./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-77.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-77.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 61edaa17b57a1e296f8c551a6e15613c70d27e9bd710209c47f2d0643bc678c5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 20:39:13,941 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 20:39:13,986 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 20:39:13,989 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 20:39:13,990 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 20:39:14,003 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 20:39:14,003 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 20:39:14,003 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 20:39:14,004 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 20:39:14,004 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 20:39:14,004 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 20:39:14,004 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 20:39:14,004 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 20:39:14,004 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 20:39:14,004 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 20:39:14,005 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 20:39:14,005 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 20:39:14,005 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 20:39:14,005 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 20:39:14,005 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 20:39:14,005 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 20:39:14,005 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 20:39:14,005 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 20:39:14,005 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 20:39:14,005 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 20:39:14,005 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 20:39:14,005 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 20:39:14,006 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 20:39:14,006 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 20:39:14,006 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 20:39:14,006 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 20:39:14,006 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 20:39:14,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 20:39:14,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 20:39:14,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 20:39:14,006 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 20:39:14,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 20:39:14,007 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 20:39:14,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 20:39:14,007 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 20:39:14,007 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 20:39:14,007 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 20:39:14,007 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 20:39:14,007 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 61edaa17b57a1e296f8c551a6e15613c70d27e9bd710209c47f2d0643bc678c5 [2025-02-05 20:39:14,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 20:39:14,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 20:39:14,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 20:39:14,205 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 20:39:14,205 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 20:39:14,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-77.i [2025-02-05 20:39:15,290 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bfb39a13c/2befcd2232f9481d87e3b3387f082c6f/FLAG16e3909b2 [2025-02-05 20:39:15,557 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 20:39:15,558 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-77.i [2025-02-05 20:39:15,566 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bfb39a13c/2befcd2232f9481d87e3b3387f082c6f/FLAG16e3909b2 [2025-02-05 20:39:15,857 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bfb39a13c/2befcd2232f9481d87e3b3387f082c6f [2025-02-05 20:39:15,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 20:39:15,860 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 20:39:15,861 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 20:39:15,862 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 20:39:15,868 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 20:39:15,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 08:39:15" (1/1) ... [2025-02-05 20:39:15,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6812484a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:15, skipping insertion in model container [2025-02-05 20:39:15,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 08:39:15" (1/1) ... [2025-02-05 20:39:15,891 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 20:39:15,978 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-77.i[913,926] [2025-02-05 20:39:16,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 20:39:16,011 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 20:39:16,017 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-77.i[913,926] [2025-02-05 20:39:16,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 20:39:16,044 INFO L204 MainTranslator]: Completed translation [2025-02-05 20:39:16,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:16 WrapperNode [2025-02-05 20:39:16,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 20:39:16,046 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 20:39:16,046 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 20:39:16,046 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 20:39:16,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:16" (1/1) ... [2025-02-05 20:39:16,055 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:16" (1/1) ... [2025-02-05 20:39:16,073 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 138 [2025-02-05 20:39:16,074 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 20:39:16,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 20:39:16,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 20:39:16,074 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 20:39:16,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:16" (1/1) ... [2025-02-05 20:39:16,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:16" (1/1) ... [2025-02-05 20:39:16,082 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:16" (1/1) ... [2025-02-05 20:39:16,090 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]. [2025-02-05 20:39:16,091 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:16" (1/1) ... [2025-02-05 20:39:16,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:16" (1/1) ... [2025-02-05 20:39:16,095 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:16" (1/1) ... [2025-02-05 20:39:16,096 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:16" (1/1) ... [2025-02-05 20:39:16,096 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:16" (1/1) ... [2025-02-05 20:39:16,097 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:16" (1/1) ... [2025-02-05 20:39:16,099 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 