./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/queue_longer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/queue_longer.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 00:54:07,471 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 00:54:07,519 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-08 00:54:07,525 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 00:54:07,527 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 00:54:07,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 00:54:07,543 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 00:54:07,543 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 00:54:07,543 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 00:54:07,543 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 00:54:07,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 00:54:07,544 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 00:54:07,544 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 00:54:07,544 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 00:54:07,544 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 00:54:07,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 00:54:07,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 00:54:07,544 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 00:54:07,544 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 00:54:07,544 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 00:54:07,545 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 00:54:07,545 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 00:54:07,545 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 00:54:07,545 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 00:54:07,545 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 00:54:07,545 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 00:54:07,545 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 00:54:07,545 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 00:54:07,545 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 00:54:07,545 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 00:54:07,545 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 00:54:07,546 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 00:54:07,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 00:54:07,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 00:54:07,546 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 00:54:07,546 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 00:54:07,546 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 00:54:07,546 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 00:54:07,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 00:54:07,546 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 00:54:07,546 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 00:54:07,546 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 00:54:07,547 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 00:54:07,547 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 [2025-02-08 00:54:07,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 00:54:07,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 00:54:07,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 00:54:07,755 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 00:54:07,755 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 00:54:07,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/queue_longer.i [2025-02-08 00:54:08,870 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4bf32c838/03866583b36e4a80afe3240055194b88/FLAGa6bbeca44 [2025-02-08 00:54:09,197 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 00:54:09,198 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/queue_longer.i [2025-02-08 00:54:09,213 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4bf32c838/03866583b36e4a80afe3240055194b88/FLAGa6bbeca44 [2025-02-08 00:54:09,440 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4bf32c838/03866583b36e4a80afe3240055194b88 [2025-02-08 00:54:09,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 00:54:09,443 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 00:54:09,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 00:54:09,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 00:54:09,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 00:54:09,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 12:54:09" (1/1) ... [2025-02-08 00:54:09,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74dc6ab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:09, skipping insertion in model container [2025-02-08 00:54:09,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 12:54:09" (1/1) ... [2025-02-08 00:54:09,486 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 00:54:09,804 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/queue_longer.i[43296,43309] [2025-02-08 00:54:09,811 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/queue_longer.i[43503,43516] [2025-02-08 00:54:09,815 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/queue_longer.i[43783,43796] [2025-02-08 00:54:09,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 00:54:09,856 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 00:54:09,887 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/queue_longer.i[43296,43309] [2025-02-08 00:54:09,888 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/queue_longer.i[43503,43516] [2025-02-08 00:54:09,888 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/queue_longer.i[43783,43796] [2025-02-08 00:54:09,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 00:54:09,976 INFO L204 MainTranslator]: Completed translation [2025-02-08 00:54:09,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:09 WrapperNode [2025-02-08 00:54:09,977 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 00:54:09,978 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 00:54:09,979 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 00:54:09,979 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 00:54:09,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:09" (1/1) ... [2025-02-08 00:54:10,011 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:09" (1/1) ... [2025-02-08 00:54:10,081 INFO L138 Inliner]: procedures = 274, calls = 856, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1034 [2025-02-08 00:54:10,081 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 00:54:10,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 00:54:10,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 00:54:10,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 00:54:10,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:09" (1/1) ... [2025-02-08 00:54:10,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:09" (1/1) ... [2025-02-08 00:54:10,106 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:09" (1/1) ... [2025-02-08 00:54:10,143 INFO L175 MemorySlicer]: Split 844 memory accesses to 4 slices as follows [2, 5, 403, 434]. 