./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7f7f7b6ea5abe354543dc816b244a5041021350ff4076c6fd52a8208b97eac31 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 08:13:00,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 08:13:00,566 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-02-08 08:13:00,571 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 08:13:00,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 08:13:00,602 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 08:13:00,604 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 08:13:00,604 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 08:13:00,605 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 08:13:00,605 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 08:13:00,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 08:13:00,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 08:13:00,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 08:13:00,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 08:13:00,607 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 08:13:00,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 08:13:00,608 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 08:13:00,608 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 08:13:00,608 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 08:13:00,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 08:13:00,608 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 08:13:00,608 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 08:13:00,609 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-02-08 08:13:00,609 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 08:13:00,609 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 08:13:00,609 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 08:13:00,609 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 08:13:00,609 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 08:13:00,609 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 08:13:00,609 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 08:13:00,610 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 08:13:00,610 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 08:13:00,610 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 08:13:00,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:13:00,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 08:13:00,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 08:13:00,611 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 08:13:00,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 08:13:00,611 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 08:13:00,611 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 08:13:00,611 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 08:13:00,611 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 08:13:00,611 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f7f7b6ea5abe354543dc816b244a5041021350ff4076c6fd52a8208b97eac31 [2025-02-08 08:13:00,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 08:13:00,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 08:13:00,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 08:13:00,933 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 08:13:00,933 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 08:13:00,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2025-02-08 08:13:02,283 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/85ab58963/2675a6b347b9484ea3de6c4e61af5acd/FLAGaeb8a497c [2025-02-08 08:13:02,596 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 08:13:02,597 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2025-02-08 08:13:02,613 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/85ab58963/2675a6b347b9484ea3de6c4e61af5acd/FLAGaeb8a497c [2025-02-08 08:13:02,628 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/85ab58963/2675a6b347b9484ea3de6c4e61af5acd [2025-02-08 08:13:02,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 08:13:02,631 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 08:13:02,632 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 08:13:02,633 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 08:13:02,636 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 08:13:02,637 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:13:02" (1/1) ... [2025-02-08 08:13:02,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@425a0e5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:02, skipping insertion in model container [2025-02-08 08:13:02,638 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:13:02" (1/1) ... [2025-02-08 08:13:02,681 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 08:13:02,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:13:02,994 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 08:13:03,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:13:03,113 INFO L204 MainTranslator]: Completed translation [2025-02-08 08:13:03,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:03 WrapperNode [2025-02-08 