./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/NO_21.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_f95ab5a7-65a9-4304-86fc-64eb0cba935b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95ab5a7-65a9-4304-86fc-64eb0cba935b/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_f95ab5a7-65a9-4304-86fc-64eb0cba935b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95ab5a7-65a9-4304-86fc-64eb0cba935b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/NO_21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95ab5a7-65a9-4304-86fc-64eb0cba935b/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_f95ab5a7-65a9-4304-86fc-64eb0cba935b/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 09b58293612eb320ba1daf9ca7fe4947dbbcf9de2baf65b6860d058db21da006 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:09:01,636 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:09:01,690 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95ab5a7-65a9-4304-86fc-64eb0cba935b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 22:09:01,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:09:01,694 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:09:01,714 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:09:01,714 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:09:01,714 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:09:01,715 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:09:01,715 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:09:01,715 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:09:01,715 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:09:01,715 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:09:01,715 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:09:01,715 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:09:01,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:09:01,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:09:01,716 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:09:01,716 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:09:01,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:09:01,716 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:09:01,716 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:09:01,716 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:09:01,716 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:09:01,716 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:09:01,716 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:09:01,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:09:01,717 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:09:01,717 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:09:01,717 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:09:01,717 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:09:01,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:09:01,717 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_f95ab5a7-65a9-4304-86fc-64eb0cba935b/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 -> 09b58293612eb320ba1daf9ca7fe4947dbbcf9de2baf65b6860d058db21da006 [2024-12-05 22:09:01,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:09:01,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:09:01,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:09:01,945 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:09:01,945 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:09:01,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95ab5a7-65a9-4304-86fc-64eb0cba935b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-restricted-15/NO_21.c [2024-12-05 22:09:04,514 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95ab5a7-65a9-4304-86fc-64eb0cba935b/bin/ukojak-verify-CZk0znPC7b/data/dd77cb6a3/2d6a5ce9b49e486eabbef5480eabd972/FLAG325ff91ea [2024-12-05 22:09:04,675 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:09:04,675 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95ab5a7-65a9-4304-86fc-64eb0cba935b/sv-benchmarks/c/termination-restricted-15/NO_21.c [2024-12-05 22:09:04,680 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95ab5a7-65a9-4304-86fc-64eb0cba935b/bin/ukojak-verify-CZk0znPC7b/data/dd77cb6a3/2d6a5ce9b49e486eabbef5480eabd972/FLAG325ff91ea [2024-12-05 22:09:05,087 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95ab5a7-65a9-4304-86fc-64eb0cba935b/bin/ukojak-verify-CZk0znPC7b/data/dd77cb6a3/2d6a5ce9b49e486eabbef5480eabd972 [2024-12-05 22:09:05,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:09:05,093 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:09:05,095 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:09:05,095 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:09:05,100 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:09:05,101 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:09:05" (1/1) ... [2024-12-05 22:09:05,102 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78725d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:05, skipping insertion in model container [2024-12-05 22:09:05,102 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:09:05" (1/1) ... [2024-12-05 22:09:05,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:09:05,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:09:05,203 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:09:05,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:09:05,224 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:09:05,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:05 WrapperNode [2024-12-05 22:09:05,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:09:05,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:09:05,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:09:05,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:09:05,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:05" (1/1) ... [2024-12-05 22:09:05,234 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:05" (1/1) ... [2024-12-05 22:09:05,244 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 15 [2024-12-05 22:09:05,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:09:05,245 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:09:05,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:09:05,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:09:05,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:05" (1/1) ... [2024-12-05 22:09:05,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:05" (1/1) ... [2024-12-05 22:09:05,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:05" (1/1) ... [2024-12-05 22:09:05,252 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:05" (1/1) ... [2024-12-05 22:09:05,253 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:05" (1/1) ... [2024-12-05 22:09:05,253 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:05" (1/1) ... [2024-12-05 22:09:05,256 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:05" (1/1) ... [2024-12-05 22:09:05,256 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:05" (1/1) ... [2024-12-05 22:09:05,257 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:05" (1/1) ... [2024-12-05 22:09:05,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:09:05,258 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:09:05,258 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:09:05,258 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:09:05,259 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:05" (1/1) ... [2024-12-05 22:09:05,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:09:05,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95ab5a7-65a9-4304-86fc-64eb0cba935b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:09:05,286 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95ab5a7-65a9-4304-86fc-64eb0cba935b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:09:05,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95ab5a7-65a9-4304-86fc-64eb0cba935b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:09:05,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:09:05,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:09:05,370 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:09:05,372 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:09:05,425 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-05 22:09:05,425 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:09:05,440 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:09:05,440 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:09:05,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:09:05 BoogieIcfgContainer [2024-12-05 22:09:05,440 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:09:05,441 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:09:05,441 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:09:05,447 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:09:05,447 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:09:05" (1/1) ... [2024-12-05 