./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/WhileSingle.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_fcbedb14-9bd2-4e94-a0e5-f84eeeb5bb1a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbedb14-9bd2-4e94-a0e5-f84eeeb5bb1a/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbedb14-9bd2-4e94-a0e5-f84eeeb5bb1a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbedb14-9bd2-4e94-a0e5-f84eeeb5bb1a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/WhileSingle.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbedb14-9bd2-4e94-a0e5-f84eeeb5bb1a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbedb14-9bd2-4e94-a0e5-f84eeeb5bb1a/bin/ukojak-verify-CZk0znPC7b --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 96e06713cc7b7bcca20fa167ac54f1ece6c15e64971186f07487c25eaa3e3847 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:25:30,693 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:25:30,746 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbedb14-9bd2-4e94-a0e5-f84eeeb5bb1a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 06:25:30,749 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:25:30,750 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:25:30,768 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:25:30,769 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:25:30,769 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:25:30,770 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:25:30,770 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:25:30,770 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:25:30,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:25:30,770 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:25:30,770 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:25:30,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:25:30,770 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:25:30,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:25:30,771 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 06:25:30,771 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 06:25:30,771 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:25:30,771 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:25:30,771 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:25:30,771 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:25:30,771 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:25:30,771 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:25:30,771 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:25:30,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:25:30,772 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:25:30,772 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:25:30,772 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:25:30,772 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:25:30,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:25:30,772 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_fcbedb14-9bd2-4e94-a0e5-f84eeeb5bb1a/bin/ukojak-verify-CZk0znPC7b 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 -> 96e06713cc7b7bcca20fa167ac54f1ece6c15e64971186f07487c25eaa3e3847 [2024-12-06 06:25:31,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:25:31,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:25:31,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:25:31,035 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:25:31,036 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:25:31,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbedb14-9bd2-4e94-a0e5-f84eeeb5bb1a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-restricted-15/WhileSingle.c [2024-12-06 06:25:33,689 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbedb14-9bd2-4e94-a0e5-f84eeeb5bb1a/bin/ukojak-verify-CZk0znPC7b/data/c49b74d00/86c2bf6d0d834bf49d6d6524ab368919/FLAGe8caf0f14 [2024-12-06 06:25:33,873 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:25:33,874 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbedb14-9bd2-4e94-a0e5-f84eeeb5bb1a/sv-benchmarks/c/termination-restricted-15/WhileSingle.c [2024-12-06 06:25:33,881 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbedb14-9bd2-4e94-a0e5-f84eeeb5bb1a/bin/ukojak-verify-CZk0znPC7b/data/c49b74d00/86c2bf6d0d834bf49d6d6524ab368919/FLAGe8caf0f14 [2024-12-06 06:25:33,894 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbedb14-9bd2-4e94-a0e5-f84eeeb5bb1a/bin/ukojak-verify-CZk0znPC7b/data/c49b74d00/86c2bf6d0d834bf49d6d6524ab368919 [2024-12-06 06:25:33,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:25:33,898 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:25:33,899 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:25:33,899 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:25:33,903 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:25:33,903 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:25:33" (1/1) ... [2024-12-06 06:25:33,904 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4632d65f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:33, skipping insertion in model container [2024-12-06 06:25:33,905 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:25:33" (1/1) ... [2024-12-06 06:25:33,915 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:25:34,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:25:34,017 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:25:34,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:25:34,034 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:25:34,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:34 WrapperNode [2024-12-06 06:25:34,035 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:25:34,035 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:25:34,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:25:34,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:25:34,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:34" (1/1) ... [2024-12-06 06:25:34,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:34" (1/1) ... [2024-12-06 06:25:34,052 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2024-12-06 06:25:34,052 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:25:34,053 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:25:34,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:25:34,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:25:34,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:34" (1/1) ... [2024-12-06 06:25:34,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:34" (1/1) ... [2024-12-06 06:25:34,058 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:34" (1/1) ... [2024-12-06 06:25:34,058 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:34" (1/1) ... [2024-12-06 06:25:34,059 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:34" (1/1) ... [2024-12-06 06:25:34,060 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:34" (1/1) ... [2024-12-06 06:25:34,063 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:34" (1/1) ... [2024-12-06 06:25:34,063 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:34" (1/1) ... [2024-12-06 06:25:34,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:34" (1/1) ... [2024-12-06 06:25:34,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:25:34,065 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:25:34,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:25:34,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:25:34,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:25:34" (1/1) ... [2024-12-06 06:25:34,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:25:34,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbedb14-9bd2-4e94-a0e5-f84eeeb5bb1a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:25:34,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbedb14-9bd2-4e94-a0e5-f84eeeb5bb1a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:25:34,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbedb14-9bd2-4e94-a0e5-f84eeeb5bb1a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:25:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:25:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:25:34,166 