20:39:16,099 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 20:39:16,099 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 20:39:16,099 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 20:39:16,100 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:16" (1/1) ... [2025-02-05 20:39:16,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 20:39:16,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 20:39:16,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 20:39:16,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 20:39:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 20:39:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-05 20:39:16,157 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-05 20:39:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 20:39:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 20:39:16,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 20:39:16,212 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 20:39:16,213 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 20:39:16,453 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-02-05 20:39:16,455 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 20:39:16,466 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 20:39:16,467 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 20:39:16,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 08:39:16 BoogieIcfgContainer [2025-02-05 20:39:16,468 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 20:39:16,469 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 20:39:16,470 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 20:39:16,473 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 20:39:16,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 08:39:15" (1/3) ... [2025-02-05 20:39:16,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e487e5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 08:39:16, skipping insertion in model container [2025-02-05 20:39:16,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:16" (2/3) ... [2025-02-05 20:39:16,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e487e5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 08:39:16, skipping insertion in model container [2025-02-05 20:39:16,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 08:39:16" (3/3) ... [2025-02-05 20:39:16,476 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-77.i [2025-02-05 20:39:16,487 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 20:39:16,489 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_normal_file-77.i that has 2 procedures, 65 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-05 20:39:16,537 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 20:39:16,546 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;@532ce988, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 20:39:16,547 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 20:39:16,550 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-05 20:39:16,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-02-05 20:39:16,560 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 20:39:16,560 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 20:39:16,561 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 20:39:16,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 20:39:16,565 INFO L85 PathProgramCache]: Analyzing trace with hash 916674615, now seen corresponding path program 1 times [2025-02-05 20:39:16,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 20:39:16,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968960916] [2025-02-05 20:39:16,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 20:39:16,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 20:39:16,648 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-02-05 20:39:16,662 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-02-05 20:39:16,662 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 20:39:16,662 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 20:39:16,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2025-02-05 20:39:16,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 20:39:16,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968960916] [2025-02-05 20:39:16,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968960916] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 20:39:16,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155078370] [2025-02-05 20:39:16,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 20:39:16,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 20:39:16,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 20:39:16,817 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 20:39:16,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-05 20:39:16,877 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-02-05 20:39:16,944 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-02-05 20:39:16,945 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 20:39:16,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 20:39:16,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-05 20:39:16,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 20:39:16,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2025-02-05 20:39:16,981 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 20:39:16,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155078370] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 20:39:16,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 20:39:16,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-05 20:39:16,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050127567] [2025-02-05 20:39:16,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 20:39:16,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-05 20:39:16,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 20:39:17,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-05 20:39:17,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 20:39:17,001 INFO L87 Difference]: Start difference. First operand has 65 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2025-02-05 20:39:17,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 20:39:17,016 INFO L93 Difference]: Finished difference Result 124 states and 216 transitions. [2025-02-05 20:39:17,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-05 20:39:17,017 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 144 [2025-02-05 20:39:17,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 20:39:17,021 INFO L225 Difference]: With dead ends: 124 [2025-02-05 20:39:17,021 INFO L226 Difference]: Without dead ends: 62 [2025-02-05 20:39:17,023 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 20:39:17,024 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 20:39:17,025 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 20:39:17,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2025-02-05 20:39:17,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2025-02-05 20:39:17,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 37 states have internal predecessors, (48), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-05 20:39:17,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 94 transitions. [2025-02-05 