./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-invariants/eq2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f469c8-9c59-4ac2-af4c-ec86f29346d5/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f469c8-9c59-4ac2-af4c-ec86f29346d5/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f469c8-9c59-4ac2-af4c-ec86f29346d5/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f469c8-9c59-4ac2-af4c-ec86f29346d5/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invariants/eq2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f469c8-9c59-4ac2-af4c-ec86f29346d5/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f469c8-9c59-4ac2-af4c-ec86f29346d5/bin/uautomizer-verify-bycVGegfSx --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 b75319811b92284d6a72233e9703d5acfea3165098c4852bfad81669522cdc48 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:05:47,854 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:05:47,923 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f469c8-9c59-4ac2-af4c-ec86f29346d5/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-21 22:05:47,929 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:05:47,929 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:05:47,957 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:05:47,958 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:05:47,959 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:05:47,960 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:05:47,961 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:05:47,961 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:05:47,962 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:05:47,963 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:05:47,963 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:05:47,964 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:05:47,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:05:47,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:05:47,966 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:05:47,967 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:05:47,967 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:05:47,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:05:47,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:05:47,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:05:47,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:05:47,970 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 22:05:47,971 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:05:47,971 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:05:47,972 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:05:47,972 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:05:47,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:05:47,973 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:05:47,974 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:05:47,974 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:05:47,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:05:47,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:05:47,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:05:47,976 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:05:47,976 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:05:47,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:05:47,977 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:05:47,977 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:05:47,978 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:05:47,978 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:05:47,978 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:05:47,979 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f469c8-9c59-4ac2-af4c-ec86f29346d5/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f469c8-9c59-4ac2-af4c-ec86f29346d5/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b75319811b92284d6a72233e9703d5acfea3165098c4852bfad81669522cdc48 [2023-11-21 22:05:48,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:05:48,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:05:48,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:05:48,314 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:05:48,314 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:05:48,316 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f469c8-9c59-4ac2-af4c-ec86f29346d5/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/loop-invariants/eq2.c [2023-11-21 22:05:51,402 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:05:51,648 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:05:51,648 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f469c8-9c59-4ac2-af4c-ec86f29346d5/sv-benchmarks/c/loop-invariants/eq2.c [2023-11-21 22:05:51,657 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f469c8-9c59-4ac2-af4c-ec86f29346d5/bin/uautomizer-verify-bycVGegfSx/data/60871ee94/4ff656a4aa0748d69d98de74c2435ebb/FLAGe41bcc08b [2023-11-21 22:05:51,675 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f469c8-9c59-4ac2-af4c-ec86f29346d5/bin/uautomizer-verify-bycVGegfSx/data/60871ee94/4ff656a4aa0748d69d98de74c2435ebb [2023-11-21 22:05:51,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:05:51,684 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:05:51,686 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:05:51,686 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:05:51,691 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:05:51,692 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:05:51" (1/1) ... [2023-11-21 22:05:51,693 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75b4ca46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:51, skipping insertion in model container [2023-11-21 22:05:51,693 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:05:51" (1/1) ... [2023-11-21 22:05:51,715 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:05:51,904 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:05:51,913 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:05:51,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:05:51,942 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:05:51,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:51 WrapperNode [2023-11-21 22:05:51,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:05:51,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:05:51,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:05:51,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:05:51,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:51" (1/1) ... [2023-11-21 22:05:51,963 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:51" (1/1) ... [2023-11-21 22:05:51,984 INFO L138 Inliner]: procedures = 13, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2023-11-21 22:05:51,984 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:05:51,985 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:05:51,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:05:51,985 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:05:51,996 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:51" (1/1) ... [2023-11-21 22:05:51,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:51" (1/1) ... [2023-11-21 22:05:51,999 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:51" (1/1) ... [2023-11-21 22:05:52,015 INFO L187 HeapSplitter]: Split 8 memory accesses to 2 