./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/04-mutex_50-funptr_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/04-mutex_50-funptr_rc.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-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 ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1abd6fb835489bc29b4b3171e6e4732aae8910bae019e148dd431ac2077bb570 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 05:30:49,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 05:30:49,443 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-08 05:30:49,446 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 05:30:49,450 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 05:30:49,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 05:30:49,477 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 05:30:49,477 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 05:30:49,478 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 05:30:49,478 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 05:30:49,479 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 05:30:49,479 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 05:30:49,479 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 05:30:49,480 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 05:30:49,480 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 05:30:49,480 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 05:30:49,480 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 05:30:49,480 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 05:30:49,480 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 05:30:49,480 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 05:30:49,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 05:30:49,481 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 05:30:49,481 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-08 05:30:49,481 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 05:30:49,481 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 05:30:49,481 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 05:30:49,481 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 05:30:49,481 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 05:30:49,481 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 05:30:49,481 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 05:30:49,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 05:30:49,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:30:49,482 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 05:30:49,482 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 05:30:49,482 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 05:30:49,482 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 05:30:49,482 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 05:30:49,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 05:30:49,482 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 05:30:49,482 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 05:30:49,482 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 05:30:49,482 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 05:30:49,482 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 ! data-race) ) 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 -> 1abd6fb835489bc29b4b3171e6e4732aae8910bae019e148dd431ac2077bb570 [2025-02-08 05:30:49,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 05:30:49,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 05:30:49,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 05:30:49,824 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 05:30:49,824 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 05:30:49,825 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/04-mutex_50-funptr_rc.i [2025-02-08 05:30:51,010 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5cd8f812d/738c824e5dc14e6ea64089492b9d756f/FLAG3af06a8ad [2025-02-08 05:30:51,500 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 05:30:51,502 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_50-funptr_rc.i [2025-02-08 05:30:51,524 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5cd8f812d/738c824e5dc14e6ea64089492b9d756f/FLAG3af06a8ad [2025-02-08 05:30:51,638 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5cd8f812d/738c824e5dc14e6ea64089492b9d756f [2025-02-08 05:30:51,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 05:30:51,641 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 05:30:51,642 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 05:30:51,643 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 05:30:51,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 05:30:51,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:30:51" (1/1) ... [2025-02-08 05:30:51,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4501334b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:51, skipping insertion in model container [2025-02-08 05:30:51,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:30:51" (1/1) ... [2025-02-08 05:30:51,673 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:30:51,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:30:51,978 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 05:30:52,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:30:52,083 INFO L204 MainTranslator]: Completed translation [2025-02-08 05:30:52,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:52 WrapperNode [2025-02-08 05:30:52,084 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 05:30:52,084 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 05:30:52,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 05:30:52,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 05:30:52,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:52" (1/1) ... [2025-02-08 05:30:52,108 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:52" (1/1) ... [2025-02-08 05:30:52,129 INFO L138 Inliner]: procedures = 265, calls = 22, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2025-02-08 05:30:52,129 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 05:30:52,130 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 05:30:52,130 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 05:30:52,130 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 05:30:52,134 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:52" (1/1) ... [2025-02-08 05:30:52,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:52" (1/1) ... [2025-02-08 05:30:52,136 