51 percent of accesses are in the largest equivalence class. The 810 initializations are split as follows [2, 5, 400, 403]. The 16 writes are split as follows [0, 0, 2, 14]. [2025-02-08 00:54:10,144 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:09" (1/1) ... [2025-02-08 00:54:10,144 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:09" (1/1) ... [2025-02-08 00:54:10,177 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:09" (1/1) ... [2025-02-08 00:54:10,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:09" (1/1) ... [2025-02-08 00:54:10,185 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:09" (1/1) ... [2025-02-08 00:54:10,189 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:09" (1/1) ... [2025-02-08 00:54:10,197 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 00:54:10,198 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 00:54:10,198 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 00:54:10,198 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 00:54:10,199 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:09" (1/1) ... [2025-02-08 00:54:10,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 00:54:10,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 00:54:10,223 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 00:54:10,225 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 00:54:10,241 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2025-02-08 00:54:10,241 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2025-02-08 00:54:10,241 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2025-02-08 00:54:10,242 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2025-02-08 00:54:10,242 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 00:54:10,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 00:54:10,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 00:54:10,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 00:54:10,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 00:54:10,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 00:54:10,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 00:54:10,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 00:54:10,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 00:54:10,242 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 00:54:10,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 00:54:10,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 00:54:10,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 00:54:10,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 00:54:10,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 00:54:10,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 00:54:10,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 00:54:10,243 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 00:54:10,365 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 00:54:10,366 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 00:54:11,140 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1: havoc main_#t~ret64#1, main_#t~pre65#1, main_#t~nondet66#1, main_#t~pre67#1, main_#t~nondet68#1, main_~id1~0#1, main_~id2~0#1;assume { :end_inline_main } true; [2025-02-08 00:54:11,141 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-1: #t~ret69#1 := main_#res#1; [2025-02-08 00:54:11,141 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058: assume -1 == (if 0 == main_#t~ret64#1 then 1 else 0); [2025-02-08 00:54:11,141 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058: assume !(-1 == (if 0 == main_#t~ret64#1 then 1 else 0)); [2025-02-08 00:54:11,141 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058-1: havoc main_#t~ret64#1; [2025-02-08 00:54:11,141 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058-2: havoc main_#t~ret64#1; [2025-02-08 00:54:11,142 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058-3: assume { :end_inline_empty } true;assume -2147483648 <= main_#t~ret64#1 && main_#t~ret64#1 <= 2147483647; [2025-02-08 00:54:11,142 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058-4: havoc empty_#in~q#1.base, empty_#in~q#1.offset; [2025-02-08 00:54:11,142 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058-5: havoc empty_#t~mem31#1, empty_#t~mem32#1, empty_#t~ret33#1, empty_~q#1.base, empty_~q#1.offset; [2025-02-08 00:54:11,142 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058-6: main_#t~ret64#1 := empty_#res#1; [2025-02-08 00:54:11,142 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1059: assume false; [2025-02-08 00:54:11,142 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1059: assume !false; [2025-02-08 00:54:11,142 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1059-1: assume false; [2025-02-08 00:54:11,142 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1061: #pthreadsMutex := #pthreadsMutex[~#m~0.base,~#m~0.offset := 0]; [2025-02-08 00:54:11,142 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062: havoc main_#t~nondet66#1; [2025-02-08 00:54:11,142 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062-1: havoc main_#t~pre65#1; [2025-02-08 00:54:11,142 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062-2: fork main_#t~pre65#1, 0 t1(~#queue~0.base, ~#queue~0.offset); [2025-02-08 00:54:11,142 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062-3: main_~id1~0#1 := main_#t~pre65#1; [2025-02-08 00:54:11,142 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062-4: #pthreadsForks := 1 + #pthreadsForks; [2025-02-08 00:54:11,143 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062-5: main_#t~pre65#1 := #pthreadsForks; [2025-02-08 00:54:11,143 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063: havoc main_#t~nondet68#1; [2025-02-08 00:54:11,143 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-1: havoc main_#t~pre67#1; [2025-02-08 00:54:11,143 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-2: fork main_#t~pre67#1, 0, 0 t2(~#queue~0.base, ~#queue~0.offset); [2025-02-08 00:54:11,143 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-3: main_~id2~0#1 := main_#t~pre67#1; [2025-02-08 00:54:11,143 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-4: #pthreadsForks := 1 + #pthreadsForks; [2025-02-08 00:54:11,143 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-5: main_#t~pre67#1 := #pthreadsForks; [2025-02-08 00:54:11,143 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1064: join main_~id1~0#1, 0; [2025-02-08 00:54:11,143 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1065: join main_~id2~0#1, 0, 0; [2025-02-08 00:54:11,143 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1066: main_#res#1 := 0; [2025-02-08 00:54:11,143 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-08 00:54:11,242 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018: assume ~i~0#1 < 399; [2025-02-08 00:54:11,242 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018: assume !