./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 2ca49ab820ec7b63f08a2ce22e67a701d1d86b8ff13cf45853d7baabaed2f9ad --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 08:05:11,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 08:05:11,814 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 08:05:11,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 08:05:11,821 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 08:05:11,852 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 08:05:11,853 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 08:05:11,853 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 08:05:11,854 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 08:05:11,855 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 08:05:11,855 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 08:05:11,856 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 08:05:11,856 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 08:05:11,858 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 08:05:11,858 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 08:05:11,858 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 08:05:11,859 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 08:05:11,859 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 08:05:11,859 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 08:05:11,859 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 08:05:11,860 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 08:05:11,862 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 08:05:11,863 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 08:05:11,864 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 08:05:11,864 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 08:05:11,864 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 08:05:11,867 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 08:05:11,867 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 08:05:11,867 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 08:05:11,868 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 08:05:11,868 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 08:05:11,868 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 08:05:11,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 08:05:11,868 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 08:05:11,869 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 08:05:11,869 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 08:05:11,870 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 08:05:11,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 08:05:11,871 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 08:05:11,871 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 08:05:11,871 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 08:05:11,872 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 08:05:11,872 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ca49ab820ec7b63f08a2ce22e67a701d1d86b8ff13cf45853d7baabaed2f9ad [2024-10-11 08:05:12,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 08:05:12,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 08:05:12,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 08:05:12,189 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 08:05:12,190 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 08:05:12,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i [2024-10-11 08:05:13,731 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 08:05:13,916 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 08:05:13,917 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i [2024-10-11 08:05:13,924 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/9783568b5/ab99f934845f4899b45c23f50a9787f4/FLAG863c0f338 [2024-10-11 08:05:13,938 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/9783568b5/ab99f934845f4899b45c23f50a9787f4 [2024-10-11 08:05:13,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 08:05:13,945 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 08:05:13,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 08:05:13,946 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 08:05:13,954 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 08:05:13,955 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:05:13" (1/1) ... [2024-10-11 08:05:13,956 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a0fbedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:13, skipping insertion in model container [2024-10-11 08:05:13,956 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:05:13" (1/1) ... [2024-10-11 08:05:13,987 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 08:05:14,174 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i[915,928] [2024-10-11 08:05:14,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 08:05:14,288 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 08:05:14,306 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i[915,928] [2024-10-11 08:05:14,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 08:05:14,388 INFO L204 MainTranslator]: Completed translation [2024-10-11 08:05:14,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:14 WrapperNode [2024-10-11 08:05:14,389 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 08:05:14,390 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 08:05:14,391 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 08:05:14,391 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 08:05:14,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:14" (1/1) ... [2024-10-11 08:05:14,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:14" (1/1) ... [2024-10-11 08:05:14,473 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2024-10-11 08:05:14,474 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 08:05:14,475 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 08:05:14,475 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 08:05:14,475 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 08:05:14,486 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:14" (1/1) ... [2024-10-11 08:05:14,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:14" (1/1) ... [2024-10-11 08:05:14,490 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:14" (1/1) ... [2024-10-11 08:05:14,506 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 08:05:14,507 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:14" (1/1) ... [2024-10-11 08:05:14,507 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:14" (1/1) ... [2024-10-11 08:05:14,519 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:14" (1/1) ... [2024-10-11 08:05:14,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:14" (1/1) ... [2024-10-11 08:05:14,524 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:14" (1/1) ... [2024-10-11 08:05:14,526 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:14" (1/1) ... [2024-10-11 08:05:14,534 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 08:05:14,535 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 08:05:14,535 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 08:05:14,535 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 08:05:14,536 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:14" (1/1) ... [2024-10-11 08:05:14,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 08:05:14,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 08:05:14,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 08:05:14,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 08:05:14,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 08:05:14,643 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 08:05:14,643 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 08:05:14,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 08:05:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 08:05:14,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 08:05:14,734 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 08:05:14,739 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 08:05:15,073 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-11 08:05:15,074 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 08:05:15,160 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 08:05:15,160 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 08:05:15,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:05:15 BoogieIcfgContainer [2024-10-11 08:05:15,161 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 08:05:15,166 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 08:05:15,167 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 08:05:15,175 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 08:05:15,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:05:13" (1/3) ... [2024-10-11 08:05:15,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b2b0498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:05:15, skipping insertion in model container [2024-10-11 