./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-25.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 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-25.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 8352a0aa87274c00874f99869d6c87f4f238fc6c9b4e1ea6c336d2510c47379f --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 08:39:08,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 08:39:08,466 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 08:39:08,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 08:39:08,470 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 08:39:08,484 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 08:39:08,485 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 08:39:08,485 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 08:39:08,485 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 08:39:08,485 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 08:39:08,485 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 08:39:08,486 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 08:39:08,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 08:39:08,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 08:39:08,486 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 08:39:08,486 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 08:39:08,486 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 08:39:08,486 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 08:39:08,486 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 08:39:08,486 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 08:39:08,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 08:39:08,487 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 08:39:08,487 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 08:39:08,487 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 08:39:08,487 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 08:39:08,487 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 08:39:08,487 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 08:39:08,487 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 08:39:08,487 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 08:39:08,487 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 08:39:08,487 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 08:39:08,487 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 08:39:08,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:39:08,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 08:39:08,488 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 08:39:08,488 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 08:39:08,488 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 08:39:08,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:39:08,488 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 08:39:08,488 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 08:39:08,488 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 08:39:08,488 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 08:39:08,488 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 08:39:08,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 08:39:08,489 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 08:39:08,489 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 08:39:08,489 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 08:39:08,489 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 08:39:08,489 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 -> 8352a0aa87274c00874f99869d6c87f4f238fc6c9b4e1ea6c336d2510c47379f [2025-01-09 08:39:08,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 08:39:08,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 08:39:08,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 08:39:08,747 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 08:39:08,747 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 08:39:08,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-25.i [2025-01-09 08:39:09,931 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4933dbc25/63fcfb8bdfd445cfbbaa0bb41d1ad525/FLAGa087c1989 [2025-01-09 08:39:10,167 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 08:39:10,169 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-25.i [2025-01-09 08:39:10,178 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4933dbc25/63fcfb8bdfd445cfbbaa0bb41d1ad525/FLAGa087c1989 [2025-01-09 08:39:10,194 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4933dbc25/63fcfb8bdfd445cfbbaa0bb41d1ad525 [2025-01-09 08:39:10,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 08:39:10,198 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 08:39:10,199 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 08:39:10,199 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 08:39:10,202 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 08:39:10,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:39:10" (1/1) ... [2025-01-09 08:39:10,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f713cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:10, skipping insertion in model container [2025-01-09 08:39:10,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:39:10" (1/1) ... [2025-01-09 08:39:10,217 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 08:39:10,330 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-25.i[913,926] [2025-01-09 08:39:10,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 08:39:10,381 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 08:39:10,390 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-25.i[913,926] [2025-01-09 08:39:10,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 08:39:10,442 INFO L204 MainTranslator]: Completed translation [2025-01-09 08:39:10,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:10 WrapperNode [2025-01-09 08:39:10,443 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 08:39:10,444 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 08:39:10,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 08:39:10,444 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 08:39:10,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:10" (1/1) ... [2025-01-09 08:39:10,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:10" (1/1) ... [2025-01-09 08:39:10,482 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2025-01-09 08:39:10,482 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 08:39:10,482 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 08:39:10,483 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 08:39:10,483 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 08:39:10,492 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:10" (1/1) ... [2025-01-09 08:39:10,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:10" (1/1) ... [2025-01-09 08:39:10,494 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:10" (1/1) ... [2025-01-09 08:39:10,507 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]. [2025-01-09 08:39:10,509 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:10" (1/1) ... [2025-01-09 08:39:10,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:10" (1/1) ... [2025-01-09 