(~i~0#1 < 399); [2025-02-08 00:54:11,242 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-1: havoc #t~post58#1; [2025-02-08 00:54:11,242 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-2: ~i~0#1 := 1 + #t~post58#1; [2025-02-08 00:54:11,242 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-3: #t~post58#1 := ~i~0#1; [2025-02-08 00:54:11,243 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-4: ~i~0#1 := 0; [2025-02-08 00:54:11,243 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1027: ~dequeue_flag~0 := 1; [2025-02-08 00:54:11,243 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L978: enqueue_~x#1 := enqueue_#in~x#1; [2025-02-08 00:54:11,243 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L978-1: enqueue_~q#1.base, enqueue_~q#1.offset := enqueue_#in~q#1.base, enqueue_#in~q#1.offset; [2025-02-08 00:54:11,243 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020: havoc #t~ret54#1; [2025-02-08 00:54:11,243 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-1: [2025-02-08 00:54:11,243 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-2: SUMMARY for call #t~ret54#1 := #PthreadsMutexLock(~#m~0.base, ~#m~0.offset); srcloc: null [2025-02-08 00:54:11,243 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-3: [2025-02-08 00:54:11,243 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029: havoc #t~ret57#1; [2025-02-08 00:54:11,243 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029-1: [2025-02-08 00:54:11,243 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029-2: SUMMARY for call #t~ret57#1 := #PthreadsMutexUnlock(~#m~0.base, ~#m~0.offset); srcloc: null [2025-02-08 00:54:11,244 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029-3: [2025-02-08 00:54:11,244 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1021: assume 0 != ~enqueue_flag~0 % 256; [2025-02-08 00:54:11,244 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1021: assume !(0 != ~enqueue_flag~0 % 256); [2025-02-08 00:54:11,244 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L988: havoc enqueue_#t~post41#1; [2025-02-08 00:54:11,244 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-1: havoc enqueue_#t~mem40#1; [2025-02-08 00:54:11,244 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-2: SUMMARY for call write~int#3(1 + enqueue_#t~post41#1, enqueue_~q#1.base, 1604 + enqueue_~q#1.offset, 4); srcloc: null [2025-02-08 00:54:11,244 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-3: enqueue_#t~post41#1 := enqueue_#t~mem40#1; [2025-02-08 00:54:11,244 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-4: SUMMARY for call enqueue_#t~mem40#1 := read~int#3(enqueue_~q#1.base, 1604 + enqueue_~q#1.offset, 4); srcloc: null [2025-02-08 00:54:11,244 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L980: havoc enqueue_#t~mem36#1; [2025-02-08 00:54:11,244 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L980-1: SUMMARY for call write~int#3(enqueue_~x#1, enqueue_~q#1.base, enqueue_~q#1.offset + 4 * enqueue_#t~mem36#1, 4); srcloc: null [2025-02-08 00:54:11,244 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L980-2: SUMMARY for call enqueue_#t~mem36#1 := read~int#3(enqueue_~q#1.base, 1604 + enqueue_~q#1.offset, 4); srcloc: null [2025-02-08 00:54:11,244 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint t1FINAL: assume true; [2025-02-08 00:54:11,244 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014: assume 0 != #t~ret52#1; [2025-02-08 00:54:11,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014: assume !(0 != #t~ret52#1); [2025-02-08 00:54:11,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L981: havoc enqueue_#t~post38#1; [2025-02-08 00:54:11,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-1: havoc #t~ret52#1; [2025-02-08 00:54:11,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L981-1: havoc enqueue_#t~mem37#1; [2025-02-08 00:54:11,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-2: havoc #t~ret52#1; [2025-02-08 00:54:11,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L981-2: SUMMARY for call write~int#3(1 + enqueue_#t~post38#1, enqueue_~q#1.base, 1608 + enqueue_~q#1.offset, 4); srcloc: null [2025-02-08 00:54:11,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-3: assume { :end_inline_empty } true;assume -2147483648 <= #t~ret52#1 && #t~ret52#1 <= 2147483647; [2025-02-08 00:54:11,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L981-3: enqueue_#t~post38#1 := enqueue_#t~mem37#1; [2025-02-08 00:54:11,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-4: havoc empty_#in~q#1.base, empty_#in~q#1.offset; [2025-02-08 00:54:11,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L981-4: SUMMARY for call enqueue_#t~mem37#1 := read~int#3(enqueue_~q#1.base, 1608 + enqueue_~q#1.offset, 4); srcloc: null [2025-02-08 00:54:11,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-5: havoc empty_#t~mem31#1, empty_#t~mem32#1, empty_#t~ret33#1, empty_~q#1.base, empty_~q#1.offset; [2025-02-08 00:54:11,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-6: #t~ret52#1 := empty_#res#1; [2025-02-08 00:54:11,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031: #res#1.base, #res#1.offset := 0, 0; [2025-02-08 00:54:11,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1023: havoc #t~nondet55#1; [2025-02-08 00:54:11,246 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1023-1: ~value~0#1 := #t~nondet55#1; [2025-02-08 00:54:11,246 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L990-1: enqueue_#res#1 := 0; [2025-02-08 00:54:11,246 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1023-2: assume -2147483648 <= #t~nondet55#1 && #t~nondet55#1 <= 2147483647; [2025-02-08 00:54:11,246 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1023-3: havoc #t~nondet55#1; [2025-02-08 00:54:11,246 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L982: assume 400 == enqueue_#t~mem39#1; [2025-02-08 00:54:11,246 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L982: assume !(400 == enqueue_#t~mem39#1); [2025-02-08 00:54:11,246 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L982-1: havoc enqueue_#t~mem39#1; [2025-02-08 00:54:11,246 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L982-2: havoc enqueue_#t~mem39#1; [2025-02-08 00:54:11,246 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L982-3: SUMMARY for call enqueue_#t~mem39#1 := read~int#3(enqueue_~q#1.base, 1604 + enqueue_~q#1.offset, 4); srcloc: null [2025-02-08 00:54:11,246 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032: assume false; [2025-02-08 00:54:11,246 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032: assume !false; [2025-02-08 00:54:11,246 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-1: assume false; [2025-02-08 00:54:11,246 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024: havoc #t~ret56#1; [2025-02-08 00:54:11,246 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024-1: assume { :end_inline_enqueue } true;assume -2147483648 <= #t~ret56#1 && #t~ret56#1 <= 2147483647; [2025-02-08 00:54:11,247 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024-2: havoc enqueue_#in~q#1.base, enqueue_#in~q#1.offset, enqueue_#in~x#1; [2025-02-08 00:54:11,247 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024-3: 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 00:54:11,247 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024-4: #t~ret56#1 := enqueue_#res#1; [2025-02-08 00:54:11,247 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024-5: 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 00:54:11,247 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024-6: havoc enqueue_#res#1; [2025-02-08 00:54:11,247 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024-7: assume { :begin_inline_enqueue } true;enqueue_#in~q#1.base, enqueue_#in~q#1.offset, enqueue_#in~x#1 := ~#queue~0.base, ~#queue~0.offset, ~value~0#1; [2025-02-08 00:54:11,247 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1025: ~enqueue_flag~0 := 0; [2025-02-08 00:54:11,247 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1025-1: SUMMARY for call write~int#2(~value~0#1, ~#stored_elements~0.base, ~#stored_elements~0.offset + 4 * (1 + ~i~0#1), 4); srcloc: null [2025-02-08 00:54:11,247 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017: havoc #t~ret53#1; [2025-02-08 00:54:11,247 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L984: SUMMARY for call write~int#3(1, enqueue_~q#1.base, 1604 + enqueue_~q#1.offset, 4); srcloc: null [2025-02-08 00:54:11,247 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-1: [2025-02-08 00:54:11,247 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-2: SUMMARY for call #t~ret53#1 := #PthreadsMutexUnlock(~#m~0.base, ~#m~0.offset); srcloc: null [2025-02-08 00:54:11,247 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-3: [2025-02-08 00:54:11,298 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1043: assume false; [2025-02-08 00:54:11,298 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1043: assume !false; [2025-02-08 00:54:11,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1043-1: assume false; [2025-02-08 00:54:11,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1045: ~dequeue_flag~0 := 0; [2025-02-08 00:54:11,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1046: ~enqueue_flag~0 := 1; [2025-02-08 00:54:11,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042: havoc #t~mem61#1; [2025-02-08 00:54:11,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-1: havoc #t~mem61#1; [2025-02-08 00:54:11,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-2: assume (if 0 == #t~ret60#1 then 1 else 0) == #t~mem61#1; [2025-02-08 00:54:11,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-2: assume !((if 0 == #t~ret60#1 then 1 else 0) == #t~mem61#1); [2025-02-08 00:54:11,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-3: havoc #t~ret60#1; [2025-02-08 00:54:11,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-4: havoc #t~ret60#1; [2025-02-08 00:54:11,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-5: SUMMARY for call #t~mem61#1 := read~int#2(~#stored_elements~0.base, ~#stored_elements~0.offset + 4 * ~i~1#1, 4); srcloc: null [2025-02-08 00:54:11,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-6: assume { :end_inline_dequeue } true;assume -2147483648 <= #t~ret60#1 && #t~ret60#1 <= 2147483647; [2025-02-08 00:54:11,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-7: havoc dequeue_#in~q#1.base, dequeue_#in~q#1.offset; [2025-02-08 00:54:11,299 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-8: 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 00:54:11,300 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-9: #t~ret60#1 := dequeue_#res#1; [2025-02-08 00:54:11,300 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 00:54:11,300 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 00:54:16,297 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 00:54:16,298 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 00:54:16,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 12:54:16 BoogieIcfgContainer [2025-02-08 00:54:16,298 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 00:54:16,299 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 00:54:16,299 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 00:54:16,302 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 00:54:16,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 12:54:09" (1/3) ... [2025-02-08 00:54:16,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69d14135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 12:54:16, skipping insertion in model container [2025-02-08 00:54:16,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:09" (2/3) ... [2025-02-08 00:54:16,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69d14135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 12:54:16, skipping insertion in model container [2025-02-08 00:54:16,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 12:54:16" (3/3) ... [2025-02-08 00:54:16,304 INFO L128 eAbstractionObserver]: Analyzing ICFG queue_longer.i [2025-02-08 00:54:16,313 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 00:54:16,316 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG queue_longer.i that has 3 procedures, 19 locations, 1 initial locations, 2 loop locations, and 3 error locations. [2025-02-08 00:54:16,316 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 00:54:16,346 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 00:54:16,352 INFO L158 Benchmark]: Toolchain (without parser) took 6908.61ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 104.2MB in the beginning and 449.1MB in the end (delta: -344.9MB). Peak memory consumption was 810.2MB. Max. memory is 16.1GB. [2025-02-08 00:54:16,353 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 00:54:16,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 533.86ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 66.2MB in the end (delta: 38.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-08 00:54:16,354 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.65ms. Allocated memory is still 142.6MB. Free memory was 66.2MB in the beginning and 56.8MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 00:54:16,354 INFO L158 Benchmark]: Boogie Preprocessor took 116.11ms. Allocated memory is still 142.6MB. Free memory was 56.8MB in the beginning and 49.4MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 00:54:16,354 INFO L158 Benchmark]: IcfgBuilder took 6100.03ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 49.4MB in the beginning and 465.9MB in the end (delta: -416.5MB). Peak memory consumption was 801.8MB. Max. memory is 16.1GB. [2025-02-08 00:54:16,355 INFO L158 Benchmark]: TraceAbstraction took 51.62ms. Allocated memory is still 1.3GB. Free memory was 465.9MB in the beginning and 449.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 00:54:16,357 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 533.86ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 66.2MB in the end (delta: 38.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.65ms. Allocated memory is still 142.6MB. Free memory was 66.2MB in the beginning and 56.8MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.11ms. Allocated memory is still 142.6MB. Free memory was 56.8MB in the beginning and 49.4MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 6100.03ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 49.4MB in the beginning and 465.9MB in the end (delta: -416.5MB). Peak memory consumption was 801.8MB. Max. memory is 16.1GB. * TraceAbstraction took 51.62ms. Allocated memory is still 1.3GB. Free memory was 465.9MB in the beginning and 449.1MB in the end (delta: 16.8MB). 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 00:54:16,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/queue_longer.