./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/stack_longest-1.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/stack_longest-1.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 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 00:55:00,852 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 00:55:00,901 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-08 00:55:00,904 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 00:55:00,904 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 00:55:00,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 00:55:00,919 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 00:55:00,920 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 00:55:00,920 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 00:55:00,920 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 00:55:00,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 00:55:00,921 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 00:55:00,922 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 00:55:00,922 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 00:55:00,922 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 00:55:00,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 00:55:00,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 00:55:00,922 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 00:55:00,922 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 00:55:00,922 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 00:55:00,922 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 00:55:00,922 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 00:55:00,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 00:55:00,923 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 00:55:00,923 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 00:55:00,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 00:55:00,923 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 00:55:00,923 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 00:55:00,923 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 00:55:00,923 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 00:55:00,923 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 00:55:00,923 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 00:55:00,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 00:55:00,923 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 00:55:00,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 00:55:00,924 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 00:55:00,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 00:55:00,924 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 00:55:00,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 00:55:00,924 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 00:55:00,924 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 00:55:00,924 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 00:55:00,924 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 00:55:00,924 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 -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2025-02-08 00:55:01,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 00:55:01,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 00:55:01,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 00:55:01,157 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 00:55:01,158 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 00:55:01,159 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack_longest-1.i [2025-02-08 00:55:02,293 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fbb6b58be/7acbcaffcd4841df9f05f313098fec3c/FLAGb16cdbf06 [2025-02-08 00:55:02,526 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 00:55:02,526 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/stack_longest-1.i [2025-02-08 00:55:02,544 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fbb6b58be/7acbcaffcd4841df9f05f313098fec3c/FLAGb16cdbf06 [2025-02-08 00:55:02,854 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fbb6b58be/7acbcaffcd4841df9f05f313098fec3c [2025-02-08 00:55:02,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 00:55:02,857 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 00:55:02,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 00:55:02,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 00:55:02,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 00:55:02,861 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 12:55:02" (1/1) ... [2025-02-08 00:55:02,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4919ae51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:02, skipping insertion in model container [2025-02-08 00:55:02,862 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 12:55:02" (1/1) ... [2025-02-08 00:55:02,888 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 00:55:03,177 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/stack_longest-1.i[41530,41543] [2025-02-08 00:55:03,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 00:55:03,237 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 00:55:03,274 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/stack_longest-1.i[41530,41543] [2025-02-08 00:55:03,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 00:55:03,368 INFO L204 MainTranslator]: Completed translation [2025-02-08 00:55:03,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:03 WrapperNode [2025-02-08 00:55:03,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 00:55:03,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 00:55:03,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 00:55:03,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 00:55:03,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:03" (1/1) ... [2025-02-08 00:55:03,401 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:03" (1/1) ... [2025-02-08 00:55:03,452 INFO L138 Inliner]: procedures = 277, calls = 831, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 946 [2025-02-08 00:55:03,453 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 00:55:03,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 00:55:03,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 00:55:03,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 00:55:03,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:03" (1/1) ... [2025-02-08 00:55:03,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:03" (1/1) ... [2025-02-08 00:55:03,477 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:03" (1/1) ... [2025-02-08 00:55:03,501 INFO L175 MemorySlicer]: Split 809 memory accesses to 3 slices as follows [2, 5, 802]. 