./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4301f921-c46e-4768-8e24-b105b4a7b3d5/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4301f921-c46e-4768-8e24-b105b4a7b3d5/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4301f921-c46e-4768-8e24-b105b4a7b3d5/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4301f921-c46e-4768-8e24-b105b4a7b3d5/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4301f921-c46e-4768-8e24-b105b4a7b3d5/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4301f921-c46e-4768-8e24-b105b4a7b3d5/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c06467573d5b161d2e6fae8b3debbeebc37f400272e6a21d533eff435db2aec4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:31:10,444 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:31:10,560 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4301f921-c46e-4768-8e24-b105b4a7b3d5/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-23 20:31:10,572 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:31:10,572 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:31:10,617 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:31:10,618 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:31:10,618 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:31:10,619 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:31:10,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:31:10,625 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:31:10,626 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:31:10,627 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:31:10,628 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:31:10,629 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:31:10,629 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:31:10,630 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:31:10,630 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:31:10,631 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:31:10,632 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:31:10,632 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:31:10,633 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:31:10,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:31:10,635 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:31:10,635 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:31:10,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:31:10,636 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:31:10,636 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:31:10,637 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:31:10,637 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:31:10,639 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:31:10,639 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:31:10,639 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:31:10,640 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:31:10,640 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:31:10,640 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:31:10,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:10,641 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:31:10,641 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:31:10,642 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:31:10,642 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:31:10,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:31:10,643 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:31:10,643 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:31:10,644 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:31:10,644 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:31:10,644 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_4301f921-c46e-4768-8e24-b105b4a7b3d5/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4301f921-c46e-4768-8e24-b105b4a7b3d5/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c06467573d5b161d2e6fae8b3debbeebc37f400272e6a21d533eff435db2aec4 [2023-11-23 20:31:10,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:31:10,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:31:10,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:31:10,997 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:31:10,998 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:31:11,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4301f921-c46e-4768-8e24-b105b4a7b3d5/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2023-11-23 20:31:14,099 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:31:14,313 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:31:14,314 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4301f921-c46e-4768-8e24-b105b4a7b3d5/sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2023-11-23 20:31:14,324 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4301f921-c46e-4768-8e24-b105b4a7b3d5/bin/utaipan-verify-mE87zJ7Ire/data/c186ea496/879222bdf9c043f08ad09e31f4e76035/FLAG7251f8def [2023-11-23 20:31:14,684 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4301f921-c46e-4768-8e24-b105b4a7b3d5/bin/utaipan-verify-mE87zJ7Ire/data/c186ea496/879222bdf9c043f08ad09e31f4e76035 [2023-11-23 20:31:14,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:31:14,688 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:31:14,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:14,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:31:14,699 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:31:14,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:14" (1/1) ... [2023-11-23 20:31:14,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d44125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:14, skipping insertion in model container [2023-11-23 20:31:14,701 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:14" (1/1) ... [2023-11-23 20:31:14,723 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:31:14,876 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:31:14,884 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:31:14,895 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:31:14,907 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:31:14,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:14 WrapperNode [2023-11-23 20:31:14,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:14,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:31:14,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:31:14,909 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:31:14,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:14" (1/1) ... [2023-11-23 20:31:14,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:14" (1/1) ... [2023-11-23 20:31:14,933 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2023-11-23 20:31:14,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:31:14,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:31:14,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:31:14,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:31:14,944 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:14" (1/1) ... [2023-11-23 