20:39:17,052 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 94 transitions. Word has length 144 [2025-02-05 20:39:17,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 20:39:17,053 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 94 transitions. [2025-02-05 20:39:17,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2025-02-05 20:39:17,053 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 94 transitions. [2025-02-05 20:39:17,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-02-05 20:39:17,056 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 20:39:17,056 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 20:39:17,064 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-05 20:39:17,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-05 20:39:17,262 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 20:39:17,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 20:39:17,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1575347770, now seen corresponding path program 1 times [2025-02-05 20:39:17,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 20:39:17,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131764280] [2025-02-05 20:39:17,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 20:39:17,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 20:39:17,318 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-02-05 20:39:17,347 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-02-05 20:39:17,347 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 20:39:17,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 20:39:17,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2025-02-05 20:39:17,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 20:39:17,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131764280] [2025-02-05 20:39:17,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131764280] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 20:39:17,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 20:39:17,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 20:39:17,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083291248] [2025-02-05 20:39:17,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 20:39:17,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 20:39:17,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 20:39:17,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 20:39:17,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-05 20:39:17,599 INFO L87 Difference]: Start difference. First operand 62 states and 94 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-02-05 20:39:17,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 20:39:17,837 INFO L93 Difference]: Finished difference Result 181 states and 263 transitions. [2025-02-05 20:39:17,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 20:39:17,838 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 144 [2025-02-05 20:39:17,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 20:39:17,839 INFO L225 Difference]: With dead ends: 181 [2025-02-05 20:39:17,840 INFO L226 Difference]: Without dead ends: 122 [2025-02-05 20:39:17,840 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-02-05 20:39:17,840 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 141 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-05 20:39:17,841 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 177 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-05 20:39:17,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2025-02-05 20:39:17,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 95. [2025-02-05 20:39:17,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 61 states have (on average 1.2950819672131149) internal successors, (79), 62 states have internal predecessors, (79), 30 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-05 20:39:17,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 139 transitions. [2025-02-05 20:39:17,866 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 139 transitions. Word has length 144 [2025-02-05 20:39:17,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 20:39:17,866 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 139 transitions. [2025-02-05 20:39:17,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-02-05 20:39:17,866 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 139 transitions. [2025-02-05 20:39:17,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-02-05 20:39:17,868 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 20:39:17,868 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 20:39:17,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-05 20:39:17,871 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 20:39:17,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 20:39:17,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1576271291, now seen corresponding path program 1 times [2025-02-05 20:39:17,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 20:39:17,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122814287] [2025-02-05 20:39:17,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 20:39:17,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 20:39:17,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-02-05 20:39:18,030 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-02-05 20:39:18,030 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 20:39:18,030 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-05 20:39:18,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [433158946] [2025-02-05 20:39:18,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 20:39:18,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 20:39:18,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 20:39:18,039 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 20:39:18,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-05 20:39:18,082 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-02-05 20:39:18,152 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-02-05 20:39:18,152 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 20:39:18,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 20:39:18,153 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-05 20:39:18,167 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-02-05 20:39:18,186 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-02-05 20:39:18,187 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 20:39:18,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 20:39:18,229 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-05 20:39:18,229 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-05 20:39:18,230 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-05 20:39:18,238 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-05 20:39:18,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 20:39:18,434 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-02-05 20:39:18,491 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 20:39:18,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 08:39:18 BoogieIcfgContainer [2025-02-05 20:39:18,493 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 20:39:18,494 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 20:39:18,494 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 20:39:18,494 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 20:39:18,494 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 08:39:16" (3/4) ... [2025-02-05 20:39:18,496 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-05 20:39:18,496 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 20:39:18,497 INFO L158 Benchmark]: Toolchain (without parser) took 2636.61ms. Allocated memory is still 167.8MB. Free memory was 133.0MB in the beginning and 105.5MB in the end (delta: 27.6MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2025-02-05 20:39:18,497 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 125.