./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread/queue_ok.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread/queue_ok.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7cc273f13a619f37768d5108c297b75ab7c37145fe391daced9c134730721251 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 08:10:26,835 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 08:10:26,888 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-02-08 08:10:26,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 08:10:26,892 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 08:10:26,916 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 08:10:26,916 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 08:10:26,917 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 08:10:26,917 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 08:10:26,917 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 08:10:26,918 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 08:10:26,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 08:10:26,918 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 08:10:26,918 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 08:10:26,918 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 08:10:26,919 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 08:10:26,919 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 08:10:26,919 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 08:10:26,919 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 08:10:26,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 08:10:26,920 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 08:10:26,920 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 08:10:26,920 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-02-08 08:10:26,920 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 08:10:26,920 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 08:10:26,920 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 08:10:26,920 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 08:10:26,920 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 08:10:26,920 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 08:10:26,920 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 08:10:26,920 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 08:10:26,920 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 08:10:26,921 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 08:10:26,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:10:26,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 08:10:26,921 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 08:10:26,921 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 08:10:26,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 08:10:26,921 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 08:10:26,922 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 08:10:26,922 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 08:10:26,922 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 08:10:26,922 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 7cc273f13a619f37768d5108c297b75ab7c37145fe391daced9c134730721251 [2025-02-08 08:10:27,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 08:10:27,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 08:10:27,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 08:10:27,159 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 08:10:27,160 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 08:10:27,160 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/queue_ok.i [2025-02-08 08:10:28,382 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2d77fbf5b/e94ed6979fb54ecda9c1d320fb2001b2/FLAGd4facaefe [2025-02-08 08:10:28,718 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 08:10:28,719 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/queue_ok.i [2025-02-08 08:10:28,733 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2d77fbf5b/e94ed6979fb54ecda9c1d320fb2001b2/FLAGd4facaefe [2025-02-08 08:10:28,747 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2d77fbf5b/e94ed6979fb54ecda9c1d320fb2001b2 [2025-02-08 08:10:28,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 08:10:28,751 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 08:10:28,752 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 08:10:28,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 08:10:28,756 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 08:10:28,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:10:28" (1/1) ... [2025-02-08 08:10:28,757 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2adabe3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:28, skipping insertion in model container [2025-02-08 08:10:28,758 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:10:28" (1/1) ... [2025-02-08 08:10:28,783 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 08:10:29,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:10:29,083 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 08:10:29,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:10:29,174 INFO L204 MainTranslator]: Completed translation [2025-02-08 08:10:29,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:29 WrapperNode [2025-02-08 08:10:29,175 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 08:10:29,176 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 08:10:29,176 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 08:10:29,176 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 08:10:29,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:29" (1/1) ... [2025-02-08 08:10:29,193 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:29" (1/1) ... [2025-02-08 08:10:29,210 INFO L138 Inliner]: procedures = 274, calls = 94, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 235 [2025-02-08 08:10:29,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 08:10:29,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 08:10:29,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 08:10:29,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 08:10:29,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:29" (1/1) ... [2025-02-08 08:10:29,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:29" (1/1) ... [2025-02-08 08:10:29,221 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:29" (1/1) ... [2025-02-08 08:10:29,238 INFO L175 MemorySlicer]: Split 75 memory accesses to 4 slices as follows [2, 46, 5, 22]. 61 percent of accesses are in the largest equivalence class. The 50 initializations are split as follows [2, 23, 5, 20]. The 11 writes are split as follows [0, 10, 0, 1]. [2025-02-08 08:10:29,239 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:29" (1/1) ... [2025-02-08 08:10:29,239 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:29" (1/1) ... [2025-02-08 08:10:29,249 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:29" (1/1) ... [2025-02-08 08:10:29,254 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:29" (1/1) ... [2025-02-08 08:10:29,255 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:29" (1/1) ... [2025-02-08 08:10:29,256 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:29" (1/1) ... [2025-02-08 08:10:29,258 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 08:10:29,262 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 08:10:29,262 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 08:10:29,262 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 08:10:29,263 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:29" (1/1) ... [2025-02-08 08:10:29,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:10:29,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:10:29,285 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) [2025-02-08 08:10:29,287 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 [2025-02-08 08:10:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2025-02-08 08:10:29,301 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2025-02-08 08:10:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2025-02-08 