08:39:10,518 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:10" (1/1) ... [2025-01-09 08:39:10,518 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:10" (1/1) ... [2025-01-09 08:39:10,524 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:10" (1/1) ... [2025-01-09 08:39:10,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:10" (1/1) ... [2025-01-09 08:39:10,526 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:10" (1/1) ... [2025-01-09 08:39:10,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 08:39:10,532 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 08:39:10,532 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 08:39:10,532 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 08:39:10,532 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:10" (1/1) ... [2025-01-09 08:39:10,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:39:10,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 08:39:10,557 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) [2025-01-09 08:39:10,567 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 [2025-01-09 08:39:10,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 08:39:10,581 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 08:39:10,581 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 08:39:10,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 08:39:10,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 08:39:10,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 08:39:10,637 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 08:39:10,638 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 08:39:10,904 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-01-09 08:39:10,904 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 08:39:10,910 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 08:39:10,910 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 08:39:10,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:39:10 BoogieIcfgContainer [2025-01-09 08:39:10,911 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 08:39:10,912 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 08:39:10,912 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 08:39:10,915 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 08:39:10,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 08:39:10" (1/3) ... [2025-01-09 08:39:10,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7d1951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:39:10, skipping insertion in model container [2025-01-09 08:39:10,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:10" (2/3) ... [2025-01-09 08:39:10,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7d1951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:39:10, skipping insertion in model container [2025-01-09 08:39:10,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:39:10" (3/3) ... [2025-01-09 08:39:10,917 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-25.i [2025-01-09 08:39:10,927 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 08:39:10,929 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_normal_file-25.i that has 2 procedures, 68 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 08:39:10,985 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 08:39:10,997 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;@416439c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 08:39:10,998 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 08:39:11,001 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 43 states have internal predecessors, (57), 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) [2025-01-09 08:39:11,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-01-09 08:39:11,011 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:39:11,011 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, 1, 1] [2025-01-09 08:39:11,012 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:39:11,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:39:11,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1467321134, now seen corresponding path program 1 times [2025-01-09 08:39:11,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 08:39:11,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312676280] [2025-01-09 08:39:11,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:39:11,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 08:39:11,094 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-01-09 08:39:11,109 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-01-09 08:39:11,109 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:39:11,109 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:39:11,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2025-01-09 08:39:11,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 08:39:11,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312676280] [2025-01-09 08:39:11,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312676280] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 08:39:11,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862064910] [2025-01-09 08:39:11,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:39:11,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 08:39:11,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 08:39:11,239 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) [2025-01-09 08:39:11,241 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 [2025-01-09 08:39:11,361 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-01-09 08:39:11,425 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-01-09 08:39:11,425 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:39:11,426 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:39:11,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 08:39:11,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 08:39:11,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2025-01-09 08:39:11,470 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 08:39:11,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862064910] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 08:39:11,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 08:39:11,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 08:39:11,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667497555] [2025-01-09 08:39:11,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 08:39:11,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 08:39:11,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 08:39:11,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 08:39:11,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 08:39:11,492 INFO L87 Difference]: Start difference. First operand has 68 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 43 states have internal predecessors, (57), 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), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2025-01-09 08:39:11,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 08:39:11,515 INFO L93 Difference]: Finished difference Result 130 states and 224 transitions. [2025-01-09 08:39:11,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 