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 20:39:18,497 INFO L158 Benchmark]: CACSL2BoogieTranslator took 184.03ms. Allocated memory is still 167.8MB. Free memory was 132.6MB in the beginning and 119.2MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-05 20:39:18,498 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.00ms. Allocated memory is still 167.8MB. Free memory was 119.2MB in the beginning and 116.3MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 20:39:18,498 INFO L158 Benchmark]: Boogie Preprocessor took 24.34ms. Allocated memory is still 167.8MB. Free memory was 115.9MB in the beginning and 112.5MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 20:39:18,498 INFO L158 Benchmark]: IcfgBuilder took 368.57ms. Allocated memory is still 167.8MB. Free memory was 112.5MB in the beginning and 91.6MB in the end (delta: 20.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-05 20:39:18,498 INFO L158 Benchmark]: TraceAbstraction took 2023.82ms. Allocated memory is still 167.8MB. Free memory was 90.8MB in the beginning and 105.9MB in the end (delta: -15.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 20:39:18,498 INFO L158 Benchmark]: Witness Printer took 2.72ms. Allocated memory is still 167.8MB. Free memory was 105.9MB in the beginning and 105.5MB in the end (delta: 411.5kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 20:39:18,499 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 125.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 184.03ms. Allocated memory is still 167.8MB. Free memory was 132.6MB in the beginning and 119.2MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.00ms. Allocated memory is still 167.8MB. Free memory was 119.2MB in the beginning and 116.3MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.34ms. Allocated memory is still 167.8MB. Free memory was 115.9MB in the beginning and 112.5MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 368.57ms. Allocated memory is still 167.8MB. Free memory was 112.5MB in the beginning and 91.6MB in the end (delta: 20.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2023.82ms. Allocated memory is still 167.8MB. Free memory was 90.8MB in the beginning and 105.9MB in the end (delta: -15.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.72ms. Allocated memory is still 167.8MB. Free memory was 105.9MB in the beginning and 105.5MB in the end (delta: 411.5kB). 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 97, overapproximation of someBinaryFLOATComparisonOperation at line 87, overapproximation of someBinaryFLOATComparisonOperation at line 57, overapproximation of someBinaryFLOATComparisonOperation at line 126, overapproximation of someBinaryFLOATComparisonOperation at line 64, overapproximation of someBinaryFLOATComparisonOperation at line 89. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 2; [L23] float var_1_2 = 255.5; [L24] float var_1_3 = 99.8; [L25] signed char var_1_4 = -25; [L26] signed long int var_1_5 = -16; [L27] float var_1_6 = 255.25; [L28] unsigned short int var_1_7 = 16; [L29] signed char var_1_8 = -10; [L30] signed char var_1_9 = -8; [L31] unsigned short int var_1_10 = 8; [L32] unsigned short int var_1_11 = 10000; [L33] unsigned short int var_1_12 = 5; [L34] signed short int var_1_13 = 200; [L35] unsigned char var_1_14 = 0; [L36] unsigned char var_1_15 = 0; [L37] unsigned short int var_1_16 = 35895; [L38] unsigned short int var_1_17 = 18336; [L39] unsigned char var_1_18 = 0; [L40] signed long int var_1_19 = -50; VAL [isInitial=0, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_2=511/2, var_1_3=499/5, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L130] isInitial = 1 [L131] FCALL initially() [L132] COND TRUE 1 [L133] FCALL updateLastVariables() [L134] CALL updateVariables() [L86] var_1_2 = __VERIFIER_nondet_float() [L87] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_3=499/5, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_3=499/5, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L87] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_3=499/5, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L88] var_1_3 = __VERIFIER_nondet_float() [L89] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L89] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L90] var_1_4 = __VERIFIER_nondet_char() [L91] CALL assume_abort_if_not(var_1_4 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L91] RET assume_abort_if_not(var_1_4 >= -127) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L92] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L92] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L93] var_1_5 = __VERIFIER_nondet_long() [L94] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L94] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L95] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L95] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L96] var_1_6 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16, var_1_8=-10, var_1_9=-8] [L97] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16, var_1_8=-10, var_1_9=-8] [L98] var_1_7 = __VERIFIER_nondet_ushort() [L99] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_8=-10, var_1_9=-8] [L99] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_8=-10, var_1_9=-8] [L100] CALL assume_abort_if_not(var_1_7 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=-8] [L100] RET assume_abort_if_not(var_1_7 <= 65534) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=-8] [L101] var_1_9 = __VERIFIER_nondet_char() [L102] CALL assume_abort_if_not(var_1_9 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L102] RET assume_abort_if_not(var_1_9 >= -127) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L103] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L103] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L104] var_1_11 = __VERIFIER_nondet_ushort() [L105] CALL assume_abort_if_not(var_1_11 >= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L105] RET assume_abort_if_not(var_1_11 >= 8191) VAL [isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L106] CALL assume_abort_if_not(var_1_11 <= 16384) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L106] RET assume_abort_if_not(var_1_11 <= 16384) VAL [isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L107] var_1_12 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=-57344, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=-57344, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L108] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=-57344, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L109] CALL