./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/pthread-theta/wsc.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version da043454 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/pthread-theta/wsc.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b5d2cea530a9e3855b73e6a32a34f817615c3537f9111a0418ba35ae88ddb949 --- Real Ultimate output --- This is Ultimate 0.3.0-wip.fs.system-includes-da04345-m [2025-04-29 11:26:07,232 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-29 11:26:07,273 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-04-29 11:26:07,276 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-29 11:26:07,276 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-29 11:26:07,293 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-29 11:26:07,293 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-29 11:26:07,294 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-29 11:26:07,294 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-29 11:26:07,294 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-29 11:26:07,295 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-29 11:26:07,295 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-29 11:26:07,295 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-29 11:26:07,295 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-29 11:26:07,295 INFO L153 SettingsManager]: * Use SBE=true [2025-04-29 11:26:07,296 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-29 11:26:07,296 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-29 11:26:07,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-29 11:26:07,296 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-29 11:26:07,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-29 11:26:07,296 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-04-29 11:26:07,296 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-04-29 11:26:07,296 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-04-29 11:26:07,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-29 11:26:07,296 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-04-29 11:26:07,296 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-04-29 11:26:07,296 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-29 11:26:07,296 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-29 11:26:07,296 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-29 11:26:07,296 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-29 11:26:07,296 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 11:26:07,297 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-29 11:26:07,297 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 11:26:07,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:26:07,297 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-29 11:26:07,297 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 11:26:07,297 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-29 11:26:07,297 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 11:26:07,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:26:07,297 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-29 11:26:07,297 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-29 11:26:07,297 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-29 11:26:07,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-29 11:26:07,297 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-29 11:26:07,297 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-29 11:26:07,297 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-29 11:26:07,297 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/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5d2cea530a9e3855b73e6a32a34f817615c3537f9111a0418ba35ae88ddb949 [2025-04-29 11:26:07,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-29 11:26:07,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-29 11:26:07,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-29 11:26:07,509 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-29 11:26:07,510 INFO L274 PluginConnector]: CDTParser initialized [2025-04-29 11:26:07,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-theta/wsc.c [2025-04-29 11:26:08,783 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f378b7d16/48a565fd345a4c40bdfb974aacc5a8a4/FLAGf2f8fa892 [2025-04-29 11:26:08,957 INFO L389 CDTParser]: Found 1 translation units. [2025-04-29 11:26:08,959 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-theta/wsc.c [2025-04-29 11:26:08,961 WARN L117 ultiparseSymbolTable]: System include assert.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 11:26:08,961 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 11:26:08,961 WARN L117 ultiparseSymbolTable]: System include stdatomic.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 11:26:08,967 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f378b7d16/48a565fd345a4c40bdfb974aacc5a8a4/FLAGf2f8fa892 [2025-04-29 11:26:09,834 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f378b7d16/48a565fd345a4c40bdfb974aacc5a8a4 [2025-04-29 11:26:09,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-29 11:26:09,837 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-29 11:26:09,837 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-29 11:26:09,837 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-29 11:26:09,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-29 11:26:09,840 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 11:26:09" (1/1) ... [2025-04-29 11:26:09,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16a31211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:26:09, skipping insertion in model container [2025-04-29 11:26:09,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 11:26:09" (1/1) ... [2025-04-29 11:26:09,855 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-29 11:26:10,013 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 11:26:10,019 INFO L200 MainTranslator]: Completed pre-run [2025-04-29 11:26:10,050 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 11:26:10,062 INFO L204 MainTranslator]: Completed translation [2025-04-29 11:26:10,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:26:10 WrapperNode [2025-04-29 11:26:10,063 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-29 11:26:10,064 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-29 11:26:10,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-29 11:26:10,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-29 11:26:10,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:26:10" (1/1) ... [2025-04-29 11:26:10,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:26:10" (1/1) ... [2025-04-29 11:26:10,095 INFO L138 Inliner]: procedures = 13, calls = 17, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 113 [2025-04-29 11:26:10,097 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-29 11:26:10,098 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-29 11:26:10,098 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-29 11:26:10,098 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-29 11:26:10,103 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:26:10" (1/1) ... [2025-04-29 11:26:10,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:26:10" (1/1) ... [2025-04-29 11:26:10,105 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:26:10" (1/1) ... [2025-04-29 11:26:10,113 INFO L175 MemorySlicer]: No memory access in input program. [2025-04-29 11:26:10,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:26:10" (1/1) ... [2025-04-29 11:26:10,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:26:10" (1/1) ... [2025-04-29 11:26:10,116 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:26:10" (1/1) ... [2025-04-29 