24=1, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L122] COND TRUE var_1_10 > stepLocal_2 [L123] var_1_12 = ((var_1_4 + var_1_13) + var_1_14) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=0, var_1_13=31, var_1_14=-31, var_1_15=4, var_1_17=4, var_1_18=0, var_1_19=2, var_1_1=0, var_1_21=-64, var_1_22=63, var_1_23=63, var_1_24=1, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L174] RET step() [L175] CALL, EXPR property() [L165] EXPR last_1_var_1_22 >> var_1_4 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=0, var_1_13=31, var_1_14=-31, var_1_15=4, var_1_17=4, var_1_18=0, var_1_19=2, var_1_1=0, var_1_21=-64, var_1_22=63, var_1_23=63, var_1_24=1, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L165-L166] return (((((((((~ last_1_var_1_21) != (last_1_var_1_22 >> var_1_4)) ? ((var_1_5 || var_1_6) ? (var_1_1 == ((unsigned short int) var_1_4)) : (var_1_1 == ((unsigned short int) last_1_var_1_22))) : (var_1_1 == ((unsigned short int) 100))) && (var_1_9 ? (var_1_8 == ((unsigned char) (var_1_10 - (var_1_11 - var_1_4)))) : 1)) && ((var_1_10 > var_1_21) ? (var_1_12 == ((signed char) ((var_1_4 + var_1_13) + var_1_14))) : 1)) && ((var_1_4 > var_1_1) ? (var_1_15 == ((double) ((var_1_17 - var_1_18) + (((((var_1_19) > (499.25)) ? (var_1_19) : (499.25))) + var_1_20)))) : (var_1_15 == ((double) var_1_17)))) && ((var_1_6 || var_1_9) ? (((var_1_24 % var_1_10) > var_1_22) ? (var_1_21 == ((signed short int) (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) + var_1_14))) : 1) : 1)) && ((((- var_1_11) < 8) || var_1_9) ? (var_1_22 == ((unsigned char) (var_1_4 + ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) : 1)) && (var_1_23 == ((unsigned char) (var_1_11 + var_1_4)))) && ((var_1_18 <= var_1_20) ? (var_1_24 == ((unsigned long int) ((((var_1_8) < ((var_1_8 + var_1_11))) ? (var_1_8) : ((var_1_8 + var_1_11)))))) : ((9.99999999999998E13 < var_1_20) ? (var_1_24 == ((unsigned long int) var_1_1)) : 1)) ; [L175] RET, EXPR property() [L175] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=0, var_1_13=31, var_1_14=-31, var_1_15=4, var_1_17=4, var_1_18=0, var_1_19=2, var_1_1=0, var_1_21=-64, var_1_22=63, var_1_23=63, var_1_24=1, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-193, var_1_12=0, var_1_13=31, var_1_14=-31, var_1_15=4, var_1_17=4, var_1_18=0, var_1_19=2, var_1_1=0, var_1_21=-64, var_1_22=63, var_1_23=63, var_1_24=1, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 83 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.8s, OverallIterations: 6, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1397 SdHoareTripleChecker+Valid, 6.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1387 mSDsluCounter, 1498 SdHoareTripleChecker+Invalid, 6.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1060 mSDsCounter, 248 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1293 IncrementalHoareTripleChecker+Invalid, 1541 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 248 mSolverCounterUnsat, 438 mSDtfsCounter, 1293 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 563 GetRequests, 503 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=258occurred in iteration=5, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 117 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 1288 NumberOfCodeBlocks, 1288 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 990 ConstructedInterpolants, 0 QuantifiedInterpolants, 4607 SizeOfPredicates, 5 NumberOfNonLiveVariables, 705 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 5077/5320 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-18 21:14:35,610 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-18 21:14:35,759 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 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-13.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 062a802759b4aa2a0cbcb5cdde30f3437c09c950e76bee485cf882952e2d339f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 21:14:37,414 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 21:14:37,478 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-18 21:14:37,483 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 21:14:37,484 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 21:14:37,504 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 21:14:37,507 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 21:14:37,507 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 21:14:37,508 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 21:14:37,508 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 21:14:37,508 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 21:14:37,509 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 21:14:37,509 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 21:14:37,510 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 21:14:37,510 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 21:14:37,511 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 21:14:37,511 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 21:14:37,511 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 21:14:37,512 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 21:14:37,512 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 21:14:37,512 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 21:14:37,513 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 21:14:37,514 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 21:14:37,514 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-18 21:14:37,514 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-18 21:14:37,514 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 21:14:37,514 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-18 21:14:37,514 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 21:14:37,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 21:14:37,515 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 21:14:37,515 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 21:14:37,515 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 21:14:37,515 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 21:14:37,515 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 21:14:37,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 21:14:37,516 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 21:14:37,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 21:14:37,516 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 21:14:37,516 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-18 21:14:37,516 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-18 21:14:37,516 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 21:14:37,517 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 21:14:37,517 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 21:14:37,517 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 21:14:37,517 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 062a802759b4aa2a0cbcb5cdde30f3437c09c950e76bee485cf882952e2d339f [2024-11-18 21:14:37,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 21:14:37,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 21:14:37,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 21:14:37,802 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 21:14:37,802 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 21:14:37,803 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-13.i [2024-11-18 21:14:39,130 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 21:14:39,310 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 21:14:39,310 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-13.i [2024-11-18 21:14:39,318 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dcf18e2b/ebe44927a8624aa7a8d53c5ab4e340ff/FLAGdf0724d4a [2024-11-18 21:14:39,328 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dcf18e2b/ebe44927a8624aa7a8d53c5ab4e340ff [2024-11-18 21:14:39,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 21:14:39,331 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 21:14:39,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 21:14:39,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 21:14:39,336 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 21:14:39,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:14:39" (1/1) ... [2024-11-18 21:14:39,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21a8c899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:39, skipping insertion in model container [2024-11-18 21:14:39,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:14:39" (1/1) ... [2024-11-18 21:14:39,360 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 21:14:39,515 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-ps-ci_file-13.i[919,932] [2024-11-18 