08:13:03,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 08:13:03,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 08:13:03,116 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 08:13:03,116 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 08:13:03,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:03" (1/1) ... [2025-02-08 08:13:03,156 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:03" (1/1) ... [2025-02-08 08:13:03,233 INFO L138 Inliner]: procedures = 179, calls = 47, calls flagged for inlining = 17, calls inlined = 20, statements flattened = 2103 [2025-02-08 08:13:03,234 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 08:13:03,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 08:13:03,235 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 08:13:03,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 08:13:03,247 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:03" (1/1) ... [2025-02-08 08:13:03,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:03" (1/1) ... [2025-02-08 08:13:03,253 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:03" (1/1) ... [2025-02-08 08:13:03,311 INFO L175 MemorySlicer]: Split 24 memory accesses to 4 slices as follows [2, 4, 12, 6]. 50 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 1, 2, 1]. The 9 writes are split as follows [0, 2, 5, 2]. [2025-02-08 08:13:03,311 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:03" (1/1) ... [2025-02-08 08:13:03,312 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:03" (1/1) ... [2025-02-08 08:13:03,351 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:03" (1/1) ... [2025-02-08 08:13:03,368 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:03" (1/1) ... [2025-02-08 08:13:03,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:03" (1/1) ... [2025-02-08 08:13:03,385 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:03" (1/1) ... [2025-02-08 08:13:03,395 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 08:13:03,396 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 08:13:03,397 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 08:13:03,397 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 08:13:03,398 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:03" (1/1) ... [2025-02-08 08:13:03,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:13:03,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:13:03,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 08:13:03,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 08:13:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 08:13:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 08:13:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 08:13:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 08:13:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2025-02-08 08:13:03,457 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2025-02-08 08:13:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 08:13:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 08:13:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 08:13:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 08:13:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-08 08:13:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 08:13:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 08:13:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 08:13:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 08:13:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 08:13:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 08:13:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 08:13:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-08 08:13:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 08:13:03,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 08:13:03,459 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 08:13:03,617 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 08:13:03,619 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 08:13:04,071 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L713: SUMMARY for call write~int#1(0, __VERIFIER_atomic_CAS_~r#1.base, __VERIFIER_atomic_CAS_~r#1.offset, 4); srcloc: null [2025-02-08 08:13:04,075 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L713: assume !(1 == #valid[__VERIFIER_atomic_CAS_~r#1.base]); [2025-02-08 08:13:04,075 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L713: assume !(4 + __VERIFIER_atomic_CAS_~r#1.offset <= #length[__VERIFIER_atomic_CAS_~r#1.base] && 0 <= __VERIFIER_atomic_CAS_~r#1.offset); [2025-02-08 08:13:04,075 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L746-1: push_#res#1 := 0; [2025-02-08 08:13:04,075 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763: assume { :end_inline_reach_error } true;assume false; [2025-02-08 08:13:04,075 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-1: havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 08:13:04,075 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-2: assume { :begin_inline_reach_error } true;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 08:13:04,076 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-3: havoc __VERIFIER_atomic_assert_#t~short11#1; [2025-02-08 08:13:04,076 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-4: havoc __VERIFIER_atomic_assert_#t~short11#1; [2025-02-08 08:13:04,076 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-5: assume !