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 00:54:18,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 00:54:18,573 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-08 00:54:18,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 00:54:18,580 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 00:54:18,604 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 00:54:18,605 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 00:54:18,605 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 00:54:18,606 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 00:54:18,606 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 00:54:18,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 00:54:18,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 00:54:18,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 00:54:18,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 00:54:18,607 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 00:54:18,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 00:54:18,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 00:54:18,608 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 00:54:18,608 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 00:54:18,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 00:54:18,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 00:54:18,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 00:54:18,608 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 00:54:18,608 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 00:54:18,609 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-08 00:54:18,609 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-08 00:54:18,609 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 00:54:18,609 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 00:54:18,609 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 00:54:18,609 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 00:54:18,609 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 00:54:18,609 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 00:54:18,609 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 00:54:18,609 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 00:54:18,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 00:54:18,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 00:54:18,610 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 00:54:18,610 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 00:54:18,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 00:54:18,610 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-08 00:54:18,610 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-08 00:54:18,610 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 00:54:18,611 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 00:54:18,611 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 00:54:18,611 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 00:54:18,611 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 [2025-02-08 00:54:18,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 00:54:18,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 00:54:18,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 00:54:18,857 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 00:54:18,857 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 00:54:18,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/queue_longer.i [2025-02-08 00:54:20,025 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/42d984a40/a03006b8eab649c5b5b88e11da6eef55/FLAGb07a80532 [2025-02-08 00:54:20,250 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 00:54:20,253 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/queue_longer.i [2025-02-08 00:54:20,265 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/42d984a40/a03006b8eab649c5b5b88e11da6eef55/FLAGb07a80532 [2025-02-08 00:54:20,576 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/42d984a40/a03006b8eab649c5b5b88e11da6eef55 [2025-02-08 00:54:20,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 00:54:20,581 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 00:54:20,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 00:54:20,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 00:54:20,585 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 00:54:20,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 12:54:20" (1/1) ... [2025-02-08 00:54:20,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@491e8e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:20, skipping insertion in model container [2025-02-08 00:54:20,588 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 12:54:20" (1/1) ... [2025-02-08 00:54:20,618 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 00:54:20,890 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/queue_longer.i[43296,43309] [2025-02-08 00:54:20,897 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/queue_longer.i[43503,43516] [2025-02-08 00:54:20,899 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/queue_longer.i[43783,43796] [2025-02-08 00:54:20,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 00:54:20,955 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 00:54:21,004 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/queue_longer.i[43296,43309] [2025-02-08 00:54:21,005 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/queue_longer.i[43503,43516] [2025-02-08 00:54:21,006 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/queue_longer.i[43783,43796] [2025-02-08 00:54:21,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 00:54:21,109 INFO L204 MainTranslator]: Completed translation [2025-02-08 00:54:21,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:21 WrapperNode [2025-02-08 00:54:21,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 00:54:21,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 00:54:21,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 00:54:21,111 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 00:54:21,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:21" (1/1) ... [2025-02-08 00:54:21,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:21" (1/1) ... [2025-02-08 00:54:21,195 INFO L138 Inliner]: procedures = 278, calls = 856, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1028 [2025-02-08 00:54:21,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 00:54:21,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 00:54:21,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 00:54:21,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 00:54:21,205 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:21" (1/1) ... [2025-02-08 00:54:21,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:21" (1/1) ... [2025-02-08 00:54:21,215 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:21" (1/1) ... [2025-02-08 00:54:21,272 INFO L175 MemorySlicer]: Split 844 memory accesses to 4 slices as follows [2, 5, 403, 434]. 