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:52" (1/1) ... [2025-02-08 05:30:52,136 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:52" (1/1) ... [2025-02-08 05:30:52,140 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:52" (1/1) ... [2025-02-08 05:30:52,140 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:52" (1/1) ... [2025-02-08 05:30:52,141 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:52" (1/1) ... [2025-02-08 05:30:52,142 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:52" (1/1) ... [2025-02-08 05:30:52,143 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 05:30:52,143 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 05:30:52,144 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 05:30:52,144 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 05:30:52,144 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:52" (1/1) ... [2025-02-08 05:30:52,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:30:52,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:30:52,188 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 05:30:52,192 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 05:30:52,207 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 05:30:52,208 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 05:30:52,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 05:30:52,208 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-02-08 05:30:52,208 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-02-08 05:30:52,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-08 05:30:52,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 05:30:52,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 05:30:52,209 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 05:30:52,287 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 05:30:52,289 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 05:30:52,385 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L932: havoc main_#t~ret36#1; [2025-02-08 05:30:52,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L932-1: assume { :end_inline_##fun~~TO~int } true;assume -2147483648 <= main_#t~ret36#1 && main_#t~ret36#1 <= 2147483647; [2025-02-08 05:30:52,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L932-2: havoc ##fun~~TO~int_#in~#fp#1.base, ##fun~~TO~int_#in~#fp#1.offset; [2025-02-08 05:30:52,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L932-3: havoc ##fun~~TO~int_#t~funptrres39#1, ##fun~~TO~int_#t~ret40#1, ##fun~~TO~int_#t~ret41#1; [2025-02-08 05:30:52,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L932-4: main_#t~ret36#1 := ##fun~~TO~int_#res#1; [2025-02-08 05:30:52,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1: havoc main_#t~pre33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#1, main_#t~ret37#1, main_~id~0#1;assume { :end_inline_main } true; [2025-02-08 05:30:52,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-1: #t~ret38#1 := main_#res#1; [2025-02-08 05:30:52,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-2: havoc ##fun~~TO~int_#t~ret41#1; [2025-02-08 05:30:52,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-08 05:30:52,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-3: havoc ##fun~~TO~int_#t~ret40#1; [2025-02-08 05:30:52,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-4: havoc ##fun~~TO~int_#t~funptrres39#1; [2025-02-08 05:30:52,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-5: ##fun~~TO~int_#res#1 := ##fun~~TO~int_#t~funptrres39#1; [2025-02-08 05:30:52,389 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-6: ##fun~~TO~int_#t~funptrres39#1 := ##fun~~TO~int_#t~ret41#1; [2025-02-08 05:30:52,389 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-7: assume { :end_inline_f2 } true;assume -2147483648 <= ##fun~~TO~int_#t~ret41#1 && ##fun~~TO~int_#t~ret41#1 <= 2147483647; [2025-02-08 05:30:52,390 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-8: ##fun~~TO~int_#t~ret41#1 := f2_#res#1; [2025-02-08 05:30:52,390 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-9: ##fun~~TO~int_#t~funptrres39#1 := ##fun~~TO~int_#t~ret40#1; [2025-02-08 05:30:52,390 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-10: assume { :end_inline_f1 } true;assume -2147483648 <= ##fun~~TO~int_#t~ret40#1 && ##fun~~TO~int_#t~ret40#1 <= 2147483647; [2025-02-08 05:30:52,390 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-11: ##fun~~TO~int_#t~ret40#1 := f1_#res#1; [2025-02-08 05:30:52,390 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L933: havoc main_#t~ret37#1; [2025-02-08 05:30:52,390 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L933-1: [2025-02-08 05:30:52,390 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L933-2: SUMMARY for call main_#t~ret37#1 := #PthreadsMutexUnlock(~#mutex2~0.base, ~#mutex2~0.offset); srcloc: null [2025-02-08 05:30:52,390 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L933-3: [2025-02-08 05:30:52,390 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L934: join main_~id~0#1, 0; [2025-02-08 05:30:52,390 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L935: main_#res#1 := 0; [2025-02-08 05:30:52,407 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 05:30:52,407 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 05:30:52,421 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 05:30:52,422 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 05:30:52,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:30:52 BoogieIcfgContainer [2025-02-08 05:30:52,422 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 05:30:52,424 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 05:30:52,424 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 05:30:52,427 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 05:30:52,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 05:30:51" (1/3) ... [2025-02-08 05:30:52,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27905e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:30:52, skipping insertion in model container [2025-02-08 05:30:52,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:52" (2/3) ... [2025-02-08 05:30:52,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27905e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:30:52, skipping insertion in model container [2025-02-08 05:30:52,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:30:52" (3/3) ... [2025-02-08 05:30:52,429 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_50-funptr_rc.i [2025-02-08 05:30:52,445 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 05:30:52,448 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_50-funptr_rc.i that has 2 procedures, 56 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-02-08 05:30:52,448 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 05:30:52,500 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.IIcfgJoinTransitionThreadCurrent.getJoinSmtArguments()" because "" is null at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.connectThreadInstances(ThreadInstanceAdder.java:133) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:108) 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 05:30:52,504 INFO L158 Benchmark]: Toolchain (without parser) took 862.37ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 60.9MB in the end (delta: 50.