./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5463418-283e-472e-89d9-ede4d0ec527c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5463418-283e-472e-89d9-ede4d0ec527c/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5463418-283e-472e-89d9-ede4d0ec527c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5463418-283e-472e-89d9-ede4d0ec527c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5463418-283e-472e-89d9-ede4d0ec527c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5463418-283e-472e-89d9-ede4d0ec527c/bin/ukojak-verify-ENZ3QT5qd3 --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5ee8036e2d674497ff23bc3ed2316854be1442f7a1dd6897d55977d8700d5402 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:03:10,837 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:03:10,917 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5463418-283e-472e-89d9-ede4d0ec527c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:03:10,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:03:10,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:03:10,945 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:03:10,946 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:03:10,946 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:03:10,949 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:03:10,949 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:03:10,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:03:10,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:03:10,950 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:03:10,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:03:10,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:03:10,951 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:03:10,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:03:10,952 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:03:10,952 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:03:10,952 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:03:10,952 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:03:10,952 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:03:10,953 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:03:10,953 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:03:10,953 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:03:10,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:03:10,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:03:10,953 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:03:10,953 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:03:10,954 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:03:10,954 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:03:10,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:03:10,954 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_d5463418-283e-472e-89d9-ede4d0ec527c/bin/ukojak-verify-ENZ3QT5qd3 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 -> Kojak 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 -> 5ee8036e2d674497ff23bc3ed2316854be1442f7a1dd6897d55977d8700d5402 [2024-11-25 03:03:11,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:03:11,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:03:11,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:03:11,275 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:03:11,275 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:03:11,277 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5463418-283e-472e-89d9-ede4d0ec527c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig1.c [2024-11-25 03:03:14,658 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5463418-283e-472e-89d9-ede4d0ec527c/bin/ukojak-verify-ENZ3QT5qd3/data/2d4eff215/9f364654685246a98807f2b86c6b620b/FLAGca15c864e [2024-11-25 03:03:14,924 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:03:14,924 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5463418-283e-472e-89d9-ede4d0ec527c/sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig1.c [2024-11-25 03:03:14,957 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5463418-283e-472e-89d9-ede4d0ec527c/bin/ukojak-verify-ENZ3QT5qd3/data/2d4eff215/9f364654685246a98807f2b86c6b620b/FLAGca15c864e [2024-11-25 03:03:14,984 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5463418-283e-472e-89d9-ede4d0ec527c/bin/ukojak-verify-ENZ3QT5qd3/data/2d4eff215/9f364654685246a98807f2b86c6b620b [2024-11-25 03:03:14,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:03:14,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:03:14,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:03:14,993 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:03:14,998 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:03:14,999 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:03:14" (1/1) ... [2024-11-25 03:03:15,003 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11253f01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:15, skipping insertion in model container [2024-11-25 03:03:15,003 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:03:14" (1/1) ... [2024-11-25 03:03:15,021 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:03:15,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:03:15,214 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:03:15,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:03:15,240 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:03:15,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:15 WrapperNode [2024-11-25 03:03:15,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:03:15,242 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:03:15,242 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:03:15,242 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:03:15,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:15" (1/1) ... [2024-11-25 03:03:15,254 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:15" (1/1) ... [2024-11-25 03:03:15,270 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 15 [2024-11-25 03:03:15,270 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:03:15,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:03:15,271 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:03:15,271 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:03:15,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:15" (1/1) ... [2024-11-25 03:03:15,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:15" (1/1) ... [2024-11-25 03:03:15,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:15" (1/1) ... [2024-11-25 03:03:15,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:15" (1/1) ... [2024-11-25 03:03:15,282 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:15" (1/1) ... [2024-11-25 03:03:15,283 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:15" (1/1) ... [2024-11-25 03:03:15,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:15" (1/1) ... [2024-11-25 03:03:15,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:15" (1/1) ... [2024-11-25 03:03:15,290 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:15" (1/1) ... [2024-11-25 03:03:15,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:03:15,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:03:15,293 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:03:15,293 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:03:15,294 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:15" (1/1) ... [2024-11-25 