51 percent of accesses are in the largest equivalence class. The 810 initializations are split as follows [2, 5, 400, 403]. The 16 writes are split as follows [0, 0, 2, 14]. [2025-02-08 00:54:21,276 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:21" (1/1) ... [2025-02-08 00:54:21,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:21" (1/1) ... [2025-02-08 00:54:21,307 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:21" (1/1) ... [2025-02-08 00:54:21,311 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:21" (1/1) ... [2025-02-08 00:54:21,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:21" (1/1) ... [2025-02-08 00:54:21,321 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:21" (1/1) ... [2025-02-08 00:54:21,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 00:54:21,328 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 00:54:21,328 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 00:54:21,328 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 00:54:21,329 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:21" (1/1) ... [2025-02-08 00:54:21,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 00:54:21,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 00:54:21,352 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 00:54:21,358 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 00:54:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-08 00:54:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-08 00:54:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-08 00:54:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-08 00:54:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2025-02-08 00:54:21,376 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2025-02-08 00:54:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2025-02-08 00:54:21,377 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2025-02-08 00:54:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-08 00:54:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-08 00:54:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-08 00:54:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-08 00:54:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-08 00:54:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-08 00:54:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-08 00:54:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-08 00:54:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2025-02-08 00:54:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2025-02-08 00:54:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2025-02-08 00:54:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2025-02-08 00:54:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 00:54:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 00:54:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 00:54:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 00:54:21,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 00:54:21,378 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 00:54:21,496 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 00:54:21,498 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 00:54:22,467 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1: havoc main_#t~ret64#1, main_#t~pre65#1, main_#t~nondet66#1, main_#t~pre67#1, main_#t~nondet68#1, main_~id1~0#1, main_~id2~0#1;assume { :end_inline_main } true; [2025-02-08 00:54:22,468 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-1: #t~ret69#1 := main_#res#1; [2025-02-08 00:54:22,468 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058: assume 4294967295bv32 == (if 0bv32 == main_#t~ret64#1 then 1bv32 else 0bv32); [2025-02-08 00:54:22,468 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058: assume !(4294967295bv32 == (if 0bv32 == main_#t~ret64#1 then 1bv32 else 0bv32)); [2025-02-08 00:54:22,469 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058-1: havoc main_#t~ret64#1; [2025-02-08 00:54:22,469 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058-2: havoc main_#t~ret64#1; [2025-02-08 00:54:22,469 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058-3: havoc empty_#in~q#1.base, empty_#in~q#1.offset;assume { :end_inline_empty } true; [2025-02-08 00:54:22,469 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058-4: havoc empty_#t~mem31#1, empty_#t~mem32#1, empty_#t~ret33#1, empty_~q#1.base, empty_~q#1.offset; [2025-02-08 00:54:22,469 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058-5: main_#t~ret64#1 := empty_#res#1; [2025-02-08 00:54:22,469 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1059: assume false; [2025-02-08 00:54:22,469 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1059: assume !false; [2025-02-08 00:54:22,469 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1059-1: assume false; [2025-02-08 00:54:22,470 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1061: #pthreadsMutex := #pthreadsMutex[~#m~0.base,~#m~0.offset := 0bv1]; [2025-02-08 00:54:22,470 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062: havoc main_#t~nondet66#1; [2025-02-08 00:54:22,470 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062-1: havoc main_#t~pre65#1; [2025-02-08 00:54:22,470 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062-2: fork main_#t~pre65#1, 0bv32 t1(~#queue~0.base, ~#queue~0.offset); [2025-02-08 00:54:22,470 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062-3: main_~id1~0#1 := main_#t~pre65#1; [2025-02-08 00:54:22,470 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062-4: #pthreadsForks := ~bvadd~32(1bv32, #pthreadsForks); [2025-02-08 00:54:22,470 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062-5: main_#t~pre65#1 := #pthreadsForks; [2025-02-08 00:54:22,470 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063: havoc main_#t~nondet68#1; [2025-02-08 00:54:22,470 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-1: havoc main_#t~pre67#1; [2025-02-08 00:54:22,470 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-2: fork main_#t~pre67#1, 0bv32, 0bv32 t2(~#queue~0.base, ~#queue~0.offset); [2025-02-08 00:54:22,470 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-3: main_~id2~0#1 := main_#t~pre67#1; [2025-02-08 00:54:22,470 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-4: #pthreadsForks := ~bvadd~32(1bv32, #pthreadsForks); [2025-02-08 00:54:22,470 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-5: main_#t~pre67#1 := #pthreadsForks; [2025-02-08 00:54:22,470 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1064: join main_~id1~0#1, 0bv32; [2025-02-08 00:54:22,471 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1065: join main_~id2~0#1, 0bv32, 0bv32; [2025-02-08 00:54:22,471 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1066: main_#res#1 := 0bv32; [2025-02-08 00:54:22,471 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-08 00:54:22,582 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018: assume ~bvslt~32(~i~0#1, 399bv32); [2025-02-08 00:54:22,582 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018: assume !