21:14:39,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 21:14:39,604 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 21:14:39,616 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-ps-ci_file-13.i[919,932] [2024-11-18 21:14:39,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 21:14:39,677 INFO L204 MainTranslator]: Completed translation [2024-11-18 21:14:39,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:39 WrapperNode [2024-11-18 21:14:39,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 21:14:39,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 21:14:39,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 21:14:39,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 21:14:39,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:39" (1/1) ... [2024-11-18 21:14:39,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:39" (1/1) ... [2024-11-18 21:14:39,732 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 166 [2024-11-18 21:14:39,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 21:14:39,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 21:14:39,733 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 21:14:39,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 21:14:39,741 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:39" (1/1) ... [2024-11-18 21:14:39,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:39" (1/1) ... [2024-11-18 21:14:39,745 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:39" (1/1) ... [2024-11-18 21:14:39,756 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-18 21:14:39,756 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:39" (1/1) ... [2024-11-18 21:14:39,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:39" (1/1) ... [2024-11-18 21:14:39,763 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:39" (1/1) ... [2024-11-18 21:14:39,767 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:39" (1/1) ... [2024-11-18 21:14:39,773 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:39" (1/1) ... [2024-11-18 21:14:39,774 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:39" (1/1) ... [2024-11-18 21:14:39,781 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 21:14:39,782 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 21:14:39,782 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 21:14:39,782 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 21:14:39,782 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:39" (1/1) ... [2024-11-18 21:14:39,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 21:14:39,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 21:14:39,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 21:14:39,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 21:14:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 21:14:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-18 21:14:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 21:14:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 21:14:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 21:14:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 21:14:39,949 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 21:14:39,950 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 21:14:44,121 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-18 21:14:44,121 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 21:14:44,131 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 21:14:44,132 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 21:14:44,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:14:44 BoogieIcfgContainer [2024-11-18 21:14:44,133 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 21:14:44,134 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 21:14:44,134 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 21:14:44,138 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 21:14:44,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:14:39" (1/3) ... [2024-11-18 21:14:44,139 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f24fccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:14:44, skipping insertion in model container [2024-11-18 21:14:44,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:14:39" (2/3) ... [2024-11-18 21:14:44,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f24fccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:14:44, skipping insertion in model container [2024-11-18 21:14:44,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:14:44" (3/3) ... [2024-11-18 21:14:44,141 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-13.i [2024-11-18 21:14:44,153 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 21:14:44,153 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 21:14:44,209 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 21:14:44,214 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;@1f55f3ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 21:14:44,215 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 21:14:44,218 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-18 21:14:44,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-18 21:14:44,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:14:44,232 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:14:44,232 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:14:44,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:14:44,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1117788754, now seen corresponding path program 1 times [2024-11-18 21:14:44,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 21:14:44,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [880952115] [2024-11-18 21:14:44,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:14:44,251 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 21:14:44,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 21:14:44,254 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-18 21:14:44,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-18 21:14:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:14:44,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 21:14:44,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 21:14:44,635 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-18 21:14:44,636 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 21:14:44,636 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 21:14:44,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [880952115] [2024-11-18 21:14:44,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [880952115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 21:14:44,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 21:14:44,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 21:14:44,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89216559] [2024-11-18 21:14:44,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 21:14:44,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 21:14:44,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 21:14:44,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 21:14:44,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 21:14:44,666 INFO L87 Difference]: Start difference. First operand has 75 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) 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, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 21:14:44,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 21:14:44,692 INFO L93 Difference]: Finished difference Result 143 states and 248 transitions. [2024-11-18 21:14:44,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 21:14:44,694 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, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 137 [2024-11-18 21:14:44,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 21:14:44,702 INFO L225 Difference]: With dead ends: 143 [2024-11-18 21:14:44,702 INFO L226 Difference]: Without dead ends: 71 [2024-11-18 21:14:44,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 21:14:44,709 INFO L432 NwaCegarLoop]: 107 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, 107 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 21:14:44,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 21:14:44,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-18 21:14:44,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-11-18 21:14:44,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 49 states have (on average 1.3673469387755102) internal successors, (67), 49 states have internal predecessors, (67), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-18 21:14:44,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 107 transitions. [2024-11-18 