08:10:29,301 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2025-02-08 08:10:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 08:10:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 08:10:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 08:10:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 08:10:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 08:10:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 08:10:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 08:10:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 08:10:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 08:10:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 08:10:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 08:10:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 08:10:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 08:10:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 08:10:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 08:10:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 08:10:29,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 08:10:29,303 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 08:10:29,393 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 08:10:29,394 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 08:10:29,577 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1051: #pthreadsMutex := #pthreadsMutex[~#m~0.base,~#m~0.offset := 0]; [2025-02-08 08:10:29,578 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-08 08:10:29,578 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1052: havoc main_#t~nondet62#1; [2025-02-08 08:10:29,578 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1052-1: havoc main_#t~pre61#1; [2025-02-08 08:10:29,578 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1052-2: fork main_#t~pre61#1, 0 t1(~#queue~0.base, ~#queue~0.offset); [2025-02-08 08:10:29,578 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1052-3: main_~id1~0#1 := main_#t~pre61#1; [2025-02-08 08:10:29,578 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1052-4: #pthreadsForks := 1 + #pthreadsForks; [2025-02-08 08:10:29,578 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1052-5: main_#t~pre61#1 := #pthreadsForks; [2025-02-08 08:10:29,578 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1053: havoc main_#t~nondet64#1; [2025-02-08 08:10:29,578 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1053-1: havoc main_#t~pre63#1; [2025-02-08 08:10:29,578 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1053-2: fork main_#t~pre63#1, 0, 0 t2(~#queue~0.base, ~#queue~0.offset); [2025-02-08 08:10:29,578 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1053-3: main_~id2~0#1 := main_#t~pre63#1; [2025-02-08 08:10:29,578 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1053-4: #pthreadsForks := 1 + #pthreadsForks; [2025-02-08 08:10:29,578 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1053-5: main_#t~pre63#1 := #pthreadsForks; [2025-02-08 08:10:29,578 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21: assume false; [2025-02-08 08:10:29,579 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21: assume !false; [2025-02-08 08:10:29,579 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21-1: assume false; [2025-02-08 08:10:29,579 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21-1: assume !false; [2025-02-08 08:10:29,579 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1054: join main_~id1~0#1, 0; [2025-02-08 08:10:29,579 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1055: join main_~id2~0#1, 0, 0; [2025-02-08 08:10:29,579 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1056: main_#res#1 := 0; [2025-02-08 08:10:29,579 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1: havoc main_#t~ret60#1, main_#t~pre61#1, main_#t~nondet62#1, main_#t~pre63#1, main_#t~nondet64#1, main_~id1~0#1, main_~id2~0#1;assume { :end_inline_main } true; [2025-02-08 08:10:29,579 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-1: #t~ret65#1 := main_#res#1; [2025-02-08 08:10:29,579 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1048: assume -1 == (if 0 == main_#t~ret60#1 then 1 else 0); [2025-02-08 08:10:29,579 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1048: assume !(-1 == (if 0 == main_#t~ret60#1 then 1 else 0)); [2025-02-08 08:10:29,579 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1048-1: havoc main_#t~ret60#1; [2025-02-08 08:10:29,579 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1048-2: havoc main_#t~ret60#1; [2025-02-08 08:10:29,579 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1048-3: assume { :end_inline_empty } true;assume -2147483648 <= main_#t~ret60#1 && main_#t~ret60#1 <= 2147483647; [2025-02-08 08:10:29,579 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1048-4: havoc empty_#in~q#1.base, empty_#in~q#1.offset; [2025-02-08 08:10:29,579 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1048-5: havoc empty_#t~mem31#1, empty_#t~mem32#1, empty_#t~ret33#1, empty_~q#1.base, empty_~q#1.offset; [2025-02-08 08:10:29,579 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1048-6: main_#t~ret60#1 := empty_#res#1; [2025-02-08 08:10:29,579 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1049: assume { :end_inline_reach_error } true;assume false; [2025-02-08 08:10:29,579 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1049-1: havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 08:10:29,579 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1049-2: assume { :begin_inline_reach_error } true;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 08:10:29,579 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042: assume #valid == main_old_#valid#1; [2025-02-08 08:10:29,579 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042: assume !(#valid == main_old_#valid#1); [2025-02-08 08:10:29,580 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-1: assume #valid == main_old_#valid#1; [2025-02-08 08:10:29,648 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014: havoc #t~ret51#1; [2025-02-08 08:10:29,648 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-1: assume { :end_inline_enqueue } true;assume -2147483648 <= #t~ret51#1 && #t~ret51#1 <= 2147483647; [2025-02-08 08:10:29,648 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-2: havoc enqueue_#in~q#1.base, enqueue_#in~q#1.offset, enqueue_#in~x#1; [2025-02-08 08:10:29,648 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-3: havoc enqueue_#t~mem36#1, enqueue_#t~mem37#1, enqueue_#t~post38#1, enqueue_#t~mem39#1, enqueue_#t~mem40#1, enqueue_#t~post41#1, enqueue_~q#1.base, enqueue_~q#1.offset, enqueue_~x#1; [2025-02-08 08:10:29,648 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-4: #t~ret51#1 := enqueue_#res#1; [2025-02-08 08:10:29,648 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1015: #t~post52#1 := ~i~0#1; [2025-02-08 08:10:29,649 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1015-1: SUMMARY for call write~int#3(~value~0#1, ~#stored_elements~0.base, ~#stored_elements~0.offset + 4 * ~i~0#1, 4); srcloc: null [2025-02-08 08:10:29,649 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1015-1: assume !(1 == #valid[~#stored_elements~0.base]); [2025-02-08 08:10:29,649 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1015-1: assume !(4 + (~#stored_elements~0.offset + 4 * ~i~0#1) <= #length[~#stored_elements~0.base] && 0 <= ~#stored_elements~0.offset + 4 * ~i~0#1); [2025-02-08 08:10:29,649 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1011-1: havoc #t~post52#1; [2025-02-08 08:10:29,649 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1011-2: ~i~0#1 := 1 + #t~post52#1; [2025-02-08 08:10:29,744 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002: SUMMARY for call write~int#1(1 + dequeue_#t~post48#1, dequeue_~q#1.base, 80 + dequeue_~q#1.offset, 4); srcloc: null [2025-02-08 08:10:29,744 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002: assume !(1 == #valid[dequeue_~q#1.base]); [2025-02-08 08:10:29,744 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002: assume !