08:05:15,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:14" (2/3) ... [2024-10-11 08:05:15,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b2b0498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:05:15, skipping insertion in model container [2024-10-11 08:05:15,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:05:15" (3/3) ... [2024-10-11 08:05:15,182 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-41.i [2024-10-11 08:05:15,202 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 08:05:15,203 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 08:05:15,268 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 08:05:15,275 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;@3aa960d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 08:05:15,275 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 08:05:15,279 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 37 states have internal predecessors, (52), 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) [2024-10-11 08:05:15,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-11 08:05:15,290 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:05:15,291 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] [2024-10-11 08:05:15,292 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:05:15,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:05:15,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1951117343, now seen corresponding path program 1 times [2024-10-11 08:05:15,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:05:15,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237162951] [2024-10-11 08:05:15,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:05:15,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:05:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:05:15,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:05:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:05:15,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:05:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:05:15,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:05:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:05:15,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:05:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:05:15,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:05:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:05:15,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:05:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:05:15,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:05:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:05:15,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:05:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:05:15,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:05:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:05:15,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 08:05:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:05:15,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:05:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:05:15,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 08:05:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:05:15,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:05:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:05:15,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 08:05:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:05:15,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 08:05:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:05:15,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 08:05:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:05:15,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 08:05:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:05:15,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 08:05:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:05:15,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 08:05:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:05:15,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 08:05:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:05:15,709 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-10-11 08:05:15,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:05:15,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237162951] [2024-10-11 08:05:15,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237162951] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:05:15,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:05:15,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 08:05:15,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584924417] [2024-10-11 08:05:15,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:05:15,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 08:05:15,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:05:15,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 08:05:15,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 08:05:15,742 INFO L87 Difference]: Start difference. First operand has 59 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 37 states have internal predecessors, (52), 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 15.5) internal successors, (31), 2 states have internal predecessors, (31), 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) [2024-10-11 08:05:15,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:05:15,790 INFO L93 Difference]: Finished difference Result 115 states and 202 transitions. [2024-10-11 08:05:15,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 08:05:15,792 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 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 128 [2024-10-11 08:05:15,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:05:15,798 INFO L225 Difference]: With dead ends: 115 [2024-10-11 08:05:15,798 INFO L226 Difference]: Without dead ends: 57 [2024-10-11 08:05:15,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 08:05:15,808 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 08:05:15,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 08:05:15,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-10-11 08:05:15,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-10-11 08:05:15,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 35 states have internal predecessors, (46), 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) [2024-10-11 08:05:15,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 86 transitions. [2024-10-11 08:05:15,868 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 86 transitions. Word has length 128 [2024-10-11 08:05:15,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:05:15,868 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 86 transitions. [2024-10-11 08:05:15,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 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) [2024-10-11 08:05:15,870 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 86 transitions. [2024-10-11 08:05:15,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-11 08:05:15,874 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:05:15,875 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] [2024-10-11 08:05:15,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 08:05:15,876 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:05:15,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:05:15,877 INFO L85 PathProgramCache]: Analyzing trace with hash 2014491099, now seen corresponding path program 1 times [2024-10-11 08:05:15,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:05:15,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740798569] [2024-10-11 08:05:15,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:05:15,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:05:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 08:05:16,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [153879070] [2024-10-11 08:05:16,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:05:16,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 08:05:16,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 08:05:16,224 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 08:05:16,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 08:05:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:05:16,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-11 08:05:16,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 08:05:16,832 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 393 proven. 