08:39:11,517 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), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 146 [2025-01-09 08:39:11,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 08:39:11,522 INFO L225 Difference]: With dead ends: 130 [2025-01-09 08:39:11,522 INFO L226 Difference]: Without dead ends: 65 [2025-01-09 08:39:11,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 08:39:11,528 INFO L435 NwaCegarLoop]: 97 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, 97 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 [2025-01-09 08:39:11,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 08:39:11,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2025-01-09 08:39:11,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2025-01-09 08:39:11,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 40 states have (on average 1.275) internal successors, (51), 40 states have internal predecessors, (51), 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) [2025-01-09 08:39:11,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 97 transitions. [2025-01-09 08:39:11,566 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 97 transitions. Word has length 146 [2025-01-09 08:39:11,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 08:39:11,566 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 97 transitions. [2025-01-09 08:39:11,567 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), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2025-01-09 08:39:11,567 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 97 transitions. [2025-01-09 08:39:11,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-01-09 08:39:11,571 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:39:11,571 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, 1, 1] [2025-01-09 08:39:11,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-09 08:39:11,776 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 [2025-01-09 08:39:11,777 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:39:11,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:39:11,777 INFO L85 PathProgramCache]: Analyzing trace with hash 313674796, now seen corresponding path program 1 times [2025-01-09 08:39:11,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 08:39:11,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210763547] [2025-01-09 08:39:11,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:39:11,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 08:39:11,804 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-01-09 08:39:11,939 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-01-09 08:39:11,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:39:11,944 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-09 08:39:11,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [968722625] [2025-01-09 08:39:11,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:39:11,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 08:39:11,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 08:39:11,954 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) [2025-01-09 08:39:11,955 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 [2025-01-09 08:39:12,016 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-01-09 08:39:12,055 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-01-09 08:39:12,055 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:39:12,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 08:39:12,055 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 08:39:12,081 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-01-09 08:39:12,102 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-01-09 08:39:12,103 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:39:12,103 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 08:39:12,154 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 08:39:12,154 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 08:39:12,155 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 08:39:12,164 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-09 08:39:12,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 08:39:12,359 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-01-09 08:39:12,428 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 08:39:12,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 08:39:12 BoogieIcfgContainer [2025-01-09 08:39:12,430 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 08:39:12,431 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 08:39:12,431 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 08:39:12,431 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 08:39:12,431 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:39:10" (3/4) ... [2025-01-09 08:39:12,435 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 08:39:12,436 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 08:39:12,436 INFO L158 Benchmark]: Toolchain (without parser) took 2238.45ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 51.9MB in the end (delta: 60.4MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. [2025-01-09 08:39:12,436 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 08:39:12,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.33ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 98.0MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 08:39:12,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.96ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 95.1MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 08:39:12,437 INFO L158 Benchmark]: Boogie Preprocessor took 48.60ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 90.9MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 08:39:12,437 INFO L158 Benchmark]: RCFGBuilder took 379.33ms. Allocated memory is still 142.6MB. Free memory was 90.9MB in the beginning and 71.4MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 08:39:12,437 INFO L158 Benchmark]: TraceAbstraction took 1517.85ms. Allocated memory is still 142.6MB. Free memory was 70.7MB in the beginning and 52.7MB in the end (delta: 18.0MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2025-01-09 08:39:12,437 INFO L158 Benchmark]: Witness Printer took 5.11ms. Allocated memory is still 142.6MB. Free memory was 52.0MB in the beginning and 51.9MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 08:39:12,442 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.33ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 98.0MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.96ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 95.1MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.60ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 90.9MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 379.33ms. Allocated memory is still 142.6MB. Free memory was 90.9MB in the beginning and 71.4MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1517.85ms. Allocated memory is still 142.6MB. Free memory was 70.7MB in the beginning and 52.7MB in the end (delta: 18.0MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * Witness Printer took 5.11ms. Allocated memory is still 142.6MB. Free memory was 52.0MB in the beginning and 51.9MB in the end (delta: 41.6kB). 