assume_abort_if_not(var_1_12 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L109] RET assume_abort_if_not(var_1_12 <= 16383) VAL [isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L110] var_1_14 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L111] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L112] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L112] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L113] var_1_16 = __VERIFIER_nondet_ushort() [L114] CALL assume_abort_if_not(var_1_16 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L114] RET assume_abort_if_not(var_1_16 >= 32767) VAL [isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L115] CALL assume_abort_if_not(var_1_16 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L115] RET assume_abort_if_not(var_1_16 <= 65535) VAL [isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L116] var_1_17 = __VERIFIER_nondet_ushort() [L117] CALL assume_abort_if_not(var_1_17 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L117] RET assume_abort_if_not(var_1_17 >= 16383) VAL [isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L118] CALL assume_abort_if_not(var_1_17 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L118] RET assume_abort_if_not(var_1_17 <= 32767) VAL [isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L119] var_1_18 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L120] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L121] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L121] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L134] RET updateVariables() [L135] CALL step() [L44] COND FALSE !(((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) <= var_1_5) [L51] var_1_1 = var_1_7 VAL [isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=1, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=-10, var_1_9=0] [L53] COND TRUE (- var_1_7) < (var_1_5 * var_1_4) [L54] var_1_8 = var_1_9 VAL [isInitial=1, var_1_10=8, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=1, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=0, var_1_9=0] [L56] var_1_10 = (50 + ((var_1_11 + 10000) - var_1_12)) VAL [isInitial=1, var_1_10=18033, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=1, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=0, var_1_9=0] [L57] COND FALSE !((var_1_6 * var_1_2) <= var_1_3) VAL [isInitial=1, var_1_10=18033, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=1, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=0, var_1_9=0] [L64] COND FALSE !(var_1_3 != var_1_6) [L71] var_1_15 = var_1_18 VAL [isInitial=1, var_1_10=18033, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=1, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=0, var_1_9=0] [L73] COND TRUE var_1_10 < (- var_1_5) VAL [isInitial=1, var_1_10=18033, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=1, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=0, var_1_9=0] [L74] COND FALSE !((var_1_7 + (128 + var_1_10)) <= var_1_8) VAL [isInitial=1, var_1_10=18033, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=1, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=0, var_1_9=0] [L135] RET step() [L136] CALL, EXPR property() [L126-L127] return ((((((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) <= var_1_5) ? (((- var_1_3) > ((((var_1_2) > (var_1_6)) ? (var_1_2) : (var_1_6)))) ? (var_1_1 == ((unsigned short int) var_1_7)) : (var_1_1 == ((unsigned short int) var_1_7))) : (var_1_1 == ((unsigned short int) var_1_7))) && (((- var_1_7) < (var_1_5 * var_1_4)) ? (var_1_8 == ((signed char) var_1_9)) : 1)) && (var_1_10 == ((unsigned short int) (50 + ((var_1_11 + 10000) - var_1_12))))) && (((var_1_6 * var_1_2) <= var_1_3) ? (var_1_14 ? (var_1_13 == ((signed short int) (-10 + var_1_12))) : (var_1_13 == ((signed short int) var_1_4))) : 1)) && ((var_1_3 != var_1_6) ? ((var_1_1 >= (var_1_16 - (var_1_17 - 256))) ? (var_1_15 == ((unsigned char) var_1_18)) : (var_1_15 == ((unsigned char) var_1_18))) : (var_1_15 == ((unsigned char) var_1_18)))) && ((var_1_10 < (- var_1_5)) ? (((var_1_7 + (128 + var_1_10)) <= var_1_8) ? (var_1_19 == ((signed long int) var_1_4)) : 1) : ((var_1_10 < (((((var_1_5) < (var_1_17)) ? (var_1_5) : (var_1_17))) / var_1_11)) ? (var_1_19 == ((signed long int) ((((var_1_7) > (var_1_9)) ? (var_1_7) : (var_1_9))))) : (var_1_19 == ((signed long int) var_1_16)))) ; VAL [\result=0, isInitial=1, var_1_10=18033, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=1, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=0, var_1_9=0] [L136] RET, EXPR property() [L136] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=18033, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=1, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=18033, var_1_11=-57344, var_1_12=-130863, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=1, var_1_4=0, var_1_5=-24576, var_1_7=1, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 141 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 141 mSDsluCounter, 271 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 122 IncrementalHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 177 mSDtfsCounter, 122 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=2, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 27 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 720 NumberOfCodeBlocks, 720 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 429 ConstructedInterpolants, 0 QuantifiedInterpolants, 600 SizeOfPredicates, 0 NumberOfNonLiveVariables, 318 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 2992/3036 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-02-05 20:39:18,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-77.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 61edaa17b57a1e296f8c551a6e15613c70d27e9bd710209c47f2d0643bc678c5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 20:39:20,469 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 20:39:20,555 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-05 20:39:20,560 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 20:39:20,560 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 20:39:20,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 20:39:20,580 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 20:39:20,580 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 20:39:20,580 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 20:39:20,581 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 20:39:20,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 20:39:20,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 20:39:20,581 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 20:39:20,581 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 20:39:20,581 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 20:39:20,581 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 20:39:20,582 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 20:39:20,582 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 20:39:20,582 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 20:39:20,582 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 20:39:20,582 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 