24 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2024-10-11 08:05:16,832 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 08:05:31,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:05:31,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740798569] [2024-10-11 08:05:31,427 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 08:05:31,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153879070] [2024-10-11 08:05:31,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153879070] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 08:05:31,428 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 08:05:31,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 08:05:31,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401996482] [2024-10-11 08:05:31,430 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 08:05:31,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 08:05:31,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:05:31,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 08:05:31,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=91, Unknown=3, NotChecked=0, Total=132 [2024-10-11 08:05:31,432 INFO L87 Difference]: Start difference. First operand 57 states and 86 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 08:05:33,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:05:33,744 INFO L93 Difference]: Finished difference Result 153 states and 222 transitions. [2024-10-11 08:05:33,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 08:05:33,745 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 128 [2024-10-11 08:05:33,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:05:33,747 INFO L225 Difference]: With dead ends: 153 [2024-10-11 08:05:33,747 INFO L226 Difference]: Without dead ends: 97 [2024-10-11 08:05:33,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=94, Invalid=209, Unknown=3, NotChecked=0, Total=306 [2024-10-11 08:05:33,749 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 68 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-11 08:05:33,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 256 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-11 08:05:33,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-10-11 08:05:33,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 90. [2024-10-11 08:05:33,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 55 states have (on average 1.2363636363636363) internal successors, (68), 56 states have internal predecessors, (68), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-11 08:05:33,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 130 transitions. [2024-10-11 08:05:33,769 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 130 transitions. Word has length 128 [2024-10-11 08:05:33,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:05:33,770 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 130 transitions. [2024-10-11 08:05:33,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 08:05:33,771 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 130 transitions. [2024-10-11 08:05:33,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-11 08:05:33,773 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:05:33,773 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] [2024-10-11 08:05:33,793 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 08:05:33,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 08:05:33,978 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:05:33,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:05:33,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1471129571, now seen corresponding path program 1 times [2024-10-11 08:05:33,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:05:33,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131821576] [2024-10-11 08:05:33,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:05:33,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:05:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 08:05:34,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1659424998] [2024-10-11 08:05:34,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:05:34,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 08:05:34,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 08:05:34,207 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 08:05:34,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 08:05:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:05:34,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 08:05:34,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 08:05:36,177 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 393 proven. 24 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2024-10-11 08:05:36,178 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 08:05:37,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:05:37,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131821576] [2024-10-11 08:05:37,329 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 08:05:37,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659424998] [2024-10-11 08:05:37,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659424998] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 08:05:37,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 08:05:37,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-11 08:05:37,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505929148] [2024-10-11 08:05:37,330 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 08:05:37,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 08:05:37,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:05:37,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 08:05:37,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 08:05:37,336 INFO L87 Difference]: Start difference. First operand 90 states and 130 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 08:05:38,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:05:38,624 INFO L93 Difference]: Finished difference Result 183 states and 263 transitions. [2024-10-11 08:05:38,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 08:05:38,625 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 128 [2024-10-11 08:05:38,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:05:38,629 INFO L225 Difference]: With dead ends: 183 [2024-10-11 08:05:38,629 INFO L226 Difference]: Without dead ends: 94 [2024-10-11 08:05:38,630 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-11 08:05:38,631 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 36 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 08:05:38,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 168 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 08:05:38,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-10-11 08:05:38,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 90. [2024-10-11 08:05:38,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 56 states have internal predecessors, (67), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-11 08:05:38,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 129 transitions. [2024-10-11 08:05:38,643 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 129 transitions. Word has length 128 [2024-10-11 08:05:38,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:05:38,644 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 129 transitions. [2024-10-11 08:05:38,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 08:05:38,645 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 129 transitions. [2024-10-11 08:05:38,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-11 08:05:38,646 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:05:38,647 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] [2024-10-11 08:05:38,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 08:05:38,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 08:05:38,848 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:05:38,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:05:38,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1975636074, now seen corresponding path program 1 times [2024-10-11 08:05:38,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:05:38,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654728810] [2024-10-11 08:05:38,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:05:38,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:05:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 08:05:38,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [837019308] [2024-10-11 08:05:38,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:05:38,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 08:05:38,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 08:05:38,980 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 08:05:38,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 08:05:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 08:05:39,531 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 08:05:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 08:05:39,658 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 08:05:39,658 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 08:05:39,659 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 08:05:39,676 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 08:05:39,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 08:05:39,865 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-11 08:05:40,018 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 08:05:40,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 08:05:40 BoogieIcfgContainer [2024-10-11 08:05:40,025 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 08:05:40,026 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 08:05:40,026 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 08:05:40,026 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 08:05:40,026 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:05:15" (3/4) ... [2024-10-11 08:05:40,031 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 08:05:40,032 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 08:05:40,032 INFO L158 Benchmark]: Toolchain (without parser) took 26087.85ms. Allocated memory was 172.0MB in the beginning and 230.7MB in the end (delta: 58.7MB). Free memory was 101.9MB in the beginning and 192.1MB in the end (delta: -90.