./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/queue_ok_longest.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_ok_longest.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 0e9bc4a9a6dcd238ac18925269a0bd7c8c54c2dafb57744151e37b58cf6eab8d --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 00:54:42,428 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 00:54:42,499 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-08 00:54:42,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 00:54:42,505 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 00:54:42,527 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 00:54:42,528 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 00:54:42,528 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 00:54:42,529 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 00:54:42,529 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 00:54:42,530 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 00:54:42,530 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 00:54:42,530 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 00:54:42,530 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 00:54:42,530 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 00:54:42,530 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 00:54:42,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 00:54:42,531 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 00:54:42,531 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 00:54:42,531 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 00:54:42,531 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 00:54:42,531 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 00:54:42,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 00:54:42,532 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 00:54:42,532 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 00:54:42,532 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 00:54:42,532 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 00:54:42,532 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 00:54:42,532 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 00:54:42,532 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 00:54:42,532 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 00:54:42,533 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 00:54:42,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 00:54:42,533 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 00:54:42,533 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 00:54:42,534 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 00:54:42,534 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 00:54:42,534 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 00:54:42,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 00:54:42,534 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 00:54:42,534 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 00:54:42,534 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 00:54:42,534 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 00:54:42,534 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 -> 0e9bc4a9a6dcd238ac18925269a0bd7c8c54c2dafb57744151e37b58cf6eab8d [2025-02-08 00:54:42,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 00:54:42,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 00:54:42,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 00:54:42,810 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 00:54:42,810 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 00:54:42,812 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/queue_ok_longest.i [2025-02-08 00:54:44,094 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bdb7900da/2368ac8c077f47c6b97fdb451172ff2b/FLAG8b631ff34 [2025-02-08 00:54:44,486 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 00:54:44,488 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/queue_ok_longest.i [2025-02-08 00:54:44,507 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bdb7900da/2368ac8c077f47c6b97fdb451172ff2b/FLAG8b631ff34 [2025-02-08 00:54:44,526 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bdb7900da/2368ac8c077f47c6b97fdb451172ff2b [2025-02-08 00:54:44,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 00:54:44,531 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 00:54:44,532 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 00:54:44,532 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 00:54:44,535 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 00:54:44,536 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 12:54:44" (1/1) ... [2025-02-08 00:54:44,537 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a0d3c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:44, skipping insertion in model container [2025-02-08 00:54:44,537 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 12:54:44" (1/1) ... [2025-02-08 00:54:44,580 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 00:54:45,049 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_ok_longest.i[43280,43293] [2025-02-08 00:54:45,056 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_ok_longest.i[43553,43566] [2025-02-08 00:54:45,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 00:54:45,113 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 00:54:45,171 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_ok_longest.i[43280,43293] [2025-02-08 00:54:45,175 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_ok_longest.i[43553,43566] [2025-02-08 