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-08 05:30:52,504 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 123.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:30:52,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.55ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 83.9MB in the end (delta: 27.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 05:30:52,505 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.21ms. Allocated memory is still 142.6MB. Free memory was 83.9MB in the beginning and 81.8MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 05:30:52,505 INFO L158 Benchmark]: Boogie Preprocessor took 13.08ms. Allocated memory is still 142.6MB. Free memory was 81.8MB in the beginning and 80.9MB in the end (delta: 900.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:30:52,506 INFO L158 Benchmark]: IcfgBuilder took 278.78ms. Allocated memory is still 142.6MB. Free memory was 80.9MB in the beginning and 66.1MB in the end (delta: 14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 05:30:52,506 INFO L158 Benchmark]: TraceAbstraction took 79.02ms. Allocated memory is still 142.6MB. Free memory was 65.5MB in the beginning and 60.9MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:30:52,507 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 123.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 441.55ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 83.9MB in the end (delta: 27.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.21ms. Allocated memory is still 142.6MB. Free memory was 83.9MB in the beginning and 81.8MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.08ms. Allocated memory is still 142.6MB. Free memory was 81.8MB in the beginning and 80.9MB in the end (delta: 900.7kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 278.78ms. Allocated memory is still 142.6MB. Free memory was 80.9MB in the beginning and 66.1MB in the end (delta: 14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 79.02ms. Allocated memory is still 142.6MB. Free memory was 65.5MB in the beginning and 60.9MB in the end (delta: 4.6MB). 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.IIcfgJoinTransitionThreadCurrent.getJoinSmtArguments()" because "" is null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IIcfgJoinTransitionThreadCurrent.getJoinSmtArguments()" because "" is null: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.connectThreadInstances(ThreadInstanceAdder.java:133) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2025-02-08 05:30:52,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/04-mutex_50-funptr_rc.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-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 ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1abd6fb835489bc29b4b3171e6e4732aae8910bae019e148dd431ac2077bb570 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 05:30:54,766 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 05:30:54,844 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf [2025-02-08 05:30:54,866 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 05:30:54,867 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 05:30:54,890 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 05:30:54,891 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 05:30:54,891 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 05:30:54,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 05:30:54,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 05:30:54,893 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 05:30:54,893 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 05:30:54,893 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 05:30:54,894 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 05:30:54,894 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 05:30:54,894 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 05:30:54,894 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 05:30:54,894 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 05:30:54,895 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 05:30:54,895 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 05:30:54,895 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 05:30:54,895 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-08 05:30:54,895 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-08 05:30:54,895 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-08 05:30:54,895 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 05:30:54,895 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 05:30:54,895 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 05:30:54,895 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 05:30:54,896 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 05:30:54,896 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 05:30:54,897 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 05:30:54,897 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 05:30:54,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:30:54,897 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 05:30:54,897 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 05:30:54,897 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 05:30:54,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 05:30:54,897 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-08 05:30:54,897 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-08 05:30:54,897 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 05:30:54,897 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 05:30:54,897 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 