__VERIFIER_atomic_assert_#t~short11#1; [2025-02-08 08:13:04,076 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-5: assume !!__VERIFIER_atomic_assert_#t~short11#1; [2025-02-08 08:13:04,076 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-6: havoc __VERIFIER_atomic_assert_#t~ret10#1; [2025-02-08 08:13:04,076 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-7: havoc __VERIFIER_atomic_assert_#t~ret10#1; [2025-02-08 08:13:04,077 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-8: __VERIFIER_atomic_assert_#t~short11#1 := 0 == __VERIFIER_atomic_assert_#t~ret10#1; [2025-02-08 08:13:04,077 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-9: assume { :end_inline_isEmpty } true;assume -2147483648 <= __VERIFIER_atomic_assert_#t~ret10#1 && __VERIFIER_atomic_assert_#t~ret10#1 <= 2147483647; [2025-02-08 08:13:04,077 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-10: havoc isEmpty_#t~mem6#1; [2025-02-08 08:13:04,077 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-11: __VERIFIER_atomic_assert_#t~ret10#1 := isEmpty_#res#1; [2025-02-08 08:13:04,077 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-12: havoc isEmpty_#t~mem6#1; [2025-02-08 08:13:04,077 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-13: assume __VERIFIER_atomic_assert_#t~short11#1; [2025-02-08 08:13:04,077 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-13: assume !__VERIFIER_atomic_assert_#t~short11#1; [2025-02-08 08:13:04,077 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-14: assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1; [2025-02-08 08:13:04,077 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-15: __VERIFIER_atomic_assert_#t~short11#1 := 0 == __VERIFIER_atomic_assert_~r#1; [2025-02-08 08:13:04,078 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L748: assume 0 <= push_~newTop~0#1 % 4294967296 && push_~newTop~0#1 % 4294967296 < 1921; [2025-02-08 08:13:04,078 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L748: assume !(0 <= push_~newTop~0#1 % 4294967296 && push_~newTop~0#1 % 4294967296 < 1921); [2025-02-08 08:13:04,078 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L748-1: ~memory~0 := ~memory~0[push_~newTop~0#1 := push_~d#1]; [2025-02-08 08:13:04,078 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L749: assume true; [2025-02-08 08:13:04,078 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L749: assume !true; [2025-02-08 08:13:04,078 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L750: [2025-02-08 08:13:04,078 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L701: __VERIFIER_atomic_CAS_~r#1.base, __VERIFIER_atomic_CAS_~r#1.offset := __VERIFIER_atomic_CAS_#in~r#1.base, __VERIFIER_atomic_CAS_#in~r#1.offset; [2025-02-08 08:13:04,079 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L701-1: __VERIFIER_atomic_CAS_~u#1 := __VERIFIER_atomic_CAS_#in~u#1; [2025-02-08 08:13:04,079 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L701-2: __VERIFIER_atomic_CAS_~e#1 := __VERIFIER_atomic_CAS_#in~e#1; [2025-02-08 08:13:04,079 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L701-3: __VERIFIER_atomic_CAS_~v#1.base, __VERIFIER_atomic_CAS_~v#1.offset := __VERIFIER_atomic_CAS_#in~v#1.base, __VERIFIER_atomic_CAS_#in~v#1.offset; [2025-02-08 08:13:04,079 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L751: havoc push_#t~mem8#1; [2025-02-08 08:13:04,079 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L751-1: push_~oldTop~0#1 := push_#t~mem8#1; [2025-02-08 08:13:04,079 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L751-2: SUMMARY for call push_#t~mem8#1 := read~int#3(~#top~0.base, ~#top~0.offset, 4); srcloc: null [2025-02-08 08:13:04,079 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L751-2: assume !(1 == #valid[~#top~0.base]); [2025-02-08 08:13:04,079 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L751-2: assume !(4 + ~#top~0.offset <= #length[~#top~0.base] && 0 <= ~#top~0.offset); [2025-02-08 08:13:04,079 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L752: [2025-02-08 08:13:04,079 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L769: havoc push_loop_#t~ret13#1; [2025-02-08 08:13:04,079 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L769-1: push_loop_~r~0#1 := push_loop_#t~ret13#1; [2025-02-08 08:13:04,079 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L769-2: assume { :end_inline_push } true;assume -2147483648 <= push_loop_#t~ret13#1 && push_loop_#t~ret13#1 <= 2147483647; [2025-02-08 08:13:04,079 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L769-3: havoc push_#in~d#1; [2025-02-08 08:13:04,079 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L769-4: havoc push_#t~ret7#1, push_#t~mem8#1, push_#t~mem9#1, push_~d#1, push_~oldTop~0#1, push_~newTop~0#1, push_~#casret~0#1.base, push_~#casret~0#1.offset; [2025-02-08 08:13:04,079 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L769-5: push_loop_#t~ret13#1 := push_#res#1; [2025-02-08 08:13:04,079 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L753: assume 0 <= (1 + push_~newTop~0#1) % 4294967296 && (1 + push_~newTop~0#1) % 4294967296 < 1921; [2025-02-08 08:13:04,079 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L753: assume !