./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/25_stack_longest-2.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-ext/25_stack_longest-2.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 572f30a11eb1875d022a7591921c07965188882988e15e9eab6f0a68b203b580 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 00:56:10,312 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 00:56:10,347 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-08 00:56:10,350 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 00:56:10,350 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 00:56:10,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 00:56:10,362 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 00:56:10,362 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 00:56:10,363 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 00:56:10,363 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 00:56:10,363 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 00:56:10,363 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 00:56:10,363 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 00:56:10,363 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 00:56:10,363 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 00:56:10,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 00:56:10,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 00:56:10,363 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 00:56:10,363 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 00:56:10,363 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 00:56:10,363 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 00:56:10,363 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 00:56:10,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 00:56:10,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 00:56:10,364 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 00:56:10,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 00:56:10,364 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 00:56:10,364 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 00:56:10,364 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 00:56:10,364 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 00:56:10,364 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 00:56:10,364 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 00:56:10,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 00:56:10,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 00:56:10,364 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 00:56:10,364 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 00:56:10,364 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 00:56:10,364 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 00:56:10,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 00:56:10,364 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 00:56:10,364 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 00:56:10,364 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 00:56:10,364 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 00:56:10,365 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 -> 572f30a11eb1875d022a7591921c07965188882988e15e9eab6f0a68b203b580 [2025-02-08 00:56:10,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 00:56:10,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 00:56:10,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 00:56:10,577 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 00:56:10,577 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 00:56:10,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2025-02-08 00:56:11,689 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1fd72ebe8/c871f638ea0740849f95ff422bab4a5f/FLAGa19f4acf9 [2025-02-08 00:56:11,965 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 00:56:11,967 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2025-02-08 00:56:11,978 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1fd72ebe8/c871f638ea0740849f95ff422bab4a5f/FLAGa19f4acf9 [2025-02-08 00:56:12,256 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1fd72ebe8/c871f638ea0740849f95ff422bab4a5f [2025-02-08 00:56:12,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 00:56:12,267 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 00:56:12,268 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 00:56:12,268 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 00:56:12,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 00:56:12,275 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 12:56:12" (1/1) ... [2025-02-08 00:56:12,275 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b91a4eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:56:12, skipping insertion in model container [2025-02-08 00:56:12,275 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 12:56:12" (1/1) ... [2025-02-08 00:56:12,304 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 00:56:12,533 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-ext/25_stack_longest-2.i[31351,31364] [2025-02-08 00:56:12,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 00:56:12,604 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 00:56:12,640 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-ext/25_stack_longest-2.i[31351,31364] [2025-02-08 00:56:12,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 00:56:12,680 INFO L204 MainTranslator]: Completed translation [2025-02-08 00:56:12,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:56:12 WrapperNode [2025-02-08 00:56:12,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 00:56:12,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 00:56:12,682 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 00:56:12,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 00:56:12,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:56:12" (1/1) ... [2025-02-08 00:56:12,711 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:56:12" (1/1) ... [2025-02-08 00:56:12,767 INFO L138 Inliner]: procedures = 171, calls = 35, calls flagged for inlining = 9, calls inlined = 8, statements flattened = 2047 [2025-02-08 00:56:12,767 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 00:56:12,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 00:56:12,768 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 00:56:12,768 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 00:56:12,776 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:56:12" (1/1) ... [2025-02-08 00:56:12,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:56:12" (1/1) ... [2025-02-08 00:56:12,781 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:56:12" (1/1) ... [2025-02-08 00:56:12,806 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2025-02-08 00:56:12,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:56:12" (1/1) ... [2025-02-08 00:56:12,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:56:12" (1/1) ... [2025-02-08 00:56:12,837 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:56:12" (1/1) ... [2025-02-08 00:56:12,849 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:56:12" (1/1) ... [2025-02-08 00:56:12,855 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:56:12" (1/1) ... [2025-02-08 00:56:12,859 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:56:12" (1/1) ... [2025-02-08 00:56:12,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 00:56:12,868 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 00:56:12,868 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 00:56:12,869 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 00:56:12,869 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:56:12" (1/1) ... [2025-02-08 00:56:12,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 00:56:12,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 00:56:12,893 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 00:56:12,901 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 00:56:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2025-02-08 00:56:12,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2025-02-08 