20:39:20,582 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 20:39:20,582 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 20:39:20,582 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-05 20:39:20,582 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-05 20:39:20,582 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-05 20:39:20,582 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 20:39:20,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 20:39:20,583 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 20:39:20,583 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 20:39:20,583 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 20:39:20,583 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 20:39:20,583 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 20:39:20,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 20:39:20,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 20:39:20,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 20:39:20,583 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 20:39:20,583 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 20:39:20,583 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 20:39:20,584 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-05 20:39:20,584 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-05 20:39:20,584 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 20:39:20,584 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 20:39:20,584 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 20:39:20,584 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 20:39:20,584 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 61edaa17b57a1e296f8c551a6e15613c70d27e9bd710209c47f2d0643bc678c5 [2025-02-05 20:39:20,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 20:39:20,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 20:39:20,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 20:39:20,814 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 20:39:20,814 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 20:39:20,815 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-77.i [2025-02-05 20:39:21,981 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c3add8790/cb07b6c65abd42a2a2e93cf26c46719c/FLAG91e69ca43 [2025-02-05 20:39:22,165 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 20:39:22,166 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-77.i [2025-02-05 20:39:22,175 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c3add8790/cb07b6c65abd42a2a2e93cf26c46719c/FLAG91e69ca43 [2025-02-05 20:39:22,189 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c3add8790/cb07b6c65abd42a2a2e93cf26c46719c [2025-02-05 20:39:22,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 20:39:22,194 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 20:39:22,195 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 20:39:22,196 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 20:39:22,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 20:39:22,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 08:39:22" (1/1) ... [2025-02-05 20:39:22,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a53ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:22, skipping insertion in model container [2025-02-05 20:39:22,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 08:39:22" (1/1) ... [2025-02-05 20:39:22,218 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 20:39:22,335 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-77.i[913,926] [2025-02-05 20:39:22,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 20:39:22,413 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 20:39:22,423 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-77.i[913,926] [2025-02-05 20:39:22,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 20:39:22,453 INFO L204 MainTranslator]: Completed translation [2025-02-05 20:39:22,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:22 WrapperNode [2025-02-05 20:39:22,454 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 20:39:22,455 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 20:39:22,455 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 20:39:22,455 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 20:39:22,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:22" (1/1) ... [2025-02-05 20:39:22,468 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:22" (1/1) ... [2025-02-05 20:39:22,485 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 135 [2025-02-05 20:39:22,485 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 20:39:22,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 20:39:22,486 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 20:39:22,486 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 20:39:22,491 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:22" (1/1) ... [2025-02-05 20:39:22,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:22" (1/1) ... [2025-02-05 20:39:22,499 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:22" (1/1) ... [2025-02-05 20:39:22,515 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]. [2025-02-05 20:39:22,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:22" (1/1) ... [2025-02-05 20:39:22,519 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:22" (1/1) ... [2025-02-05 20:39:22,525 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:22" (1/1) ... [2025-02-05 20:39:22,526 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:22" (1/1) ... [2025-02-05 20:39:22,528 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:22" (1/1) ... [2025-02-05 20:39:22,529 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:22" (1/1) ... [2025-02-05 20:39:22,530 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 20:39:22,531 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 20:39:22,531 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 20:39:22,531 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 20:39:22,532 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:22" (1/1) ... [2025-02-05 20:39:22,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 20:39:22,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 20:39:22,564 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 20:39:22,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 20:39:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 20:39:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-05 20:39:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-05 20:39:22,600 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-05 20:39:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 20:39:22,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 20:39:22,661 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 20:39:22,662 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 20:39:23,223 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-02-05 20:39:23,223 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 20:39:23,229 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 20:39:23,230 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 20:39:23,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 08:39:23 BoogieIcfgContainer [2025-02-05 