./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-ext/18_read_write_lock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 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/18_read_write_lock.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 530cbf448b6cf17c0bca095a1467011270d511aa4e4e955e07dc3df8c3dfe236 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 06:34:23,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 06:34:23,330 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 06:34:23,334 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 06:34:23,334 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 06:34:23,348 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 06:34:23,349 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 06:34:23,349 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 06:34:23,349 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 06:34:23,349 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 06:34:23,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 06:34:23,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 06:34:23,350 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 06:34:23,350 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 06:34:23,350 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 06:34:23,350 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 06:34:23,350 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 06:34:23,350 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 06:34:23,351 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 06:34:23,351 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 06:34:23,351 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 06:34:23,351 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 06:34:23,351 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 06:34:23,351 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 06:34:23,351 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 06:34:23,351 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 06:34:23,351 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 06:34:23,351 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 06:34:23,351 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 06:34:23,351 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 06:34:23,352 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 06:34:23,352 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:34:23,352 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:34:23,352 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:34:23,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:34:23,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 06:34:23,352 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:34:23,352 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:34:23,352 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:34:23,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:34:23,352 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 06:34:23,353 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 06:34:23,353 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 06:34:23,353 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 06:34:23,353 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 06:34:23,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 06:34:23,353 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 06:34:23,353 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 06:34:23,353 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 06:34:23,353 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 06:34:23,353 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 ! overflow) ) 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 -> 530cbf448b6cf17c0bca095a1467011270d511aa4e4e955e07dc3df8c3dfe236 [2025-01-10 06:34:23,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 06:34:23,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 06:34:23,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 06:34:23,575 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 06:34:23,575 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 06:34:23,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/18_read_write_lock.i [2025-01-10 06:34:24,782 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0ef95db0d/e658862cf0b9480da006dce37b39bd3b/FLAG7c51bf795 [2025-01-10 06:34:25,218 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 06:34:25,219 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-ext/18_read_write_lock.i [2025-01-10 06:34:25,235 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0ef95db0d/e658862cf0b9480da006dce37b39bd3b/FLAG7c51bf795 [2025-01-10 06:34:25,412 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0ef95db0d/e658862cf0b9480da006dce37b39bd3b [2025-01-10 06:34:25,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 06:34:25,415 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 06:34:25,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 06:34:25,417 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 06:34:25,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 06:34:25,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:34:25" (1/1) ... [2025-01-10 06:34:25,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29aaf455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:25, skipping insertion in model container [2025-01-10 06:34:25,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:34:25" (1/1) ... [2025-01-10 06:34:25,451 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 06:34:25,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:34:25,721 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 06:34:25,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:34:25,800 INFO L204 MainTranslator]: Completed translation [2025-01-10 06:34:25,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:25 WrapperNode [2025-01-10 06:34:25,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 06:34:25,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 06:34:25,804 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 06:34:25,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 06:34:25,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:25" (1/1) ... [2025-01-10 06:34:25,820 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:25" (1/1) ... [2025-01-10 06:34:25,836 INFO L138 Inliner]: procedures = 165, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2025-01-10 06:34:25,837 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 06:34:25,837 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 06:34:25,837 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 06:34:25,838 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 06:34:25,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:25" (1/1) ... [2025-01-10 06:34:25,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:25" (1/1) ... [2025-01-10 06:34:25,853 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:25" (1/1) ... [2025-01-10 06:34:25,866 INFO L175 MemorySlicer]: Split 13 memory accesses to 2 slices as follows [2, 11]. 