00:54:45,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 00:54:45,306 INFO L204 MainTranslator]: Completed translation [2025-02-08 00:54:45,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:45 WrapperNode [2025-02-08 00:54:45,307 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 00:54:45,308 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 00:54:45,308 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 00:54:45,308 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 00:54:45,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:45" (1/1) ... [2025-02-08 00:54:45,345 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:45" (1/1) ... [2025-02-08 00:54:45,425 INFO L138 Inliner]: procedures = 274, calls = 1652, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1791 [2025-02-08 00:54:45,425 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 00:54:45,426 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 00:54:45,426 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 00:54:45,426 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 00:54:45,434 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:45" (1/1) ... [2025-02-08 00:54:45,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:45" (1/1) ... [2025-02-08 00:54:45,461 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:45" (1/1) ... [2025-02-08 00:54:45,516 INFO L175 MemorySlicer]: Split 1635 memory accesses to 4 slices as follows [2, 5, 802, 826]. 51 percent of accesses are in the largest equivalence class. The 1610 initializations are split as follows [2, 5, 800, 803]. The 11 writes are split as follows [0, 0, 1, 10]. [2025-02-08 00:54:45,516 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:45" (1/1) ... [2025-02-08 00:54:45,516 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:45" (1/1) ... [2025-02-08 00:54:45,572 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:45" (1/1) ... [2025-02-08 00:54:45,576 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:45" (1/1) ... [2025-02-08 00:54:45,587 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:45" (1/1) ... [2025-02-08 00:54:45,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:45" (1/1) ... [2025-02-08 00:54:45,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 00:54:45,607 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 00:54:45,608 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 00:54:45,608 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 00:54:45,609 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:54:45" (1/1) ... [2025-02-08 00:54:45,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 00:54:45,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 00:54:45,639 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 00:54:45,646 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 00:54:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2025-02-08 00:54:45,664 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2025-02-08 00:54:45,664 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2025-02-08 00:54:45,664 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2025-02-08 00:54:45,664 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 00:54:45,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 00:54:45,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 00:54:45,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 00:54:45,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 00:54:45,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 00:54:45,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 00:54:45,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 00:54:45,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 00:54:45,665 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 00:54:45,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 00:54:45,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 00:54:45,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 00:54:45,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 00:54:45,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 00:54:45,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 00:54:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 00:54:45,668 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 00:54:45,820 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 00:54:45,822 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 00:54:47,598 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1048: assume -1 == (if 0 == main_#t~ret60#1 then 1 else 0); [2025-02-08 00:54:47,599 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1048: assume !(-1 == (if 0 == main_#t~ret60#1 then 1 else 0)); [2025-02-08 00:54:47,599 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1048-1: havoc main_#t~ret60#1; [2025-02-08 00:54:47,599 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1048-2: havoc main_#t~ret60#1; [2025-02-08 00:54:47,599 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1048-3: assume { :end_inline_empty } true;assume -2147483648 <= main_#t~ret60#1 && main_#t~ret60#1 <= 2147483647; [2025-02-08 00:54:47,599 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1048-4: havoc empty_#in~q#1.base, empty_#in~q#1.offset; [2025-02-08 00:54:47,599 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1048-5: havoc empty_#t~mem31#1, empty_#t~mem32#1, empty_#t~ret33#1, empty_~q#1.base, empty_~q#1.offset; [2025-02-08 00:54:47,599 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1048-6: main_#t~ret60#1 := empty_#res#1; [2025-02-08 00:54:47,599 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1049: assume false; [2025-02-08 00:54:47,600 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1049: assume !false; [2025-02-08 00:54:47,600 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1049-1: assume false; [2025-02-08 00:54:47,600 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1051: #pthreadsMutex := #pthreadsMutex[~#m~0.base,~#m~0.offset := 0]; [2025-02-08 00:54:47,600 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1052: havoc main_#t~nondet62#1; [2025-02-08 00:54:47,600 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1052-1: havoc main_#t~pre61#1; [2025-02-08 00:54:47,600 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1052-2: fork main_#t~pre61#1, 0 t1(~#queue~0.base, ~#queue~0.offset); [2025-02-08 00:54:47,600 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1052-3: main_~id1~0#1 := main_#t~pre61#1; [2025-02-08 00:54:47,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1052-4: #pthreadsForks := 1 + #pthreadsForks; [2025-02-08 00:54:47,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1052-5: main_#t~pre61#1 := #pthreadsForks; [2025-02-08 00:54:47,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1053: havoc main_#t~nondet64#1; [2025-02-08 00:54:47,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1053-1: havoc main_#t~pre63#1; [2025-02-08 00:54:47,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1053-2: fork main_#t~pre63#1, 0, 0 t2(~#queue~0.base, ~#queue~0.offset); [2025-02-08 00:54:47,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1053-3: main_~id2~0#1 := main_#t~pre63#1; [2025-02-08 00:54:47,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1053-4: #pthreadsForks := 1 + #pthreadsForks; [2025-02-08 00:54:47,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1053-5: main_#t~pre63#1 := #pthreadsForks; [2025-02-08 00:54:47,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1054: join main_~id1~0#1, 0; [2025-02-08 00:54:47,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1055: join main_~id2~0#1, 0, 0; [2025-02-08 00:54:47,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1056: main_#res#1 := 0; [2025-02-08 00:54:47,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1: havoc main_#t~ret60#1, main_#t~pre61#1, main_#t~nondet62#1, main_#t~pre63#1, main_#t~nondet64#1, main_~id1~0#1, main_~id2~0#1;assume { :end_inline_main } true; [2025-02-08 00:54:47,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-1: #t~ret65#1 := main_#res#1; [2025-02-08 00:54:47,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-08 00:54:47,652 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014: havoc #t~ret51#1; [2025-02-08 00:54:47,653 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-1: assume { :end_inline_enqueue } true;assume -2147483648 <= #t~ret51#1 && #t~ret51#1 <= 2147483647; [2025-02-08 00:54:47,653 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-2: havoc enqueue_#in~q#1.base, enqueue_#in~q#1.offset, enqueue_#in~x#1; [2025-02-08 00:54:47,653 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-3: havoc enqueue_#t~mem36#1, enqueue_#t~mem37#1, enqueue_#t~post38#1, enqueue_#t~mem39#1, enqueue_#t~mem40#1, enqueue_#t~post41#1, enqueue_~q#1.base, enqueue_~q#1.offset, enqueue_~x#1; [2025-02-08 00:54:47,653 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-4: #t~ret51#1 := enqueue_#res#1; [2025-02-08 00:54:47,653 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1015: #t~post52#1 := ~i~0#1; [2025-02-08 00:54:47,653 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1015-1: SUMMARY for call write~int#2(~value~0#1, ~#stored_elements~0.base, ~#stored_elements~0.offset + 4 * ~i~0#1, 4); srcloc: null [2025-02-08 00:54:47,654 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1011-1: havoc #t~post52#1; [2025-02-08 00:54:47,654 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1011-2: ~i~0#1 := 1 + #t~post52#1; [2025-02-08 00:54:47,706 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002: SUMMARY for call write~int#3(1 + dequeue_#t~post48#1, dequeue_~q#1.base, 3200 + dequeue_~q#1.offset, 4); srcloc: null [2025-02-08 00:54:47,706 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002-1: dequeue_#t~post48#1 := dequeue_#t~mem47#1; [2025-02-08 00:54:47,706 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002-2: SUMMARY for call dequeue_#t~mem47#1 := read~int#3(dequeue_~q#1.base, 3200 + dequeue_~q#1.offset, 4); srcloc: null [2025-02-08 00:54:47,706 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031: assume -1 != #t~ret55#1; [2025-02-08 00:54:47,706 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031: assume !(-1 != #t~ret55#1); [2025-02-08 00:54:47,706 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031-1: havoc #t~ret55#1; [2025-02-08 00:54:47,706 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031-2: havoc #t~ret55#1; [2025-02-08 00:54:47,707 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031-3: assume { :end_inline_empty } true;assume -2147483648 <= #t~ret55#1 && #t~ret55#1 <= 2147483647; [2025-02-08 00:54:47,707 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031-4: havoc empty_#in~q#1.base, empty_#in~q#1.offset; [2025-02-08 00:54:47,707 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L994: havoc dequeue_~x~0#1; [2025-02-08 00:54:47,707 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031-5: havoc empty_#t~mem31#1, empty_#t~mem32#1, empty_#t~ret33#1, empty_~q#1.base, empty_~q#1.offset; [2025-02-08 00:54:47,707 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031-6: #t~ret55#1 := empty_#res#1; [2025-02-08 00:54:47,707 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1003-1: dequeue_#res#1 := dequeue_~x~0#1; [2025-02-08 00:54:47,707 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032: havoc #t~mem57#1; [2025-02-08 00:54:47,707 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-1: havoc #t~mem57#1; [2025-02-08 00:54:47,707 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L999: SUMMARY for call write~int#3(1, dequeue_~q#1.base, 3200 + dequeue_~q#1.offset, 4); srcloc: null [2025-02-08 00:54:47,707 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-2: assume (if 0 == #t~ret56#1 then 1 else 0) == #t~mem57#1; [2025-02-08 00:54:47,707 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-2: assume !