./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/04_incdec_cas.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/04_incdec_cas.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 a9295efc0d8bacfc5fb202511f0d3721ae5554ffb4def47cf5dbf45088356869 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 00:55:33,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 00:55:33,801 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-08 00:55:33,804 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 00:55:33,805 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 00:55:33,818 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 00:55:33,818 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 00:55:33,818 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 00:55:33,818 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 00:55:33,818 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 00:55:33,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 00:55:33,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 00:55:33,819 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 00:55:33,819 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 00:55:33,819 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 00:55:33,819 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 00:55:33,819 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 00:55:33,819 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 00:55:33,820 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 00:55:33,820 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 00:55:33,820 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 00:55:33,820 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 00:55:33,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 00:55:33,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 00:55:33,820 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 00:55:33,820 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 00:55:33,820 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 00:55:33,820 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 00:55:33,820 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 00:55:33,820 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 00:55:33,821 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 00:55:33,821 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 00:55:33,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 00:55:33,821 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 00:55:33,821 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 00:55:33,821 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 00:55:33,821 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 00:55:33,821 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 00:55:33,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 00:55:33,821 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 00:55:33,821 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 00:55:33,822 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 00:55:33,822 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 00:55:33,822 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 -> a9295efc0d8bacfc5fb202511f0d3721ae5554ffb4def47cf5dbf45088356869 [2025-02-08 00:55:34,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 00:55:34,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 00:55:34,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 00:55:34,137 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 00:55:34,137 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 00:55:34,138 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2025-02-08 00:55:35,344 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5b7c0d441/7c44619e4a8a465c9843f5fb9cb64961/FLAGe280340f7 [2025-02-08 00:55:35,739 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 00:55:35,740 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2025-02-08 00:55:35,762 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5b7c0d441/7c44619e4a8a465c9843f5fb9cb64961/FLAGe280340f7 [2025-02-08 00:55:35,926 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5b7c0d441/7c44619e4a8a465c9843f5fb9cb64961 [2025-02-08 00:55:35,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 00:55:35,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 00:55:35,930 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 00:55:35,930 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 00:55:35,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 00:55:35,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 12:55:35" (1/1) ... [2025-02-08 00:55:35,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66aefcba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:35, skipping insertion in model container [2025-02-08 00:55:35,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 12:55:35" (1/1) ... [2025-02-08 00:55:35,965 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 00:55:36,142 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/04_incdec_cas.i[30369,30382] [2025-02-08 00:55:36,148 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/04_incdec_cas.i[30869,30882] [2025-02-08 00:55:36,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 00:55:36,157 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 00:55:36,179 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/04_incdec_cas.i[30369,30382] [2025-02-08 00:55:36,182 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/04_incdec_cas.i[30869,30882] [2025-02-08 00:55:36,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 00:55:36,206 INFO L204 MainTranslator]: Completed translation [2025-02-08 00:55:36,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:36 WrapperNode [2025-02-08 00:55:36,206 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 00:55:36,207 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 00:55:36,207 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 00:55:36,207 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 00:55:36,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:36" (1/1) ... [2025-02-08 00:55:36,218 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:36" (1/1) ... [2025-02-08 00:55:36,230 INFO L138 Inliner]: procedures = 174, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 155 [2025-02-08 00:55:36,230 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 00:55:36,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 00:55:36,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 00:55:36,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 00:55:36,235 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:36" (1/1) ... [2025-02-08 00:55:36,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:36" (1/1) ... [2025-02-08 00:55:36,237 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:36" (1/1) ... [2025-02-08 00:55:36,245 INFO L175 MemorySlicer]: Split 23 memory accesses to 4 slices as follows [2, 6, 9, 6]. 