11:26:10,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:26:10" (1/1) ... [2025-04-29 11:26:10,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:26:10" (1/1) ... [2025-04-29 11:26:10,122 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:26:10" (1/1) ... [2025-04-29 11:26:10,122 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:26:10" (1/1) ... [2025-04-29 11:26:10,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-29 11:26:10,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-29 11:26:10,129 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-29 11:26:10,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-29 11:26:10,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:26:10" (1/1) ... [2025-04-29 11:26:10,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:26:10,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-29 11:26:10,154 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-29 11:26:10,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-29 11:26:10,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-29 11:26:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-29 11:26:10,172 INFO L130 BoogieDeclarations]: Found specification of procedure f0 [2025-04-29 11:26:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure f0 [2025-04-29 11:26:10,172 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2025-04-29 11:26:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2025-04-29 11:26:10,172 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2025-04-29 11:26:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2025-04-29 11:26:10,172 INFO L130 BoogieDeclarations]: Found specification of procedure f3 [2025-04-29 11:26:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure f3 [2025-04-29 11:26:10,172 INFO L130 BoogieDeclarations]: Found specification of procedure f4 [2025-04-29 11:26:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure f4 [2025-04-29 11:26:10,172 INFO L130 BoogieDeclarations]: Found specification of procedure f5 [2025-04-29 11:26:10,172 INFO L138 BoogieDeclarations]: Found implementation of procedure f5 [2025-04-29 11:26:10,173 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-29 11:26:10,240 INFO L234 CfgBuilder]: Building ICFG [2025-04-29 11:26:10,241 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-29 11:26:10,378 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-29 11:26:10,379 INFO L283 CfgBuilder]: Performing block encoding [2025-04-29 11:26:10,451 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-29 11:26:10,451 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-29 11:26:10,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:26:10 BoogieIcfgContainer [2025-04-29 11:26:10,452 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-29 11:26:10,453 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-29 11:26:10,453 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-29 11:26:10,456 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-29 11:26:10,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 11:26:09" (1/3) ... [2025-04-29 11:26:10,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a0a884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 11:26:10, skipping insertion in model container [2025-04-29 11:26:10,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:26:10" (2/3) ... [2025-04-29 11:26:10,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a0a884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 11:26:10, skipping insertion in model container [2025-04-29 11:26:10,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:26:10" (3/3) ... [2025-04-29 11:26:10,458 INFO L128 eAbstractionObserver]: Analyzing ICFG wsc.c [2025-04-29 11:26:10,471 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-29 11:26:10,472 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG wsc.c that has 7 procedures, 51 locations, 44 edges, 1 initial locations, 0 loop locations, and 1 error locations. [2025-04-29 11:26:10,472 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-29 11:26:10,529 INFO L143 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2025-04-29 11:26:10,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 69 places, 50 transitions, 142 flow [2025-04-29 11:26:10,584 INFO L116 PetriNetUnfolderBase]: 0/44 cut-off events. [2025-04-29 11:26:10,585 INFO L117 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-04-29 11:26:10,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 44 events. 0/44 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 69 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2025-04-29 11:26:10,588 INFO L82 GeneralOperation]: Start removeDead. Operand has 69 places, 50 transitions, 142 flow [2025-04-29 11:26:10,591 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 62 places, 43 transitions, 122 flow [2025-04-29 11:26:10,600 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-29 11:26:10,611 INFO L340 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=None, 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;@4a590543, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-29 11:26:10,611 INFO L341 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-04-29 11:26:10,633 INFO L177 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-04-29 11:26:10,633 INFO L116 PetriNetUnfolderBase]: 0/42 cut-off events. [2025-04-29 11:26:10,633 INFO L117 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-04-29 11:26:10,633 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:26:10,634 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-29 11:26:10,634 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-29 11:26:10,640 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:26:10,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1439170791, now seen corresponding path program 1 times [2025-04-29 11:26:10,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:26:10,647 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541788093] [2025-04-29 11:26:10,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:26:10,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:26:10,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-04-29 11:26:10,720 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-04-29 11:26:10,721 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:26:10,721 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:26:10,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-29 11:26:10,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:26:10,947 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541788093] [2025-04-29 11:26:10,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541788093] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:26:10,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:26:10,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:26:10,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333432312] [2025-04-29 11:26:10,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:26:10,954 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:26:10,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:26:10,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:26:10,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:26:10,983 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 50 [2025-04-29 11:26:10,985 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 43 transitions, 122 flow. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-29 11:26:10,986 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:26:10,986 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 50 [2025-04-29 11:26:10,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:26:11,814 INFO L116 PetriNetUnfolderBase]: 7314/10486 cut-off events. [2025-04-29 11:26:11,815 INFO L117 PetriNetUnfolderBase]: For 1083/1083 co-relation queries the response was YES. [2025-04-29 11:26:11,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21075 conditions, 10486 events. 