./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/NO_22.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b871ed-2791-424e-8162-f94946babda9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b871ed-2791-424e-8162-f94946babda9/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b871ed-2791-424e-8162-f94946babda9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b871ed-2791-424e-8162-f94946babda9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/NO_22.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b871ed-2791-424e-8162-f94946babda9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b871ed-2791-424e-8162-f94946babda9/bin/ukojak-verify-EEHR8qb7sm --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 2aebec197cf7bd355d2eb5f718c983de149eae8f5ff2da107813d58a220d4744 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:23:30,911 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:23:31,035 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b871ed-2791-424e-8162-f94946babda9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:23:31,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:23:31,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:23:31,082 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:23:31,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:23:31,084 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:23:31,084 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:23:31,084 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:23:31,085 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:23:31,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:23:31,085 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:23:31,085 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:23:31,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:23:31,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:23:31,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:23:31,086 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:23:31,086 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:23:31,086 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:23:31,086 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:23:31,086 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:23:31,086 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:23:31,087 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:23:31,087 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:23:31,087 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:23:31,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:23:31,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:23:31,088 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:23:31,088 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:23:31,088 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:23:31,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:23:31,088 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_b9b871ed-2791-424e-8162-f94946babda9/bin/ukojak-verify-EEHR8qb7sm 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 -> 2aebec197cf7bd355d2eb5f718c983de149eae8f5ff2da107813d58a220d4744 [2024-11-13 20:23:31,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:23:31,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:23:31,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:23:31,457 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:23:31,458 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:23:31,459 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b871ed-2791-424e-8162-f94946babda9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-restricted-15/NO_22.c Unable to find full path for "g++" [2024-11-13 20:23:33,328 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:23:33,636 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:23:33,637 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b871ed-2791-424e-8162-f94946babda9/sv-benchmarks/c/termination-restricted-15/NO_22.c [2024-11-13 20:23:33,652 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b871ed-2791-424e-8162-f94946babda9/bin/ukojak-verify-EEHR8qb7sm/data/24a5a0aa9/ae0fdedec9dd47978fa30bae192e7624/FLAG77a2f3fc7 [2024-11-13 20:23:33,694 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b871ed-2791-424e-8162-f94946babda9/bin/ukojak-verify-EEHR8qb7sm/data/24a5a0aa9/ae0fdedec9dd47978fa30bae192e7624 [2024-11-13 20:23:33,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:23:33,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:23:33,701 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:23:33,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:23:33,707 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:23:33,708 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:23:33" (1/1) ... [2024-11-13 20:23:33,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@769de16b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:33, skipping insertion in model container [2024-11-13 20:23:33,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:23:33" (1/1) ... [2024-11-13 20:23:33,726 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:23:33,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:23:33,920 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:23:33,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:23:33,948 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:23:33,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:33 WrapperNode [2024-11-13 20:23:33,948 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:23:33,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:23:33,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:23:33,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:23:33,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:33" (1/1) ... [2024-11-13 20:23:33,960 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:33" (1/1) ... [2024-11-13 20:23:33,974 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2024-11-13 20:23:33,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:23:33,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:23:33,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:23:33,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:23:33,981 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:33" (1/1) ... [2024-11-13 20:23:33,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:33" (1/1) ... [2024-11-13 20:23:33,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:33" (1/1) ... [2024-11-13 20:23:33,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:33" (1/1) ... [2024-11-13 20:23:33,986 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:33" (1/1) ... [2024-11-13 20:23:33,991 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:33" (1/1) ... [2024-11-13 20:23:33,992 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:33" (1/1) ... [2024-11-13 20:23:33,993 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:33" (1/1) ... [2024-11-13 20:23:33,994 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:23:33,996 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:23:33,997 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:23:33,997 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:23:33,998 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:33" (1/1) ... [2024-11-13 20:23:34,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:23:34,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b871ed-2791-424e-8162-f94946babda9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:23:34,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b871ed-2791-424e-8162-f94946babda9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:23:34,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b871ed-2791-424e-8162-f94946babda9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:23:34,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:23:34,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:23:34,121 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:23:34,123 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:23:34,196 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 20:23:34,196 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:23:34,218 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:23:34,218 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:23:34,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:23:34 BoogieIcfgContainer [2024-11-13 20:23:34,218 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:23:34,219 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:23:34,219 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:23:34,229 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:23:34,230 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:23:34" (1/1) ... [2024-11-13 20:23:34,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:23:34,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:34,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-11-13 20:23:34,296 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-13 20:23:34,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:23:34,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:34,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:23:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:34,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:23:34,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:34,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-13 20:23:34,529 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-13 20:23:34,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:23:34,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:34,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:23:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:34,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:23:34,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:34,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-13 