05:30:54,897 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 05:30:54,897 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 ! data-race) ) 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 -> 1abd6fb835489bc29b4b3171e6e4732aae8910bae019e148dd431ac2077bb570 [2025-02-08 05:30:55,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 05:30:55,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 05:30:55,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 05:30:55,160 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 05:30:55,160 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 05:30:55,161 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/04-mutex_50-funptr_rc.i [2025-02-08 05:30:56,482 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/09d4c6674/ebe9579f54504ca4ab900846e51763d2/FLAGa84cc98ca [2025-02-08 05:30:56,779 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 05:30:56,781 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_50-funptr_rc.i [2025-02-08 05:30:56,796 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/09d4c6674/ebe9579f54504ca4ab900846e51763d2/FLAGa84cc98ca [2025-02-08 05:30:56,810 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/09d4c6674/ebe9579f54504ca4ab900846e51763d2 [2025-02-08 05:30:56,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 05:30:56,813 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 05:30:56,815 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 05:30:56,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 05:30:56,818 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 05:30:56,819 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:30:56" (1/1) ... [2025-02-08 05:30:56,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1554c02e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:56, skipping insertion in model container [2025-02-08 05:30:56,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:30:56" (1/1) ... [2025-02-08 05:30:56,852 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:30:57,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:30:57,203 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 05:30:57,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:30:57,293 INFO L204 MainTranslator]: Completed translation [2025-02-08 05:30:57,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:57 WrapperNode [2025-02-08 05:30:57,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 05:30:57,294 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 05:30:57,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 05:30:57,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 05:30:57,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:57" (1/1) ... [2025-02-08 05:30:57,321 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:57" (1/1) ... [2025-02-08 05:30:57,332 INFO L138 Inliner]: procedures = 266, calls = 22, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 54 [2025-02-08 05:30:57,332 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 05:30:57,332 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 05:30:57,332 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 05:30:57,332 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 05:30:57,336 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:57" (1/1) ... [2025-02-08 05:30:57,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:57" (1/1) ... [2025-02-08 05:30:57,339 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:57" (1/1) ... [2025-02-08 05:30:57,339 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:57" (1/1) ... [2025-02-08 05:30:57,344 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:57" (1/1) ... [2025-02-08 05:30:57,344 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:57" (1/1) ... [2025-02-08 05:30:57,346 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:57" (1/1) ... [2025-02-08 05:30:57,346 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:57" (1/1) ... [2025-02-08 05:30:57,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 05:30:57,348 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 05:30:57,348 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 05:30:57,348 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 05:30:57,349 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:57" (1/1) ... [2025-02-08 05:30:57,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:30:57,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:30:57,387 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 05:30:57,390 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 05:30:57,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2025-02-08 05:30:57,404 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 05:30:57,404 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 05:30:57,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 05:30:57,404 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-02-08 05:30:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-02-08 05:30:57,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 05:30:57,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 05:30:57,405 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 05:30:57,513 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 05:30:57,515 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 05:30:57,657 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L932: assume { :end_inline_##fun~~TO~C_INT } true;havoc main_#t~ret36#1; [2025-02-08 05:30:57,657 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L932-1: havoc ##fun~~TO~C_INT_#in~#fp#1.base, ##fun~~TO~C_INT_#in~#fp#1.offset; [2025-02-08 05:30:57,657 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L932-2: havoc ##fun~~TO~C_INT_#t~funptrres39#1, ##fun~~TO~C_INT_#t~ret40#1, ##fun~~TO~C_INT_#t~ret41#1; [2025-02-08 05:30:57,658 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L932-3: main_#t~ret36#1 := ##fun~~TO~C_INT_#res#1; [2025-02-08 05:30:57,658 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1: havoc main_#t~pre33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#1, main_#t~ret37#1, main_~id~0#1;assume { :end_inline_main } true; [2025-02-08 05:30:57,658 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-1: #t~ret38#1 := main_#res#1; [2025-02-08 05:30:57,658 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-2: havoc ##fun~~TO~C_INT_#t~ret41#1; [2025-02-08 05:30:57,658 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-08 05:30:57,658 