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 08:05:40,033 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 119.5MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 08:05:40,033 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.70ms. Allocated memory is still 172.0MB. Free memory was 101.7MB in the beginning and 137.6MB in the end (delta: -35.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-11 08:05:40,033 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.07ms. Allocated memory is still 172.0MB. Free memory was 137.6MB in the beginning and 134.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 08:05:40,033 INFO L158 Benchmark]: Boogie Preprocessor took 59.58ms. Allocated memory is still 172.0MB. Free memory was 134.0MB in the beginning and 127.9MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 08:05:40,034 INFO L158 Benchmark]: RCFGBuilder took 625.47ms. Allocated memory is still 172.0MB. Free memory was 127.9MB in the beginning and 102.9MB in the end (delta: 25.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-11 08:05:40,034 INFO L158 Benchmark]: TraceAbstraction took 24858.69ms. Allocated memory was 172.0MB in the beginning and 230.7MB in the end (delta: 58.7MB). Free memory was 101.9MB in the beginning and 192.1MB in the end (delta: -90.2MB). Peak memory consumption was 99.2MB. Max. memory is 16.1GB. [2024-10-11 08:05:40,034 INFO L158 Benchmark]: Witness Printer took 6.35ms. Allocated memory is still 230.7MB. Free memory is still 192.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 08:05:40,038 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 119.5MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.70ms. Allocated memory is still 172.0MB. Free memory was 101.7MB in the beginning and 137.6MB in the end (delta: -35.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.07ms. Allocated memory is still 172.0MB. Free memory was 137.6MB in the beginning and 134.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.58ms. Allocated memory is still 172.0MB. Free memory was 134.0MB in the beginning and 127.9MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 625.47ms. Allocated memory is still 172.0MB. Free memory was 127.9MB in the beginning and 102.9MB in the end (delta: 25.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 24858.69ms. Allocated memory was 172.0MB in the beginning and 230.7MB in the end (delta: 58.7MB). Free memory was 101.9MB in the beginning and 192.1MB in the end (delta: -90.2MB). Peak memory consumption was 99.2MB. Max. memory is 16.1GB. * Witness Printer took 6.35ms. Allocated memory is still 230.7MB. Free memory is still 192.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 139, overapproximation of someBinaryDOUBLEComparisonOperation at line 139. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_4 = 1; [L24] unsigned char var_1_5 = 1; [L25] unsigned char var_1_6 = 0; [L26] signed char var_1_8 = 64; [L27] signed char var_1_11 = -10; [L28] signed char var_1_12 = 64; [L29] float var_1_13 = 1.6; [L30] float var_1_14 = 3.5; [L31] unsigned char var_1_15 = 8; [L32] unsigned char var_1_16 = 4; [L33] unsigned short int var_1_17 = 2; [L34] unsigned short int var_1_18 = 10000; [L35] signed short int var_1_20 = 4; [L36] signed char var_1_22 = -32; [L37] unsigned long int var_1_23 = 0; [L38] signed short int var_1_24 = 25; [L39] float var_1_25 = 32.6; [L40] signed short int var_1_26 = 8; [L41] unsigned char var_1_27 = 50; [L42] unsigned char var_1_28 = 8; [L43] signed short int var_1_29 = 10; [L44] signed long int var_1_30 = -4; [L45] signed char var_1_31 = -50; [L46] signed char var_1_32 = -32; [L47] unsigned char last_1_var_1_15 = 8; [L143] isInitial = 1 [L144] FCALL initially() [L145] COND TRUE 1 [L146] CALL updateLastVariables() [L136] last_1_var_1_15 = var_1_15 [L146] RET updateLastVariables() [L147] CALL updateVariables() [L103] var_1_4 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L104] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L105] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L105] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L106] var_1_5 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L107] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L108] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L108] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L109] var_1_11 = __VERIFIER_nondet_char() [L110] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L110] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L111] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L111] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L112] var_1_12 = __VERIFIER_nondet_char() [L113] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L113] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L114] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L114] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L115] var_1_14 = __VERIFIER_nondet_float() [L116] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L116] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L117] var_1_16 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L118] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L119] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L119] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L120] var_1_18 = __VERIFIER_nondet_ushort() [L121] CALL assume_abort_if_not(var_1_18 >= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L121] RET assume_abort_if_not(var_1_18 >= 8192) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L122] CALL assume_abort_if_not(var_1_18 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L122] RET assume_abort_if_not(var_1_18 <= 16384) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L123] var_1_25 = __VERIFIER_nondet_float() [L124] CALL assume_abort_if_not((var_1_25 >= -922337.2036854776000e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854776000e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L124] RET assume_abort_if_not((var_1_25 >= -922337.2036854776000e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854776000e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L125] var_1_26 = __VERIFIER_nondet_short() [L126] CALL assume_abort_if_not(var_1_26 >= -32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L126] RET assume_abort_if_not(var_1_26 >= -32766) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L127] CALL assume_abort_if_not(var_1_26 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L127] RET assume_abort_if_not(var_1_26 <= 32766) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L128] var_1_28 = __VERIFIER_nondet_uchar() [L129] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L129] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L130] CALL assume_abort_if_not(var_1_28 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=0, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=0, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L130] RET assume_abort_if_not(var_1_28 <= 254) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=0, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L131] var_1_32 = __VERIFIER_nondet_char() [L132] CALL assume_abort_if_not(var_1_32 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=0, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=0, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L132] RET assume_abort_if_not(var_1_32 >= -127) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=0, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L133] CALL assume_abort_if_not(var_1_32 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=0, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=0, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L133] RET assume_abort_if_not(var_1_32 <= 126) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=0, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L147] RET updateVariables() [L148] CALL step() [L51] COND TRUE 32.2f > (25.5f - ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25)))) [L52] var_1_24 = ((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=0, var_1_26=0, var_1_27=50, var_1_28=0, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L54] var_1_27 = var_1_28 [L55] var_1_29 = var_1_26 [L56] var_1_30 = var_1_29 [L57] var_1_31 = var_1_32 [L58] unsigned char stepLocal_1 = ! var_1_5; VAL [isInitial=1, last_1_var_1_15=8, stepLocal_1=0, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L59] COND FALSE !