(4 + (80 + dequeue_~q#1.offset) <= #length[dequeue_~q#1.base] && 0 <= 80 + dequeue_~q#1.offset); [2025-02-08 08:10:29,745 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002-1: dequeue_#t~post48#1 := dequeue_#t~mem47#1; [2025-02-08 08:10:29,745 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002-2: SUMMARY for call dequeue_#t~mem47#1 := read~int#1(dequeue_~q#1.base, 80 + dequeue_~q#1.offset, 4); srcloc: null [2025-02-08 08:10:29,745 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002-2: assume !(1 == #valid[dequeue_~q#1.base]); [2025-02-08 08:10:29,745 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002-2: assume !(4 + (80 + dequeue_~q#1.offset) <= #length[dequeue_~q#1.base] && 0 <= 80 + dequeue_~q#1.offset); [2025-02-08 08:10:29,745 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L994: havoc dequeue_~x~0#1; [2025-02-08 08:10:29,745 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1003-1: dequeue_#res#1 := dequeue_~x~0#1; [2025-02-08 08:10:29,745 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L995: havoc dequeue_#t~mem43#1; [2025-02-08 08:10:29,745 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L995-1: havoc dequeue_#t~mem42#1; [2025-02-08 08:10:29,745 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L995-2: dequeue_~x~0#1 := dequeue_#t~mem43#1; [2025-02-08 08:10:29,745 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L995-3: SUMMARY for call dequeue_#t~mem43#1 := read~int#1(dequeue_~q#1.base, dequeue_~q#1.offset + 4 * dequeue_#t~mem42#1, 4); srcloc: null [2025-02-08 08:10:29,745 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L995-3: assume !(1 == #valid[dequeue_~q#1.base]); [2025-02-08 08:10:29,745 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L995-3: assume !(4 + (dequeue_~q#1.offset + 4 * dequeue_#t~mem42#1) <= #length[dequeue_~q#1.base] && 0 <= dequeue_~q#1.offset + 4 * dequeue_#t~mem42#1); [2025-02-08 08:10:29,745 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L995-4: SUMMARY for call dequeue_#t~mem42#1 := read~int#1(dequeue_~q#1.base, 80 + dequeue_~q#1.offset, 4); srcloc: null [2025-02-08 08:10:29,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L995-4: assume !(1 == #valid[dequeue_~q#1.base]); [2025-02-08 08:10:29,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L995-4: assume !(4 + (80 + dequeue_~q#1.offset) <= #length[dequeue_~q#1.base] && 0 <= 80 + dequeue_~q#1.offset); [2025-02-08 08:10:29,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21: assume false; [2025-02-08 08:10:29,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21: assume !false; [2025-02-08 08:10:29,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21-1: assume false; [2025-02-08 08:10:29,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21-1: assume !false; [2025-02-08 08:10:29,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029-1: havoc #t~post58#1; [2025-02-08 08:10:29,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996: havoc dequeue_#t~post45#1; [2025-02-08 08:10:29,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029-2: ~i~1#1 := 1 + #t~post58#1; [2025-02-08 08:10:29,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-1: havoc dequeue_#t~mem44#1; [2025-02-08 08:10:29,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029-3: #t~post58#1 := ~i~1#1; [2025-02-08 08:10:29,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-2: SUMMARY for call write~int#1(dequeue_#t~post45#1 - 1, dequeue_~q#1.base, 88 + dequeue_~q#1.offset, 4); srcloc: null [2025-02-08 08:10:29,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-2: assume !(1 == #valid[dequeue_~q#1.base]); [2025-02-08 08:10:29,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-2: assume !(4 + (88 + dequeue_~q#1.offset) <= #length[dequeue_~q#1.base] && 0 <= 88 + dequeue_~q#1.offset); [2025-02-08 08:10:29,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-3: dequeue_#t~post45#1 := dequeue_#t~mem44#1; [2025-02-08 08:10:29,746 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-4: SUMMARY for call dequeue_#t~mem44#1 := read~int#1(dequeue_~q#1.base, 88 + dequeue_~q#1.offset, 4); srcloc: null [2025-02-08 08:10:29,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-4: assume !(1 == #valid[dequeue_~q#1.base]); [2025-02-08 08:10:29,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-4: assume !(4 + (88 + dequeue_~q#1.offset) <= #length[dequeue_~q#1.base] && 0 <= 88 + dequeue_~q#1.offset); [2025-02-08 08:10:29,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L997: assume 20 == dequeue_#t~mem46#1; [2025-02-08 08:10:29,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L997: assume !(20 == dequeue_#t~mem46#1); [2025-02-08 08:10:29,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L997-1: havoc dequeue_#t~mem46#1; [2025-02-08 08:10:29,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L997-2: havoc dequeue_#t~mem46#1; [2025-02-08 08:10:29,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L997-3: SUMMARY for call dequeue_#t~mem46#1 := read~int#1(dequeue_~q#1.base, 80 + dequeue_~q#1.offset, 4); srcloc: null [2025-02-08 08:10:29,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L997-3: assume !(1 == #valid[dequeue_~q#1.base]); [2025-02-08 08:10:29,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L997-3: assume !(4 + (80 + dequeue_~q#1.offset) <= #length[dequeue_~q#1.base] && 0 <= 80 + dequeue_~q#1.offset); [2025-02-08 08:10:29,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031: assume -1 != #t~ret55#1; [2025-02-08 08:10:29,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031: assume !(-1 != #t~ret55#1); [2025-02-08 08:10:29,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031-1: havoc #t~ret55#1; [2025-02-08 08:10:29,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031-2: havoc #t~ret55#1; [2025-02-08 08:10:29,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031-3: assume { :end_inline_empty } true;assume -2147483648 <= #t~ret55#1 && #t~ret55#1 <= 2147483647; [2025-02-08 08:10:29,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031-4: havoc empty_#in~q#1.base, empty_#in~q#1.offset; [2025-02-08 08:10:29,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031-5: havoc empty_#t~mem31#1, empty_#t~mem32#1, empty_#t~ret33#1, empty_~q#1.base, empty_~q#1.offset; [2025-02-08 08:10:29,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031-6: #t~ret55#1 := empty_#res#1; [2025-02-08 08:10:29,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032: havoc #t~mem57#1; [2025-02-08 08:10:29,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-1: havoc #t~mem57#1; [2025-02-08 08:10:29,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L999: SUMMARY for call write~int#1(1, dequeue_~q#1.base, 80 + dequeue_~q#1.offset, 4); srcloc: null [2025-02-08 08:10:29,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L999: assume !(1 == #valid[dequeue_~q#1.base]); [2025-02-08 08:10:29,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L999: assume !(4 + (80 + dequeue_~q#1.offset) <= #length[dequeue_~q#1.base] && 0 <= 80 + dequeue_~q#1.offset); [2025-02-08 08:10:29,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-2: assume (if 0 == #t~ret56#1 then 1 else 0) == #t~mem57#1; [2025-02-08 08:10:29,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-2: assume !((if 0 == #t~ret56#1 then 1 else 0) == #t~mem57#1); [2025-02-08 08:10:29,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-3: havoc #t~ret56#1; [2025-02-08 08:10:29,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-4: havoc #t~ret56#1; [2025-02-08 08:10:29,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-5: SUMMARY for call #t~mem57#1 := read~int#3(~#stored_elements~0.base, ~#stored_elements~0.offset + 4 * ~i~1#1, 4); srcloc: null [2025-02-08 08:10:29,747 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-5: assume !(1 == #valid[~#stored_elements~0.base]); [2025-02-08 08:10:29,748 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-5: assume !