22:09:05,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:09:05,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:09:05,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-12-05 22:09:05,491 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-12-05 22:09:05,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 22:09:05,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:09:05,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:09:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:09:05,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:09:05,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:09:05,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-12-05 22:09:05,641 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-12-05 22:09:05,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:09:05,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:09:05,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:09:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:09:05,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:09:05,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:09:05,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-12-05 22:09:05,728 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-05 22:09:05,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:09:05,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:09:05,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:09:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:09:05,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:09:05,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:09:05,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2024-12-05 22:09:05,799 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-12-05 22:09:05,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:09:05,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:09:05,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:09:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:09:05,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:09:05,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:09:05,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-12-05 22:09:05,904 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-12-05 22:09:05,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:09:05,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:09:05,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:09:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:09:05,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:09:06,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:09:06,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-12-05 22:09:06,050 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-12-05 22:09:06,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:09:06,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:09:06,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:09:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:09:06,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:09:06,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:09:06,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-05 22:09:06,170 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-05 22:09:06,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 22:09:06,170 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-12-05 22:09:06,177 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-05 22:09:06,201 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2024-12-05 22:09:06,201 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-12-05 22:09:06,201 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2024-12-05 22:09:06,202 INFO L77 FloydHoareUtils]: At program point L11(line 11) the Hoare annotation is: (and (< 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 1)) [2024-12-05 22:09:06,202 INFO L77 FloydHoareUtils]: At program point L11-1(line 11) the Hoare annotation is: (and (< 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 1)) [2024-12-05 22:09:06,202 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 22:09:06,202 INFO L77 FloydHoareUtils]: At program point L9-1(lines 9 12) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|)) [2024-12-05 22:09:06,202 INFO L77 FloydHoareUtils]: At program point L9-3(lines 9 12) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|)) [2024-12-05 22:09:06,202 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2024-12-05 22:09:06,202 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2024-12-05 22:09:06,202 INFO L77 FloydHoareUtils]: At program point L10(line 10) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|)) [2024-12-05 22:09:06,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:09:06 ImpRootNode [2024-12-05 22:09:06,212 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:09:06,213 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:09:06,213 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:09:06,213 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:09:06,214 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:09:05" (3/4) ... [2024-12-05 22:09:06,216 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 22:09:06,221 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-05 22:09:06,221 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-05 22:09:06,221 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-05 22:09:06,277 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95ab5a7-65a9-4304-86fc-64eb0cba935b/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:09:06,277 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95ab5a7-65a9-4304-86fc-64eb0cba935b/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:09:06,277 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:09:06,278 INFO L158 Benchmark]: Toolchain (without parser) took 1185.47ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 109.6MB in the end (delta: 9.4MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2024-12-05 22:09:06,278 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:09:06,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 130.53ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 108.9MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:09:06,279 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.29ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 108.2MB in the end (delta: 778.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:09:06,279 INFO L158 Benchmark]: Boogie Preprocessor took 12.49ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.4MB in the end (delta: 781.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:09:06,280 INFO L158 Benchmark]: RCFGBuilder took 182.33ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 98.1MB in the end (delta: 9.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:09:06,280 INFO L158 Benchmark]: CodeCheck took 771.86ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 113.9MB in the end (delta: -15.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:09:06,280 INFO L158 Benchmark]: Witness Printer took 64.57ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 109.6MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:09:06,282 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, 11 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 66 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 62 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 79 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 251 IncrementalHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 79 mSolverCounterUnsat, 0 mSDtfsCounter, 251 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 214 SyntacticMatches, 17 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 88 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 6/6 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: 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: ((i <= 0) && (0 <= i)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 130.53ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 108.9MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.29ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 108.2MB in the end (delta: 778.6kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.49ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.4MB in the end (delta: 781.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 182.33ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 98.1MB in the end (delta: 9.3MB). There was no memory consumed. Max. memory is 16.1GB. * CodeCheck took 771.86ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 113.9MB in the end (delta: -15.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 64.57ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 109.6MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 22:09:06,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95ab5a7-65a9-4304-86fc-64eb0cba935b/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