./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/02_inc_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 23:44:49,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 23:44:49,343 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 23:44:49,348 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 23:44:49,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 23:44:49,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 23:44:49,404 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 23:44:49,404 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 23:44:49,405 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 23:44:49,405 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 23:44:49,418 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 23:44:49,418 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 23:44:49,419 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 23:44:49,419 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 23:44:49,419 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 23:44:49,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 23:44:49,420 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 23:44:49,420 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 23:44:49,420 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 23:44:49,420 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 23:44:49,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 23:44:49,425 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 23:44:49,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 23:44:49,425 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 23:44:49,426 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 23:44:49,426 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 23:44:49,426 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 23:44:49,426 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 23:44:49,426 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 23:44:49,427 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 23:44:49,427 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 23:44:49,427 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 23:44:49,427 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 23:44:49,427 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 23:44:49,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:44:49,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 23:44:49,428 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 23:44:49,428 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 23:44:49,428 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 23:44:49,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 23:44:49,428 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 23:44:49,432 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 23:44:49,432 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 23:44:49,432 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 23:44:49,432 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2024-10-14 23:44:49,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 23:44:49,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 23:44:49,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 23:44:49,646 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 23:44:49,646 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 23:44:49,647 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2024-10-14 23:44:50,983 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 23:44:51,200 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 23:44:51,201 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2024-10-14 23:44:51,221 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9d8ac09c/90b22cacba7b46b3a21bb59090d667da/FLAGfc8ed8b47 [2024-10-14 23:44:51,233 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9d8ac09c/90b22cacba7b46b3a21bb59090d667da [2024-10-14 23:44:51,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 23:44:51,237 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 23:44:51,238 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 23:44:51,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 23:44:51,243 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 23:44:51,244 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:44:51" (1/1) ... [2024-10-14 23:44:51,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@686816e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:44:51, skipping insertion in model container [2024-10-14 23:44:51,245 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:44:51" (1/1) ... [2024-10-14 23:44:51,281 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 23:44:51,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:44:51,640 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 23:44:51,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:44:51,725 INFO L204 MainTranslator]: Completed translation [2024-10-14 23:44:51,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:44:51 WrapperNode [2024-10-14 23:44:51,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 23:44:51,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 23:44:51,746 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 23:44:51,746 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 23:44:51,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:44:51" (1/1) ... [2024-10-14 23:44:51,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:44:51" (1/1) ... [2024-10-14 23:44:51,784 INFO L138 Inliner]: procedures = 170, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2024-10-14 23:44:51,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 23:44:51,785 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 23:44:51,785 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 23:44:51,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 23:44:51,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:44:51" (1/1) ... [2024-10-14 23:44:51,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:44:51" (1/1) ... [2024-10-14 23:44:51,796 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:44:51" (1/1) ... [2024-10-14 23:44:51,808 INFO L175 MemorySlicer]: Split 10 memory accesses to 3 slices as follows [2, 3, 5]. 50 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 1]. The 3 writes are split as follows [0, 2, 1]. [2024-10-14 23:44:51,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:44:51" (1/1) ... [2024-10-14 23:44:51,809 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:44:51" (1/1) ... [2024-10-14 23:44:51,815 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:44:51" (1/1) ... [2024-10-14 23:44:51,822 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:44:51" (1/1) ... [2024-10-14 23:44:51,824 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:44:51" (1/1) ... [2024-10-14 23:44:51,829 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:44:51" (1/1) ... [2024-10-14 23:44:51,844 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 23:44:51,845 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 23:44:51,845 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 23:44:51,845 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 23:44:51,846 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:44:51" (1/1) ... [2024-10-14 