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:25:34,167 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:25:34,216 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 06:25:34,216 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:25:34,234 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:25:34,235 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 06:25:34,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:25:34 BoogieIcfgContainer [2024-12-06 06:25:34,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:25:34,236 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:25:34,236 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:25:34,246 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:25:34,246 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:25:34" (1/1) ... [2024-12-06 06:25:34,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:25:34,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:25:34,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 06:25:34,305 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 06:25:34,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 06:25:34,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:25:34,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:25:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:25:34,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:25:34,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:25:34,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-12-06 06:25:34,511 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-12-06 06:25:34,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 06:25:34,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:25:34,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:25:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:25:34,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:25:34,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:25:34,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-12-06 06:25:34,633 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-12-06 06:25:34,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 06:25:34,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:25:34,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:25:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:25:34,686 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:25:34,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:25:34,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2024-12-06 06:25:34,731 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2024-12-06 06:25:34,732 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 06:25:34,732 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-12-06 06:25:34,739 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-12-06 06:25:34,761 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2024-12-06 06:25:34,761 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 06:25:34,761 INFO L77 FloydHoareUtils]: At program point L11(line 11) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i~0#1| 9)) [2024-12-06 06:25:34,761 INFO L77 FloydHoareUtils]: At program point L11-1(line 11) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i~0#1| 9)) [2024-12-06 06:25:34,761 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 06:25:34,762 INFO L77 FloydHoareUtils]: At program point L9-1(lines 9 13) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i~0#1| 9)) [2024-12-06 06:25:34,762 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2024-12-06 06:25:34,762 INFO L77 FloydHoareUtils]: At program point L10-1(lines 9 13) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) [2024-12-06 06:25:34,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:25:34 ImpRootNode [2024-12-06 06:25:34,772 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:25:34,773 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:25:34,773 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:25:34,773 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:25:34,774 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:25:34" (3/4) ... [2024-12-06 06:25:34,775 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 06:25:34,779 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-06 06:25:34,779 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 06:25:34,779 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 06:25:34,843 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbedb14-9bd2-4e94-a0e5-f84eeeb5bb1a/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 06:25:34,843 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbedb14-9bd2-4e94-a0e5-f84eeeb5bb1a/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 06:25:34,843 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:25:34,844 INFO L158 Benchmark]: Toolchain (without parser) took 946.03ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 69.4MB in the end (delta: 47.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 06:25:34,844 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:25:34,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 135.76ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 107.3MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:25:34,845 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.27ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.2MB in the end (delta: 844.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:25:34,845 INFO L158 Benchmark]: Boogie Preprocessor took 11.67ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.6MB in the end (delta: 604.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:25:34,845 INFO L158 Benchmark]: RCFGBuilder took 169.94ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 96.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:25:34,845 INFO L158 Benchmark]: CodeCheck took 536.47ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 73.6MB in the end (delta: 22.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 06:25:34,846 INFO L158 Benchmark]: Witness Printer took 70.30ms. Allocated memory is still 142.6MB. Free memory was 73.6MB in the beginning and 69.4MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:25:34,848 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, 8 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 86 IncrementalHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 0 mSDtfsCounter, 86 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 118 SyntacticMatches, 6 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3/3 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: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: 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: 9]: Loop Invariant Derived loop invariant: (0 <= (i + 2147483648)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 135.76ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 107.3MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 17.27ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.2MB in the end (delta: 844.2kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.67ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.6MB in the end (delta: 604.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 169.94ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 96.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 536.47ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 73.6MB in the end (delta: 22.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 70.30ms. Allocated memory is still 142.6MB. Free memory was 73.6MB in the beginning and 69.4MB 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! [2024-12-06 06:25:34,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbedb14-9bd2-4e94-a0e5-f84eeeb5bb1a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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