(0 <= (1 + push_~newTop~0#1) % 4294967296 && (1 + push_~newTop~0#1) % 4294967296 < 1921); [2025-02-08 08:13:04,080 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L753-1: ~memory~0 := ~memory~0[1 + push_~newTop~0#1 := push_~oldTop~0#1]; [2025-02-08 08:13:04,080 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L770: [2025-02-08 08:13:04,080 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L770-1: havoc __VERIFIER_atomic_assert_#in~r#1;assume { :end_inline___VERIFIER_atomic_assert } true; [2025-02-08 08:13:04,080 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L737: assume 0 == isEmpty_#t~mem6#1; [2025-02-08 08:13:04,080 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L737: assume !(0 == isEmpty_#t~mem6#1); [2025-02-08 08:13:04,080 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L770-2: havoc __VERIFIER_atomic_assert_#t~ret10#1, __VERIFIER_atomic_assert_#t~short11#1, __VERIFIER_atomic_assert_~r#1; [2025-02-08 08:13:04,080 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L737-1: havoc isEmpty_#t~mem6#1; [2025-02-08 08:13:04,080 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L737-2: havoc isEmpty_#t~mem6#1; [2025-02-08 08:13:04,080 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L770-3: havoc __VERIFIER_atomic_assert_#t~ret10#1, __VERIFIER_atomic_assert_#t~short11#1, __VERIFIER_atomic_assert_~r#1; [2025-02-08 08:13:04,080 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L737-3: SUMMARY for call isEmpty_#t~mem6#1 := read~int#3(~#top~0.base, ~#top~0.offset, 4); srcloc: null [2025-02-08 08:13:04,080 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L737-3: assume !(1 == #valid[~#top~0.base]); [2025-02-08 08:13:04,080 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L737-3: assume !(4 + ~#top~0.offset <= #length[~#top~0.base] && 0 <= ~#top~0.offset); [2025-02-08 08:13:04,080 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L770-4: assume { :begin_inline___VERIFIER_atomic_assert } true;__VERIFIER_atomic_assert_#in~r#1 := push_loop_~r~0#1; [2025-02-08 08:13:04,080 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L754: [2025-02-08 08:13:04,080 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L754-1: havoc __VERIFIER_atomic_CAS_#in~v#1.base, __VERIFIER_atomic_CAS_#in~v#1.offset, __VERIFIER_atomic_CAS_#in~e#1, __VERIFIER_atomic_CAS_#in~u#1, __VERIFIER_atomic_CAS_#in~r#1.base, __VERIFIER_atomic_CAS_#in~r#1.offset;assume { :end_inline___VERIFIER_atomic_CAS } true; [2025-02-08 08:13:04,080 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L754-2: havoc __VERIFIER_atomic_CAS_#t~mem5#1, __VERIFIER_atomic_CAS_~v#1.base, __VERIFIER_atomic_CAS_~v#1.offset, __VERIFIER_atomic_CAS_~e#1, __VERIFIER_atomic_CAS_~u#1, __VERIFIER_atomic_CAS_~r#1.base, __VERIFIER_atomic_CAS_~r#1.offset; [2025-02-08 08:13:04,080 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L754-3: havoc __VERIFIER_atomic_CAS_#t~mem5#1, __VERIFIER_atomic_CAS_~v#1.base, __VERIFIER_atomic_CAS_~v#1.offset, __VERIFIER_atomic_CAS_~e#1, __VERIFIER_atomic_CAS_~u#1, __VERIFIER_atomic_CAS_~r#1.base, __VERIFIER_atomic_CAS_~r#1.offset; [2025-02-08 08:13:04,080 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L754-4: assume { :begin_inline___VERIFIER_atomic_CAS } true;__VERIFIER_atomic_CAS_#in~v#1.base, __VERIFIER_atomic_CAS_#in~v#1.offset, __VERIFIER_atomic_CAS_#in~e#1, __VERIFIER_atomic_CAS_#in~u#1, __VERIFIER_atomic_CAS_#in~r#1.base, __VERIFIER_atomic_CAS_#in~r#1.offset := ~#top~0.base, ~#top~0.offset, push_~oldTop~0#1, push_~newTop~0#1, push_~#casret~0#1.base, push_~#casret~0#1.offset; [2025-02-08 08:13:04,080 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L738-1: isEmpty_#res#1 := 1; [2025-02-08 08:13:04,080 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L755: assume 1 == push_#t~mem9#1; [2025-02-08 08:13:04,080 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L755: assume !(1 == push_#t~mem9#1); [2025-02-08 08:13:04,080 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L755-1: havoc push_#t~mem9#1; [2025-02-08 08:13:04,081 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L755-2: havoc push_#t~mem9#1; [2025-02-08 08:13:04,081 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L755-3: SUMMARY for call push_#t~mem9#1 := read~int#1(push_~#casret~0#1.base, push_~#casret~0#1.offset, 4); srcloc: null [2025-02-08 08:13:04,081 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L755-3: assume !(1 == #valid[push_~#casret~0#1.base]); [2025-02-08 08:13:04,081 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L755-3: assume !