./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/NestedRecursion_1a-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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/AutomizerMemDerefMemtrack.xml', '-i', '../sv-benchmarks/c/termination-crafted/NestedRecursion_1a-2.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 valid-free) )\nCHECK( init(main()), LTL(G valid-deref) )\nCHECK( init(main()), LTL(G valid-memtrack) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', 'd925f1aaa578011e84cee59af464c9f4e53ab5dc54b7f9269f34505d8383253a'] 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/termination-crafted/NestedRecursion_1a-2.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 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 64bit --witnessprinter.graph.data.programhash d925f1aaa578011e84cee59af464c9f4e53ab5dc54b7f9269f34505d8383253a --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 16:52:54,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 16:52:54,149 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2024-11-07 16:52:54,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 16:52:54,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 16:52:54,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 16:52:54,176 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 16:52:54,176 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 16:52:54,176 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 16:52:54,177 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 16:52:54,177 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 16:52:54,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 16:52:54,177 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 16:52:54,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 16:52:54,178 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 16:52:54,178 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 16:52:54,179 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 16:52:54,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 16:52:54,179 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-07 16:52:54,179 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-07 16:52:54,179 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-07 16:52:54,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 16:52:54,179 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 16:52:54,179 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 16:52:54,179 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 16:52:54,179 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 16:52:54,180 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 16:52:54,180 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 16:52:54,180 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 16:52:54,180 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 16:52:54,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 16:52:54,180 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 16:52:54,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 16:52:54,181 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 16:52:54,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 16:52:54,181 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 16:52:54,181 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 16:52:54,181 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 16:52:54,182 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 16:52:54,182 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 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d925f1aaa578011e84cee59af464c9f4e53ab5dc54b7f9269f34505d8383253a [2024-11-07 16:52:54,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 16:52:54,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 16:52:54,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 16:52:54,436 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 16:52:54,436 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 16:52:54,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/NestedRecursion_1a-2.c [2024-11-07 16:52:55,659 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 16:52:55,822 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 16:52:55,822 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-crafted/NestedRecursion_1a-2.c [2024-11-07 16:52:55,839 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a9d6d1ae3/649f1332d5464d009a234b4cc711f277/FLAG0e6abb008 [2024-11-07 16:52:56,229 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a9d6d1ae3/649f1332d5464d009a234b4cc711f277 [2024-11-07 16:52:56,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 16:52:56,237 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 16:52:56,238 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 16:52:56,238 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 16:52:56,240 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 16:52:56,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:52:56" (1/1) ... [2024-11-07 16:52:56,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cb76cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:52:56, skipping insertion in model container [2024-11-07 16:52:56,241 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:52:56" (1/1) ... [2024-11-07 16:52:56,249 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 16:52:56,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 16:52:56,342 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 16:52:56,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 16:52:56,360 INFO L204 MainTranslator]: Completed translation [2024-11-07 16:52:56,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:52:56 WrapperNode [2024-11-07 16:52:56,361 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 16:52:56,361 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 16:52:56,362 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 16:52:56,362 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 16:52:56,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:52:56" (1/1) ... [2024-11-07 16:52:56,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:52:56" (1/1) ... [2024-11-07 16:52:56,375 INFO L138 Inliner]: procedures = 6, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12 [2024-11-07 16:52:56,375 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 16:52:56,376 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 16:52:56,376 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 16:52:56,376 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 16:52:56,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:52:56" (1/1) ... [2024-11-07 16:52:56,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:52:56" (1/1) ... [2024-11-07 16:52:56,381 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:52:56" (1/1) ... [2024-11-07 16:52:56,383 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-07 16:52:56,384 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:52:56" (1/1) ... [2024-11-07 16:52:56,384 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:52:56" (1/1) ... [2024-11-07 16:52:56,385 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:52:56" (1/1) ... [2024-11-07 16:52:56,385 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:52:56" (1/1) ... [2024-11-07 16:52:56,386 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:52:56" (1/1) ... [2024-11-07 16:52:56,386 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:52:56" (1/1) ... [2024-11-07 16:52:56,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 16:52:56,387 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 16:52:56,387 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 16:52:56,388 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 16:52:56,388 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:52:56" (1/1) ... [2024-11-07 16:52:56,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 16:52:56,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:52:56,408 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 16:52:56,411 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 16:52:56,429 INFO L130 BoogieDeclarations]: Found specification of procedure rec1 [2024-11-07 16:52:56,430 INFO L138 BoogieDeclarations]: Found implementation of procedure rec1 [2024-11-07 16:52:56,430 INFO L130 BoogieDeclarations]: Found specification of procedure rec2 [2024-11-07 16:52:56,430 INFO L138 BoogieDeclarations]: Found implementation of procedure rec2 [2024-11-07 16:52:56,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 16:52:56,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 16:52:56,470 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 16:52:56,471 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 16:52:56,550 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-07 16:52:56,551 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 16:52:56,557 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 16:52:56,558 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 16:52:56,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:52:56 BoogieIcfgContainer [2024-11-07 16:52:56,558 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 16:52:56,561 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 16:52:56,561 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 16:52:56,564 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 16:52:56,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:52:56" (1/3) ... [2024-11-07 16:52:56,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a5ea059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:52:56, skipping insertion in model container [2024-11-07 16:52:56,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:52:56" (2/3) ... [2024-11-07 16:52:56,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a5ea059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:52:56, skipping insertion in model container [2024-11-07 16:52:56,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:52:56" (3/3) ... [2024-11-07 16:52:56,566 INFO L112 eAbstractionObserver]: Analyzing ICFG NestedRecursion_1a-2.c [2024-11-07 16:52:56,575 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 16:52:56,576 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-11-07 16:52:56,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a5ea059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:52:56, skipping insertion in model container [2024-11-07 16:52:56,577 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 16:52:56,578 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 16:52:56,578 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 16:52:56,578 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 16:52:56,579 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:52:56" (3/3) ... [2024-11-07 16:52:56,580 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 16:52:56,583 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure rec1 [2024-11-07 16:52:56,583 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure rec2 [2024-11-07 16:52:56,587 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-07 16:52:56,588 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-07 16:52:56,588 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-07 16:52:56,642 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 16:52:56,642 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 16:52:56,642 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 16:52:56,644 INFO L158 Benchmark]: Toolchain (without parser) took 406.66ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 64.2MB in the end (delta: 28.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-07 16:52:56,646 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 117.4MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 16:52:56,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 123.38ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 82.4MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 16:52:56,646 INFO L158 Benchmark]: Boogie Procedure Inliner took 14.00ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 81.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 16:52:56,647 INFO L158 Benchmark]: Boogie Preprocessor took 11.35ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.4MB in the end (delta: 951.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 16:52:56,647 INFO L158 Benchmark]: RCFGBuilder took 170.68ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 71.1MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 16:52:56,649 INFO L158 Benchmark]: TraceAbstraction took 16.71ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 68.7MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 16:52:56,649 INFO L158 Benchmark]: Witness Printer took 65.04ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 64.2MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 16:52:56,650 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 117.4MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 123.38ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 82.4MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 14.00ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 81.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.35ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.4MB in the end (delta: 951.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 170.68ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 71.1MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 16.71ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 68.7MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 65.04ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 64.2MB in the end (delta: 4.3MB). 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 16:52:56,669 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