39 percent of accesses are in the largest equivalence class. The 5 initializations are split as follows [2, 0, 1, 2]. The 8 writes are split as follows [0, 4, 2, 2]. [2025-02-08 00:55:36,245 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:36" (1/1) ... [2025-02-08 00:55:36,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:36" (1/1) ... [2025-02-08 00:55:36,249 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:36" (1/1) ... [2025-02-08 00:55:36,249 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:36" (1/1) ... [2025-02-08 00:55:36,250 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:36" (1/1) ... [2025-02-08 00:55:36,251 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:36" (1/1) ... [2025-02-08 00:55:36,252 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 00:55:36,253 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 00:55:36,253 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 00:55:36,253 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 00:55:36,254 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:36" (1/1) ... [2025-02-08 00:55:36,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 00:55:36,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 00:55:36,279 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 00:55:36,283 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 00:55:36,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 00:55:36,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 00:55:36,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 00:55:36,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 00:55:36,296 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2025-02-08 00:55:36,296 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2025-02-08 00:55:36,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 00:55:36,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 00:55:36,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 00:55:36,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 00:55:36,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-08 00:55:36,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 00:55:36,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 00:55:36,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 00:55:36,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 00:55:36,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 00:55:36,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 00:55:36,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 00:55:36,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-08 00:55:36,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 00:55:36,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 00:55:36,297 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 00:55:36,395 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 00:55:36,397 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 00:55:36,620 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L731: havoc dec_~#dec__casret~0#1.base, dec_~#dec__casret~0#1.offset; [2025-02-08 00:55:36,620 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L731-1: SUMMARY for call ULTIMATE.dealloc(dec_~#dec__casret~0#1.base, dec_~#dec__casret~0#1.offset); srcloc: null [2025-02-08 00:55:36,621 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L748: assume { :end_inline_inc } true;havoc #t~ret15#1; [2025-02-08 00:55:36,621 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L748-1: havoc inc_#t~mem7#1, inc_#t~mem8#1, inc_~inc__v~0#1, inc_~inc__vn~0#1, inc_~#inc__casret~0#1.base, inc_~#inc__casret~0#1.offset; [2025-02-08 00:55:36,621 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L748-2: #t~ret15#1 := inc_#res#1; [2025-02-08 00:55:36,621 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L749: assume { :end_inline_dec } true;havoc #t~ret16#1; [2025-02-08 00:55:36,621 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L749-1: havoc dec_#t~mem12#1, dec_#t~mem13#1, dec_~dec__v~0#1, dec_~dec__vn~0#1, dec_~#dec__casret~0#1.base, dec_~#dec__casret~0#1.offset; [2025-02-08 00:55:36,621 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L749-2: #t~ret16#1 := dec_#res#1; [2025-02-08 00:55:36,621 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L750: #res#1.base, #res#1.offset := 0, 0; [2025-02-08 00:55:36,621 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint thr1FINAL: assume true; [2025-02-08 00:55:36,621 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L711: havoc inc_~#inc__casret~0#1.base, inc_~#inc__casret~0#1.offset; [2025-02-08 00:55:36,621 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L711-1: SUMMARY for call ULTIMATE.dealloc(inc_~#inc__casret~0#1.base, inc_~#inc__casret~0#1.offset); srcloc: null [2025-02-08 00:55:36,653 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 00:55:36,653 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 00:55:36,793 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 00:55:36,793 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 00:55:36,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 12:55:36 BoogieIcfgContainer [2025-02-08 00:55:36,794 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 00:55:36,795 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 00:55:36,795 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 00:55:36,798 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 00:55:36,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 12:55:35" (1/3) ... [2025-02-08 00:55:36,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@129977d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 12:55:36, skipping insertion in model container [2025-02-08 00:55:36,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:36" (2/3) ... [2025-02-08 00:55:36,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@129977d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 12:55:36, skipping insertion in model container [2025-02-08 00:55:36,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 12:55:36" (3/3) ... [2025-02-08 00:55:36,800 INFO L128 eAbstractionObserver]: Analyzing ICFG 04_incdec_cas.i [2025-02-08 00:55:36,809 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 00:55:36,811 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 04_incdec_cas.i that has 2 procedures, 28 locations, 1 initial locations, 3 loop locations, and 2 error locations. [2025-02-08 00:55:36,811 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 00:55:36,863 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IcfgLocation.equals(Object)" because the return value of "java.util.Map.get(Object)" is null at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ProcedureMultiplier.constructLocationCopy(ProcedureMultiplier.java:348) at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1228) at de.uni_freiburg.informatik.ultimate.util.datastructures.BidirectionalMap.computeIfAbsent(BidirectionalMap.java:189) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ProcedureMultiplier.getOrConstructLocationCopy(ProcedureMultiplier.java:334) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ProcedureMultiplier.duplicateProcedureEdges(ProcedureMultiplier.java:221) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:133) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:114) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ProcedureMultiplier.duplicateProcedures(ProcedureMultiplier.