(stepLocal_1 || (var_1_12 < last_1_var_1_15)) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L66] COND FALSE !((127.35 + var_1_13) <= var_1_13) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L71] COND TRUE (- var_1_13) > 31.9f [L72] var_1_1 = ((var_1_6 || var_1_4) && var_1_5) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L76] COND TRUE \read(var_1_1) [L77] var_1_15 = var_1_16 VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=-255, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L79] var_1_22 = 1 [L80] var_1_23 = var_1_22 [L81] unsigned long int stepLocal_0 = var_1_23; VAL [isInitial=1, last_1_var_1_15=8, stepLocal_0=1, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=-255, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L82] COND FALSE !(var_1_15 > stepLocal_0) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=-255, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L85] unsigned char stepLocal_2 = var_1_23 < var_1_15; VAL [isInitial=1, last_1_var_1_15=8, stepLocal_2=0, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=-255, var_1_16=-255, var_1_17=2, var_1_18=-57344, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L86] COND TRUE var_1_1 || stepLocal_2 [L87] var_1_17 = (var_1_15 + ((var_1_18 - var_1_16) + var_1_15)) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=-255, var_1_16=-255, var_1_17=8193, var_1_18=-57344, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L91] signed long int stepLocal_3 = -10; VAL [isInitial=1, last_1_var_1_15=8, stepLocal_3=-10, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=-255, var_1_16=-255, var_1_17=8193, var_1_18=-57344, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L92] COND FALSE !(((var_1_15 / var_1_18) * var_1_15) < stepLocal_3) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=-255, var_1_16=-255, var_1_17=8193, var_1_18=-57344, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L95] COND FALSE !(! (var_1_17 <= var_1_17)) [L98] var_1_20 = var_1_12 VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=-255, var_1_16=-255, var_1_17=8193, var_1_18=-57344, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L148] RET step() [L149] CALL, EXPR property() [L139-L140] return ((((((((((- var_1_13) > 31.9f) ? (var_1_1 == ((unsigned char) ((var_1_6 || var_1_4) && var_1_5))) : (var_1_1 == ((unsigned char) var_1_5))) && (((127.35 + var_1_13) <= var_1_13) ? ((4.5 <= (var_1_13 * var_1_13)) ? (var_1_6 == ((unsigned char) var_1_5)) : 1) : 1)) && ((var_1_15 > var_1_23) ? (var_1_8 == ((signed char) ((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))))) : 1)) && (((! var_1_5) || (var_1_12 < last_1_var_1_15)) ? ((! var_1_5) ? (var_1_13 == ((float) var_1_14)) : (var_1_13 == ((float) var_1_14))) : 1)) && (var_1_1 ? (var_1_15 == ((unsigned char) var_1_16)) : 1)) && ((var_1_1 || (var_1_23 < var_1_15)) ? (var_1_17 == ((unsigned short int) (var_1_15 + ((var_1_18 - var_1_16) + var_1_15)))) : (var_1_17 == ((unsigned short int) (var_1_16 + var_1_18))))) && ((((var_1_15 / var_1_18) * var_1_15) < -10) ? (var_1_20 == ((signed short int) ((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))))) : ((! (var_1_17 <= var_1_17)) ? (var_1_20 == ((signed short int) var_1_11)) : (var_1_20 == ((signed short int) var_1_12))))) && (var_1_22 == ((signed char) 1))) && (var_1_23 == ((unsigned long int) var_1_22)) ; [L149] RET, EXPR property() [L149] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=-255, var_1_16=-255, var_1_17=8193, var_1_18=-57344, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-127, var_1_12=8, var_1_13=8/5, var_1_15=-255, var_1_16=-255, var_1_17=8193, var_1_18=-57344, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.6s, OverallIterations: 4, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 137 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 104 mSDsluCounter, 507 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 288 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 553 IncrementalHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 219 mSDtfsCounter, 553 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 361 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 15.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=2, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 17.8s InterpolantComputationTime, 898 NumberOfCodeBlocks, 898 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 381 ConstructedInterpolants, 0 QuantifiedInterpolants, 892 SizeOfPredicates, 6 NumberOfNonLiveVariables, 640 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 2232/2280 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-11 08:05:40,256 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-10-11 08:05:40,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 2ca49ab820ec7b63f08a2ce22e67a701d1d86b8ff13cf45853d7baabaed2f9ad --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 08:05:42,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 08:05:42,234 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-11 08:05:42,238 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 08:05:42,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 08:05:42,255 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 08:05:42,256 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 08:05:42,256 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 08:05:42,256 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 08:05:42,257 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 08:05:42,257 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 08:05:42,257 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 08:05:42,258 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 08:05:42,258 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 08:05:42,258 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 08:05:42,258 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 08:05:42,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 08:05:42,259 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 08:05:42,259 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 08:05:42,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 08:05:42,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 08:05:42,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 08:05:42,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 08:05:42,260 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 08:05:42,261 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 08:05:42,261 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 08:05:42,261 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 08:05:42,261 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 08:05:42,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 08:05:42,262 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 08:05:42,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 08:05:42,262 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 08:05:42,263 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 08:05:42,263 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 08:05:42,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 08:05:42,275 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 08:05:42,275 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 08:05:42,276 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 08:05:42,276 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 08:05:42,276 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 08:05:42,276 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 08:05:42,277 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 08:05:42,277 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 08:05:42,277 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 08:05:42,277 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 08:05:42,277 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ca49ab820ec7b63f08a2ce22e67a701d1d86b8ff13cf45853d7baabaed2f9ad [2024-10-11 08:05:42,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 08:05:42,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 08:05:42,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 08:05:42,639 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 08:05:42,643 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 08:05:42,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i [2024-10-11 08:05:44,101 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 08:05:44,330 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 08:05:44,330 