~bvslt~32(~i~0#1, 399bv32); [2025-02-08 00:54:22,582 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-1: havoc #t~post58#1; [2025-02-08 00:54:22,582 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-2: ~i~0#1 := ~bvadd~32(1bv32, #t~post58#1); [2025-02-08 00:54:22,582 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-3: #t~post58#1 := ~i~0#1; [2025-02-08 00:54:22,582 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-4: ~i~0#1 := 0bv32; [2025-02-08 00:54:22,582 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1027: ~dequeue_flag~0 := 1bv8; [2025-02-08 00:54:22,582 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L978: enqueue_~x#1 := enqueue_#in~x#1; [2025-02-08 00:54:22,582 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L978-1: enqueue_~q#1.base, enqueue_~q#1.offset := enqueue_#in~q#1.base, enqueue_#in~q#1.offset; [2025-02-08 00:54:22,582 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020: havoc #t~ret54#1; [2025-02-08 00:54:22,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-1: [2025-02-08 00:54:22,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-2: SUMMARY for call #t~ret54#1 := #PthreadsMutexLock(~#m~0.base, ~#m~0.offset); srcloc: null [2025-02-08 00:54:22,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-3: [2025-02-08 00:54:22,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029: havoc #t~ret57#1; [2025-02-08 00:54:22,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029-1: [2025-02-08 00:54:22,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029-2: SUMMARY for call #t~ret57#1 := #PthreadsMutexUnlock(~#m~0.base, ~#m~0.offset); srcloc: null [2025-02-08 00:54:22,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029-3: [2025-02-08 00:54:22,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1021: assume 0bv8 != ~enqueue_flag~0; [2025-02-08 00:54:22,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1021: assume !(0bv8 != ~enqueue_flag~0); [2025-02-08 00:54:22,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L988: havoc enqueue_#t~post41#1; [2025-02-08 00:54:22,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-1: havoc enqueue_#t~mem40#1; [2025-02-08 00:54:22,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-2: SUMMARY for call write~intINTTYPE4#3(~bvadd~32(1bv32, enqueue_#t~post41#1), enqueue_~q#1.base, ~bvadd~32(1604bv32, enqueue_~q#1.offset), 4bv32); srcloc: null [2025-02-08 00:54:22,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-3: enqueue_#t~post41#1 := enqueue_#t~mem40#1; [2025-02-08 00:54:22,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-4: SUMMARY for call enqueue_#t~mem40#1 := read~intINTTYPE4#3(enqueue_~q#1.base, ~bvadd~32(1604bv32, enqueue_~q#1.offset), 4bv32); srcloc: null [2025-02-08 00:54:22,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L980: havoc enqueue_#t~mem36#1; [2025-02-08 00:54:22,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L980-1: SUMMARY for call write~intINTTYPE4#3(enqueue_~x#1, enqueue_~q#1.base, ~bvadd~32(enqueue_~q#1.offset, ~bvmul~32(4bv32, enqueue_#t~mem36#1)), 4bv32); srcloc: null [2025-02-08 00:54:22,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L980-2: SUMMARY for call enqueue_#t~mem36#1 := read~intINTTYPE4#3(enqueue_~q#1.base, ~bvadd~32(1604bv32, enqueue_~q#1.offset), 4bv32); srcloc: null [2025-02-08 00:54:22,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint t1FINAL: assume true; [2025-02-08 00:54:22,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014: assume 0bv32 != #t~ret52#1; [2025-02-08 00:54:22,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014: assume !(0bv32 != #t~ret52#1); [2025-02-08 00:54:22,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L981: havoc enqueue_#t~post38#1; [2025-02-08 00:54:22,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-1: havoc #t~ret52#1; [2025-02-08 00:54:22,583 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L981-1: havoc enqueue_#t~mem37#1; [2025-02-08 00:54:22,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-2: havoc #t~ret52#1; [2025-02-08 00:54:22,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L981-2: SUMMARY for call write~intINTTYPE4#3(~bvadd~32(1bv32, enqueue_#t~post38#1), enqueue_~q#1.base, ~bvadd~32(1608bv32, enqueue_~q#1.offset), 4bv32); srcloc: null [2025-02-08 00:54:22,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-3: havoc empty_#in~q#1.base, empty_#in~q#1.offset;assume { :end_inline_empty } true; [2025-02-08 00:54:22,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L981-3: enqueue_#t~post38#1 := enqueue_#t~mem37#1; [2025-02-08 00:54:22,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-4: havoc empty_#t~mem31#1, empty_#t~mem32#1, empty_#t~ret33#1, empty_~q#1.base, empty_~q#1.offset; [2025-02-08 00:54:22,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L981-4: SUMMARY for call enqueue_#t~mem37#1 := read~intINTTYPE4#3(enqueue_~q#1.base, ~bvadd~32(1608bv32, enqueue_~q#1.offset), 4bv32); srcloc: null [2025-02-08 00:54:22,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-5: #t~ret52#1 := empty_#res#1; [2025-02-08 00:54:22,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031: #res#1.base, #res#1.offset := 0bv32, 0bv32; [2025-02-08 00:54:22,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1023: havoc #t~nondet55#1; [2025-02-08 00:54:22,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1023-1: ~value~0#1 := #t~nondet55#1; [2025-02-08 00:54:22,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L990-1: enqueue_#res#1 := 0bv32; [2025-02-08 00:54:22,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1023-2: havoc #t~nondet55#1; [2025-02-08 00:54:22,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L982: assume 400bv32 == enqueue_#t~mem39#1; [2025-02-08 00:54:22,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L982: assume !(400bv32 == enqueue_#t~mem39#1); [2025-02-08 00:54:22,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L982-1: havoc enqueue_#t~mem39#1; [2025-02-08 00:54:22,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L982-2: havoc enqueue_#t~mem39#1; [2025-02-08 00:54:22,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L982-3: SUMMARY for call enqueue_#t~mem39#1 := read~intINTTYPE4#3(enqueue_~q#1.base, ~bvadd~32(1604bv32, enqueue_~q#1.offset), 4bv32); srcloc: null [2025-02-08 00:54:22,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032: assume false; [2025-02-08 00:54:22,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032: assume !false; [2025-02-08 00:54:22,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-1: assume false; [2025-02-08 00:54:22,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024: assume { :end_inline_enqueue } true;havoc #t~ret56#1; [2025-02-08 00:54:22,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024-1: havoc enqueue_#in~q#1.base, enqueue_#in~q#1.offset, enqueue_#in~x#1; [2025-02-08 00:54:22,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024-2: 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 00:54:22,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024-3: #t~ret56#1 := enqueue_#res#1; [2025-02-08 00:54:22,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024-4: 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 00:54:22,586 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024-5: havoc enqueue_#res#1; [2025-02-08 00:54:22,586 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024-6: assume { :begin_inline_enqueue } true;enqueue_#in~q#1.base, enqueue_#in~q#1.offset, enqueue_#in~x#1 := ~#queue~0.base, ~#queue~0.offset, ~value~0#1; [2025-02-08 