20:23:34,652 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-13 20:23:34,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 20:23:34,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:34,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:23:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:34,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:23:34,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:34,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-13 20:23:34,718 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-13 20:23:34,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:23:34,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:34,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:23:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:34,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:23:34,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:34,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-11-13 20:23:34,888 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-13 20:23:34,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:23:34,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:34,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:23:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:34,986 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:23:35,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:35,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-11-13 20:23:35,023 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-13 20:23:35,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:23:35,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:35,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:23:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:35,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:23:35,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:35,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-11-13 20:23:35,181 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-13 20:23:35,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 20:23:35,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:35,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:23:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:35,254 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 20:23:35,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:35,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-13 20:23:35,299 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-13 20:23:35,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:23:35,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:35,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:23:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:35,381 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:23:35,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:35,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-13 20:23:35,507 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-13 20:23:35,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:23:35,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:35,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:23:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:35,587 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 20:23:35,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:35,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:23:35,644 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:23:35,645 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 20:23:35,645 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2024-11-13 20:23:35,656 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-13 20:23:35,774 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2024-11-13 20:23:35,774 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 20:23:35,774 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2024-11-13 20:23:35,775 INFO L77 FloydHoareUtils]: At program point L11(line 11) the Hoare annotation is: (and (<= 50 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 99)) [2024-11-13 20:23:35,775 INFO L77 FloydHoareUtils]: At program point L11-1(line 11) the Hoare annotation is: (and (<= 50 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 99)) [2024-11-13 20:23:35,775 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 20:23:35,775 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2024-11-13 20:23:35,775 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2024-11-13 20:23:35,775 INFO L77 FloydHoareUtils]: At program point L10(lines 10 11) the Hoare annotation is: (or (and (< 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 99)) (and (<= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|))) [2024-11-13 20:23:35,775 INFO L77 FloydHoareUtils]: At program point L10-1(line 10) the Hoare annotation is: (or (and (< 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 99)) (and (<= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|))) [2024-11-13 20:23:35,775 INFO L77 FloydHoareUtils]: At program point L10-2(line 10) the Hoare annotation is: (or (and (< 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 99)) (and (<= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|))) [2024-11-13 20:23:35,776 INFO L77 FloydHoareUtils]: At program point L10-4(lines 9 12) the Hoare annotation is: (<= 0 |ULTIMATE.start_main_~i~0#1|) [2024-11-13 20:23:35,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:23:35 ImpRootNode [2024-11-13 20:23:35,789 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:23:35,789 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:23:35,790 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:23:35,790 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:23:35,791 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:23:34" (3/4) ... [2024-11-13 20:23:35,793 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 20:23:35,799 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 20:23:35,801 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 20:23:35,801 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 20:23:35,884 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b871ed-2791-424e-8162-f94946babda9/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:23:35,885 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b871ed-2791-424e-8162-f94946babda9/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 20:23:35,885 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:23:35,889 INFO L158 Benchmark]: Toolchain (without parser) took 2186.91ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 68.5MB in the end (delta: 25.5MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-11-13 20:23:35,889 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:23:35,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.60ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 84.3MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:23:35,890 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.20ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 83.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:23:35,890 INFO L158 Benchmark]: Boogie Preprocessor took 18.68ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.8MB in the end (delta: 383.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:23:35,890 INFO L158 Benchmark]: RCFGBuilder took 222.31ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 73.0MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:23:35,891 INFO L158 Benchmark]: CodeCheck took 1569.71ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 72.6MB in the end (delta: 449.0kB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2024-11-13 20:23:35,892 INFO L158 Benchmark]: Witness Printer took 95.97ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 68.5MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:23:35,893 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 188 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 141 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 130 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 523 IncrementalHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 130 mSolverCounterUnsat, 18 mSDtfsCounter, 523 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 562 GetRequests, 522 SyntacticMatches, 18 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 138 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 39/41 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 - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: 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: 11]: 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: 9]: Loop Invariant Derived loop invariant: (0 <= i) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.60ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 84.3MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.20ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 83.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.68ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.8MB in the end (delta: 383.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 222.31ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 73.0MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1569.71ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 72.6MB in the end (delta: 449.0kB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Witness Printer took 95.97ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 68.5MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 20:23:35,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b871ed-2791-424e-8162-f94946babda9/bin/ukojak-verify-EEHR8qb7sm/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