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 138, overapproximation of someBinaryFLOATComparisonOperation at line 70, overapproximation of someBinaryFLOATComparisonOperation at line 121, overapproximation of someBinaryFLOATComparisonOperation at line 127, overapproximation of someBinaryFLOATComparisonOperation at line 119, overapproximation of someBinaryDOUBLEComparisonOperation at line 112, overapproximation of someBinaryDOUBLEComparisonOperation at line 114, overapproximation of someBinaryDOUBLEComparisonOperation at line 110, overapproximation of someBinaryDOUBLEComparisonOperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 78, overapproximation of someBinaryDOUBLEComparisonOperation at line 138. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -256; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 5; [L25] unsigned char var_1_4 = 5; [L26] signed short int var_1_5 = -256; [L27] unsigned char var_1_6 = 1; [L28] double var_1_7 = 256.25; [L29] double var_1_8 = 127.8; [L30] double var_1_9 = 100.5; [L31] unsigned char var_1_10 = 0; [L32] unsigned char var_1_11 = 0; [L33] float var_1_12 = 999.75; [L34] float var_1_13 = 64.5; [L35] float var_1_14 = 127.25; [L36] signed char var_1_15 = -32; [L37] float var_1_16 = 32.7; [L38] unsigned char var_1_17 = 16; [L39] unsigned char var_1_18 = 32; [L40] unsigned short int var_1_19 = 5; [L41] unsigned char var_1_20 = 0; [L42] signed long int var_1_21 = 100; [L43] signed short int var_1_22 = 50; [L44] double var_1_23 = 1000000.75; VAL [isInitial=0, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L142] isInitial = 1 [L143] FCALL initially() [L145] FCALL updateLastVariables() [L146] CALL updateVariables() [L97] var_1_2 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_3=5, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_3=5, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L98] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_3=5, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L99] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L99] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=5, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L100] var_1_3 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L101] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L102] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L102] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L103] var_1_4 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L104] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L105] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L105] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L106] var_1_6 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L107] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L108] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L108] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L109] var_1_7 = __VERIFIER_nondet_double() [L110] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1, var_1_8=639/5, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1, var_1_8=639/5, var_1_9=201/2] [L110] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1, var_1_8=639/5, var_1_9=201/2] [L111] var_1_8 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1, var_1_9=201/2] [L112] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1, var_1_9=201/2] [L113] var_1_9 = __VERIFIER_nondet_double() [L114] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L114] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L115] var_1_11 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L116] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L117] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L117] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L118] var_1_13 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L119] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L120] var_1_14 = __VERIFIER_nondet_float() [L121] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L121] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L122] var_1_15 = __VERIFIER_nondet_char() [L123] CALL assume_abort_if_not(var_1_15 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=1, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=1, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L123] RET assume_abort_if_not(var_1_15 >= -128) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=1, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L124] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=1, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=1, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L124] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=1, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L125] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=1, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=1, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L125] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=1, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L126] var_1_16 = __VERIFIER_nondet_float() [L127] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=1, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=1, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L127] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=1, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L128] var_1_18 = __VERIFIER_nondet_uchar() [L129] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=1, var_1_17=16, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=1, var_1_17=16, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L129] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=1, var_1_17=16, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L130] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=1, var_1_17=16, var_1_18=1, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=1, var_1_17=16, var_1_18=1, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L130] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=1, var_1_17=16, var_1_18=1, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L131] var_1_20 = __VERIFIER_nondet_uchar() [L132] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=1, var_1_17=16, var_1_18=1, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=1, var_1_17=16, var_1_18=1, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L132] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=1, var_1_17=16, var_1_18=1, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L133] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=1, var_1_17=16, var_1_18=1, var_1_19=5, var_1_1=-256, var_1_20=1, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=1, var_1_17=16, var_1_18=1, var_1_19=5, var_1_1=-256, var_1_20=1, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L133] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=1, var_1_17=16, var_1_18=1, var_1_19=5, var_1_1=-256, var_1_20=1, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_5=-256, var_1_6=1] [L146] RET updateVariables() [L147] CALL step() [L48] COND TRUE var_1_2 && (var_1_3 >= var_1_4) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=1, var_1_17=16, var_1_18=1, var_1_19=5, var_1_1=-256, var_1_20=1, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=1] [L49] COND TRUE 256 != var_1_3 [L50] var_1_1 = (var_1_4 + var_1_3) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=1, var_1_17=16, var_1_18=1, var_1_19=5, var_1_1=0, var_1_20=1, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-256, var_1_6=1] [L59] COND TRUE var_1_2 && var_1_6 [L60] var_1_5 = ((((var_1_4) < (-100)) ? (var_1_4) : (-100))) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=1, var_1_17=16, var_1_18=1, var_1_19=5, var_1_1=0, var_1_20=1, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-100, var_1_6=1] [L68] var_1_10 = (var_1_6 && var_1_11) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=1, var_1_17=16, var_1_18=1, var_1_19=5, var_1_1=0, var_1_20=1, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-100, var_1_6=1] [L69] COND TRUE ! (var_1_9 <= var_1_7) [L70] var_1_12 = ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14))) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=2, var_1_14=3, var_1_15=1, var_1_17=16, var_1_18=1, var_1_19=5, var_1_1=0, var_1_20=1, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-100, var_1_6=1] [L78] COND FALSE !(var_1_8 != ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=2, var_1_14=3, var_1_15=1, var_1_17=16, var_1_18=1, var_1_19=5, var_1_1=0, var_1_20=1, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-100, var_1_6=1] [L83] COND TRUE var_1_4 < var_1_18 [L84] var_1_19 = var_1_3 VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=2, var_1_14=3, var_1_15=1, var_1_17=16, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-100, var_1_6=1] [L92] var_1_21 = var_1_4 [L93] var_1_22 = var_1_17 [L94] var_1_23 = var_1_14 VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=2, var_1_14=3, var_1_15=1, var_1_17=16, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=3, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-100, var_1_6=1] [L147] RET step() [L148] CALL, EXPR property() [L138-L139] return (((((((((var_1_2 && (var_1_3 >= var_1_4)) ? ((256 != var_1_3) ? (var_1_1 == ((signed long int) (var_1_4 + var_1_3))) : 1) : ((var_1_4 >= var_1_3) ? (var_1_1 == ((signed long int) var_1_3)) : (var_1_1 == ((signed long int) var_1_4)))) && ((var_1_2 && var_1_6) ? (var_1_5 == ((signed short int) ((((var_1_4) < (-100)) ? (var_1_4) : (-100))))) : (((var_1_7 - var_1_8) > var_1_9) ? (var_1_5 == ((signed short int) var_1_3)) : (var_1_5 == ((signed short int) var_1_4))))) && (var_1_10 == ((unsigned char) (var_1_6 && var_1_11)))) && ((! (var_1_9 <= var_1_7)) ? (var_1_12 == ((float) ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14))))) : (((((((var_1_1) > (var_1_5)) ? (var_1_1) : (var_1_5))) / var_1_15) < var_1_4) ? (var_1_12 == ((float) var_1_13)) : (var_1_12 == ((float) (var_1_16 + 49.6f)))))) && ((var_1_8 != ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))) ? (var_1_2 ? (var_1_17 == ((unsigned char) var_1_18)) : 1) : 1)) && ((var_1_4 < var_1_18) ? (var_1_19 == ((unsigned short int) var_1_3)) : (((var_1_20 || var_1_10) || var_1_6) ? (var_1_19 == ((unsigned short int) var_1_3)) : (var_1_19 == ((unsigned short int) var_1_4))))) && (var_1_21 == ((signed long int) var_1_4))) && (var_1_22 == ((signed short int) var_1_17))) && (var_1_23 == ((double) var_1_14)) ; VAL [\result=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=2, var_1_14=3, var_1_15=1, var_1_17=16, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=3, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-100, var_1_6=1] [L148] RET, EXPR property() [L148] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=2, var_1_14=3, var_1_15=1, var_1_17=16, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=3, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-100, var_1_6=1] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=2, var_1_14=3, var_1_15=1, var_1_17=16, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=3, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=-100, var_1_6=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 97 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 97 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 584 NumberOfCodeBlocks, 584 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 290 ConstructedInterpolants, 0 QuantifiedInterpolants, 290 SizeOfPredicates, 0 NumberOfNonLiveVariables, 332 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1980/2024 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 [2025-01-09 08:39:12,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/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-25.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 8352a0aa87274c00874f99869d6c87f4f238fc6c9b4e1ea6c336d2510c47379f --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 08:39:14,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 08:39:14,643 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 08:39:14,652 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 08:39:14,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 08:39:14,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 08:39:14,680 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 08:39:14,680 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 08:39:14,680 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 08:39:14,681 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 08:39:14,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 08:39:14,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 08:39:14,681 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 08:39:14,681 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 08:39:14,681 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 08:39:14,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 08:39:14,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 08:39:14,681 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 08:39:14,682 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 08:39:14,682 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 08:39:14,682 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 08:39:14,682 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 08:39:14,682 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 08:39:14,682 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 08:39:14,682 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 08:39:14,683 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 08:39:14,683 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 08:39:14,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 08:39:14,684 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 08:39:14,684 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 08:39:14,684 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 08:39:14,684 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 08:39:14,684 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 08:39:14,684 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 08:39:14,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:39:14,684 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 08:39:14,684 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 