./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 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/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) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '530cbf448b6cf17c0bca095a1467011270d511aa4e4e955e07dc3df8c3dfe236'] 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-?-4f9af40 [2024-11-07 23:23:19,217 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 23:23:19,323 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 23:23:19,334 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 23:23:19,335 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 23:23:19,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 23:23:19,365 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 23:23:19,365 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 23:23:19,366 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 23:23:19,367 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 23:23:19,367 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 23:23:19,367 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 23:23:19,367 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 23:23:19,368 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 23:23:19,368 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 23:23:19,368 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 23:23:19,368 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 23:23:19,369 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 23:23:19,369 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 23:23:19,369 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 23:23:19,369 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 23:23:19,369 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 23:23:19,370 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 23:23:19,370 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 23:23:19,370 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 23:23:19,370 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 23:23:19,370 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 23:23:19,370 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 23:23:19,370 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 23:23:19,370 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 23:23:19,371 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 23:23:19,371 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 23:23:19,371 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 23:23:19,371 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 23:23:19,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:23:19,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 23:23:19,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 23:23:19,372 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 23:23:19,372 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 23:23:19,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 23:23:19,372 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 23:23:19,372 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 23:23:19,373 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 23:23:19,373 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 23:23:19,373 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 [2024-11-07 23:23:19,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 23:23:19,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 23:23:19,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 23:23:19,674 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 23:23:19,675 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 23:23:19,676 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/18_read_write_lock.i [2024-11-07 23:23:20,932 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 23:23:21,198 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 23:23:21,202 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-ext/18_read_write_lock.i [2024-11-07 23:23:21,220 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2f5363329/38df2374830e4e42be51cf219e2c6fba/FLAG2bd998a8b [2024-11-07 23:23:21,237 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2f5363329/38df2374830e4e42be51cf219e2c6fba [2024-11-07 23:23:21,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 23:23:21,241 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 23:23:21,242 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 23:23:21,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 23:23:21,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 23:23:21,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:23:21" (1/1) ... [2024-11-07 23:23:21,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@728f0ba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:21, skipping insertion in model container [2024-11-07 23:23:21,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:23:21" (1/1) ... [2024-11-07 23:23:21,288 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 23:23:21,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:23:21,609 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 23:23:21,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:23:21,684 INFO L204 MainTranslator]: Completed translation [2024-11-07 23:23:21,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:21 WrapperNode [2024-11-07 23:23:21,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 23:23:21,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 23:23:21,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 23:23:21,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 23:23:21,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:21" (1/1) ... [2024-11-07 23:23:21,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:21" (1/1) ... [2024-11-07 23:23:21,724 INFO L138 Inliner]: procedures = 165, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-07 23:23:21,725 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 23:23:21,727 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 23:23:21,727 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 23:23:21,729 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 23:23:21,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:21" (1/1) ... [2024-11-07 23:23:21,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:21" (1/1) ... [2024-11-07 23:23:21,739 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:21" (1/1) ... [2024-11-07 23:23:21,756 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]. [2024-11-07 23:23:21,758 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:21" (1/1) ... [2024-11-07 23:23:21,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:21" (1/1) ... [2024-11-07 23:23:21,764 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:21" (1/1) ... [2024-11-07 23:23:21,770 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:21" (1/1) ... [2024-11-07 23:23:21,773 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:21" (1/1) ... [2024-11-07 23:23:21,774 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:21" (1/1) ... [2024-11-07 23:23:21,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 23:23:21,779 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 23:23:21,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 23:23:21,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 23:23:21,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:21" (1/1) ... [2024-11-07 23:23:21,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:23:21,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:23:21,811 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) [2024-11-07 23:23:21,814 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 [2024-11-07 23:23:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2024-11-07 23:23:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-07 23:23:21,836 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-07 23:23:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2024-11-07 23:23:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-07 23:23:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 23:23:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock [2024-11-07 23:23:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 23:23:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 23:23:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-07 23:23:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 23:23:21,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 23:23:21,839 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-07 23:23:21,972 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 23:23:21,975 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 23:23:22,147 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 23:23:22,147 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 23:23:22,287 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 23:23:22,287 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 23:23:22,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:23:22 BoogieIcfgContainer [2024-11-07 23:23:22,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 23:23:22,290 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 23:23:22,291 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 23:23:22,295 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 23:23:22,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:23:21" (1/3) ... [2024-11-07 23:23:22,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c5ccc1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:23:22, skipping insertion in model container [2024-11-07 23:23:22,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:23:21" (2/3) ... [2024-11-07 23:23:22,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c5ccc1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:23:22, skipping insertion in model container [2024-11-07 23:23:22,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:23:22" (3/3) ... [2024-11-07 23:23:22,298 INFO L112 eAbstractionObserver]: Analyzing ICFG 18_read_write_lock.i [2024-11-07 23:23:22,311 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 23:23:22,312 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-11-07 23:23:22,314 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c5ccc1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 11:23:22, skipping insertion in model container [2024-11-07 23:23:22,314 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 23:23:22,315 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 23:23:22,315 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 23:23:22,315 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 23:23:22,315 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:23:22" (3/3) ... [2024-11-07 23:23:22,318 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 23:23:22,320 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2024-11-07 23:23:22,324 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2024-11-07 23:23:22,325 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-07 23:23:22,325 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-07 23:23:22,325 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-07 23:23:22,387 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 23:23:22,387 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 23:23:22,388 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 23:23:22,391 INFO L158 Benchmark]: Toolchain (without parser) took 1147.57ms. Allocated memory is still 100.7MB. Free memory was 76.2MB in the beginning and 59.8MB in the end (delta: 16.4MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-11-07 23:23:22,393 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:23:22,393 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.85ms. Allocated memory is still 100.7MB. Free memory was 76.0MB in the beginning and 56.6MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 23:23:22,393 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.31ms. Allocated memory is still 100.7MB. Free memory was 56.6MB in the beginning and 54.9MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 23:23:22,394 INFO L158 Benchmark]: Boogie Preprocessor took 48.32ms. Allocated memory is still 100.7MB. Free memory was 54.9MB in the beginning and 53.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:23:22,394 INFO L158 Benchmark]: RCFGBuilder took 509.30ms. Allocated memory is still 100.7MB. Free memory was 53.4MB in the beginning and 66.4MB in the end (delta: -13.0MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2024-11-07 23:23:22,395 INFO L158 Benchmark]: TraceAbstraction took 24.08ms. Allocated memory is still 100.7MB. Free memory was 65.9MB in the beginning and 63.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:23:22,396 INFO L158 Benchmark]: Witness Printer took 72.97ms. Allocated memory is still 100.7MB. Free memory was 63.9MB in the beginning and 59.8MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:23:22,397 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 443.85ms. Allocated memory is still 100.7MB. Free memory was 76.0MB in the beginning and 56.6MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.31ms. Allocated memory is still 100.7MB. Free memory was 56.6MB in the beginning and 54.9MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.32ms. Allocated memory is still 100.7MB. Free memory was 54.9MB in the beginning and 53.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 509.30ms. Allocated memory is still 100.7MB. Free memory was 53.4MB in the beginning and 66.4MB in the end (delta: -13.0MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. * TraceAbstraction took 24.08ms. Allocated memory is still 100.7MB. Free memory was 65.9MB in the beginning and 63.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 72.97ms. Allocated memory is still 100.7MB. Free memory was 63.9MB in the beginning and 59.8MB in the end (delta: 4.1MB). There was no memory consumed. 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! [2024-11-07 23:23:22,423 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