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-3: havoc ##fun~~TO~C_INT_#t~ret40#1; [2025-02-08 05:30:57,658 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-4: havoc ##fun~~TO~C_INT_#t~funptrres39#1; [2025-02-08 05:30:57,658 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-5: ##fun~~TO~C_INT_#res#1 := ##fun~~TO~C_INT_#t~funptrres39#1; [2025-02-08 05:30:57,658 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-6: assume { :end_inline_f2 } true;##fun~~TO~C_INT_#t~funptrres39#1 := ##fun~~TO~C_INT_#t~ret41#1; [2025-02-08 05:30:57,658 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-7: ##fun~~TO~C_INT_#t~ret41#1 := f2_#res#1; [2025-02-08 05:30:57,658 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-8: assume { :end_inline_f1 } true;##fun~~TO~C_INT_#t~funptrres39#1 := ##fun~~TO~C_INT_#t~ret40#1; [2025-02-08 05:30:57,659 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-9: ##fun~~TO~C_INT_#t~ret40#1 := f1_#res#1; [2025-02-08 05:30:57,659 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L933: havoc main_#t~ret37#1; [2025-02-08 05:30:57,659 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L933-1: [2025-02-08 05:30:57,659 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L933-2: SUMMARY for call main_#t~ret37#1 := #PthreadsMutexUnlock(~#mutex2~0.base, ~#mutex2~0.offset); srcloc: null [2025-02-08 05:30:57,660 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L933-3: [2025-02-08 05:30:57,660 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L934: join main_~id~0#1, 0bv32; [2025-02-08 05:30:57,660 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L935: main_#res#1 := 0bv32; [2025-02-08 05:30:57,684 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 05:30:57,684 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 05:30:57,708 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 05:30:57,709 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 05:30:57,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:30:57 BoogieIcfgContainer [2025-02-08 05:30:57,710 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 05:30:57,712 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 05:30:57,712 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 05:30:57,715 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 05:30:57,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 05:30:56" (1/3) ... [2025-02-08 05:30:57,716 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d504ae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:30:57, skipping insertion in model container [2025-02-08 05:30:57,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:30:57" (2/3) ... [2025-02-08 05:30:57,716 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d504ae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:30:57, skipping insertion in model container [2025-02-08 05:30:57,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:30:57" (3/3) ... [2025-02-08 05:30:57,717 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_50-funptr_rc.i [2025-02-08 05:30:57,729 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 05:30:57,732 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_50-funptr_rc.i that has 2 procedures, 57 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-02-08 05:30:57,733 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 05:30:57,783 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.IIcfgJoinTransitionThreadCurrent.getJoinSmtArguments()" because "" is null at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.connectThreadInstances(ThreadInstanceAdder.java:133) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:108) 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 05:30:57,805 INFO L158 Benchmark]: Toolchain (without parser) took 991.14ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 90.2MB in the end (delta: 1.5MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2025-02-08 05:30:57,805 INFO L158 Benchmark]: CDTParser took 1.10ms. Allocated memory is still 83.9MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:30:57,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.49ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 63.1MB in the end (delta: 28.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 05:30:57,806 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.85ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 61.0MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 05:30:57,806 INFO L158 Benchmark]: Boogie Preprocessor took 15.47ms. Allocated memory is still 117.4MB. Free memory was 61.0MB in the beginning and 59.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:30:57,806 INFO L158 Benchmark]: IcfgBuilder took 361.90ms. Allocated memory is still 117.4MB. Free memory was 59.6MB in the beginning and 43.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 05:30:57,807 INFO L158 Benchmark]: TraceAbstraction took 92.04ms. Allocated memory is still 117.4MB. Free memory was 43.1MB in the beginning and 90.3MB in the end (delta: -47.2MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2025-02-08 05:30:57,808 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.10ms. Allocated memory is still 83.9MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 478.49ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 63.1MB in the end (delta: 28.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.85ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 61.0MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.47ms. Allocated memory is still 117.4MB. Free memory was 61.0MB in the beginning and 59.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 361.90ms. Allocated memory is still 117.4MB. Free memory was 59.6MB in the beginning and 43.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 92.04ms. Allocated memory is still 117.4MB. Free memory was 43.1MB in the beginning and 90.3MB in the end (delta: -47.2MB). Peak memory consumption was 14.1MB. 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.IIcfgJoinTransitionThreadCurrent.getJoinSmtArguments()" because "" is null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IIcfgJoinTransitionThreadCurrent.getJoinSmtArguments()" because "" is null: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.connectThreadInstances(ThreadInstanceAdder.java:133) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2025-02-08 05:30:57,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IIcfgJoinTransitionThreadCurrent.getJoinSmtArguments()" because "" is null