00:56:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 00:56:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-08 00:56:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 00:56:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 00:56:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 00:56:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 00:56:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-08 00:56:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 00:56:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 00:56:12,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 00:56:12,917 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 00:56:12,989 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 00:56:12,991 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 00:56:13,154 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L721: havoc push_#t~ret5#1; [2025-02-08 00:56:13,154 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-1: [2025-02-08 00:56:13,154 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-2: SUMMARY for call push_#t~ret5#1 := #PthreadsMutexLock(~#m~0.base, ~#m~0.offset); srcloc: null [2025-02-08 00:56:13,154 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-3: [2025-02-08 00:56:13,155 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L722: push_~oldTop~0#1 := ~top~0; [2025-02-08 00:56:13,155 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L723: ~memory~0 := ~memory~0[1 + push_~newTop~0#1 := push_~oldTop~0#1]; [2025-02-08 00:56:13,155 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L724: ~top~0 := push_~newTop~0#1; [2025-02-08 00:56:13,155 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L716: havoc push_#t~ret4#1; [2025-02-08 00:56:13,155 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L716-1: push_~newTop~0#1 := push_#t~ret4#1; [2025-02-08 00:56:13,155 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L716-2: assume { :end_inline_index_malloc } true;assume -2147483648 <= push_#t~ret4#1 && push_#t~ret4#1 <= 2147483647; [2025-02-08 00:56:13,155 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L716-3: havoc index_malloc_#t~ret1#1, index_malloc_#t~ret2#1, index_malloc_#t~ret3#1, index_malloc_~curr_alloc_idx~0#1; [2025-02-08 00:56:13,155 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L716-4: push_#t~ret4#1 := index_malloc_#res#1; [2025-02-08 00:56:13,155 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L717: assume 0 == push_~newTop~0#1; [2025-02-08 00:56:13,156 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L717: assume !(0 == push_~newTop~0#1); [2025-02-08 00:56:13,156 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L742: havoc push_loop_#t~ret10#1; [2025-02-08 00:56:13,156 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L709: assume 0 == ~top~0; [2025-02-08 00:56:13,156 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L709: assume !(0 == ~top~0); [2025-02-08 00:56:13,156 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L742-1: push_loop_~r~0#1 := push_loop_#t~ret10#1; [2025-02-08 00:56:13,156 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L742-2: assume { :end_inline_push } true;assume -2147483648 <= push_loop_#t~ret10#1 && push_loop_#t~ret10#1 <= 2147483647; [2025-02-08 00:56:13,156 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L742-3: havoc push_#in~d#1; [2025-02-08 00:56:13,156 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L742-4: havoc push_#t~ret4#1, push_#t~ret5#1, push_#t~ret6#1, push_~d#1, push_~oldTop~0#1, push_~newTop~0#1; [2025-02-08 00:56:13,156 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L742-5: push_loop_#t~ret10#1 := push_#res#1; [2025-02-08 00:56:13,156 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L734: __VERIFIER_atomic_assert_~r#1 := __VERIFIER_atomic_assert_#in~r#1; [2025-02-08 00:56:13,157 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L726: [2025-02-08 00:56:13,157 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L718-1: push_#res#1 := 0; [2025-02-08 00:56:13,157 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L743: [2025-02-08 00:56:13,157 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L743-1: havoc __VERIFIER_atomic_assert_#in~r#1;assume { :end_inline___VERIFIER_atomic_assert } true; [2025-02-08 00:56:13,157 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L743-2: havoc __VERIFIER_atomic_assert_#t~ret7#1, __VERIFIER_atomic_assert_#t~short8#1, __VERIFIER_atomic_assert_~r#1; [2025-02-08 00:56:13,157 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L710-1: isEmpty_#res#1 := 1; [2025-02-08 00:56:13,157 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L743-3: havoc __VERIFIER_atomic_assert_#t~ret7#1, __VERIFIER_atomic_assert_#t~short8#1, __VERIFIER_atomic_assert_~r#1; [2025-02-08 00:56:13,157 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L743-4: assume { :begin_inline___VERIFIER_atomic_assert } true;__VERIFIER_atomic_assert_#in~r#1 := push_loop_~r~0#1; [2025-02-08 00:56:13,157 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L727: havoc push_#t~ret6#1; [2025-02-08 00:56:13,157 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L727-1: [2025-02-08 00:56:13,157 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L727-2: SUMMARY for call push_#t~ret6#1 := #PthreadsMutexUnlock(~#m~0.base, ~#m~0.offset); srcloc: null [2025-02-08 00:56:13,157 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L727-3: [2025-02-08 00:56:13,157 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L736: assume false; [2025-02-08 00:56:13,158 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L736: assume !false; [2025-02-08 00:56:13,158 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L736-1: assume false; [2025-02-08 00:56:13,158 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L736-2: havoc __VERIFIER_atomic_assert_#t~short8#1; [2025-02-08 00:56:13,158 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L736-3: havoc __VERIFIER_atomic_assert_#t~short8#1; [2025-02-08 00:56:13,158 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L736-4: assume !!__VERIFIER_atomic_assert_#t~short8#1; [2025-02-08 00:56:13,158 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L736-4: assume !!!__VERIFIER_atomic_assert_#t~short8#1; [2025-02-08 00:56:13,158 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L736-5: havoc __VERIFIER_atomic_assert_#t~ret7#1; [2025-02-08 00:56:13,158 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L736-6: havoc __VERIFIER_atomic_assert_#t~ret7#1; [2025-02-08 00:56:13,158 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L736-7: __VERIFIER_atomic_assert_#t~short8#1 := 0 == __VERIFIER_atomic_assert_#t~ret7#1; [2025-02-08 00:56:13,158 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L736-8: assume { :end_inline_isEmpty } true;assume -2147483648 <= __VERIFIER_atomic_assert_#t~ret7#1 && __VERIFIER_atomic_assert_#t~ret7#1 <= 2147483647; [2025-02-08 00:56:13,158 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L736-9: __VERIFIER_atomic_assert_#t~ret7#1 := isEmpty_#res#1; [2025-02-08 00:56:13,158 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L728-1: push_#res#1 := 1; [2025-02-08 00:56:13,159 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L736-10: assume __VERIFIER_atomic_assert_#t~short8#1; [2025-02-08 00:56:13,159 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L736-10: assume !__VERIFIER_atomic_assert_#t~short8#1; [2025-02-08 00:56:13,159 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L736-11: assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1; [2025-02-08 00:56:13,159 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L736-12: __VERIFIER_atomic_assert_#t~short8#1 := 0 == __VERIFIER_atomic_assert_~r#1; [2025-02-08 00:56:13,159 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L720: ~memory~0 := ~memory~0[push_~newTop~0#1 := push_~d#1]; [2025-02-08 00:56:13,159 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L712-1: isEmpty_#res#1 := 0; [2025-02-08 00:56:14,273 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 00:56:14,274 INFO L308 CfgBuilder]: Performing block encoding