(4 + (~#stored_elements~0.offset + 4 * ~i~1#1) <= #length[~#stored_elements~0.base] && 0 <= ~#stored_elements~0.offset + 4 * ~i~1#1); [2025-02-08 08:10:29,748 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-6: assume { :end_inline_dequeue } true;assume -2147483648 <= #t~ret56#1 && #t~ret56#1 <= 2147483647; [2025-02-08 08:10:29,748 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-7: havoc dequeue_#in~q#1.base, dequeue_#in~q#1.offset; [2025-02-08 08:10:29,748 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-8: havoc dequeue_#t~mem42#1, dequeue_#t~mem43#1, dequeue_#t~mem44#1, dequeue_#t~post45#1, dequeue_#t~mem46#1, dequeue_#t~mem47#1, dequeue_#t~post48#1, dequeue_~q#1.base, dequeue_~q#1.offset, dequeue_~x~0#1; [2025-02-08 08:10:29,748 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-9: #t~ret56#1 := dequeue_#res#1; [2025-02-08 08:10:29,748 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-10: havoc dequeue_#t~mem42#1, dequeue_#t~mem43#1, dequeue_#t~mem44#1, dequeue_#t~post45#1, dequeue_#t~mem46#1, dequeue_#t~mem47#1, dequeue_#t~post48#1, dequeue_~q#1.base, dequeue_~q#1.offset, dequeue_~x~0#1; [2025-02-08 08:10:29,748 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-11: havoc dequeue_#res#1; [2025-02-08 08:10:29,748 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-12: assume { :begin_inline_dequeue } true;dequeue_#in~q#1.base, dequeue_#in~q#1.offset := ~#queue~0.base, ~#queue~0.offset; [2025-02-08 08:10:29,748 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1033: assume { :end_inline_reach_error } true;assume false; [2025-02-08 08:10:29,748 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1033-1: havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 08:10:29,748 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1033-2: assume { :begin_inline_reach_error } true;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 08:10:29,748 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L992: dequeue_~q#1.base, dequeue_~q#1.offset := dequeue_#in~q#1.base, dequeue_#in~q#1.offset; [2025-02-08 08:10:29,749 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 08:10:29,750 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 08:10:29,889 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 08:10:29,889 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 08:10:29,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:10:29 BoogieIcfgContainer [2025-02-08 08:10:29,890 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 08:10:29,891 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 08:10:29,892 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 08:10:29,895 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 08:10:29,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 08:10:28" (1/3) ... [2025-02-08 08:10:29,896 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@724f3920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:10:29, skipping insertion in model container [2025-02-08 08:10:29,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:29" (2/3) ... [2025-02-08 08:10:29,897 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@724f3920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:10:29, skipping insertion in model container [2025-02-08 08:10:29,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:10:29" (3/3) ... [2025-02-08 08:10:29,898 INFO L128 eAbstractionObserver]: Analyzing ICFG queue_ok.i [2025-02-08 08:10:29,907 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 08:10:29,908 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG queue_ok.i that has 3 procedures, 68 locations, 1 initial locations, 2 loop locations, and 53 error locations. [2025-02-08 08:10:29,909 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 08:10:29,928 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IIcfgForkTransitionThreadCurrent.getNameOfForkedProcedure()" because "" is null at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstances(ThreadInstanceAdder.java:352) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.petrify(TraceAbstractionStarter.java:492) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-02-08 08:10:29,934 INFO L158 Benchmark]: Toolchain (without parser) took 1182.23ms. Allocated memory is still 167.8MB. Free memory was 126.7MB in the beginning and 100.1MB in the end (delta: 26.5MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2025-02-08 08:10:29,935 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:10:29,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.55ms. Allocated memory is still 167.8MB. Free memory was 126.2MB in the beginning and 96.6MB in the end (delta: 29.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-08 08:10:29,936 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.57ms. Allocated memory is still 167.8MB. Free memory was 96.6MB in the beginning and 93.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:10:29,936 INFO L158 Benchmark]: Boogie Preprocessor took 50.80ms. Allocated memory is still 167.8MB. Free memory was 93.8MB in the beginning and 91.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:10:29,936 INFO L158 Benchmark]: IcfgBuilder took 628.22ms. Allocated memory is still 167.8MB. Free memory was 90.6MB in the beginning and 106.6MB in the end (delta: -16.1MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. [2025-02-08 08:10:29,936 INFO L158 Benchmark]: TraceAbstraction took 40.69ms. Allocated memory is still 167.8MB. Free memory was 106.6MB in the beginning and 100.1MB in the end (delta: 6.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:10:29,937 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 124.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 423.55ms. Allocated memory is still 167.8MB. Free memory was 126.2MB in the beginning and 96.6MB in the end (delta: 29.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.57ms. Allocated memory is still 167.8MB. Free memory was 96.6MB in the beginning and 93.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.80ms. Allocated memory is still 167.8MB. Free memory was 93.8MB in the beginning and 91.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 628.22ms. Allocated memory is still 167.8MB. Free memory was 90.6MB in the beginning and 106.6MB in the end (delta: -16.1MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. * TraceAbstraction took 40.69ms. Allocated memory is still 167.8MB. Free memory was 106.6MB in the beginning and 100.1MB in the end (delta: 6.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IIcfgForkTransitionThreadCurrent.getNameOfForkedProcedure()" because "" is null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IIcfgForkTransitionThreadCurrent.getNameOfForkedProcedure()" because "" is null: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstances(ThreadInstanceAdder.java:352) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2025-02-08 08:10:29,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread/queue_ok.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7cc273f13a619f37768d5108c297b75ab7c37145fe391daced9c134730721251 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 08:10:31,877 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 08:10:31,954 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2025-02-08 08:10:31,961 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 08:10:31,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 08:10:31,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 08:10:31,995 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 08:10:31,995 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 08:10:31,995 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 08:10:31,995 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 08:10:31,995 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 08:10:31,995 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 08:10:31,996 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 08:10:31,996 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 08:10:31,996 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 08:10:31,996 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 08:10:31,997 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 