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i [2024-10-11 08:05:44,345 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/61a8bc0d5/ab0e969ea2ca424c9bb2fbb3061c6113/FLAGb00f6483f [2024-10-11 08:05:44,361 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/61a8bc0d5/ab0e969ea2ca424c9bb2fbb3061c6113 [2024-10-11 08:05:44,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 08:05:44,366 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 08:05:44,369 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 08:05:44,369 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 08:05:44,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 08:05:44,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:05:44" (1/1) ... [2024-10-11 08:05:44,379 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21d1a498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:44, skipping insertion in model container [2024-10-11 08:05:44,379 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:05:44" (1/1) ... [2024-10-11 08:05:44,407 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 08:05:44,615 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i[915,928] [2024-10-11 08:05:44,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 08:05:44,706 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 08:05:44,717 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i[915,928] [2024-10-11 08:05:44,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 08:05:44,770 INFO L204 MainTranslator]: Completed translation [2024-10-11 08:05:44,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:44 WrapperNode [2024-10-11 08:05:44,771 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 08:05:44,772 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 08:05:44,772 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 08:05:44,772 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 08:05:44,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:44" (1/1) ... [2024-10-11 08:05:44,799 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:44" (1/1) ... [2024-10-11 08:05:44,833 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2024-10-11 08:05:44,834 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 08:05:44,835 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 08:05:44,837 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 08:05:44,837 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 08:05:44,846 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:44" (1/1) ... [2024-10-11 08:05:44,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:44" (1/1) ... [2024-10-11 08:05:44,852 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:44" (1/1) ... [2024-10-11 08:05:44,869 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 08:05:44,870 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:44" (1/1) ... [2024-10-11 08:05:44,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:44" (1/1) ... [2024-10-11 08:05:44,885 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:44" (1/1) ... [2024-10-11 08:05:44,892 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:44" (1/1) ... [2024-10-11 08:05:44,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:44" (1/1) ... [2024-10-11 08:05:44,895 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:44" (1/1) ... [2024-10-11 08:05:44,902 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 08:05:44,907 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 08:05:44,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 08:05:44,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 08:05:44,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:44" (1/1) ... [2024-10-11 08:05:44,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 08:05:44,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 08:05:44,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 08:05:44,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 08:05:45,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 08:05:45,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-11 08:05:45,036 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 08:05:45,036 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 08:05:45,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 08:05:45,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 08:05:45,166 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 08:05:45,168 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 08:05:48,510 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-11 08:05:48,510 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 08:05:48,547 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 08:05:48,547 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 08:05:48,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:05:48 BoogieIcfgContainer [2024-10-11 08:05:48,548 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 08:05:48,549 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 08:05:48,549 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 08:05:48,552 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 08:05:48,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:05:44" (1/3) ... [2024-10-11 08:05:48,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6944178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:05:48, skipping insertion in model container [2024-10-11 08:05:48,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:05:44" (2/3) ... [2024-10-11 08:05:48,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6944178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:05:48, skipping insertion in model container [2024-10-11 08:05:48,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:05:48" (3/3) ... [2024-10-11 08:05:48,554 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-41.i [2024-10-11 08:05:48,568 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 08:05:48,569 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 08:05:48,621 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 08:05:48,626 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;@104038f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 08:05:48,627 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 08:05:48,631 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 37 states have internal predecessors, (52), 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) [2024-10-11 08:05:48,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-11 08:05:48,660 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:05:48,660 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] [2024-10-11 08:05:48,661 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:05:48,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:05:48,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1951117343, now seen corresponding path program 1 times [2024-10-11 08:05:48,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 08:05:48,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [642244041] [2024-10-11 08:05:48,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:05:48,684 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 08:05:48,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 08:05:48,690 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 08:05:48,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-11 08:05:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:05:49,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-11 08:05:49,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 08:05:49,096 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-10-11 08:05:49,096 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 08:05:49,097 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 08:05:49,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [642244041] [2024-10-11 08:05:49,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [642244041] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:05:49,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:05:49,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 08:05:49,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128418902] [2024-10-11 08:05:49,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:05:49,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 08:05:49,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 08:05:49,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 08:05:49,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 08:05:49,126 INFO L87 Difference]: Start difference. First operand has 59 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 37 states have internal predecessors, (52), 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 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-11 08:05:51,281 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 [] [2024-10-11 08:05:51,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:05:51,282 INFO L93 Difference]: Finished difference Result 115 states and 202 transitions. [2024-10-11 