20:31:14,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:14" (1/1) ... [2023-11-23 20:31:14,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:14" (1/1) ... [2023-11-23 20:31:14,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:14" (1/1) ... [2023-11-23 20:31:14,948 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:14" (1/1) ... [2023-11-23 20:31:14,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:14" (1/1) ... [2023-11-23 20:31:14,954 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:14" (1/1) ... [2023-11-23 20:31:14,955 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:14" (1/1) ... [2023-11-23 20:31:14,957 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:31:14,958 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:31:14,958 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:31:14,959 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:31:14,960 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:14" (1/1) ... [2023-11-23 20:31:14,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:14,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4301f921-c46e-4768-8e24-b105b4a7b3d5/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:31:14,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4301f921-c46e-4768-8e24-b105b4a7b3d5/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:31:14,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4301f921-c46e-4768-8e24-b105b4a7b3d5/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:31:15,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:31:15,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:31:15,149 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:31:15,151 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:31:15,271 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:31:15,317 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:31:15,318 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:31:15,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:15 BoogieIcfgContainer [2023-11-23 20:31:15,320 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:31:15,323 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:31:15,323 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:31:15,332 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:31:15,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:31:14" (1/3) ... [2023-11-23 20:31:15,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77578e57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:15, skipping insertion in model container [2023-11-23 20:31:15,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:14" (2/3) ... [2023-11-23 20:31:15,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77578e57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:15, skipping insertion in model container [2023-11-23 20:31:15,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:15" (3/3) ... [2023-11-23 20:31:15,337 INFO L112 eAbstractionObserver]: Analyzing ICFG ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2023-11-23 20:31:15,359 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:31:15,360 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-23 20:31:15,362 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77578e57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:31:15, skipping insertion in model container [2023-11-23 20:31:15,362 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:31:15,364 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:31:15,364 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:31:15,365 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:31:15,366 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:15" (3/3) ... [2023-11-23 20:31:15,369 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:31:15,379 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-23 20:31:15,380 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 20:31:15,382 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-23 20:31:15,502 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4301f921-c46e-4768-8e24-b105b4a7b3d5/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 20:31:15,502 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4301f921-c46e-4768-8e24-b105b4a7b3d5/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 20:31:15,502 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:31:15,504 INFO L158 Benchmark]: Toolchain (without parser) took 815.66ms. Allocated memory is still 195.0MB. Free memory was 150.5MB in the beginning and 122.5MB in the end (delta: 28.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-23 20:31:15,504 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:31:15,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.83ms. Allocated memory is still 195.0MB. Free memory was 150.5MB in the beginning and 141.3MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:31:15,506 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.20ms. Allocated memory is still 195.0MB. Free memory was 140.8MB in the beginning and 139.8MB in the end (delta: 942.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:31:15,507 INFO L158 Benchmark]: Boogie Preprocessor took 22.36ms. Allocated memory is still 195.0MB. Free memory was 139.8MB in the beginning and 138.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:31:15,507 INFO L158 Benchmark]: RCFGBuilder took 362.15ms. Allocated memory is still 195.0MB. Free memory was 138.7MB in the beginning and 129.3MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 20:31:15,508 INFO L158 Benchmark]: TraceAbstraction took 39.87ms. Allocated memory is still 195.0MB. Free memory was 128.8MB in the beginning and 126.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:31:15,509 INFO L158 Benchmark]: Witness Printer took 138.35ms. Allocated memory is still 195.0MB. Free memory was 126.5MB in the beginning and 122.5MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:31:15,517 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.83ms. Allocated memory is still 195.0MB. Free memory was 150.5MB in the beginning and 141.3MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.20ms. Allocated memory is still 195.0MB. Free memory was 140.8MB in the beginning and 139.8MB in the end (delta: 942.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.36ms. Allocated memory is still 195.0MB. Free memory was 139.8MB in the beginning and 138.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 362.15ms. Allocated memory is still 195.0MB. Free memory was 138.7MB in the beginning and 129.3MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 39.87ms. Allocated memory is still 195.0MB. Free memory was 128.8MB in the beginning and 126.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 138.35ms. Allocated memory is still 195.0MB. Free memory was 126.5MB in the beginning and 122.5MB in the end (delta: 4.0MB). 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! [2023-11-23 20:31:15,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4301f921-c46e-4768-8e24-b105b4a7b3d5/bin/utaipan-verify-mE87zJ7Ire/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