((if 0 == #t~ret56#1 then 1 else 0) == #t~mem57#1); [2025-02-08 00:54:47,707 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-3: havoc #t~ret56#1; [2025-02-08 00:54:47,707 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-4: havoc #t~ret56#1; [2025-02-08 00:54:47,707 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-5: SUMMARY for call #t~mem57#1 := read~int#2(~#stored_elements~0.base, ~#stored_elements~0.offset + 4 * ~i~1#1, 4); srcloc: null [2025-02-08 00:54:47,707 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L995: havoc dequeue_#t~mem43#1; [2025-02-08 00:54:47,707 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-6: assume { :end_inline_dequeue } true;assume -2147483648 <= #t~ret56#1 && #t~ret56#1 <= 2147483647; [2025-02-08 00:54:47,707 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L995-1: havoc dequeue_#t~mem42#1; [2025-02-08 00:54:47,707 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-7: havoc dequeue_#in~q#1.base, dequeue_#in~q#1.offset; [2025-02-08 00:54:47,707 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L995-2: dequeue_~x~0#1 := dequeue_#t~mem43#1; [2025-02-08 00:54:47,707 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-8: havoc dequeue_#t~mem42#1, dequeue_#t~mem43#1, dequeue_#t~mem44#1, dequeue_#t~post45#1, dequeue_#t~mem46#1, dequeue_#t~mem47#1, dequeue_#t~post48#1, dequeue_~q#1.base, dequeue_~q#1.offset, dequeue_~x~0#1; [2025-02-08 00:54:47,707 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L995-3: SUMMARY for call dequeue_#t~mem43#1 := read~int#3(dequeue_~q#1.base, dequeue_~q#1.offset + 4 * dequeue_#t~mem42#1, 4); srcloc: null [2025-02-08 00:54:47,708 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-9: #t~ret56#1 := dequeue_#res#1; [2025-02-08 00:54:47,708 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L995-4: SUMMARY for call dequeue_#t~mem42#1 := read~int#3(dequeue_~q#1.base, 3200 + dequeue_~q#1.offset, 4); srcloc: null [2025-02-08 00:54:47,708 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-10: havoc dequeue_#t~mem42#1, dequeue_#t~mem43#1, dequeue_#t~mem44#1, dequeue_#t~post45#1, dequeue_#t~mem46#1, dequeue_#t~mem47#1, dequeue_#t~post48#1, dequeue_~q#1.base, dequeue_~q#1.offset, dequeue_~x~0#1; [2025-02-08 00:54:47,708 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-11: havoc dequeue_#res#1; [2025-02-08 00:54:47,708 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-12: assume { :begin_inline_dequeue } true;dequeue_#in~q#1.base, dequeue_#in~q#1.offset := ~#queue~0.base, ~#queue~0.offset; [2025-02-08 00:54:47,708 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1033: assume false; [2025-02-08 00:54:47,708 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1033: assume !false; [2025-02-08 00:54:47,708 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1033-1: assume false; [2025-02-08 00:54:47,708 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029-1: havoc #t~post58#1; [2025-02-08 00:54:47,708 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996: havoc dequeue_#t~post45#1; [2025-02-08 00:54:47,708 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029-2: ~i~1#1 := 1 + #t~post58#1; [2025-02-08 00:54:47,708 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-1: havoc dequeue_#t~mem44#1; [2025-02-08 00:54:47,708 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029-3: #t~post58#1 := ~i~1#1; [2025-02-08 00:54:47,708 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-2: SUMMARY for call write~int#3(dequeue_#t~post45#1 - 1, dequeue_~q#1.base, 3208 + dequeue_~q#1.offset, 4); srcloc: null [2025-02-08 00:54:47,708 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-3: dequeue_#t~post45#1 := dequeue_#t~mem44#1; [2025-02-08 00:54:47,708 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-4: SUMMARY for call dequeue_#t~mem44#1 := read~int#3(dequeue_~q#1.base, 3208 + dequeue_~q#1.offset, 4); srcloc: null [2025-02-08 00:54:47,708 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L992: dequeue_~q#1.base, dequeue_~q#1.offset := dequeue_#in~q#1.base, dequeue_#in~q#1.offset; [2025-02-08 00:54:47,708 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L997: assume 800 == dequeue_#t~mem46#1; [2025-02-08 00:54:47,708 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L997: assume !(800 == dequeue_#t~mem46#1); [2025-02-08 00:54:47,708 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L997-1: havoc dequeue_#t~mem46#1; [2025-02-08 00:54:47,708 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L997-2: havoc dequeue_#t~mem46#1; [2025-02-08 00:54:47,708 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L997-3: SUMMARY for call dequeue_#t~mem46#1 := read~int#3(dequeue_~q#1.base, 3200 + dequeue_~q#1.offset, 4); srcloc: null [2025-02-08 00:54:47,711 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 00:54:47,711 INFO L308 CfgBuilder]: Performing block encoding