08:39:14,684 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 08:39:14,684 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 08:39:14,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:39:14,684 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 08:39:14,684 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 08:39:14,684 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 08:39:14,684 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 08:39:14,684 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 08:39:14,684 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 08:39:14,685 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 08:39:14,685 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 08:39:14,685 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 08:39:14,685 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 08:39:14,685 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 -> 8352a0aa87274c00874f99869d6c87f4f238fc6c9b4e1ea6c336d2510c47379f [2025-01-09 08:39:14,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 08:39:14,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 08:39:14,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 08:39:14,944 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 08:39:14,944 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 08:39:14,945 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-25.i [2025-01-09 08:39:16,259 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/83b0f56e0/9049edcb7d0e4982b0e752b7ef8b42cb/FLAG3e97fad26 [2025-01-09 08:39:16,460 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 08:39:16,460 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-25.i [2025-01-09 08:39:16,467 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/83b0f56e0/9049edcb7d0e4982b0e752b7ef8b42cb/FLAG3e97fad26 [2025-01-09 08:39:16,825 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/83b0f56e0/9049edcb7d0e4982b0e752b7ef8b42cb [2025-01-09 08:39:16,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 08:39:16,828 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 08:39:16,829 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 08:39:16,829 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 08:39:16,833 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 08:39:16,833 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:39:16" (1/1) ... [2025-01-09 08:39:16,834 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21251ca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:16, skipping insertion in model container [2025-01-09 08:39:16,834 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:39:16" (1/1) ... [2025-01-09 08:39:16,850 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 08:39:16,977 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-25.i[913,926] [2025-01-09 08:39:17,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 08:39:17,054 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 08:39:17,064 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-25.i[913,926] [2025-01-09 08:39:17,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 08:39:17,115 INFO L204 MainTranslator]: Completed translation [2025-01-09 08:39:17,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:17 WrapperNode [2025-01-09 08:39:17,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 08:39:17,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 08:39:17,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 08:39:17,119 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 08:39:17,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:17" (1/1) ... [2025-01-09 08:39:17,132 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:17" (1/1) ... [2025-01-09 08:39:17,148 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 147 [2025-01-09 08:39:17,149 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 08:39:17,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 08:39:17,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 08:39:17,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 08:39:17,155 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:17" (1/1) ... [2025-01-09 08:39:17,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:17" (1/1) ... [2025-01-09 08:39:17,158 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:17" (1/1) ... [2025-01-09 08:39:17,167 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]. [2025-01-09 08:39:17,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:17" (1/1) ... [2025-01-09 08:39:17,168 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:17" (1/1) ... [2025-01-09 08:39:17,174 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:17" (1/1) ... [2025-01-09 08:39:17,175 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:17" (1/1) ... [2025-01-09 08:39:17,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:17" (1/1) ... [2025-01-09 08:39:17,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:17" (1/1) ... [2025-01-09 08:39:17,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:17" (1/1) ... [2025-01-09 08:39:17,181 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 08:39:17,182 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 08:39:17,182 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 08:39:17,182 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 08:39:17,183 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:17" (1/1) ... [2025-01-09 08:39:17,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:39:17,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 08:39:17,210 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) [2025-01-09 08:39:17,216 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 [2025-01-09 08:39:17,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 08:39:17,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 08:39:17,231 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 08:39:17,231 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 08:39:17,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 08:39:17,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 08:39:17,296 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 08:39:17,297 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 08:39:19,720 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-01-09 08:39:19,721 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 08:39:19,728 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 08:39:19,729 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 08:39:19,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:39:19 BoogieIcfgContainer [2025-01-09 08:39:19,729 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 08:39:19,731 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 08:39:19,731 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 08:39:19,735 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 08:39:19,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 08:39:16" (1/3) ... [2025-01-09 08:39:19,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25be68eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:39:19, skipping insertion in model container [2025-01-09 