21:14:44,751 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 107 transitions. Word has length 137 [2024-11-18 21:14:44,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 21:14:44,751 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 107 transitions. [2024-11-18 21:14:44,751 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, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 21:14:44,751 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 107 transitions. [2024-11-18 21:14:44,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-18 21:14:44,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:14:44,755 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:14:44,767 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 [2024-11-18 21:14:44,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 21:14:44,956 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:14:44,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:14:44,957 INFO L85 PathProgramCache]: Analyzing trace with hash 620006600, now seen corresponding path program 1 times [2024-11-18 21:14:44,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 21:14:44,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [584065327] [2024-11-18 21:14:44,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:14:44,958 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 21:14:44,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 21:14:44,961 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-18 21:14:44,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-18 21:14:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:14:45,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-18 21:14:45,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 21:14:46,462 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 19 proven. 57 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-18 21:14:46,463 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 21:14:47,259 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-18 21:14:47,260 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 21:14:47,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [584065327] [2024-11-18 21:14:47,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [584065327] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-18 21:14:47,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 21:14:47,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-18 21:14:47,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717151882] [2024-11-18 21:14:47,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 21:14:47,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 21:14:47,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 21:14:47,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 21:14:47,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-18 21:14:47,263 INFO L87 Difference]: Start difference. First operand 71 states and 107 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 21:14:48,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 21:14:50,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 21:14:52,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 21:14:53,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 21:14:53,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 21:14:53,885 INFO L93 Difference]: Finished difference Result 229 states and 346 transitions. [2024-11-18 21:14:53,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 21:14:53,886 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 138 [2024-11-18 21:14:53,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 21:14:53,889 INFO L225 Difference]: With dead ends: 229 [2024-11-18 21:14:53,889 INFO L226 Difference]: Without dead ends: 161 [2024-11-18 21:14:53,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-18 21:14:53,891 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 129 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-11-18 21:14:53,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 293 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2024-11-18 21:14:53,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-18 21:14:53,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 143. [2024-11-18 21:14:53,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 100 states have (on average 1.39) internal successors, (139), 100 states have internal predecessors, (139), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-18 21:14:53,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 219 transitions. [2024-11-18 21:14:53,920 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 219 transitions. Word has length 138 [2024-11-18 21:14:53,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 21:14:53,921 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 219 transitions. [2024-11-18 21:14:53,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-18 21:14:53,921 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 219 transitions. [2024-11-18 21:14:53,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-18 21:14:53,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:14:53,923 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:14:53,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-18 21:14:54,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 21:14:54,124 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:14:54,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:14:54,124 INFO L85 PathProgramCache]: Analyzing trace with hash 796501716, now seen corresponding path program 1 times [2024-11-18 21:14:54,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 21:14:54,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1528150331] [2024-11-18 21:14:54,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:14:54,125 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 21:14:54,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 21:14:54,128 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-18 21:14:54,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-18 21:14:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:14:54,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-18 21:14:54,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 21:14:55,305 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-18 21:14:55,305 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 21:14:55,305 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 21:14:55,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1528150331] [2024-11-18 21:14:55,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1528150331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 21:14:55,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 21:14:55,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 21:14:55,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702745337] [2024-11-18 21:14:55,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 21:14:55,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 21:14:55,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 21:14:55,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 21:14:55,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 21:14:55,307 INFO L87 Difference]: Start difference. First operand 143 states and 219 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-18 21:14:57,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 21:14:58,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 21:14:58,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 21:14:58,684 INFO L93 Difference]: Finished difference Result 359 states and 548 transitions. [2024-11-18 21:14:58,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 21:14:58,685 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 139 [2024-11-18 21:14:58,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 21:14:58,689 INFO L225 Difference]: With dead ends: 359 [2024-11-18 21:14:58,689 INFO L226 Difference]: Without dead ends: 219 [2024-11-18 21:14:58,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-18 21:14:58,692 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 83 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-18 21:14:58,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 346 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-18 21:14:58,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-18 21:14:58,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 193. [2024-11-18 21:14:58,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 129 states have (on average 1.3565891472868217) internal successors, (175), 129 states have internal predecessors, (175), 60 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-18 21:14:58,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 