08:05:51,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 08:05:51,316 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 128 [2024-10-11 08:05:51,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:05:51,326 INFO L225 Difference]: With dead ends: 115 [2024-10-11 08:05:51,326 INFO L226 Difference]: Without dead ends: 57 [2024-10-11 08:05:51,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 08:05:51,331 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-11 08:05:51,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-11 08:05:51,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-10-11 08:05:51,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-10-11 08:05:51,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 35 states have internal predecessors, (46), 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) [2024-10-11 08:05:51,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 86 transitions. [2024-10-11 08:05:51,364 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 86 transitions. Word has length 128 [2024-10-11 08:05:51,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:05:51,365 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 86 transitions. [2024-10-11 08:05:51,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-11 08:05:51,365 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 86 transitions. [2024-10-11 08:05:51,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-11 08:05:51,367 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:05:51,368 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] [2024-10-11 08:05:51,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-11 08:05:51,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 08:05:51,569 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:05:51,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:05:51,571 INFO L85 PathProgramCache]: Analyzing trace with hash 2014491099, now seen corresponding path program 1 times [2024-10-11 08:05:51,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 08:05:51,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2053514315] [2024-10-11 08:05:51,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:05:51,572 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 08:05:51,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 08:05:51,574 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 08:05:51,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-11 08:05:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:05:51,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 08:05:51,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 08:05:53,130 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-10-11 08:05:53,130 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 08:05:53,130 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 08:05:53,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2053514315] [2024-10-11 08:05:53,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2053514315] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:05:53,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:05:53,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 08:05:53,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982980289] [2024-10-11 08:05:53,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:05:53,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 08:05:53,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 08:05:53,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 08:05:53,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 08:05:53,134 INFO L87 Difference]: Start difference. First operand 57 states and 86 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 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) [2024-10-11 08:05:58,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:05:58,119 INFO L93 Difference]: Finished difference Result 168 states and 254 transitions. [2024-10-11 08:05:58,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 08:05:58,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 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 128 [2024-10-11 08:05:58,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:05:58,126 INFO L225 Difference]: With dead ends: 168 [2024-10-11 08:05:58,126 INFO L226 Difference]: Without dead ends: 112 [2024-10-11 08:05:58,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 08:05:58,128 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 20 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-10-11 08:05:58,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 148 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-10-11 08:05:58,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-10-11 08:05:58,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 109. [2024-10-11 08:05:58,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 66 states have (on average 1.2727272727272727) internal successors, (84), 66 states have internal predecessors, (84), 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) [2024-10-11 08:05:58,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 164 transitions. [2024-10-11 08:05:58,171 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 164 transitions. Word has length 128 [2024-10-11 08:05:58,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:05:58,172 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 164 transitions. [2024-10-11 08:05:58,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 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) [2024-10-11 08:05:58,172 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 164 transitions. [2024-10-11 08:05:58,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-11 08:05:58,174 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:05:58,174 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] [2024-10-11 08:05:58,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 08:05:58,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 08:05:58,375 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:05:58,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:05:58,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1579411619, now seen corresponding path program 1 times [2024-10-11 08:05:58,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 08:05:58,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2009845231] [2024-10-11 08:05:58,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:05:58,377 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 08:05:58,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 08:05:58,380 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 08:05:58,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-11 08:05:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:05:58,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 08:05:58,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 08:05:59,430 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 403 proven. 42 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-10-11 08:05:59,430 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 08:06:01,354 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 08:06:01,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2009845231] [2024-10-11 08:06:01,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2009845231] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 08:06:01,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1347164984] [2024-10-11 08:06:01,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:06:01,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-10-11 08:06:01,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/cvc4 [2024-10-11 08:06:01,363 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-10-11 08:06:01,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-10-11 08:06:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:02,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 08:06:02,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 08:06:02,532 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-10-11 08:06:02,533 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 08:06:02,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1347164984] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:06:02,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 08:06:02,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-11 08:06:02,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504858282] [2024-10-11 08:06:02,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:06:02,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 08:06:02,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 08:06:02,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 08:06:02,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-10-11 08:06:02,535 INFO L87 Difference]: Start difference. First operand 109 states and 164 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2024-10-11 08:06:04,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 