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:104) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.petrify(TraceAbstractionStarter.java:492) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-02-08 00:55:36,870 INFO L158 Benchmark]: Toolchain (without parser) took 940.12ms. Allocated memory is still 142.6MB. Free memory was 109.3MB in the beginning and 106.1MB in the end (delta: 3.2MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. [2025-02-08 00:55:36,871 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 201.3MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 00:55:36,871 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.50ms. Allocated memory is still 142.6MB. Free memory was 109.3MB in the beginning and 88.8MB in the end (delta: 20.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 00:55:36,872 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.31ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 87.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 00:55:36,872 INFO L158 Benchmark]: Boogie Preprocessor took 21.84ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 85.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 00:55:36,872 INFO L158 Benchmark]: IcfgBuilder took 540.65ms. Allocated memory is still 142.6MB. Free memory was 85.7MB in the beginning and 43.8MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-08 00:55:36,872 INFO L158 Benchmark]: TraceAbstraction took 73.59ms. Allocated memory is still 142.6MB. Free memory was 42.7MB in the beginning and 106.1MB in the end (delta: -63.4MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2025-02-08 00:55:36,873 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 201.3MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.50ms. Allocated memory is still 142.6MB. Free memory was 109.3MB in the beginning and 88.8MB in the end (delta: 20.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.31ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 87.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.84ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 85.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 540.65ms. Allocated memory is still 142.6MB. Free memory was 85.7MB in the beginning and 43.8MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 73.59ms. Allocated memory is still 142.6MB. Free memory was 42.7MB in the beginning and 106.1MB in the end (delta: -63.4MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IcfgLocation.equals(Object)" because the return value of "java.util.Map.get(Object)" is null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IcfgLocation.equals(Object)" because the return value of "java.util.Map.get(Object)" is null: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ProcedureMultiplier.constructLocationCopy(ProcedureMultiplier.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2025-02-08 00:55:36,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/04_incdec_cas.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9295efc0d8bacfc5fb202511f0d3721ae5554ffb4def47cf5dbf45088356869 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 00:55:39,082 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 00:55:39,161 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-08 00:55:39,166 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 00:55:39,167 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 00:55:39,193 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 00:55:39,194 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 00:55:39,194 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 00:55:39,195 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 00:55:39,195 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 00:55:39,196 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 00:55:39,196 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 00:55:39,196 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 00:55:39,197 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 00:55:39,197 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 00:55:39,197 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 00:55:39,197 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 00:55:39,197 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 00:55:39,197 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 00:55:39,197 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 00:55:39,198 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 00:55:39,198 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 00:55:39,198 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 00:55:39,198 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 00:55:39,198 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-08 00:55:39,198 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-08 00:55:39,198 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 00:55:39,198 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 00:55:39,198 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 00:55:39,198 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 00:55:39,198 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 00:55:39,199 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 00:55:39,199 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 00:55:39,199 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 00:55:39,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 00:55:39,199 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 00:55:39,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 00:55:39,199 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 00:55:39,199 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 00:55:39,199 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-08 00:55:39,199 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-08 00:55:39,200 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 00:55:39,200 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 00:55:39,200 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 00:55:39,200 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 00:55:39,200 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 -> a9295efc0d8bacfc5fb202511f0d3721ae5554ffb4def47cf5dbf45088356869 [2025-02-08 00:55:39,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 00:55:39,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 00:55:39,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 00:55:39,518 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 00:55:39,518 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 00:55:39,520 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2025-02-08 