03:03:15,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:03:15,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5463418-283e-472e-89d9-ede4d0ec527c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:03:15,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5463418-283e-472e-89d9-ede4d0ec527c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:03:15,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5463418-283e-472e-89d9-ede4d0ec527c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:03:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:03:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:03:15,452 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:03:15,456 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:03:15,539 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 03:03:15,539 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:03:15,575 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:03:15,576 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:03:15,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:03:15 BoogieIcfgContainer [2024-11-25 03:03:15,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:03:15,579 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:03:15,579 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:03:15,593 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:03:15,593 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:03:15" (1/1) ... [2024-11-25 03:03:15,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:03:15,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:03:15,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2024-11-25 03:03:15,673 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2024-11-25 03:03:15,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 03:03:15,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:03:15,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:03:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:03:15,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:03:15,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:03:15,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-25 03:03:15,919 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-25 03:03:15,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:03:15,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:03:15,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:03:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:03:15,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:03:16,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:03:16,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2024-11-25 03:03:16,084 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2024-11-25 03:03:16,084 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 03:03:16,085 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-11-25 03:03:16,094 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-25 03:03:16,115 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2024-11-25 03:03:16,115 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 03:03:16,115 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2024-11-25 03:03:16,116 INFO L77 FloydHoareUtils]: At program point L17(line 17) the Hoare annotation is: (<= |ULTIMATE.start_main_~y~0#1| 2147483647) [2024-11-25 03:03:16,116 INFO L77 FloydHoareUtils]: At program point L16-1(lines 16 18) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-11-25 03:03:16,116 INFO L77 FloydHoareUtils]: At program point L16-3(lines 16 18) the Hoare annotation is: (<= |ULTIMATE.start_main_~y~0#1| 2147483647) [2024-11-25 03:03:16,116 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 03:03:16,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:03:16 ImpRootNode [2024-11-25 03:03:16,128 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:03:16,129 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:03:16,129 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:03:16,130 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:03:16,130 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:03:15" (3/4) ... [2024-11-25 03:03:16,133 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 03:03:16,140 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-25 03:03:16,141 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 03:03:16,141 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-25 03:03:16,224 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5463418-283e-472e-89d9-ede4d0ec527c/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:03:16,224 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5463418-283e-472e-89d9-ede4d0ec527c/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:03:16,225 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:03:16,226 INFO L158 Benchmark]: Toolchain (without parser) took 1236.62ms. Allocated memory is still 117.4MB. Free memory was 95.0MB in the beginning and 54.8MB in the end (delta: 40.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 03:03:16,226 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 142.6MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:03:16,226 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.21ms. Allocated memory is still 117.4MB. Free memory was 95.0MB in the beginning and 85.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:03:16,227 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.69ms. Allocated memory is still 117.4MB. Free memory was 85.2MB in the beginning and 84.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:03:16,227 INFO L158 Benchmark]: Boogie Preprocessor took 20.92ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 83.5MB in the end (delta: 627.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:03:16,227 INFO L158 Benchmark]: RCFGBuilder took 286.04ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 74.0MB in the end (delta: 9.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:03:16,228 INFO L158 Benchmark]: CodeCheck took 549.35ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 59.1MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:03:16,228 INFO L158 Benchmark]: Witness Printer took 95.48ms. Allocated memory is still 117.4MB. Free memory was 59.1MB in the beginning and 54.8MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:03:16,230 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 4 mSDtfsCounter, 27 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: (y <= 2147483647) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 142.6MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.21ms. Allocated memory is still 117.4MB. Free memory was 95.0MB in the beginning and 85.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.69ms. Allocated memory is still 117.4MB. Free memory was 85.2MB in the beginning and 84.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.92ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 83.5MB in the end (delta: 627.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 286.04ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 74.0MB in the end (delta: 9.5MB). There was no memory consumed. Max. memory is 16.1GB. * CodeCheck took 549.35ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 59.1MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 95.48ms. Allocated memory is still 117.4MB. Free memory was 59.1MB in the beginning and 54.8MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 03:03:16,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5463418-283e-472e-89d9-ede4d0ec527c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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