7314/10486 cut-off events. For 1083/1083 co-relation queries the response was YES. Maximal size of possible extension queue 640. Compared 63692 event pairs, 5496 based on Foata normal form. 25/10495 useless extension candidates. Maximal degree in co-relation 20723. Up to 9584 conditions per place. [2025-04-29 11:26:11,857 INFO L140 encePairwiseOnDemand]: 42/50 looper letters, 0 selfloop transitions, 0 changer transitions 52/52 dead transitions. [2025-04-29 11:26:11,857 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 52 transitions, 236 flow [2025-04-29 11:26:11,858 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:26:11,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:26:11,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 98 transitions. [2025-04-29 11:26:11,867 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.6533333333333333 [2025-04-29 11:26:11,870 INFO L175 Difference]: Start difference. First operand has 62 places, 43 transitions, 122 flow. Second operand 3 states and 98 transitions. [2025-04-29 11:26:11,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 52 transitions, 236 flow [2025-04-29 11:26:11,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 52 transitions, 204 flow, removed 0 selfloop flow, removed 12 redundant places. [2025-04-29 11:26:11,888 INFO L231 Difference]: Finished difference. Result has 50 places, 0 transitions, 0 flow [2025-04-29 11:26:11,890 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=50, PETRI_TRANSITIONS=0} [2025-04-29 11:26:11,893 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, -12 predicate places. [2025-04-29 11:26:11,893 INFO L485 AbstractCegarLoop]: Abstraction has has 50 places, 0 transitions, 0 flow [2025-04-29 11:26:11,894 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-29 11:26:11,895 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2025-04-29 11:26:11,896 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 7 remaining) [2025-04-29 11:26:11,896 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2025-04-29 11:26:11,896 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2025-04-29 11:26:11,896 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2025-04-29 11:26:11,897 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2025-04-29 11:26:11,897 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 7 remaining) [2025-04-29 11:26:11,897 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-29 11:26:11,898 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-04-29 11:26:11,900 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-29 11:26:11,900 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-29 11:26:11,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 11:26:11 BasicIcfg [2025-04-29 11:26:11,904 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-29 11:26:11,904 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-29 11:26:11,904 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-29 11:26:11,905 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-29 11:26:11,905 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:26:10" (3/4) ... [2025-04-29 11:26:11,906 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-04-29 11:26:11,909 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure f0 [2025-04-29 11:26:11,909 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure f1 [2025-04-29 11:26:11,909 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure f2 [2025-04-29 11:26:11,909 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure f3 [2025-04-29 11:26:11,909 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure f4 [2025-04-29 11:26:11,909 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure f5 [2025-04-29 11:26:11,911 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2025-04-29 11:26:11,912 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2025-04-29 11:26:11,912 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-04-29 11:26:11,912 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-04-29 11:26:12,005 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-04-29 11:26:12,005 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-04-29 11:26:12,005 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-29 11:26:12,006 INFO L158 Benchmark]: Toolchain (without parser) took 2169.02ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 113.1MB in the beginning and 341.0MB in the end (delta: -227.8MB). Peak memory consumption was 281.0MB. Max. memory is 16.1GB. [2025-04-29 11:26:12,006 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:26:12,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.01ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 99.2MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 11:26:12,006 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.47ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 97.2MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 11:26:12,006 INFO L158 Benchmark]: Boogie Preprocessor took 30.90ms. Allocated memory is still 142.6MB. Free memory was 97.2MB in the beginning and 95.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:26:12,006 INFO L158 Benchmark]: RCFGBuilder took 322.97ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 67.6MB in the end (delta: 27.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-04-29 11:26:12,007 INFO L158 Benchmark]: TraceAbstraction took 1450.61ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 67.1MB in the beginning and 139.0MB in the end (delta: -71.9MB). Peak memory consumption was 205.4MB. Max. memory is 16.1GB. [2025-04-29 11:26:12,007 INFO L158 Benchmark]: Witness Printer took 100.75ms. Allocated memory is still 419.4MB. Free memory was 138.1MB in the beginning and 341.0MB in the end (delta: -202.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-04-29 11:26:12,007 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 123.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.01ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 99.2MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.47ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 97.2MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.90ms. Allocated memory is still 142.6MB. Free memory was 97.2MB in the beginning and 95.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 322.97ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 67.6MB in the end (delta: 27.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1450.61ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 67.1MB in the beginning and 139.0MB in the end (delta: -71.9MB). Peak memory consumption was 205.4MB. Max. memory is 16.1GB. * Witness Printer took 100.75ms. Allocated memory is still 419.4MB. Free memory was 138.1MB in the beginning and 341.0MB in the end (delta: -202.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 71]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 13 procedures, 85 locations, 84 edges, 7 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: 1.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 58 IncrementalHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 0 mSDtfsCounter, 58 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=0, InterpolantAutomatonStates: 3, 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: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 66 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-29 11:26:12,019 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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