99 percent of accesses are in the largest equivalence class. The 807 initializations are split as follows [2, 5, 800]. The 1 writes are split as follows [0, 0, 1]. [2025-02-08 00:55:03,504 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:03" (1/1) ... [2025-02-08 00:55:03,505 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:03" (1/1) ... [2025-02-08 00:55:03,532 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:03" (1/1) ... [2025-02-08 00:55:03,535 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:03" (1/1) ... [2025-02-08 00:55:03,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:03" (1/1) ... [2025-02-08 00:55:03,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:03" (1/1) ... [2025-02-08 00:55:03,547 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 00:55:03,548 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 00:55:03,549 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 00:55:03,549 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 00:55:03,549 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:03" (1/1) ... [2025-02-08 00:55:03,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 00:55:03,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 00:55:03,574 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 00:55:03,579 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 00:55:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2025-02-08 00:55:03,593 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2025-02-08 00:55:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2025-02-08 00:55:03,593 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2025-02-08 00:55:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 00:55:03,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 00:55:03,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 00:55:03,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 00:55:03,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 00:55:03,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 00:55:03,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 00:55:03,594 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 00:55:03,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 00:55:03,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 00:55:03,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 00:55:03,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 00:55:03,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 00:55:03,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 00:55:03,596 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 00:55:03,707 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 00:55:03,708 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 00:55:04,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L969: havoc inc_top_#t~post31#1;assume { :end_inline_inc_top } true; [2025-02-08 00:55:04,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L969-1: assume { :begin_inline_inc_top } true;havoc inc_top_#t~post31#1; [2025-02-08 00:55:04,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L998: ~flag~0 := 1; [2025-02-08 00:55:04,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L945: havoc inc_top_#t~post31#1; [2025-02-08 00:55:04,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L945-1: ~top~0 := 1 + inc_top_#t~post31#1; [2025-02-08 00:55:04,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L945-2: inc_top_#t~post31#1 := ~top~0; [2025-02-08 00:55:04,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L941-1: assume false; [2025-02-08 00:55:04,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L941-1: assume !false; [2025-02-08 00:55:04,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L941-2: assume false; [2025-02-08 00:55:04,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L999: havoc #t~ret42#1; [2025-02-08 00:55:04,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L999-1: [2025-02-08 00:55:04,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L999-2: SUMMARY for call #t~ret42#1 := #PthreadsMutexUnlock(~#m~0.base, ~#m~0.offset); srcloc: null [2025-02-08 00:55:04,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L999-3: [2025-02-08 00:55:04,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L991-1: havoc #t~post43#1; [2025-02-08 00:55:04,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L991-2: ~i~0#1 := 1 + #t~post43#1; [2025-02-08 00:55:04,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L991-3: #t~post43#1 := ~i~0#1; [2025-02-08 00:55:04,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L971-1: push_#res#1 := 0; [2025-02-08 00:55:04,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996: assume -1 == #t~ret41#1; [2025-02-08 00:55:04,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996: assume !(-1 == #t~ret41#1); [2025-02-08 00:55:04,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-1: havoc #t~ret41#1;assume { :begin_inline_error } true; [2025-02-08 00:55:04,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-2: havoc #t~ret41#1; [2025-02-08 00:55:04,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-3: assume { :end_inline_push } true;assume -2147483648 <= #t~ret41#1 && #t~ret41#1 <= 2147483647; [2025-02-08 00:55:04,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-4: havoc push_#in~stack#1.base, push_#in~stack#1.offset, push_#in~x#1; [2025-02-08 00:55:04,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-5: havoc push_#t~ret33#1, push_#t~ret34#1, push_~stack#1.base, push_~stack#1.offset, push_~x#1; [2025-02-08 00:55:04,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-6: #t~ret41#1 := push_#res#1; [2025-02-08 00:55:04,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L968: havoc push_#t~ret34#1; [2025-02-08 00:55:04,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L968-1: SUMMARY for call write~int#2(push_~x#1, push_~stack#1.base, push_~stack#1.offset + 4 * push_#t~ret34#1, 4); srcloc: null [2025-02-08 00:55:04,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L968-2: assume { :end_inline_get_top } true;assume -2147483648 <= push_#t~ret34#1 && push_#t~ret34#1 <= 2147483647; [2025-02-08 00:55:04,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L997: assume { :end_inline_error } true; [2025-02-08 00:55:04,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L968-3: push_#t~ret34#1 := get_top_#res#1; [2025-02-08 00:55:04,647 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L985-1: pop_#res#1 := 0; [2025-02-08 00:55:04,647 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L977: havoc pop_#t~ret36#1; [2025-02-08 00:55:04,647 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L977-1: havoc pop_#t~ret36#1; [2025-02-08 00:55:04,647 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L953-1: get_top_#res#1 := ~top~0; [2025-02-08 00:55:04,647 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L982: assume { :end_inline_dec_top } true;assume { :begin_inline_get_top } true;havoc get_top_#res#1; [2025-02-08 00:55:04,647 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L982-1: havoc dec_top_#t~post32#1; [2025-02-08 00:55:04,647 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L949: havoc dec_top_#t~post32#1; [2025-02-08 00:55:04,647 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L949-1: ~top~0 := dec_top_#t~post32#1 - 1; [2025-02-08 00:55:04,647 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L982-2: assume { :begin_inline_dec_top } true;havoc dec_top_#t~post32#1; [2025-02-08 00:55:04,647 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1011: assume !(-2 != #t~ret45#1); [2025-02-08 00:55:04,647 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1011: assume !!(-2 != #t~ret45#1); [2025-02-08 00:55:04,647 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L949-2: dec_top_#t~post32#1 := ~top~0; [2025-02-08 00:55:04,647 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1011-1: havoc #t~ret45#1;assume { :begin_inline_error } true; [2025-02-08 00:55:04,647 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1011-2: havoc #t~ret45#1; [2025-02-08 00:55:04,647 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L978-1: pop_#res#1 := -2; [2025-02-08 00:55:04,647 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1011-3: assume { :end_inline_pop } true;assume -2147483648 <= #t~ret45#1 && #t~ret45#1 <= 2147483647; [2025-02-08 00:55:04,647 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1011-4: havoc pop_#in~stack#1.base, pop_#in~stack#1.offset; [2025-02-08 00:55:04,647 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1011-5: havoc pop_#t~ret35#1, pop_#t~ret36#1, pop_#t~ret37#1, pop_#t~mem38#1, pop_~stack#1.base, pop_~stack#1.offset; [2025-02-08 00:55:04,648 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1011-6: #t~ret45#1 := pop_#res#1; [2025-02-08 00:55:04,648 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L941-1: assume false; [2025-02-08 00:55:04,648 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L941-1: assume !false; [2025-02-08 00:55:04,648 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L941-2: assume false; [2025-02-08 00:55:04,648 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L983: havoc pop_#t~mem38#1; [2025-02-08 00:55:04,648 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L983-1: havoc pop_#t~ret37#1; [2025-02-08 00:55:04,648 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1012: assume { :end_inline_error } true; [2025-02-08 00:55:04,648 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L983-3: havoc pop_#t~mem38#1; [2025-02-08 00:55:04,648 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L983-4: havoc pop_#t~ret37#1; [2025-02-08 00:55:04,648 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L983-5: pop_#res#1 := (if pop_#t~mem38#1 % 4294967296 % 4294967296 <= 2147483647 then pop_#t~mem38#1 % 4294967296 % 4294967296 else pop_#t~mem38#1 % 4294967296 % 4294967296 - 4294967296); [2025-02-08 00:55:04,648 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L983-6: SUMMARY for call pop_#t~mem38#1 := read~int#2(pop_~stack#1.base, pop_~stack#1.offset + 4 * pop_#t~ret37#1, 4); srcloc: null [2025-02-08 00:55:04,648 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L983-7: assume { :end_inline_get_top } true;assume -2147483648 <= pop_#t~ret37#1 && pop_#t~ret37#1 <= 2147483647; [2025-02-08 00:55:04,648 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L983-8: pop_#t~ret37#1 := get_top_#res#1; [2025-02-08 00:55:04,648 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L975: assume 0 == pop_#t~ret35#1; [2025-02-08 00:55:04,648 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L975: assume !(0 == pop_#t~ret35#1); [2025-02-08 00:55:04,648 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L975-1: havoc pop_#t~ret35#1; [2025-02-08 00:55:04,648 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L975-2: havoc pop_#t~ret35#1; [2025-02-08 00:55:04,648 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L975-3: assume { :end_inline_get_top } true;assume -2147483648 <= pop_#t~ret35#1 && pop_#t~ret35#1 <= 2147483647; [2025-02-08 00:55:04,648 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L975-4: pop_#t~ret35#1 := get_top_#res#1; [2025-02-08 00:55:04,649 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 00:55:04,649 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 00:55:14,074 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 00:55:14,074 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 00:55:14,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 12:55:14 BoogieIcfgContainer [2025-02-08 00:55:14,074 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 00:55:14,076 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 00:55:14,076 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 00:55:14,079 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 00:55:14,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 12:55:02" (1/3) ... [2025-02-08 00:55:14,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4ad9bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 12:55:14, skipping insertion in model container [2025-02-08 00:55:14,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 12:55:03" (2/3) ... [2025-02-08 00:55:14,080 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4ad9bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 12:55:14, skipping insertion in model container [2025-02-08 00:55:14,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 12:55:14" (3/3) ... [2025-02-08 00:55:14,081 INFO L128 eAbstractionObserver]: Analyzing ICFG stack_longest-1.i [2025-02-08 00:55:14,091 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 00:55:14,092 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG stack_longest-1.i that has 3 procedures, 26 locations, 1 initial locations, 2 loop locations, and 2 error locations. [2025-02-08 00:55:14,093 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 00:55:14,147 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-02-08 00:55:14,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 26 transitions, 66 flow [2025-02-08 00:55:14,203 INFO L124 PetriNetUnfolderBase]: 1/24 cut-off events. [2025-02-08 00:55:14,206 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-08 00:55:14,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33 conditions, 24 events. 