08:10:31,997 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 08:10:31,997 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 08:10:31,997 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 08:10:31,997 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 08:10:31,997 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 08:10:31,998 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-02-08 08:10:31,998 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 08:10:31,998 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 08:10:31,998 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-08 08:10:31,998 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-08 08:10:31,998 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 08:10:31,998 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 08:10:31,998 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 08:10:31,998 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 08:10:31,998 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 08:10:31,999 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 08:10:31,999 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 08:10:31,999 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 08:10:31,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:10:31,999 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 08:10:31,999 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 08:10:31,999 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-08 08:10:32,000 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-08 08:10:32,000 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 08:10:32,000 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 08:10:32,000 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 08:10:32,000 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 08:10:32,000 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 7cc273f13a619f37768d5108c297b75ab7c37145fe391daced9c134730721251 [2025-02-08 08:10:32,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 08:10:32,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 08:10:32,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 08:10:32,240 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 08:10:32,240 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 08:10:32,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/queue_ok.i [2025-02-08 08:10:33,393 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6c1bfce5c/9ac3488a805b4a968d3913c117b64984/FLAG462f8679e [2025-02-08 08:10:33,642 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 08:10:33,644 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/queue_ok.i [2025-02-08 08:10:33,656 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6c1bfce5c/9ac3488a805b4a968d3913c117b64984/FLAG462f8679e [2025-02-08 08:10:33,961 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6c1bfce5c/9ac3488a805b4a968d3913c117b64984 [2025-02-08 08:10:33,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 08:10:33,965 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 08:10:33,966 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 08:10:33,966 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 08:10:33,969 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 08:10:33,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:10:33" (1/1) ... [2025-02-08 08:10:33,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@608d5036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:33, skipping insertion in model container [2025-02-08 08:10:33,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:10:33" (1/1) ... [2025-02-08 08:10:33,989 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 08:10:34,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:10:34,236 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 08:10:34,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:10:34,334 INFO L204 MainTranslator]: Completed translation [2025-02-08 08:10:34,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:34 WrapperNode [2025-02-08 08:10:34,335 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 08:10:34,336 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 08:10:34,336 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 08:10:34,336 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 08:10:34,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:34" (1/1) ... [2025-02-08 08:10:34,359 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:34" (1/1) ... [2025-02-08 08:10:34,379 INFO L138 Inliner]: procedures = 278, calls = 94, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 231 [2025-02-08 08:10:34,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 08:10:34,380 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 08:10:34,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 08:10:34,380 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 08:10:34,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:34" (1/1) ... [2025-02-08 08:10:34,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:34" (1/1) ... [2025-02-08 08:10:34,388 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:34" (1/1) ... [2025-02-08 08:10:34,397 INFO L175 MemorySlicer]: Split 75 memory accesses to 4 slices as follows [2, 5, 22, 46]. 61 percent of accesses are in the largest equivalence class. The 50 initializations are split as follows [2, 5, 20, 23]. The 11 writes are split as follows [0, 0, 1, 10]. [2025-02-08 08:10:34,397 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:34" (1/1) ... [2025-02-08 08:10:34,398 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:34" (1/1) ... [2025-02-08 08:10:34,423 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:34" (1/1) ... [2025-02-08 08:10:34,424 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:34" (1/1) ... [2025-02-08 08:10:34,426 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:34" (1/1) ... [2025-02-08 08:10:34,426 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:34" (1/1) ... [2025-02-08 08:10:34,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 08:10:34,429 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 08:10:34,429 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 08:10:34,429 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 08:10:34,430 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:34" (1/1) ... [2025-02-08 08:10:34,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:10:34,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:10:34,460 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) [2025-02-08 08:10:34,467 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 [2025-02-08 08:10:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-08 08:10:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-08 08:10:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-08 08:10:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-08 08:10:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2025-02-08 08:10:34,487 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2025-02-08 08:10:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2025-02-08 08:10:34,487 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2025-02-08 08:10:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-08 08:10:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-08 08:10:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-08 08:10:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-08 08:10:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-08 08:10:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-08 08:10:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-08 08:10:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-08 08:10:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2025-02-08 08:10:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2025-02-08 08:10:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2025-02-08 08:10:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2025-02-08 08:10:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 