./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem17_label16.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d 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/eca-rers2012/Problem17_label16.c -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 12946011ae947529b791d0ea774eddb13cd60d584cd7e2008a422f41653953d6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:03:28,440 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:03:28,519 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 18:03:28,532 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:03:28,533 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:03:28,547 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:03:28,548 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:03:28,548 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:03:28,549 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:03:28,549 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:03:28,549 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:03:28,549 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:03:28,549 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:03:28,549 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:03:28,549 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:03:28,549 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:03:28,549 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:03:28,550 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:03:28,550 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 18:03:28,550 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:03:28,550 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:03:28,550 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:03:28,550 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:03:28,550 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:03:28,550 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:03:28,550 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:03:28,550 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:03:28,550 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:03:28,551 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:03:28,551 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:03:28,551 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:03:28,551 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:03:28,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:03:28,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:03:28,551 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:03:28,551 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:03:28,551 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:03:28,551 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 18:03:28,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 18:03:28,552 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:03:28,552 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:03:28,552 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:03:28,552 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:03:28,552 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 -> 12946011ae947529b791d0ea774eddb13cd60d584cd7e2008a422f41653953d6 [2025-02-07 18:03:28,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:03:28,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:03:28,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:03:28,814 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:03:28,814 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:03:28,815 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label16.c [2025-02-07 18:03:30,054 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4485d4a06/a80bdaff91d2421693fd6d737bc9616f/FLAGe9801e47b [2025-02-07 18:03:30,613 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:03:30,614 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label16.c [2025-02-07 18:03:30,660 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4485d4a06/a80bdaff91d2421693fd6d737bc9616f/FLAGe9801e47b [2025-02-07 18:03:31,142 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4485d4a06/a80bdaff91d2421693fd6d737bc9616f [2025-02-07 18:03:31,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:03:31,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:03:31,146 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:03:31,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:03:31,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:03:31,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:03:31" (1/1) ... [2025-02-07 18:03:31,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1683d5b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:03:31, skipping insertion in model container [2025-02-07 18:03:31,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:03:31" (1/1) ... [2025-02-07 18:03:31,197 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:03:31,357 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/eca-rers2012/Problem17_label16.c[3929,3942] [2025-02-07 18:03:31,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:03:31,742 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:03:31,754 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/eca-rers2012/Problem17_label16.c[3929,3942] [2025-02-07 18:03:31,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:03:31,982 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:03:31,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:03:31 WrapperNode [2025-02-07 18:03:31,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:03:31,984 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:03:31,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:03:31,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:03:31,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:03:31" (1/1) ... [2025-02-07 18:03:32,028 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:03:31" (1/1) ... [2025-02-07 18:03:32,271 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 2610 [2025-02-07 18:03:32,272 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:03:32,273 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:03:32,273 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:03:32,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:03:32,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:03:31" (1/1) ... [2025-02-07 18:03:32,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:03:31" (1/1) ... [2025-02-07 18:03:32,321 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:03:31" (1/1) ... [2025-02-07 18:03:32,518 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-07 18:03:32,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:03:31" (1/1) ... [2025-02-07 18:03:32,518 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:03:31" (1/1) ... [2025-02-07 18:03:32,590 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:03:31" (1/1) ... [2025-02-07 18:03:32,605 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:03:31" (1/1) ... [2025-02-07 18:03:32,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:03:31" (1/1) ... [2025-02-07 18:03:32,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:03:31" (1/1) ... [2025-02-07 18:03:32,661 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:03:32,662 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:03:32,662 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:03:32,663 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:03:32,663 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:03:31" (1/1) ... [2025-02-07 18:03:32,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:03:32,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:03:32,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-07 18:03:32,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-07 18:03:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:03:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 