00:54:22,586 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1025: ~enqueue_flag~0 := 0bv8; [2025-02-08 00:54:22,586 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1025-1: SUMMARY for call write~intINTTYPE4#2(~value~0#1, ~#stored_elements~0.base, ~bvadd~32(~#stored_elements~0.offset, ~bvmul~32(4bv32, ~bvadd~32(1bv32, ~i~0#1))), 4bv32); srcloc: null [2025-02-08 00:54:22,586 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017: havoc #t~ret53#1; [2025-02-08 00:54:22,586 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L984: SUMMARY for call write~intINTTYPE4#3(1bv32, enqueue_~q#1.base, ~bvadd~32(1604bv32, enqueue_~q#1.offset), 4bv32); srcloc: null [2025-02-08 00:54:22,586 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-1: [2025-02-08 00:54:22,587 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-2: SUMMARY for call #t~ret53#1 := #PthreadsMutexUnlock(~#m~0.base, ~#m~0.offset); srcloc: null [2025-02-08 00:54:22,587 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-3: [2025-02-08 00:54:22,622 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1043: assume false; [2025-02-08 00:54:22,623 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1043: assume !false; [2025-02-08 00:54:22,623 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1043-1: assume false; [2025-02-08 00:54:22,623 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1045: ~dequeue_flag~0 := 0bv8; [2025-02-08 00:54:22,623 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1046: ~enqueue_flag~0 := 1bv8; [2025-02-08 00:54:22,623 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042: havoc #t~mem61#1; [2025-02-08 00:54:22,623 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-1: havoc #t~mem61#1; [2025-02-08 00:54:22,623 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-2: assume (if 0bv32 == #t~ret60#1 then 1bv32 else 0bv32) == #t~mem61#1; [2025-02-08 00:54:22,623 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-2: assume !((if 0bv32 == #t~ret60#1 then 1bv32 else 0bv32) == #t~mem61#1); [2025-02-08 00:54:22,623 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-3: havoc #t~ret60#1; [2025-02-08 00:54:22,623 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-4: havoc #t~ret60#1; [2025-02-08 00:54:22,623 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-5: SUMMARY for call #t~mem61#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 00:54:22,623 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-6: havoc dequeue_#in~q#1.base, dequeue_#in~q#1.offset;assume { :end_inline_dequeue } true; [2025-02-08 00:54:22,623 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-7: 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 00:54:22,623 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-8: #t~ret60#1 := dequeue_#res#1; [2025-02-08 00:54:22,624 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 00:54:22,624 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 00:54:31,025 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 00:54:31,025 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 00:54:31,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 12:54:31 BoogieIcfgContainer [2025-02-08 00:54:31,026 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 00:54:31,028 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 00:54:31,028 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 00:54:31,031 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 00:54:31,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 12:54:20" (1/3) ... [2025-02-08 00:54:31,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de045ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 12:54:31, skipping insertion in model container [2025-02-08 00:54:31,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:21" (2/3) ... [2025-02-08 00:54:31,032 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de045ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 12:54:31, skipping insertion in model container [2025-02-08 00:54:31,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 12:54:31" (3/3) ... [2025-02-08 00:54:31,033 INFO L128 eAbstractionObserver]: Analyzing ICFG queue_longer.i [2025-02-08 00:54:31,043 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 00:54:31,045 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG queue_longer.i that has 3 procedures, 19 locations, 1 initial locations, 2 loop locations, and 3 error locations. [2025-02-08 00:54:31,045 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 00:54:31,080 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 00:54:31,084 INFO L158 Benchmark]: Toolchain (without parser) took 10502.66ms. Allocated memory was 117.4MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 91.5MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 883.7MB. Max. memory is 16.1GB. [2025-02-08 00:54:31,084 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory is still 63.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 00:54:31,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 528.54ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 49.0MB in the end (delta: 42.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-08 00:54:31,085 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.96ms. Allocated memory is still 117.4MB. Free memory was 49.0MB in the beginning and 40.0MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 00:54:31,085 INFO L158 Benchmark]: Boogie Preprocessor took 130.96ms. Allocated memory is still 117.4MB. Free memory was 40.0MB in the beginning and 81.9MB in the end (delta: -41.9MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2025-02-08 00:54:31,086 INFO L158 Benchmark]: IcfgBuilder took 9698.04ms. Allocated memory was 117.4MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 81.9MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2025-02-08 00:54:31,086 INFO L158 Benchmark]: TraceAbstraction took 55.36ms. Allocated memory is still 2.8GB. Free memory was 1.9GB in the beginning and 1.9GB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-08 00:54:31,087 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory is still 63.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 528.54ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 49.0MB in the end (delta: 42.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.96ms. Allocated memory is still 117.4MB. Free memory was 49.0MB in the beginning and 40.0MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.96ms. Allocated memory is still 117.4MB. Free memory was 40.0MB in the beginning and 81.9MB in the end (delta: -41.9MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * IcfgBuilder took 9698.04ms. Allocated memory was 117.4MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 81.9MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * TraceAbstraction took 55.36ms. Allocated memory is still 2.8GB. Free memory was 1.9GB in the beginning and 1.9GB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. 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 00:54:31,102 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.IIcfgForkTransitionThreadCurrent.getNameOfForkedProcedure()" because "" is null