08:39:19,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:39:17" (2/3) ... [2025-01-09 08:39:19,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25be68eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:39:19, skipping insertion in model container [2025-01-09 08:39:19,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:39:19" (3/3) ... [2025-01-09 08:39:19,738 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-25.i [2025-01-09 08:39:19,749 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 08:39:19,751 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_normal_file-25.i that has 2 procedures, 68 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 08:39:19,791 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 08:39:19,799 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;@7cad3651, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 08:39:19,800 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 08:39:19,803 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 43 states have internal predecessors, (57), 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) [2025-01-09 08:39:19,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-01-09 08:39:19,811 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:39:19,812 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, 1, 1] [2025-01-09 08:39:19,813 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:39:19,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:39:19,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1467321134, now seen corresponding path program 1 times [2025-01-09 08:39:19,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 08:39:19,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2104703780] [2025-01-09 08:39:19,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:39:19,826 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 [2025-01-09 08:39:19,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 08:39:19,828 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) [2025-01-09 08:39:19,831 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 [2025-01-09 08:39:19,906 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-01-09 08:39:20,204 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-01-09 08:39:20,205 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:39:20,205 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:39:20,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 08:39:20,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 08:39:20,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2025-01-09 08:39:20,270 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 08:39:20,271 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 08:39:20,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2104703780] [2025-01-09 08:39:20,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2104703780] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 08:39:20,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 08:39:20,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 08:39:20,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599788086] [2025-01-09 08:39:20,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 08:39:20,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 08:39:20,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 08:39:20,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 08:39:20,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 08:39:20,293 INFO L87 Difference]: Start difference. First operand has 68 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 43 states have internal predecessors, (57), 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 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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) [2025-01-09 08:39:20,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 08:39:20,317 INFO L93 Difference]: Finished difference Result 130 states and 224 transitions. [2025-01-09 08:39:20,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 08:39:20,319 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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 146 [2025-01-09 08:39:20,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 08:39:20,323 INFO L225 Difference]: With dead ends: 130 [2025-01-09 08:39:20,324 INFO L226 Difference]: Without dead ends: 65 [2025-01-09 08:39:20,328 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 [2025-01-09 08:39:20,332 INFO L435 NwaCegarLoop]: 97 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, 97 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 [2025-01-09 08:39:20,333 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 08:39:20,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2025-01-09 08:39:20,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2025-01-09 08:39:20,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 40 states have (on average 1.275) internal successors, (51), 40 states have internal predecessors, (51), 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) [2025-01-09 08:39:20,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 97 transitions. [2025-01-09 08:39:20,374 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 97 transitions. Word has length 146 [2025-01-09 08:39:20,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 08:39:20,374 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 97 transitions. [2025-01-09 08:39:20,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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) [2025-01-09 08:39:20,375 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 97 transitions. [2025-01-09 08:39:20,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-01-09 08:39:20,377 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:39:20,377 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, 1, 1] [2025-01-09 08:39:20,386 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 [2025-01-09 08:39:20,578 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 [2025-01-09 08:39:20,578 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:39:20,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:39:20,579 INFO L85 PathProgramCache]: Analyzing trace with hash 313674796, now seen corresponding path program 1 times [2025-01-09 08:39:20,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 08:39:20,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [618480999] [2025-01-09 08:39:20,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:39:20,580 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 [2025-01-09 08:39:20,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 08:39:20,582 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) [2025-01-09 08:39:20,584 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 [2025-01-09 08:39:20,627 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-01-09 08:39:20,867 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-01-09 08:39:20,867 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:39:20,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:39:20,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-01-09 08:39:20,893 INFO L279 TraceCheckSpWp]: Computing forward predicates...