18:03:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:03:32,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:03:32,752 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:03:32,753 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:03:35,237 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1653: havoc calculate_output_#t~ret7#1;main_#t~ret9#1 := calculate_output_#res#1;havoc calculate_output_#t~ret7#1, calculate_output_~input#1;havoc calculate_output_#in~input#1;assume { :end_inline_calculate_output } true;assume -2147483648 <= main_#t~ret9#1 && main_#t~ret9#1 <= 2147483647;main_~output~0#1 := main_#t~ret9#1;havoc main_~input~0#1;havoc main_#t~ret9#1; [2025-02-07 18:03:35,238 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1653-2: calculate_output_#t~ret7#1 := calculate_output2_#res#1;havoc calculate_output2_~input#1;havoc calculate_output2_#in~input#1;assume { :end_inline_calculate_output2 } true;assume -2147483648 <= calculate_output_#t~ret7#1 && calculate_output_#t~ret7#1 <= 2147483647;calculate_output_#res#1 := calculate_output_#t~ret7#1;havoc calculate_output_#t~ret7#1; [2025-02-07 18:03:35,393 INFO L? ?]: Removed 729 outVars from TransFormulas that were not future-live. [2025-02-07 18:03:35,393 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:03:35,418 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:03:35,420 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:03:35,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:03:35 BoogieIcfgContainer [2025-02-07 18:03:35,421 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:03:35,423 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:03:35,423 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:03:35,427 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:03:35,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:03:31" (1/3) ... [2025-02-07 18:03:35,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73601d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:03:35, skipping insertion in model container [2025-02-07 18:03:35,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:03:31" (2/3) ... [2025-02-07 18:03:35,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73601d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:03:35, skipping insertion in model container [2025-02-07 18:03:35,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:03:35" (3/3) ... [2025-02-07 18:03:35,429 INFO L128 eAbstractionObserver]: Analyzing ICFG Problem17_label16.c [2025-02-07 18:03:35,439 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:03:35,441 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem17_label16.c that has 1 procedures, 529 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-07 18:03:35,499 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:03:35,509 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;@11104cfb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:03:35,510 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 18:03:35,516 INFO L276 IsEmpty]: Start isEmpty. Operand has 529 states, 524 states have (on average 1.9026717557251909) internal successors, (997), 528 states have internal predecessors, (997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 18:03:35,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-02-07 18:03:35,520 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:03:35,521 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 18:03:35,521 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 18:03:35,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:03:35,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1590939367, now seen corresponding path program 1 times [2025-02-07 18:03:35,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 18:03:35,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583314710] [2025-02-07 18:03:35,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:03:35,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 18:03:35,585 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-07 18:03:35,594 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-07 18:03:35,595 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:03:35,595 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 18:03:35,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 18:03:35,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 18:03:35,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583314710] [2025-02-07 18:03:35,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583314710] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 18:03:35,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 18:03:35,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-07 18:03:35,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467801181] [2025-02-07 18:03:35,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 18:03:35,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-07 18:03:35,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 18:03:35,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-07 18:03:35,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-07 18:03:35,648 INFO L87 Difference]: Start difference. First operand has 529 states, 524 states have (on average 1.9026717557251909) internal successors, (997), 528 states have internal predecessors, (997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 18:03:35,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 18:03:35,688 INFO L93 Difference]: Finished difference Result 1051 states and 1986 transitions. [2025-02-07 18:03:35,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-07 18:03:35,690 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2025-02-07 18:03:35,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 18:03:35,694 INFO L225 Difference]: With dead ends: 1051 [2025-02-07 18:03:35,695 INFO L226 Difference]: Without dead ends: 25 [2025-02-07 18:03:35,699 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-07 18:03:35,701 INFO L435 NwaCegarLoop]: 934 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, 934 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-07 18:03:35,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 934 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-07 18:03:35,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2025-02-07 18:03:35,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2025-02-07 18:03:35,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.0) internal successors, (24), 24 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 18:03:35,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2025-02-07 18:03:35,724 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 24 [2025-02-07 18:03:35,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 18:03:35,724 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2025-02-07 18:03:35,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 18:03:35,724 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2025-02-07 18:03:35,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-02-07 18:03:35,725 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:03:35,725 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 18:03:35,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 18:03:35,725 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 18:03:35,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:03:35,726 INFO L85 PathProgramCache]: Analyzing trace with hash 91348360, now seen corresponding path program 1 times [2025-02-07 18:03:35,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 18:03:35,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131751261] [2025-02-07 18:03:35,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:03:35,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 18:03:35,739 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-07 