08:10:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 08:10:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 08:10:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 08:10:34,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 08:10:34,490 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 08:10:34,631 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 08:10:34,632 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 08:10:34,848 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1051: #pthreadsMutex := #pthreadsMutex[~#m~0.base,~#m~0.offset := 0bv1]; [2025-02-08 08:10:34,848 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-08 08:10:34,849 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1052: havoc main_#t~nondet62#1; [2025-02-08 08:10:34,849 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1052-1: havoc main_#t~pre61#1; [2025-02-08 08:10:34,849 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1052-2: fork main_#t~pre61#1, 0bv32 t1(~#queue~0.base, ~#queue~0.offset); [2025-02-08 08:10:34,849 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1052-3: main_~id1~0#1 := main_#t~pre61#1; [2025-02-08 08:10:34,849 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1052-4: #pthreadsForks := ~bvadd~32(1bv32, #pthreadsForks); [2025-02-08 08:10:34,849 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1052-5: main_#t~pre61#1 := #pthreadsForks; [2025-02-08 08:10:34,849 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1053: havoc main_#t~nondet64#1; [2025-02-08 08:10:34,849 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1053-1: havoc main_#t~pre63#1; [2025-02-08 08:10:34,849 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1053-2: fork main_#t~pre63#1, 0bv32, 0bv32 t2(~#queue~0.base, ~#queue~0.offset); [2025-02-08 08:10:34,849 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1053-3: main_~id2~0#1 := main_#t~pre63#1; [2025-02-08 08:10:34,849 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1053-4: #pthreadsForks := ~bvadd~32(1bv32, #pthreadsForks); [2025-02-08 08:10:34,849 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1053-5: main_#t~pre63#1 := #pthreadsForks; [2025-02-08 08:10:34,849 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21: assume false; [2025-02-08 08:10:34,849 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21: assume !false; [2025-02-08 08:10:34,849 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21-1: assume false; [2025-02-08 08:10:34,849 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21-1: assume !false; [2025-02-08 08:10:34,849 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1054: join main_~id1~0#1, 0bv32; [2025-02-08 08:10:34,849 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1055: join main_~id2~0#1, 0bv32, 0bv32; [2025-02-08 08:10:34,849 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1056: main_#res#1 := 0bv32; [2025-02-08 08:10:34,849 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1: havoc main_#t~ret60#1, main_#t~pre61#1, main_#t~nondet62#1, main_#t~pre63#1, main_#t~nondet64#1, main_~id1~0#1, main_~id2~0#1;assume { :end_inline_main } true; [2025-02-08 08:10:34,849 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-1: #t~ret65#1 := main_#res#1; [2025-02-08 08:10:34,849 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1048: assume 4294967295bv32 == (if 0bv32 == main_#t~ret60#1 then 1bv32 else 0bv32); [2025-02-08 08:10:34,849 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1048: assume !(4294967295bv32 == (if 0bv32 == main_#t~ret60#1 then 1bv32 else 0bv32)); [2025-02-08 08:10:34,849 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1048-1: havoc main_#t~ret60#1; [2025-02-08 08:10:34,849 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1048-2: havoc main_#t~ret60#1; [2025-02-08 08:10:34,849 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1048-3: havoc empty_#in~q#1.base, empty_#in~q#1.offset;assume { :end_inline_empty } true; [2025-02-08 08:10:34,850 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1048-4: havoc empty_#t~mem31#1, empty_#t~mem32#1, empty_#t~ret33#1, empty_~q#1.base, empty_~q#1.offset; [2025-02-08 08:10:34,850 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1048-5: main_#t~ret60#1 := empty_#res#1; [2025-02-08 08:10:34,850 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1049: assume { :end_inline_reach_error } true;assume false; [2025-02-08 08:10:34,850 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1049-1: havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 08:10:34,850 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1049-2: assume { :begin_inline_reach_error } true;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 08:10:34,850 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042: assume #valid == main_old_#valid#1; [2025-02-08 08:10:34,850 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042: assume !(#valid == main_old_#valid#1); [2025-02-08 08:10:34,850 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-1: assume #valid == main_old_#valid#1; [2025-02-08 08:10:34,955 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014: assume { :end_inline_enqueue } true;havoc #t~ret51#1; [2025-02-08 08:10:34,956 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-1: havoc enqueue_#in~q#1.base, enqueue_#in~q#1.offset, enqueue_#in~x#1; [2025-02-08 08:10:34,956 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-2: havoc enqueue_#t~mem36#1, enqueue_#t~mem37#1, enqueue_#t~post38#1, enqueue_#t~mem39#1, enqueue_#t~mem40#1, enqueue_#t~post41#1, enqueue_~q#1.base, enqueue_~q#1.offset, enqueue_~x#1; [2025-02-08 08:10:34,956 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-3: #t~ret51#1 := enqueue_#res#1; [2025-02-08 08:10:34,956 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1015: #t~post52#1 := ~i~0#1; [2025-02-08 08:10:34,956 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1015-1: SUMMARY for call write~intINTTYPE4#2(~value~0#1, ~#stored_elements~0.base, ~bvadd~32(~#stored_elements~0.offset, ~bvmul~32(4bv32, ~i~0#1)), 4bv32); srcloc: null [2025-02-08 08:10:34,956 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1015-1: assume !(1bv1 == #valid[~#stored_elements~0.base]); [2025-02-08 08:10:34,956 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1015-1: assume !((~bvule~32(~bvadd~32(4bv32, ~bvadd~32(~#stored_elements~0.offset, ~bvmul~32(4bv32, ~i~0#1))), #length[~#stored_elements~0.base]) && ~bvule~32(~bvadd~32(~#stored_elements~0.offset, ~bvmul~32(4bv32, ~i~0#1)), ~bvadd~32(4bv32, ~bvadd~32(~#stored_elements~0.offset, ~bvmul~32(4bv32, ~i~0#1))))) && ~bvule~32(0bv32, ~bvadd~32(~#stored_elements~0.offset, ~bvmul~32(4bv32, ~i~0#1)))); [2025-02-08 08:10:34,956 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1011-1: havoc #t~post52#1; [2025-02-08 08:10:34,956 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1011-2: ~i~0#1 := ~bvadd~32(1bv32, #t~post52#1); [2025-02-08 08:10:35,106 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002: SUMMARY for call write~intINTTYPE4#3(~bvadd~32(1bv32, dequeue_#t~post48#1), dequeue_~q#1.base, ~bvadd~32(80bv32, dequeue_~q#1.offset), 4bv32); srcloc: null [2025-02-08 08:10:35,106 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002: assume !(1bv1 == #valid[dequeue_~q#1.base]); [2025-02-08 08:10:35,106 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002: assume !((~bvule~32(~bvadd~32(4bv32, ~bvadd~32(80bv32, dequeue_~q#1.offset)), #length[dequeue_~q#1.base]) && ~bvule~32(~bvadd~32(80bv32, dequeue_~q#1.offset), ~bvadd~32(4bv32, ~bvadd~32(80bv32, dequeue_~q#1.offset)))) && ~bvule~32(0bv32, ~bvadd~32(80bv32, dequeue_~q#1.offset))); [2025-02-08 08:10:35,106 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002-1: dequeue_#t~post48#1 := dequeue_#t~mem47#1; [2025-02-08 08:10:35,106 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002-2: SUMMARY for call dequeue_#t~mem47#1 := read~intINTTYPE4#3(dequeue_~q#1.base, ~bvadd~32(80bv32, dequeue_~q#1.offset), 4bv32); srcloc: null [2025-02-08 08:10:35,106 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002-2: assume !