295 transitions. [2024-11-18 21:14:58,725 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 295 transitions. Word has length 139 [2024-11-18 21:14:58,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 21:14:58,726 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 295 transitions. [2024-11-18 21:14:58,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-18 21:14:58,726 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 295 transitions. [2024-11-18 21:14:58,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-18 21:14:58,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:14:58,728 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:14:58,744 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-18 21:14:58,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 21:14:58,929 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:14:58,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:14:58,929 INFO L85 PathProgramCache]: Analyzing trace with hash -20391830, now seen corresponding path program 1 times [2024-11-18 21:14:58,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 21:14:58,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2106608854] [2024-11-18 21:14:58,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:14:58,930 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 21:14:58,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 21:14:58,933 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-18 21:14:58,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-18 21:14:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:14:59,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-18 21:14:59,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 21:15:00,181 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 410 proven. 48 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2024-11-18 21:15:00,181 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 21:15:00,628 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 21:15:00,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2106608854] [2024-11-18 21:15:00,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2106608854] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 21:15:00,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [314803556] [2024-11-18 21:15:00,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:15:00,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-18 21:15:00,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-18 21:15:00,632 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-18 21:15:00,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-18 21:15:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:15:00,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-18 21:15:00,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 21:15:01,051 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-18 21:15:01,052 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 21:15:01,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [314803556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 21:15:01,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 21:15:01,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 11 [2024-11-18 21:15:01,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113196037] [2024-11-18 21:15:01,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 21:15:01,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 21:15:01,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 21:15:01,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 21:15:01,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-18 21:15:01,053 INFO L87 Difference]: Start difference. First operand 193 states and 295 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-18 21:15:03,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 21:15:03,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 21:15:03,755 INFO L93 Difference]: Finished difference Result 433 states and 660 transitions. [2024-11-18 21:15:03,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 21:15:03,756 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 140 [2024-11-18 21:15:03,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 21:15:03,758 INFO L225 Difference]: With dead ends: 433 [2024-11-18 21:15:03,758 INFO L226 Difference]: Without dead ends: 293 [2024-11-18 21:15:03,759 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 339 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-18 21:15:03,759 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 53 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-18 21:15:03,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 243 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-18 21:15:03,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-18 21:15:03,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 289. [2024-11-18 21:15:03,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 211 states have (on average 1.3838862559241707) internal successors, (292), 213 states have internal predecessors, (292), 72 states have call successors, (72), 5 states have call predecessors, (72), 5 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-18 21:15:03,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 436 transitions. [2024-11-18 21:15:03,791 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 436 transitions. Word has length 140 [2024-11-18 21:15:03,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 21:15:03,792 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 436 transitions. [2024-11-18 21:15:03,792 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-18 21:15:03,792 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 436 transitions. [2024-11-18 21:15:03,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-18 21:15:03,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:15:03,793 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:15:03,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-18 21:15:03,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-18 21:15:04,194 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=3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-18 21:15:04,194 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:15:04,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:15:04,195 INFO L85 PathProgramCache]: Analyzing trace with hash -607197844, now seen corresponding path program 1 times [2024-11-18 21:15:04,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 21:15:04,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1336115568] [2024-11-18 21:15:04,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:15:04,195 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 21:15:04,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 21:15:04,197 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) [2024-11-18 21:15:04,197 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 [2024-11-18 21:15:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:15:04,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-18 21:15:04,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 21:15:05,403 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 410 proven. 48 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2024-11-18 21:15:05,404 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 21:15:05,900 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 21:15:05,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1336115568] [2024-11-18 21:15:05,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1336115568] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 21:15:05,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1851380077] [2024-11-18 21:15:05,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:15:05,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-18 21:15:05,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-18 21:15:05,903 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) [2024-11-18 21:15:05,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-18 21:15:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:15:06,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-18 21:15:06,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 21:15:07,317 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2024-11-18 21:15:07,317 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 21:15:07,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1851380077] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 21:15:07,605 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-18 21:15:07,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 9 [2024-11-18 