./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/a.05.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_5606a85b-f917-43d9-ba6f-1ccbba3c35c7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5606a85b-f917-43d9-ba6f-1ccbba3c35c7/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_5606a85b-f917-43d9-ba6f-1ccbba3c35c7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5606a85b-f917-43d9-ba6f-1ccbba3c35c7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/a.05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5606a85b-f917-43d9-ba6f-1ccbba3c35c7/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_5606a85b-f917-43d9-ba6f-1ccbba3c35c7/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 335db5305dddb9e109a2e304cc4b27dd7e1a8d787c54eee1b8f901041e3a1f7b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:12:57,909 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:12:57,964 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5606a85b-f917-43d9-ba6f-1ccbba3c35c7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 01:12:57,968 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:12:57,968 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:12:57,986 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:12:57,987 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:12:57,987 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:12:57,988 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:12:57,988 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:12:57,988 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:12:57,988 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:12:57,988 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:12:57,988 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:12:57,988 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:12:57,988 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:12:57,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:12:57,989 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:12:57,989 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:12:57,989 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:12:57,989 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:12:57,989 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:12:57,989 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:12:57,989 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:12:57,989 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:12:57,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:12:57,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:12:57,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:12:57,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:12:57,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:12:57,990 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:12:57,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:12:57,990 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_5606a85b-f917-43d9-ba6f-1ccbba3c35c7/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 -> 335db5305dddb9e109a2e304cc4b27dd7e1a8d787c54eee1b8f901041e3a1f7b [2024-12-06 01:12:58,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:12:58,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:12:58,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:12:58,211 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:12:58,211 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:12:58,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5606a85b-f917-43d9-ba6f-1ccbba3c35c7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-restricted-15/a.05.c [2024-12-06 01:13:00,949 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5606a85b-f917-43d9-ba6f-1ccbba3c35c7/bin/ukojak-verify-CZk0znPC7b/data/b7f1c51e5/845a16f896664bb08f291c437e88bc41/FLAGa459fd9f5 [2024-12-06 01:13:01,131 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:13:01,131 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5606a85b-f917-43d9-ba6f-1ccbba3c35c7/sv-benchmarks/c/termination-restricted-15/a.05.c [2024-12-06 01:13:01,138 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5606a85b-f917-43d9-ba6f-1ccbba3c35c7/bin/ukojak-verify-CZk0znPC7b/data/b7f1c51e5/845a16f896664bb08f291c437e88bc41/FLAGa459fd9f5 [2024-12-06 01:13:01,152 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5606a85b-f917-43d9-ba6f-1ccbba3c35c7/bin/ukojak-verify-CZk0znPC7b/data/b7f1c51e5/845a16f896664bb08f291c437e88bc41 [2024-12-06 01:13:01,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:13:01,156 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:13:01,157 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:13:01,157 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:13:01,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:13:01,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:13:01" (1/1) ... [2024-12-06 01:13:01,162 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28908318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:01, skipping insertion in model container [2024-12-06 01:13:01,162 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:13:01" (1/1) ... [2024-12-06 01:13:01,172 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:13:01,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:13:01,286 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:13:01,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:13:01,304 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:13:01,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:01 WrapperNode [2024-12-06 01:13:01,305 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:13:01,305 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:13:01,306 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:13:01,306 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:13:01,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:01" (1/1) ... [2024-12-06 01:13:01,314 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:01" (1/1) ... [2024-12-06 01:13:01,326 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-12-06 01:13:01,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:13:01,327 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:13:01,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:13:01,327 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:13:01,333 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:01" (1/1) ... [2024-12-06 01:13:01,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:01" (1/1) ... [2024-12-06 01:13:01,334 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:01" (1/1) ... [2024-12-06 01:13:01,334 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:01" (1/1) ... [2024-12-06 01:13:01,336 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:01" (1/1) ... [2024-12-06 01:13:01,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:01" (1/1) ... [2024-12-06 01:13:01,340 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:01" (1/1) ... [2024-12-06 01:13:01,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:01" (1/1) ... [2024-12-06 01:13:01,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:01" (1/1) ... [2024-12-06 01:13:01,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:13:01,343 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:13:01,343 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:13:01,343 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:13:01,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:01" (1/1) ... [2024-12-06 01:13:01,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:13:01,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5606a85b-f917-43d9-ba6f-1ccbba3c35c7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:13:01,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5606a85b-f917-43d9-ba6f-1ccbba3c35c7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:13:01,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5606a85b-f917-43d9-ba6f-1ccbba3c35c7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:13:01,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:13:01,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:13:01,448 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:13:01,449 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:13:01,519 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 01:13:01,519 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:13:01,534 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:13:01,535 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:13:01,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:13:01 BoogieIcfgContainer [2024-12-06 01:13:01,535 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:13:01,536 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:13:01,536 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:13:01,544 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:13:01,544 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:13:01" (1/1) ... [2024-12-06 01:13:01,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:13:01,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:01,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 01:13:01,593 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 