(1bv1 == #valid[dequeue_~q#1.base]); [2025-02-08 08:10:35,106 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002-2: assume !((~bvule~32(~bvadd~32(4bv32, ~bvadd~32(80bv32, dequeue_~q#1.offset)), #length[dequeue_~q#1.base]) && ~bvule~32(~bvadd~32(80bv32, dequeue_~q#1.offset), ~bvadd~32(4bv32, ~bvadd~32(80bv32, dequeue_~q#1.offset)))) && ~bvule~32(0bv32, ~bvadd~32(80bv32, dequeue_~q#1.offset))); [2025-02-08 08:10:35,106 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L994: havoc dequeue_~x~0#1; [2025-02-08 08:10:35,106 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1003-1: dequeue_#res#1 := dequeue_~x~0#1; [2025-02-08 08:10:35,106 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L995: havoc dequeue_#t~mem43#1; [2025-02-08 08:10:35,106 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L995-1: havoc dequeue_#t~mem42#1; [2025-02-08 08:10:35,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L995-2: dequeue_~x~0#1 := dequeue_#t~mem43#1; [2025-02-08 08:10:35,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L995-3: SUMMARY for call dequeue_#t~mem43#1 := read~intINTTYPE4#3(dequeue_~q#1.base, ~bvadd~32(dequeue_~q#1.offset, ~bvmul~32(4bv32, dequeue_#t~mem42#1)), 4bv32); srcloc: null [2025-02-08 08:10:35,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L995-3: assume !(1bv1 == #valid[dequeue_~q#1.base]); [2025-02-08 08:10:35,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L995-3: assume !((~bvule~32(~bvadd~32(4bv32, ~bvadd~32(dequeue_~q#1.offset, ~bvmul~32(4bv32, dequeue_#t~mem42#1))), #length[dequeue_~q#1.base]) && ~bvule~32(~bvadd~32(dequeue_~q#1.offset, ~bvmul~32(4bv32, dequeue_#t~mem42#1)), ~bvadd~32(4bv32, ~bvadd~32(dequeue_~q#1.offset, ~bvmul~32(4bv32, dequeue_#t~mem42#1))))) && ~bvule~32(0bv32, ~bvadd~32(dequeue_~q#1.offset, ~bvmul~32(4bv32, dequeue_#t~mem42#1)))); [2025-02-08 08:10:35,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L995-4: SUMMARY for call dequeue_#t~mem42#1 := read~intINTTYPE4#3(dequeue_~q#1.base, ~bvadd~32(80bv32, dequeue_~q#1.offset), 4bv32); srcloc: null [2025-02-08 08:10:35,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L995-4: assume !(1bv1 == #valid[dequeue_~q#1.base]); [2025-02-08 08:10:35,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L995-4: assume !((~bvule~32(~bvadd~32(4bv32, ~bvadd~32(80bv32, dequeue_~q#1.offset)), #length[dequeue_~q#1.base]) && ~bvule~32(~bvadd~32(80bv32, dequeue_~q#1.offset), ~bvadd~32(4bv32, ~bvadd~32(80bv32, dequeue_~q#1.offset)))) && ~bvule~32(0bv32, ~bvadd~32(80bv32, dequeue_~q#1.offset))); [2025-02-08 08:10:35,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21: assume false; [2025-02-08 08:10:35,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21: assume !false; [2025-02-08 08:10:35,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21-1: assume false; [2025-02-08 08:10:35,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21-1: assume !false; [2025-02-08 08:10:35,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029-1: havoc #t~post58#1; [2025-02-08 08:10:35,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996: havoc dequeue_#t~post45#1; [2025-02-08 08:10:35,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029-2: ~i~1#1 := ~bvadd~32(1bv32, #t~post58#1); [2025-02-08 08:10:35,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-1: havoc dequeue_#t~mem44#1; [2025-02-08 08:10:35,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029-3: #t~post58#1 := ~i~1#1; [2025-02-08 08:10:35,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-2: SUMMARY for call write~intINTTYPE4#3(~bvsub~32(dequeue_#t~post45#1, 1bv32), dequeue_~q#1.base, ~bvadd~32(88bv32, dequeue_~q#1.offset), 4bv32); srcloc: null [2025-02-08 08:10:35,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-2: assume !(1bv1 == #valid[dequeue_~q#1.base]); [2025-02-08 08:10:35,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-2: assume !((~bvule~32(~bvadd~32(4bv32, ~bvadd~32(88bv32, dequeue_~q#1.offset)), #length[dequeue_~q#1.base]) && ~bvule~32(~bvadd~32(88bv32, dequeue_~q#1.offset), ~bvadd~32(4bv32, ~bvadd~32(88bv32, dequeue_~q#1.offset)))) && ~bvule~32(0bv32, ~bvadd~32(88bv32, dequeue_~q#1.offset))); [2025-02-08 08:10:35,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-3: dequeue_#t~post45#1 := dequeue_#t~mem44#1; [2025-02-08 08:10:35,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-4: SUMMARY for call dequeue_#t~mem44#1 := read~intINTTYPE4#3(dequeue_~q#1.base, ~bvadd~32(88bv32, dequeue_~q#1.offset), 4bv32); srcloc: null [2025-02-08 08:10:35,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-4: assume !(1bv1 == #valid[dequeue_~q#1.base]); [2025-02-08 08:10:35,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-4: assume !((~bvule~32(~bvadd~32(4bv32, ~bvadd~32(88bv32, dequeue_~q#1.offset)), #length[dequeue_~q#1.base]) && ~bvule~32(~bvadd~32(88bv32, dequeue_~q#1.offset), ~bvadd~32(4bv32, ~bvadd~32(88bv32, dequeue_~q#1.offset)))) && ~bvule~32(0bv32, ~bvadd~32(88bv32, dequeue_~q#1.offset))); [2025-02-08 08:10:35,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L997: assume 20bv32 == dequeue_#t~mem46#1; [2025-02-08 08:10:35,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L997: assume !(20bv32 == dequeue_#t~mem46#1); [2025-02-08 08:10:35,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L997-1: havoc dequeue_#t~mem46#1; [2025-02-08 08:10:35,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L997-2: havoc dequeue_#t~mem46#1; [2025-02-08 08:10:35,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L997-3: SUMMARY for call dequeue_#t~mem46#1 := read~intINTTYPE4#3(dequeue_~q#1.base, ~bvadd~32(80bv32, dequeue_~q#1.offset), 4bv32); srcloc: null [2025-02-08 08:10:35,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L997-3: assume !(1bv1 == #valid[dequeue_~q#1.base]); [2025-02-08 08:10:35,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L997-3: assume !((~bvule~32(~bvadd~32(4bv32, ~bvadd~32(80bv32, dequeue_~q#1.offset)), #length[dequeue_~q#1.base]) && ~bvule~32(~bvadd~32(80bv32, dequeue_~q#1.offset), ~bvadd~32(4bv32, ~bvadd~32(80bv32, dequeue_~q#1.offset)))) && ~bvule~32(0bv32, ~bvadd~32(80bv32, dequeue_~q#1.offset))); [2025-02-08 08:10:35,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031: assume 4294967295bv32 != #t~ret55#1; [2025-02-08 08:10:35,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031: assume !(4294967295bv32 != #t~ret55#1); [2025-02-08 08:10:35,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031-1: havoc #t~ret55#1; [2025-02-08 08:10:35,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031-2: havoc #t~ret55#1; [2025-02-08 08:10:35,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031-3: havoc empty_#in~q#1.base, empty_#in~q#1.offset;assume { :end_inline_empty } true; [2025-02-08 08:10:35,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031-4: havoc empty_#t~mem31#1, empty_#t~mem32#1, empty_#t~ret33#1, empty_~q#1.base, empty_~q#1.offset; [2025-02-08 08:10:35,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031-5: #t~ret55#1 := empty_#res#1; [2025-02-08 08:10:35,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032: havoc #t~mem57#1; [2025-02-08 08:10:35,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-1: havoc #t~mem57#1; [2025-02-08 08:10:35,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L999: SUMMARY for call write~intINTTYPE4#3(1bv32, dequeue_~q#1.base, ~bvadd~32(80bv32, dequeue_~q#1.offset), 4bv32); srcloc: null [2025-02-08 08:10:35,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L999: assume !(1bv1 == #valid[dequeue_~q#1.base]); [2025-02-08 08:10:35,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L999: assume !((~bvule~32(~bvadd~32(4bv32, ~bvadd~32(80bv32, dequeue_~q#1.offset)), #length[dequeue_~q#1.base]) && ~bvule~32(~bvadd~32(80bv32, dequeue_~q#1.offset), ~bvadd~32(4bv32, ~bvadd~32(80bv32, dequeue_~q#1.offset)))) && ~bvule~32(0bv32, ~bvadd~32(80bv32, dequeue_~q#1.offset))); [2025-02-08 08:10:35,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-2: assume (if 0bv32 == #t~ret56#1 then 1bv32 else 0bv32) == #t~mem57#1; [2025-02-08 08:10:35,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-2: assume !