21:15:07,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490489178] [2024-11-18 21:15:07,606 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-18 21:15:07,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-18 21:15:07,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 21:15:07,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-18 21:15:07,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2024-11-18 21:15:07,607 INFO L87 Difference]: Start difference. First operand 289 states and 436 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-18 21:15:10,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 21:15:14,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 21:15:16,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 21:15:16,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 21:15:16,614 INFO L93 Difference]: Finished difference Result 707 states and 1047 transitions. [2024-11-18 21:15:16,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-18 21:15:16,616 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 140 [2024-11-18 21:15:16,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 21:15:16,620 INFO L225 Difference]: With dead ends: 707 [2024-11-18 21:15:16,620 INFO L226 Difference]: Without dead ends: 467 [2024-11-18 21:15:16,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 414 SyntacticMatches, 3 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=240, Invalid=462, Unknown=0, NotChecked=0, Total=702 [2024-11-18 21:15:16,622 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 144 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2024-11-18 21:15:16,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 717 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2024-11-18 21:15:16,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-11-18 21:15:16,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 451. [2024-11-18 21:15:16,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 320 states have (on average 1.33125) internal successors, (426), 326 states have internal predecessors, (426), 118 states have call successors, (118), 12 states have call predecessors, (118), 12 states have return successors, (118), 112 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-18 21:15:16,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 662 transitions. [2024-11-18 21:15:16,662 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 662 transitions. Word has length 140 [2024-11-18 21:15:16,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 21:15:16,663 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 662 transitions. [2024-11-18 21:15:16,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-18 21:15:16,663 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 662 transitions. [2024-11-18 21:15:16,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-18 21:15:16,665 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:15:16,665 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:15:16,690 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 (7)] Ended with exit code 0 [2024-11-18 21:15:16,878 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-18 21:15:17,066 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 [2024-11-18 21:15:17,067 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:15:17,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:15:17,067 INFO L85 PathProgramCache]: Analyzing trace with hash -499224978, now seen corresponding path program 1 times [2024-11-18 21:15:17,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 21:15:17,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1981888026] [2024-11-18 21:15:17,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:15:17,068 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 21:15:17,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 21:15:17,069 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) [2024-11-18 21:15:17,070 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 [2024-11-18 21:15:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:15:17,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-18 21:15:17,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 21:15:18,302 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 40 proven. 108 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-18 21:15:18,302 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 21:15:18,440 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-18 21:15:18,440 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 21:15:18,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1981888026] [2024-11-18 21:15:18,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1981888026] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-18 21:15:18,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 21:15:18,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11] total 14 [2024-11-18 21:15:18,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728216480] [2024-11-18 21:15:18,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 21:15:18,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 21:15:18,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 21:15:18,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 21:15:18,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-18 21:15:18,442 INFO L87 Difference]: Start difference. First operand 451 states and 662 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-18 21:15:20,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 21:15:23,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 21:15:23,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 21:15:23,517 INFO L93 Difference]: Finished difference Result 977 states and 1431 transitions. [2024-11-18 21:15:23,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 21:15:23,518 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 141 [2024-11-18 21:15:23,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 21:15:23,521 INFO L225 Difference]: With dead ends: 977 [2024-11-18 21:15:23,521 INFO L226 Difference]: Without dead ends: 623 [2024-11-18 21:15:23,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-18 21:15:23,524 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 31 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-18 21:15:23,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 246 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-11-18 21:15:23,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2024-11-18 21:15:23,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 469. [2024-11-18 21:15:23,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 338 states have (on average 1.3224852071005917) internal successors, (447), 344 states have internal predecessors, (447), 118 states have call successors, (118), 12 states have call predecessors, (118), 12 states have return successors, (118), 112 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-18 21:15:23,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 683 transitions. [2024-11-18 21:15:23,554 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 683 transitions. Word has length 141 [2024-11-18 21:15:23,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 21:15:23,558 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 683 transitions. [2024-11-18 21:15:23,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-18 21:15:23,558 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 683 transitions. [2024-11-18 21:15:23,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-18 21:15:23,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:15:23,559 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:15:23,574 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 [2024-11-18 21:15:23,760 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 [2024-11-18 21:15:23,760 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:15:23,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:15:23,761 INFO L85 PathProgramCache]: Analyzing trace with hash 201839600, now seen corresponding path program 1 times [2024-11-18 21:15:23,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 21:15:23,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [17085508] [2024-11-18 21:15:23,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:15:23,761 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 21:15:23,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 21:15:23,762 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-18 21:15:23,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-18 21:15:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:15:24,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-18 21:15:24,050 INFO L278 TraceCheckSpWp]: Computing forward predicates...