00:55:40,699 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/805612357/2ee90f07029e40ec95a6d7a2737a559a/FLAGf06522dcc [2025-02-08 00:55:40,962 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 00:55:40,962 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2025-02-08 00:55:40,974 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/805612357/2ee90f07029e40ec95a6d7a2737a559a/FLAGf06522dcc [2025-02-08 00:55:40,990 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/805612357/2ee90f07029e40ec95a6d7a2737a559a [2025-02-08 00:55:40,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 00:55:40,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 00:55:40,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 00:55:40,996 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 00:55:40,999 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 00:55:41,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 12:55:40" (1/1) ... [2025-02-08 00:55:41,001 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c80a1e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:41, skipping insertion in model container [2025-02-08 00:55:41,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 12:55:40" (1/1) ... [2025-02-08 00:55:41,027 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 00:55:41,223 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/04_incdec_cas.i[30369,30382] [2025-02-08 00:55:41,231 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/04_incdec_cas.i[30869,30882] [2025-02-08 00:55:41,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 00:55:41,246 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 00:55:41,289 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/04_incdec_cas.i[30369,30382] [2025-02-08 00:55:41,293 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/04_incdec_cas.i[30869,30882] [2025-02-08 00:55:41,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 00:55:41,326 INFO L204 MainTranslator]: Completed translation [2025-02-08 00:55:41,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:41 WrapperNode [2025-02-08 00:55:41,327 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 00:55:41,328 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 00:55:41,328 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 00:55:41,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 00:55:41,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:41" (1/1) ... [2025-02-08 00:55:41,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:41" (1/1) ... [2025-02-08 00:55:41,355 INFO L138 Inliner]: procedures = 178, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 155 [2025-02-08 00:55:41,356 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 00:55:41,356 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 00:55:41,356 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 00:55:41,356 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 00:55:41,362 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:41" (1/1) ... [2025-02-08 00:55:41,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:41" (1/1) ... [2025-02-08 00:55:41,365 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:41" (1/1) ... [2025-02-08 00:55:41,374 INFO L175 MemorySlicer]: Split 23 memory accesses to 4 slices as follows [2, 9, 6, 6]. 39 percent of accesses are in the largest equivalence class. The 5 initializations are split as follows [2, 1, 0, 2]. The 8 writes are split as follows [0, 2, 4, 2]. [2025-02-08 00:55:41,374 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:41" (1/1) ... [2025-02-08 00:55:41,374 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:41" (1/1) ... [2025-02-08 00:55:41,381 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:41" (1/1) ... [2025-02-08 00:55:41,382 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:41" (1/1) ... [2025-02-08 00:55:41,384 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:41" (1/1) ... [2025-02-08 00:55:41,384 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:41" (1/1) ... [2025-02-08 00:55:41,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 00:55:41,388 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 00:55:41,388 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 00:55:41,388 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 00:55:41,389 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:41" (1/1) ... [2025-02-08 00:55:41,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 00:55:41,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 00:55:41,421 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 00:55:41,426 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 00:55:41,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-08 00:55:41,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-08 00:55:41,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-08 00:55:41,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-08 00:55:41,453 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2025-02-08 00:55:41,453 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2025-02-08 00:55:41,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-08 00:55:41,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 00:55:41,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 00:55:41,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 00:55:41,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-08 00:55:41,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-08 00:55:41,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-08 00:55:41,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-08 00:55:41,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-08 00:55:41,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-08 00:55:41,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-08 00:55:41,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-08 00:55:41,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2025-02-08 00:55:41,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2025-02-08 00:55:41,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2025-02-08 00:55:41,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2025-02-08 00:55:41,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-08 00:55:41,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 00:55:41,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 00:55:41,458 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 00:55:41,595 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 00:55:41,597 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 00:55:41,784 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L731: havoc dec_~#dec__casret~0#1.base, dec_~#dec__casret~0#1.offset; [2025-02-08 00:55:41,784 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L731-1: SUMMARY for call ULTIMATE.dealloc(dec_~#dec__casret~0#1.base, dec_~#dec__casret~0#1.offset); srcloc: null [2025-02-08 00:55:41,784 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L748: assume { :end_inline_inc } true;havoc #t~ret15#1; [2025-02-08 00:55:41,785 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L748-1: havoc inc_#t~mem7#1, inc_#t~mem8#1, inc_~inc__v~0#1, inc_~inc__vn~0#1, inc_~#inc__casret~0#1.base, inc_~#inc__casret~0#1.offset; [2025-02-08 00:55:41,785 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L748-2: #t~ret15#1 := inc_#res#1; [2025-02-08 00:55:41,785 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L749: assume { :end_inline_dec } true;havoc #t~ret16#1; [2025-02-08 00:55:41,785 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L749-1: havoc dec_#t~mem12#1, dec_#t~mem13#1, dec_~dec__v~0#1, dec_~dec__vn~0#1, dec_~#dec__casret~0#1.base, dec_~#dec__casret~0#1.offset; [2025-02-08 00:55:41,785 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L749-2: #t~ret16#1 := dec_#res#1; [2025-02-08 00:55:41,785 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L750: #res#1.base, #res#1.offset := 0bv32, 0bv32; [2025-02-08 00:55:41,785 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint thr1FINAL: assume true; [2025-02-08 00:55:41,785 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L711: havoc inc_~#inc__casret~0#1.base, inc_~#inc__casret~0#1.offset; [2025-02-08 00:55:41,785 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L711-1: SUMMARY for call ULTIMATE.dealloc(inc_~#inc__casret~0#1.base, inc_~#inc__casret~0#1.offset); srcloc: null [2025-02-08 00:55:41,817 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 00:55:41,818 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 00:55:42,000 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 00:55:42,000 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 00:55:42,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 12:55:42 BoogieIcfgContainer [2025-02-08 00:55:42,001 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 00:55:42,002 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 00:55:42,002 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 00:55:42,007 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 00:55:42,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 12:55:40" (1/3) ... [2025-02-08 00:55:42,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1507c87f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 12:55:42, skipping insertion in model container [2025-02-08 00:55:42,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:41" (2/3) ... [2025-02-08 00:55:42,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1507c87f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 12:55:42, skipping insertion in model container [2025-02-08 00:55:42,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 12:55:42" (3/3) ... [2025-02-08 00:55:42,009 INFO L128 eAbstractionObserver]: Analyzing ICFG 04_incdec_cas.i [2025-02-08 00:55:42,019 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 00:55:42,020 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 04_incdec_cas.i that has 2 procedures, 28 locations, 1 initial locations, 3 loop locations, and 2 error locations. [2025-02-08 00:55:42,020 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 00:55:42,055 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IcfgLocation.equals(Object)" because the return value of "java.util.Map.get(Object)" is null at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ProcedureMultiplier.constructLocationCopy(ProcedureMultiplier.java:348) at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1228) at de.uni_freiburg.informatik.ultimate.util.datastructures.BidirectionalMap.computeIfAbsent(BidirectionalMap.java:189) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ProcedureMultiplier.getOrConstructLocationCopy(ProcedureMultiplier.java:334) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ProcedureMultiplier.duplicateProcedureEdges(ProcedureMultiplier.java:221) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:133) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:114) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ProcedureMultiplier.duplicateProcedures(ProcedureMultiplier.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:104) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.petrify(TraceAbstractionStarter.java:492) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-02-08 00:55:42,060 INFO L158 Benchmark]: Toolchain (without parser) took 1067.09ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 59.6MB in the end (delta: 31.5MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2025-02-08 00:55:42,061 INFO L158 Benchmark]: CDTParser took 0.84ms. Allocated memory is still 83.9MB. Free memory is still 61.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 00:55:42,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.07ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 69.5MB in the end (delta: 20.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 00:55:42,061 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.77ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 67.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 00:55:42,061 INFO L158 Benchmark]: Boogie Preprocessor took 30.51ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 65.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 00:55:42,065 INFO L158 Benchmark]: IcfgBuilder took 613.14ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 65.9MB in the end (delta: -528.7kB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2025-02-08 00:55:42,065 INFO L158 Benchmark]: TraceAbstraction took 57.28ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 59.6MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 00:55:42,067 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84ms. Allocated memory is still 83.9MB. Free memory is still 61.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.07ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 69.5MB in the end (delta: 20.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.77ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 67.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.51ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 65.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 613.14ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 65.9MB in the end (delta: -528.7kB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * TraceAbstraction took 57.28ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 59.6MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IcfgLocation.equals(Object)" because the return value of "java.util.Map.get(Object)" is null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IcfgLocation.equals(Object)" because the return value of "java.util.Map.get(Object)" is null: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ProcedureMultiplier.constructLocationCopy(ProcedureMultiplier.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2025-02-08 00:55:42,079 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IcfgLocation.equals(Object)" because the return value of "java.util.Map.get(Object)" is null