01:13:01,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:13:01,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:01,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:13:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:01,716 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 01:13:01,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:01,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 01:13:01,762 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 01:13:01,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 01:13:01,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:01,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:13:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:01,840 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 01:13:01,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:01,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-12-06 01:13:01,969 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-12-06 01:13:01,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 01:13:01,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:01,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:13:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:01,996 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 01:13:02,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:02,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 01:13:02,026 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 01:13:02,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:13:02,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:02,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:13:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:02,059 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 01:13:02,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:02,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-12-06 01:13:02,149 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-12-06 01:13:02,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:13:02,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:02,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:13:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:02,171 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 01:13:02,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:02,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-12-06 01:13:02,237 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-12-06 01:13:02,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:13:02,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:02,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:13:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:02,295 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 01:13:02,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:02,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-12-06 01:13:02,341 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-12-06 01:13:02,341 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 01:13:02,341 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-12-06 01:13:02,349 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-06 01:13:02,422 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2024-12-06 01:13:02,422 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 01:13:02,422 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2024-12-06 01:13:02,423 INFO L77 FloydHoareUtils]: At program point L11-1(line 11) the Hoare annotation is: (and (or (not |ULTIMATE.start_main_#t~short2#1|) (< |ULTIMATE.start_main_~y~0#1| 2147483647)) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) [2024-12-06 01:13:02,423 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 01:13:02,423 INFO L77 FloydHoareUtils]: At program point L11-2(line 11) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~y~0#1| 2147483646) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) [2024-12-06 01:13:02,423 INFO L77 FloydHoareUtils]: At program point L11-3(line 11) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~y~0#1| 2147483646) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) [2024-12-06 01:13:02,423 INFO L77 FloydHoareUtils]: At program point L11-5(lines 11 13) the Hoare annotation is: (or (not |ULTIMATE.start_main_#t~short2#1|) (and (<= |ULTIMATE.start_main_~y~0#1| 2147483646) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)))) [2024-12-06 01:13:02,423 INFO L77 FloydHoareUtils]: At program point L11-6(lines 11 13) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~y~0#1| 2147483646) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) [2024-12-06 01:13:02,423 INFO L77 FloydHoareUtils]: At program point L11-8(lines 11 13) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)) [2024-12-06 01:13:02,424 INFO L77 FloydHoareUtils]: At program point L11-9(lines 11 13) the Hoare annotation is: true [2024-12-06 01:13:02,424 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2024-12-06 01:13:02,424 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2024-12-06 01:13:02,424 INFO L77 FloydHoareUtils]: At program point L12(line 12) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~y~0#1| 2147483646) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) [2024-12-06 01:13:02,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:13:02 ImpRootNode [2024-12-06 01:13:02,435 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:13:02,436 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:13:02,436 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:13:02,436 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:13:02,436 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:13:01" (3/4) ... [2024-12-06 01:13:02,439 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 01:13:02,445 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-06 01:13:02,445 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 01:13:02,445 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 01:13:02,512 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5606a85b-f917-43d9-ba6f-1ccbba3c35c7/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:13:02,513 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5606a85b-f917-43d9-ba6f-1ccbba3c35c7/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:13:02,513 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:13:02,514 INFO L158 Benchmark]: Toolchain (without parser) took 1357.91ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 110.8MB in the end (delta: 6.8MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2024-12-06 01:13:02,514 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:02,514 INFO L158 Benchmark]: CACSL2BoogieTranslator took 148.19ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 107.7MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:13:02,515 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.30ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.6MB in the end (delta: 851.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:02,515 INFO L158 Benchmark]: Boogie Preprocessor took 14.80ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 106.0MB in the end (delta: 571.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:02,515 INFO L158 Benchmark]: RCFGBuilder took 192.49ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 95.7MB in the end (delta: 10.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:13:02,515 INFO L158 Benchmark]: CodeCheck took 899.40ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 115.3MB in the end (delta: -19.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:02,516 INFO L158 Benchmark]: Witness Printer took 77.19ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 110.8MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:02,517 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, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 105 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 225 IncrementalHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 mSolverCounterUnsat, 32 mSDtfsCounter, 225 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 283 GetRequests, 250 SyntacticMatches, 13 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 126 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: (0 <= (y + 2147483648)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 148.19ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 107.7MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.30ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.6MB in the end (delta: 851.2kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.80ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 106.0MB in the end (delta: 571.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 192.49ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 95.7MB in the end (delta: 10.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 899.40ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 115.3MB in the end (delta: -19.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 77.19ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 110.8MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 01:13:02,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5606a85b-f917-43d9-ba6f-1ccbba3c35c7/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