23:44:51,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:44:51,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:44:51,880 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) [2024-10-14 23:44:51,883 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 [2024-10-14 23:44:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 23:44:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 23:44:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-14 23:44:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-10-14 23:44:51,918 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-10-14 23:44:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 23:44:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 23:44:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-14 23:44:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-14 23:44:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 23:44:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 23:44:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 23:44:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 23:44:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 23:44:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 23:44:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-14 23:44:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 23:44:51,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 23:44:51,924 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 23:44:52,043 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 23:44:52,045 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 23:44:52,146 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 23:44:52,146 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 23:44:52,348 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 23:44:52,348 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-14 23:44:52,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:44:52 BoogieIcfgContainer [2024-10-14 23:44:52,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 23:44:52,350 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 23:44:52,350 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 23:44:52,357 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 23:44:52,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:44:51" (1/3) ... [2024-10-14 23:44:52,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130cb5dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:44:52, skipping insertion in model container [2024-10-14 23:44:52,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:44:51" (2/3) ... [2024-10-14 23:44:52,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130cb5dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:44:52, skipping insertion in model container [2024-10-14 23:44:52,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:44:52" (3/3) ... [2024-10-14 23:44:52,364 INFO L112 eAbstractionObserver]: Analyzing ICFG 02_inc_cas.i [2024-10-14 23:44:52,393 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 23:44:52,393 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-10-14 23:44:52,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130cb5dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:44:52, skipping insertion in model container [2024-10-14 23:44:52,397 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 23:44:52,398 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 23:44:52,399 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 23:44:52,399 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 23:44:52,400 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:44:52" (3/3) ... [2024-10-14 23:44:52,402 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 23:44:52,409 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2024-10-14 23:44:52,416 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-10-14 23:44:52,417 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-10-14 23:44:52,418 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-14 23:44:52,418 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-14 23:44:52,551 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 23:44:52,554 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 23:44:52,554 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 23:44:52,556 INFO L158 Benchmark]: Toolchain (without parser) took 1318.60ms. Allocated memory was 146.8MB in the beginning and 239.1MB in the end (delta: 92.3MB). Free memory was 76.4MB in the beginning and 179.5MB in the end (delta: -103.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:44:52,556 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 146.8MB. Free memory is still 112.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:44:52,557 INFO L158 Benchmark]: CACSL2BoogieTranslator took 507.93ms. Allocated memory was 146.8MB in the beginning and 239.1MB in the end (delta: 92.3MB). Free memory was 76.2MB in the beginning and 210.1MB in the end (delta: -133.9MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2024-10-14 23:44:52,557 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.52ms. Allocated memory is still 239.1MB. Free memory was 210.1MB in the beginning and 208.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 23:44:52,563 INFO L158 Benchmark]: Boogie Preprocessor took 58.93ms. Allocated memory is still 239.1MB. Free memory was 208.0MB in the beginning and 208.9MB in the end (delta: -896.6kB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2024-10-14 23:44:52,564 INFO L158 Benchmark]: RCFGBuilder took 503.69ms. Allocated memory is still 239.1MB. Free memory was 208.9MB in the beginning and 185.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-14 23:44:52,564 INFO L158 Benchmark]: TraceAbstraction took 47.35ms. Allocated memory is still 239.1MB. Free memory was 184.8MB in the beginning and 183.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 23:44:52,564 INFO L158 Benchmark]: Witness Printer took 156.12ms. Allocated memory is still 239.1MB. Free memory was 183.7MB in the beginning and 179.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 23:44:52,569 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 146.8MB. Free memory is still 112.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 507.93ms. Allocated memory was 146.8MB in the beginning and 239.1MB in the end (delta: 92.3MB). Free memory was 76.2MB in the beginning and 210.1MB in the end (delta: -133.9MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.52ms. Allocated memory is still 239.1MB. Free memory was 210.1MB in the beginning and 208.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.93ms. Allocated memory is still 239.1MB. Free memory was 208.0MB in the beginning and 208.9MB in the end (delta: -896.6kB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * RCFGBuilder took 503.69ms. Allocated memory is still 239.1MB. Free memory was 208.9MB in the beginning and 185.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 47.35ms. Allocated memory is still 239.1MB. Free memory was 184.8MB in the beginning and 183.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 156.12ms. Allocated memory is still 239.1MB. Free memory was 183.7MB in the beginning and 179.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. 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! [2024-10-14 23:44:52,610 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