08:06:05,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:06:05,380 INFO L93 Difference]: Finished difference Result 325 states and 490 transitions. [2024-10-11 08:06:05,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 08:06:05,381 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 128 [2024-10-11 08:06:05,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:06:05,385 INFO L225 Difference]: With dead ends: 325 [2024-10-11 08:06:05,386 INFO L226 Difference]: Without dead ends: 217 [2024-10-11 08:06:05,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-10-11 08:06:05,388 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 78 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-10-11 08:06:05,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 482 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-10-11 08:06:05,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-10-11 08:06:05,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 215. [2024-10-11 08:06:05,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 130 states have (on average 1.2461538461538462) internal successors, (162), 130 states have internal predecessors, (162), 80 states have call successors, (80), 4 states have call predecessors, (80), 4 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-11 08:06:05,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 322 transitions. [2024-10-11 08:06:05,415 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 322 transitions. Word has length 128 [2024-10-11 08:06:05,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:06:05,416 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 322 transitions. [2024-10-11 08:06:05,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2024-10-11 08:06:05,420 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 322 transitions. [2024-10-11 08:06:05,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-11 08:06:05,422 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:06:05,422 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] [2024-10-11 08:06:05,435 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-10-11 08:06:05,638 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 08:06:05,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 08:06:05,830 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:06:05,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:06:05,830 INFO L85 PathProgramCache]: Analyzing trace with hash -770064993, now seen corresponding path program 1 times [2024-10-11 08:06:05,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 08:06:05,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1531349994] [2024-10-11 08:06:05,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:06:05,832 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 08:06:05,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 08:06:05,835 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 08:06:05,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-10-11 08:06:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:06,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 08:06:06,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 08:06:06,595 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 403 proven. 42 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-10-11 08:06:06,595 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 08:06:08,476 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 08:06:08,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1531349994] [2024-10-11 08:06:08,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1531349994] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 08:06:08,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [226006146] [2024-10-11 08:06:08,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:06:08,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-10-11 08:06:08,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/cvc4 [2024-10-11 08:06:08,480 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-10-11 08:06:08,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-10-11 08:06:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:09,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 08:06:09,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 08:06:09,966 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 403 proven. 42 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-10-11 08:06:09,966 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 08:06:11,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [226006146] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 08:06:11,234 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 08:06:11,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2024-10-11 08:06:11,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317861801] [2024-10-11 08:06:11,234 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 08:06:11,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 08:06:11,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 08:06:11,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 08:06:11,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-10-11 08:06:11,236 INFO L87 Difference]: Start difference. First operand 215 states and 322 transitions. Second operand has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 8 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-11 08:06:13,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 08:06:13,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:06:13,247 INFO L93 Difference]: Finished difference Result 469 states and 675 transitions. [2024-10-11 08:06:13,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 08:06:13,271 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 8 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 128 [2024-10-11 08:06:13,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:06:13,274 INFO L225 Difference]: With dead ends: 469 [2024-10-11 08:06:13,274 INFO L226 Difference]: Without dead ends: 255 [2024-10-11 08:06:13,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-10-11 08:06:13,276 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 61 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-11 08:06:13,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 171 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-11 08:06:13,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-10-11 08:06:13,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 247. [2024-10-11 08:06:13,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 154 states have (on average 1.1948051948051948) internal successors, (184), 154 states have internal predecessors, (184), 80 states have call successors, (80), 12 states have call predecessors, (80), 12 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-11 08:06:13,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 344 transitions. [2024-10-11 08:06:13,320 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 344 transitions. Word has length 128 [2024-10-11 08:06:13,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:06:13,321 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 344 transitions. [2024-10-11 08:06:13,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 8 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-11 08:06:13,322 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 344 transitions. [2024-10-11 08:06:13,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-11 08:06:13,324 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:06:13,324 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] [2024-10-11 08:06:13,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-10-11 08:06:13,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-10-11 08:06:13,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/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 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-10-11 08:06:13,728 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:06:13,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:06:13,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1717470636, now seen corresponding path program 1 times [2024-10-11 08:06:13,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 08:06:13,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [747731011] [2024-10-11 08:06:13,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:06:13,730 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 08:06:13,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 08:06:13,734 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 08:06:13,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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)] Waiting until timeout for monitored process [2024-10-11 08:06:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:14,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-11 08:06:14,217 INFO L278 TraceCheckSpWp]: Computing forward predicates...