(4 + push_~#casret~0#1.offset <= #length[push_~#casret~0#1.base] && 0 <= push_~#casret~0#1.offset); [2025-02-08 08:13:04,081 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L756-1: push_#res#1 := 1; [2025-02-08 08:13:04,081 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L740-1: isEmpty_#res#1 := 0; [2025-02-08 08:13:04,081 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L707: assume __VERIFIER_atomic_CAS_#t~mem5#1 == __VERIFIER_atomic_CAS_~e#1; [2025-02-08 08:13:04,081 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L707: assume !(__VERIFIER_atomic_CAS_#t~mem5#1 == __VERIFIER_atomic_CAS_~e#1); [2025-02-08 08:13:04,081 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L707-1: havoc __VERIFIER_atomic_CAS_#t~mem5#1; [2025-02-08 08:13:04,081 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L707-2: havoc __VERIFIER_atomic_CAS_#t~mem5#1; [2025-02-08 08:13:04,081 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L707-3: SUMMARY for call __VERIFIER_atomic_CAS_#t~mem5#1 := read~int#3(__VERIFIER_atomic_CAS_~v#1.base, __VERIFIER_atomic_CAS_~v#1.offset, 4); srcloc: null [2025-02-08 08:13:04,083 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L707-3: assume !(1 == #valid[__VERIFIER_atomic_CAS_~v#1.base]); [2025-02-08 08:13:04,083 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L707-3: assume !(4 + __VERIFIER_atomic_CAS_~v#1.offset <= #length[__VERIFIER_atomic_CAS_~v#1.base] && 0 <= __VERIFIER_atomic_CAS_~v#1.offset); [2025-02-08 08:13:04,087 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L709: SUMMARY for call write~int#1(1, __VERIFIER_atomic_CAS_~r#1.base, __VERIFIER_atomic_CAS_~r#1.offset, 4); srcloc: null [2025-02-08 08:13:04,087 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L709: assume !(1 == #valid[__VERIFIER_atomic_CAS_~r#1.base]); [2025-02-08 08:13:04,087 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L709: assume !(4 + __VERIFIER_atomic_CAS_~r#1.offset <= #length[__VERIFIER_atomic_CAS_~r#1.base] && 0 <= __VERIFIER_atomic_CAS_~r#1.offset); [2025-02-08 08:13:04,087 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L709-1: SUMMARY for call write~int#3(__VERIFIER_atomic_CAS_~u#1, __VERIFIER_atomic_CAS_~v#1.base, __VERIFIER_atomic_CAS_~v#1.offset, 4); srcloc: null [2025-02-08 08:13:04,088 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L709-1: assume !(1 == #valid[__VERIFIER_atomic_CAS_~v#1.base]); [2025-02-08 08:13:04,088 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L709-1: assume !(4 + __VERIFIER_atomic_CAS_~v#1.offset <= #length[__VERIFIER_atomic_CAS_~v#1.base] && 0 <= __VERIFIER_atomic_CAS_~v#1.offset); [2025-02-08 08:13:04,088 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L743: havoc push_~#casret~0#1.base, push_~#casret~0#1.offset; [2025-02-08 08:13:04,088 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L743-1: SUMMARY for call ULTIMATE.dealloc(push_~#casret~0#1.base, push_~#casret~0#1.offset); srcloc: null [2025-02-08 08:13:04,088 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L743-2: havoc push_~#casret~0#1.base, push_~#casret~0#1.offset; [2025-02-08 08:13:04,088 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L743-3: SUMMARY for call ULTIMATE.dealloc(push_~#casret~0#1.base, push_~#casret~0#1.offset); srcloc: null [2025-02-08 08:13:04,088 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L743-4: havoc push_~#casret~0#1.base, push_~#casret~0#1.offset; [2025-02-08 08:13:04,088 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L743-5: SUMMARY for call ULTIMATE.dealloc(push_~#casret~0#1.base, push_~#casret~0#1.offset); srcloc: null [2025-02-08 08:13:04,088 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L17: assume false; [2025-02-08 08:13:04,088 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L17: assume !false; [2025-02-08 08:13:04,088 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L17-1: assume false; [2025-02-08 08:13:04,088 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L17-1: assume !false; [2025-02-08 08:13:04,088 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L744: havoc push_#t~ret7#1; [2025-02-08 08:13:04,088 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L744-1: push_~newTop~0#1 := push_#t~ret7#1; [2025-02-08 08:13:04,088 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L744-2: assume { :end_inline_index_malloc } true;assume -2147483648 <= push_#t~ret7#1 && push_#t~ret7#1 <= 2147483647; [2025-02-08 08:13:04,088 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L744-3: havoc index_malloc_~curr_alloc_idx~0#1; [2025-02-08 08:13:04,088 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L744-4: push_#t~ret7#1 := index_malloc_#res#1; [2025-02-08 08:13:04,088 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L761: __VERIFIER_atomic_assert_~r#1 := __VERIFIER_atomic_assert_#in~r#1; [2025-02-08 08:13:04,088 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L745: assume 0 == push_~newTop~0#1; [2025-02-08 08:13:04,088 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L745: assume !(0 == push_~newTop~0#1); [2025-02-08 08:13:05,590 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 08:13:05,590 INFO L308 CfgBuilder]: Performing block encoding