85 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 11]. The 0 writes are split as follows [0, 0]. [2025-01-10 06:34:25,866 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:25" (1/1) ... [2025-01-10 06:34:25,866 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:25" (1/1) ... [2025-01-10 06:34:25,871 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:25" (1/1) ... [2025-01-10 06:34:25,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:25" (1/1) ... [2025-01-10 06:34:25,876 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:25" (1/1) ... [2025-01-10 06:34:25,877 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:25" (1/1) ... [2025-01-10 06:34:25,877 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:25" (1/1) ... [2025-01-10 06:34:25,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 06:34:25,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 06:34:25,882 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 06:34:25,882 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 06:34:25,883 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:25" (1/1) ... [2025-01-10 06:34:25,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:34:25,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:34:25,915 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) [2025-01-10 06:34:25,920 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 [2025-01-10 06:34:25,933 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2025-01-10 06:34:25,934 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2025-01-10 06:34:25,934 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2025-01-10 06:34:25,934 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2025-01-10 06:34:25,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-10 06:34:25,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 06:34:25,934 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock [2025-01-10 06:34:25,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 06:34:25,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-10 06:34:25,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-10 06:34:25,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 06:34:25,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 06:34:25,935 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-10 06:34:26,041 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 06:34:26,042 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 06:34:26,164 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-10 06:34:26,164 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 06:34:26,347 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 06:34:26,347 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 06:34:26,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:34:26 BoogieIcfgContainer [2025-01-10 06:34:26,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 06:34:26,349 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 06:34:26,349 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 06:34:26,360 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 06:34:26,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:34:25" (1/3) ... [2025-01-10 06:34:26,364 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd68593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:34:26, skipping insertion in model container [2025-01-10 06:34:26,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:34:25" (2/3) ... [2025-01-10 06:34:26,364 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd68593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:34:26, skipping insertion in model container [2025-01-10 06:34:26,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:34:26" (3/3) ... [2025-01-10 06:34:26,365 INFO L128 eAbstractionObserver]: Analyzing ICFG 18_read_write_lock.i [2025-01-10 06:34:26,381 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 06:34:26,382 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 18_read_write_lock.i that has 2 procedures, 19 locations, 1 initial locations, 0 loop locations, and 0 error locations. [2025-01-10 06:34:26,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd68593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:34:26, skipping insertion in model container [2025-01-10 06:34:26,384 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-10 06:34:26,384 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 06:34:26,384 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 06:34:26,384 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 06:34:26,385 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:34:26" (3/3) ... [2025-01-10 06:34:26,386 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-10 06:34:26,389 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2025-01-10 06:34:26,391 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2025-01-10 06:34:26,391 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-01-10 06:34:26,392 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-01-10 06:34:26,392 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-10 06:34:26,454 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 06:34:26,454 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-10 06:34:26,454 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 06:34:26,457 INFO L158 Benchmark]: Toolchain (without parser) took 1039.49ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 48.7MB in the end (delta: 55.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-01-10 06:34:26,457 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 201.3MB. Free memory is still 125.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 06:34:26,457 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.00ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 84.0MB in the end (delta: 19.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-10 06:34:26,457 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.97ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 83.1MB in the end (delta: 908.3kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 06:34:26,457 INFO L158 Benchmark]: Boogie Preprocessor took 44.00ms. Allocated memory is still 142.6MB. Free memory was 82.2MB in the beginning and 81.3MB in the end (delta: 897.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 06:34:26,458 INFO L158 Benchmark]: RCFGBuilder took 465.88ms. Allocated memory is still 142.6MB. Free memory was 81.3MB in the beginning and 56.2MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-10 06:34:26,458 INFO L158 Benchmark]: TraceAbstraction took 34.52ms. Allocated memory is still 142.6MB. Free memory was 55.3MB in the beginning and 53.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 06:34:26,458 INFO L158 Benchmark]: Witness Printer took 70.06ms. Allocated memory is still 142.6MB. Free memory was 53.5MB in the beginning and 48.7MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 06:34:26,459 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 201.3MB. Free memory is still 125.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.00ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 84.0MB in the end (delta: 19.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.97ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 83.1MB in the end (delta: 908.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.00ms. Allocated memory is still 142.6MB. Free memory was 82.2MB in the beginning and 81.3MB in the end (delta: 897.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 465.88ms. Allocated memory is still 142.6MB. Free memory was 81.3MB in the beginning and 56.2MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 34.52ms. Allocated memory is still 142.6MB. Free memory was 55.3MB in the beginning and 53.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 70.06ms. Allocated memory is still 142.6MB. Free memory was 53.5MB in the beginning and 48.7MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2025-01-10 06:34:26,475 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 Writing output log to file Ultimate.log Result: TRUE