20:39:23,230 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 20:39:23,232 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 20:39:23,232 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 20:39:23,235 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 20:39:23,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 08:39:22" (1/3) ... [2025-02-05 20:39:23,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@321c6ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 08:39:23, skipping insertion in model container [2025-02-05 20:39:23,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:39:22" (2/3) ... [2025-02-05 20:39:23,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@321c6ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 08:39:23, skipping insertion in model container [2025-02-05 20:39:23,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 08:39:23" (3/3) ... [2025-02-05 20:39:23,237 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-77.i [2025-02-05 20:39:23,247 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 20:39:23,249 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_normal_file-77.i that has 2 procedures, 65 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-05 20:39:23,282 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 20:39:23,293 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;@7d4395fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 20:39:23,294 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 20:39:23,296 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-05 20:39:23,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-02-05 20:39:23,314 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 20:39:23,315 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 20:39:23,316 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 20:39:23,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 20:39:23,319 INFO L85 PathProgramCache]: Analyzing trace with hash 916674615, now seen corresponding path program 1 times [2025-02-05 20:39:23,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 20:39:23,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1913237567] [2025-02-05 20:39:23,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 20:39:23,339 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 [2025-02-05 20:39:23,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 20:39:23,342 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/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) [2025-02-05 20:39:23,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-02-05 20:39:23,424 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-02-05 20:39:23,559 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-02-05 20:39:23,559 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 20:39:23,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 20:39:23,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-05 20:39:23,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 20:39:23,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 384 proven. 0 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2025-02-05 20:39:23,626 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 20:39:23,627 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 20:39:23,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1913237567] [2025-02-05 20:39:23,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1913237567] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 20:39:23,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 20:39:23,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-05 20:39:23,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610140839] [2025-02-05 20:39:23,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 20:39:23,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-05 20:39:23,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 20:39:23,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-05 20:39:23,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 20:39:23,644 INFO L87 Difference]: Start difference. First operand has 65 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-02-05 20:39:23,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 20:39:23,658 INFO L93 Difference]: Finished difference Result 124 states and 216 transitions. [2025-02-05 20:39:23,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-05 20:39:23,659 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 144 [2025-02-05 20:39:23,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 20:39:23,662 INFO L225 Difference]: With dead ends: 124 [2025-02-05 20:39:23,662 INFO L226 Difference]: Without dead ends: 62 [2025-02-05 20:39:23,664 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 20:39:23,665 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 20:39:23,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 20:39:23,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2025-02-05 20:39:23,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2025-02-05 20:39:23,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-05 20:39:23,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 93 transitions. [2025-02-05 20:39:23,694 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 93 transitions. Word has length 144 [2025-02-05 20:39:23,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 20:39:23,694 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 93 transitions. [2025-02-05 20:39:23,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-02-05 20:39:23,695 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 93 transitions. [2025-02-05 20:39:23,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-02-05 20:39:23,696 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 20:39:23,696 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 20:39:23,705 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-02-05 20:39:23,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/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 [2025-02-05 20:39:23,898 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 20:39:23,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 20:39:23,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1576271291, now seen corresponding path program 1 times [2025-02-05 20:39:23,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 20:39:23,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [793567508] [2025-02-05 20:39:23,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 20:39:23,900 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 [2025-02-05 20:39:23,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 20:39:23,902 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/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) [2025-02-05 20:39:23,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-02-05 20:39:23,949 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-02-05 20:39:24,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-02-05 20:39:24,084 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 20:39:24,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 20:39:24,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-05 20:39:24,106 INFO L279 TraceCheckSpWp]: Computing forward predicates...