18:03:35,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-07 18:03:35,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:03:35,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 18:03:35,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 18:03:35,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 18:03:35,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131751261] [2025-02-07 18:03:35,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131751261] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 18:03:35,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 18:03:35,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-07 18:03:35,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580241160] [2025-02-07 18:03:35,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 18:03:35,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-07 18:03:35,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 18:03:35,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-07 18:03:35,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-07 18:03:35,848 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 18:03:35,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 18:03:35,872 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2025-02-07 18:03:35,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-07 18:03:35,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2025-02-07 18:03:35,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 18:03:35,872 INFO L225 Difference]: With dead ends: 25 [2025-02-07 18:03:35,872 INFO L226 Difference]: Without dead ends: 0 [2025-02-07 18:03:35,872 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-07 18:03:35,873 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-07 18:03:35,873 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-07 18:03:35,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-07 18:03:35,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-07 18:03:35,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 18:03:35,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-07 18:03:35,874 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2025-02-07 18:03:35,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 18:03:35,874 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-07 18:03:35,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 18:03:35,874 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-07 18:03:35,874 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 18:03:35,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 18:03:35,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-07 18:03:35,879 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-07 18:03:35,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-07 18:03:35,888 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:03:35,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:03:35 BoogieIcfgContainer [2025-02-07 18:03:35,900 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:03:35,901 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:03:35,901 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:03:35,901 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:03:35,902 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:03:35" (3/4) ... [2025-02-07 18:03:35,903 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 18:03:35,923 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-02-07 18:03:35,925 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-07 18:03:35,927 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-07 18:03:35,930 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 18:03:36,145 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 18:03:36,146 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 18:03:36,146 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:03:36,146 INFO L158 Benchmark]: Toolchain (without parser) took 5001.62ms. Allocated memory was 167.8MB in the beginning and 503.3MB in the end (delta: 335.5MB). Free memory was 125.0MB in the beginning and 380.5MB in the end (delta: -255.5MB). Peak memory consumption was 357.5MB. Max. memory is 16.1GB. [2025-02-07 18:03:36,147 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 226.5MB. Free memory is still 147.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:03:36,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 837.89ms. Allocated memory is still 167.8MB. Free memory was 125.0MB in the beginning and 89.6MB in the end (delta: 35.4MB). Peak memory consumption was 100.7MB. Max. memory is 16.1GB. [2025-02-07 18:03:36,147 INFO L158 Benchmark]: Boogie Procedure Inliner took 287.86ms. Allocated memory is still 167.8MB. Free memory was 89.6MB in the beginning and 86.5MB in the end (delta: 3.1MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2025-02-07 18:03:36,147 INFO L158 Benchmark]: Boogie Preprocessor took 388.28ms. Allocated memory was 167.8MB in the beginning and 503.3MB in the end (delta: 335.5MB). Free memory was 86.5MB in the beginning and 405.8MB in the end (delta: -319.3MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. [2025-02-07 18:03:36,148 INFO L158 Benchmark]: IcfgBuilder took 2759.05ms. Allocated memory is still 503.3MB. Free memory was 405.8MB in the beginning and 171.2MB in the end (delta: 234.6MB). Peak memory consumption was 249.1MB. Max. memory is 16.1GB. [2025-02-07 18:03:36,148 INFO L158 Benchmark]: TraceAbstraction took 477.61ms. Allocated memory is still 503.3MB. Free memory was 168.4MB in the beginning and 129.1MB in the end (delta: 39.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-07 18:03:36,148 INFO L158 Benchmark]: Witness Printer took 244.80ms. Allocated memory is still 503.3MB. Free memory was 129.1MB in the beginning and 380.5MB in the end (delta: -251.4MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2025-02-07 18:03:36,149 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 226.5MB. Free memory is still 147.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 837.89ms. Allocated memory is still 167.8MB. Free memory was 125.0MB in the beginning and 89.6MB in the end (delta: 35.4MB). Peak memory consumption was 100.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 287.86ms. Allocated memory is still 167.8MB. Free memory was 89.6MB in the beginning and 86.5MB in the end (delta: 3.1MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 388.28ms. Allocated memory was 167.8MB in the beginning and 503.3MB in the end (delta: 335.5MB). Free memory was 86.5MB in the beginning and 405.8MB in the end (delta: -319.3MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. * IcfgBuilder took 2759.05ms. Allocated memory is still 503.3MB. Free memory was 405.8MB in the beginning and 171.2MB in the end (delta: 234.6MB). Peak memory consumption was 249.1MB. Max. memory is 16.1GB. * TraceAbstraction took 477.61ms. Allocated memory is still 503.3MB. Free memory was 168.4MB in the beginning and 129.1MB in the end (delta: 39.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 244.80ms. Allocated memory is still 503.3MB. Free memory was 129.1MB in the beginning and 380.5MB in the end (delta: -251.4MB). Peak memory consumption was 24.2MB. 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 - PositiveResult [Line: 93]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 529 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, 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, 937 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 937 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=529occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 2590]: Location Invariant Derived location invariant: (0 <= ((long long) a14 + 79)) RESULT: Ultimate proved your program to be correct! [2025-02-07 18:03:36,164 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 Writing output log to file Ultimate.log Result: TRUE