((if 0bv32 == #t~ret56#1 then 1bv32 else 0bv32) == #t~mem57#1); [2025-02-08 08:10:35,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-3: havoc #t~ret56#1; [2025-02-08 08:10:35,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-4: havoc #t~ret56#1; [2025-02-08 08:10:35,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-5: SUMMARY for call #t~mem57#1 := read~intINTTYPE4#2(~#stored_elements~0.base, ~bvadd~32(~#stored_elements~0.offset, ~bvmul~32(4bv32, ~i~1#1)), 4bv32); srcloc: null [2025-02-08 08:10:35,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-5: assume !(1bv1 == #valid[~#stored_elements~0.base]); [2025-02-08 08:10:35,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-5: assume !((~bvule~32(~bvadd~32(4bv32, ~bvadd~32(~#stored_elements~0.offset, ~bvmul~32(4bv32, ~i~1#1))), #length[~#stored_elements~0.base]) && ~bvule~32(~bvadd~32(~#stored_elements~0.offset, ~bvmul~32(4bv32, ~i~1#1)), ~bvadd~32(4bv32, ~bvadd~32(~#stored_elements~0.offset, ~bvmul~32(4bv32, ~i~1#1))))) && ~bvule~32(0bv32, ~bvadd~32(~#stored_elements~0.offset, ~bvmul~32(4bv32, ~i~1#1)))); [2025-02-08 08:10:35,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-6: havoc dequeue_#in~q#1.base, dequeue_#in~q#1.offset;assume { :end_inline_dequeue } true; [2025-02-08 08:10:35,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-7: havoc dequeue_#t~mem42#1, dequeue_#t~mem43#1, dequeue_#t~mem44#1, dequeue_#t~post45#1, dequeue_#t~mem46#1, dequeue_#t~mem47#1, dequeue_#t~post48#1, dequeue_~q#1.base, dequeue_~q#1.offset, dequeue_~x~0#1; [2025-02-08 08:10:35,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-8: #t~ret56#1 := dequeue_#res#1; [2025-02-08 08:10:35,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-9: havoc dequeue_#t~mem42#1, dequeue_#t~mem43#1, dequeue_#t~mem44#1, dequeue_#t~post45#1, dequeue_#t~mem46#1, dequeue_#t~mem47#1, dequeue_#t~post48#1, dequeue_~q#1.base, dequeue_~q#1.offset, dequeue_~x~0#1; [2025-02-08 08:10:35,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-10: havoc dequeue_#res#1; [2025-02-08 08:10:35,109 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-11: assume { :begin_inline_dequeue } true;dequeue_#in~q#1.base, dequeue_#in~q#1.offset := ~#queue~0.base, ~#queue~0.offset; [2025-02-08 08:10:35,109 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1033: assume { :end_inline_reach_error } true;assume false; [2025-02-08 08:10:35,109 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1033-1: havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 08:10:35,109 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1033-2: assume { :begin_inline_reach_error } true;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 08:10:35,109 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L992: dequeue_~q#1.base, dequeue_~q#1.offset := dequeue_#in~q#1.base, dequeue_#in~q#1.offset; [2025-02-08 08:10:35,113 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 08:10:35,113 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 08:10:35,297 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 08:10:35,298 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 08:10:35,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:10:35 BoogieIcfgContainer [2025-02-08 08:10:35,298 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 08:10:35,299 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 08:10:35,299 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 08:10:35,303 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 08:10:35,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 08:10:33" (1/3) ... [2025-02-08 08:10:35,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae41490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:10:35, skipping insertion in model container [2025-02-08 08:10:35,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:10:34" (2/3) ... [2025-02-08 08:10:35,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae41490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:10:35, skipping insertion in model container [2025-02-08 08:10:35,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:10:35" (3/3) ... [2025-02-08 08:10:35,307 INFO L128 eAbstractionObserver]: Analyzing ICFG queue_ok.i [2025-02-08 08:10:35,316 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 08:10:35,317 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG queue_ok.i that has 3 procedures, 68 locations, 1 initial locations, 2 loop locations, and 53 error locations. [2025-02-08 08:10:35,317 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 08:10:35,336 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IIcfgForkTransitionThreadCurrent.getNameOfForkedProcedure()" because "" is null at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstances(ThreadInstanceAdder.java:352) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.petrify(TraceAbstractionStarter.java:492) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-02-08 08:10:35,341 INFO L158 Benchmark]: Toolchain (without parser) took 1374.74ms. Allocated memory is still 83.9MB. Free memory was 58.3MB in the beginning and 29.1MB in the end (delta: 29.2MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2025-02-08 08:10:35,341 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 83.9MB. Free memory was 62.9MB in the beginning and 62.9MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:10:35,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.18ms. Allocated memory is still 83.9MB. Free memory was 58.0MB in the beginning and 26.6MB in the end (delta: 31.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-08 08:10:35,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.61ms. Allocated memory is still 83.9MB. Free memory was 26.6MB in the beginning and 23.3MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:10:35,343 INFO L158 Benchmark]: Boogie Preprocessor took 48.98ms. Allocated memory is still 83.9MB. Free memory was 23.3MB in the beginning and 58.0MB in the end (delta: -34.7MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2025-02-08 08:10:35,343 INFO L158 Benchmark]: IcfgBuilder took 868.91ms. Allocated memory is still 83.9MB. Free memory was 57.5MB in the beginning and 39.3MB in the end (delta: 18.2MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2025-02-08 08:10:35,343 INFO L158 Benchmark]: TraceAbstraction took 39.93ms. Allocated memory is still 83.9MB. Free memory was 38.7MB in the beginning and 29.1MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 08:10:35,345 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 83.9MB. Free memory was 62.9MB in the beginning and 62.9MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.18ms. Allocated memory is still 83.9MB. Free memory was 58.0MB in the beginning and 26.6MB in the end (delta: 31.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.61ms. Allocated memory is still 83.9MB. Free memory was 26.6MB in the beginning and 23.3MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.98ms. Allocated memory is still 83.9MB. Free memory was 23.3MB in the beginning and 58.0MB in the end (delta: -34.7MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * IcfgBuilder took 868.91ms. Allocated memory is still 83.9MB. Free memory was 57.5MB in the beginning and 39.3MB in the end (delta: 18.2MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * TraceAbstraction took 39.93ms. Allocated memory is still 83.9MB. Free memory was 38.7MB in the beginning and 29.1MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IIcfgForkTransitionThreadCurrent.getNameOfForkedProcedure()" because "" is null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IIcfgForkTransitionThreadCurrent.getNameOfForkedProcedure()" because "" is null: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstances(ThreadInstanceAdder.java:352) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2025-02-08 08:10:35,361 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IIcfgForkTransitionThreadCurrent.getNameOfForkedProcedure()" because "" is null