slices as follows [2, 6] [2023-11-21 22:05:52,016 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:51" (1/1) ... [2023-11-21 22:05:52,016 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:51" (1/1) ... [2023-11-21 22:05:52,019 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:51" (1/1) ... [2023-11-21 22:05:52,023 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:51" (1/1) ... [2023-11-21 22:05:52,024 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:51" (1/1) ... [2023-11-21 22:05:52,024 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:51" (1/1) ... [2023-11-21 22:05:52,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:05:52,028 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:05:52,028 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:05:52,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:05:52,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:51" (1/1) ... [2023-11-21 22:05:52,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:05:52,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f469c8-9c59-4ac2-af4c-ec86f29346d5/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:52,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f469c8-9c59-4ac2-af4c-ec86f29346d5/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:05:52,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f469c8-9c59-4ac2-af4c-ec86f29346d5/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:05:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:05:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:05:52,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:05:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:05:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 22:05:52,162 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:05:52,165 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:05:52,277 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:05:52,318 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:05:52,319 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:05:52,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:52 BoogieIcfgContainer [2023-11-21 22:05:52,320 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:05:52,323 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:05:52,331 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:05:52,334 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:05:52,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:05:51" (1/3) ... [2023-11-21 22:05:52,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f7455ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:05:52, skipping insertion in model container [2023-11-21 22:05:52,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:51" (2/3) ... [2023-11-21 22:05:52,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f7455ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:05:52, skipping insertion in model container [2023-11-21 22:05:52,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:52" (3/3) ... [2023-11-21 22:05:52,340 INFO L112 eAbstractionObserver]: Analyzing ICFG eq2.c [2023-11-21 22:05:52,364 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:05:52,364 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-21 22:05:52,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f7455ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:05:52, skipping insertion in model container [2023-11-21 22:05:52,366 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:05:52,368 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:05:52,369 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:05:52,369 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:05:52,370 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:52" (3/3) ... [2023-11-21 22:05:52,374 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:05:52,383 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-21 22:05:52,383 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-21 22:05:52,384 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 22:05:52,385 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:05:52,385 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:05:52,490 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f469c8-9c59-4ac2-af4c-ec86f29346d5/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:05:52,491 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f469c8-9c59-4ac2-af4c-ec86f29346d5/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:05:52,491 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:05:52,493 INFO L158 Benchmark]: Toolchain (without parser) took 808.78ms. Allocated memory is still 178.3MB. Free memory was 134.2MB in the beginning and 102.6MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-21 22:05:52,494 INFO L158 Benchmark]: CDTParser took 1.43ms. Allocated memory is still 138.4MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:05:52,494 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.71ms. Allocated memory is still 178.3MB. Free memory was 134.2MB in the beginning and 123.8MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:05:52,495 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.56ms. Allocated memory is still 178.3MB. Free memory was 123.8MB in the beginning and 122.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:05:52,495 INFO L158 Benchmark]: Boogie Preprocessor took 41.65ms. Allocated memory is still 178.3MB. Free memory was 122.3MB in the beginning and 121.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:05:52,496 INFO L158 Benchmark]: RCFGBuilder took 293.13ms. Allocated memory is still 178.3MB. Free memory was 121.0MB in the beginning and 109.7MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:05:52,496 INFO L158 Benchmark]: TraceAbstraction took 43.69ms. Allocated memory is still 178.3MB. Free memory was 109.0MB in the beginning and 107.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:05:52,497 INFO L158 Benchmark]: Witness Printer took 122.97ms. Allocated memory is still 178.3MB. Free memory was 107.1MB in the beginning and 102.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:05:52,505 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43ms. Allocated memory is still 138.4MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.71ms. Allocated memory is still 178.3MB. Free memory was 134.2MB in the beginning and 123.8MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.56ms. Allocated memory is still 178.3MB. Free memory was 123.8MB in the beginning and 122.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.65ms. Allocated memory is still 178.3MB. Free memory was 122.3MB in the beginning and 121.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 293.13ms. Allocated memory is still 178.3MB. Free memory was 121.0MB in the beginning and 109.7MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 43.69ms. Allocated memory is still 178.3MB. Free memory was 109.0MB in the beginning and 107.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 122.97ms. Allocated memory is still 178.3MB. Free memory was 107.1MB in the beginning and 102.6MB in the end (delta: 4.5MB). 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! [2023-11-21 22:05:52,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f469c8-9c59-4ac2-af4c-ec86f29346d5/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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