1/24 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 43 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2025-02-08 00:55:14,210 INFO L82 GeneralOperation]: Start removeDead. Operand has 32 places, 26 transitions, 66 flow [2025-02-08 00:55:14,211 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2025-02-08 00:55:14,218 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 00:55:14,228 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@215d4f9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 00:55:14,228 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-08 00:55:14,229 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2025-02-08 00:55:14,229 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 00:55:14,231 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2025-02-08 00:55:14,231 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2025-02-08 00:55:14,232 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-08 00:55:14,235 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 00:55:14,235 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 00:55:14,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 12:55:14 BasicIcfg [2025-02-08 00:55:14,240 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 00:55:14,241 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 00:55:14,241 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 00:55:14,241 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 00:55:14,242 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 12:55:14" (3/4) ... [2025-02-08 00:55:14,243 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 00:55:14,245 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t1 [2025-02-08 00:55:14,245 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t2 [2025-02-08 00:55:14,261 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 429 nodes and edges [2025-02-08 00:55:14,262 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 213 nodes and edges [2025-02-08 00:55:14,263 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 108 nodes and edges [2025-02-08 00:55:14,264 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2025-02-08 00:55:14,265 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2025-02-08 00:55:14,265 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2025-02-08 00:55:14,266 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-02-08 00:55:14,267 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-08 00:55:14,268 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 00:55:14,269 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 00:55:14,364 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 00:55:14,364 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 00:55:14,364 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 00:55:14,365 INFO L158 Benchmark]: Toolchain (without parser) took 11507.53ms. Allocated memory was 167.8MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 129.4MB in the beginning and 2.2GB in the end (delta: -2.0GB). Peak memory consumption was 510.8MB. Max. memory is 16.1GB. [2025-02-08 00:55:14,366 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 00:55:14,367 INFO L158 Benchmark]: CACSL2BoogieTranslator took 511.32ms. Allocated memory is still 167.8MB. Free memory was 129.4MB in the beginning and 91.6MB in the end (delta: 37.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-08 00:55:14,368 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.00ms. Allocated memory is still 167.8MB. Free memory was 91.6MB in the beginning and 82.8MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 00:55:14,368 INFO L158 Benchmark]: Boogie Preprocessor took 94.42ms. Allocated memory is still 167.8MB. Free memory was 82.8MB in the beginning and 75.8MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 00:55:14,369 INFO L158 Benchmark]: IcfgBuilder took 10526.25ms. Allocated memory was 167.8MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 75.8MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2025-02-08 00:55:14,370 INFO L158 Benchmark]: TraceAbstraction took 164.15ms. Allocated memory is still 2.7GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 29.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 00:55:14,370 INFO L158 Benchmark]: Witness Printer took 123.51ms. Allocated memory is still 2.7GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 00:55:14,371 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 511.32ms. Allocated memory is still 167.8MB. Free memory was 129.4MB in the beginning and 91.6MB in the end (delta: 37.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.00ms. Allocated memory is still 167.8MB. Free memory was 91.6MB in the beginning and 82.8MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.42ms. Allocated memory is still 167.8MB. Free memory was 82.8MB in the beginning and 75.8MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 10526.25ms. Allocated memory was 167.8MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 75.8MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * TraceAbstraction took 164.15ms. Allocated memory is still 2.7GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 29.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 123.51ms. Allocated memory is still 2.7GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 45 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 00:55:14,384 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: TRUE