./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/cstrspn_diffterm_alloca.i --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_4e29fbdd-556f-4896-8617-3d12ecf9aa46/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e29fbdd-556f-4896-8617-3d12ecf9aa46/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_4e29fbdd-556f-4896-8617-3d12ecf9aa46/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e29fbdd-556f-4896-8617-3d12ecf9aa46/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-15/cstrspn_diffterm_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e29fbdd-556f-4896-8617-3d12ecf9aa46/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_4e29fbdd-556f-4896-8617-3d12ecf9aa46/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 0942d3c46657b9d8ac8f8537aec24fbcc2f0b19e897472dc297ad201df07c1bb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:21:17,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:21:17,993 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e29fbdd-556f-4896-8617-3d12ecf9aa46/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 00:21:17,997 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:21:17,998 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:21:18,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:21:18,016 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:21:18,016 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:21:18,017 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:21:18,017 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:21:18,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:21:18,017 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:21:18,017 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:21:18,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:21:18,017 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:21:18,017 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:21:18,017 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:21:18,018 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:21:18,018 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:21:18,018 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:21:18,018 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:21:18,018 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:21:18,018 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:21:18,018 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:21:18,018 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:21:18,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:21:18,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:21:18,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:21:18,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:21:18,019 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:21:18,019 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:21:18,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:21:18,019 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_4e29fbdd-556f-4896-8617-3d12ecf9aa46/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 -> 0942d3c46657b9d8ac8f8537aec24fbcc2f0b19e897472dc297ad201df07c1bb [2024-12-06 00:21:18,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:21:18,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:21:18,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:21:18,262 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:21:18,263 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:21:18,264 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e29fbdd-556f-4896-8617-3d12ecf9aa46/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-15/cstrspn_diffterm_alloca.i [2024-12-06 00:21:20,941 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e29fbdd-556f-4896-8617-3d12ecf9aa46/bin/ukojak-verify-CZk0znPC7b/data/4cfff5217/80deffe48c60430e9a4c960c04c2dbf1/FLAG48bff10a2 [2024-12-06 00:21:21,201 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:21:21,202 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e29fbdd-556f-4896-8617-3d12ecf9aa46/sv-benchmarks/c/termination-15/cstrspn_diffterm_alloca.i [2024-12-06 00:21:21,210 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e29fbdd-556f-4896-8617-3d12ecf9aa46/bin/ukojak-verify-CZk0znPC7b/data/4cfff5217/80deffe48c60430e9a4c960c04c2dbf1/FLAG48bff10a2 [2024-12-06 00:21:21,523 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e29fbdd-556f-4896-8617-3d12ecf9aa46/bin/ukojak-verify-CZk0znPC7b/data/4cfff5217/80deffe48c60430e9a4c960c04c2dbf1 [2024-12-06 00:21:21,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:21:21,527 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:21:21,528 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:21:21,528 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:21:21,532 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:21:21,533 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:21:21" (1/1) ... [2024-12-06 00:21:21,534 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17f3ac30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:21, skipping insertion in model container [2024-12-06 00:21:21,534 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:21:21" (1/1) ... [2024-12-06 00:21:21,555 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:21:21,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:21:21,790 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:21:21,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:21:21,858 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:21:21,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:21 WrapperNode [2024-12-06 00:21:21,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:21:21,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:21:21,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:21:21,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:21:21,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:21" (1/1) ... [2024-12-06 00:21:21,874 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:21" (1/1) ... [2024-12-06 00:21:21,891 INFO L138 Inliner]: procedures = 152, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2024-12-06 00:21:21,891 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:21:21,891 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:21:21,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:21:21,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:21:21,898 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:21" (1/1) ... [2024-12-06 00:21:21,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:21" (1/1) ... [2024-12-06 00:21:21,900 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:21" (1/1) ... [2024-12-06 00:21:21,900 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:21" (1/1) ... [2024-12-06 00:21:21,905 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:21" (1/1) ... [2024-12-06 00:21:21,906 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:21" (1/1) ... [2024-12-06 00:21:21,908 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:21" (1/1) ... [2024-12-06 00:21:21,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:21" (1/1) ... [2024-12-06 00:21:21,910 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:21" (1/1) ... [2024-12-06 00:21:21,911 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:21:21,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:21:21,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:21:21,912 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:21:21,913 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:21" (1/1) ... [2024-12-06 00:21:21,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:21:21,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e29fbdd-556f-4896-8617-3d12ecf9aa46/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:21:21,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e29fbdd-556f-4896-8617-3d12ecf9aa46/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:21:21,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e29fbdd-556f-4896-8617-3d12ecf9aa46/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:21:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 00:21:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 00:21:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 00:21:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:21:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:21:21,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:21:22,023 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:21:22,024 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:21:22,153 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-12-06 00:21:22,153 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:21:22,204 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:21:22,204 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:21:22,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:21:22 BoogieIcfgContainer [2024-12-06 00:21:22,205 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:21:22,205 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:21:22,205 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:21:22,215 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:21:22,215 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:21:22" (1/1) ... [2024-12-06 00:21:22,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:21:22,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:22,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-12-06 00:21:22,265 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-12-06 00:21:22,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 00:21:22,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:22,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:21:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:22,442 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 00:21:22,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:22,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-12-06 00:21:22,472 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-12-06 00:21:22,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 00:21:22,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:22,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:21:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:22,555 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 00:21:22,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:22,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-12-06 00:21:22,604 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-12-06 00:21:22,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:21:22,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:22,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:21:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:22,684 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 00:21:22,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:22,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-12-06 00:21:22,826 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-12-06 00:21:22,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:21:22,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:22,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:21:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:22,896 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 00:21:23,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:23,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-12-06 00:21:23,110 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-12-06 00:21:23,110 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 00:21:23,110 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-12-06 00:21:23,118 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-06 00:21:23,146 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 391) no Hoare annotation was computed. [2024-12-06 00:21:23,147 INFO L77 FloydHoareUtils]: At program point L374(lines 374 375) the Hoare annotation is: true [2024-12-06 00:21:23,147 INFO L77 FloydHoareUtils]: At program point L391(line 391) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length2~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length2~0#1|)) [2024-12-06 00:21:23,147 INFO L77 FloydHoareUtils]: At program point L391-1(line 391) the Hoare annotation is: (< |ULTIMATE.start_main_~length2~0#1| 2147483648) [2024-12-06 00:21:23,147 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 390) no Hoare annotation was computed. [2024-12-06 00:21:23,147 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 390) no Hoare annotation was computed. [2024-12-06 00:21:23,148 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 00:21:23,148 INFO L77 FloydHoareUtils]: At program point L372-3(lines 372 373) the Hoare annotation is: true [2024-12-06 00:21:23,148 INFO L77 FloydHoareUtils]: At program point L372-6(lines 372 373) the Hoare annotation is: true [2024-12-06 00:21:23,148 INFO L77 FloydHoareUtils]: At program point L372-7(lines 372 373) the Hoare annotation is: true [2024-12-06 00:21:23,148 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 00:21:23,148 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 391) no Hoare annotation was computed. [2024-12-06 00:21:23,148 INFO L77 FloydHoareUtils]: At program point L369-1(lines 369 376) the Hoare annotation is: true [2024-12-06 00:21:23,148 INFO L77 FloydHoareUtils]: At program point L369-4(lines 369 376) the Hoare annotation is: true [2024-12-06 00:21:23,148 INFO L77 FloydHoareUtils]: At program point L369-5(lines 369 376) the Hoare annotation is: true [2024-12-06 00:21:23,148 INFO L77 FloydHoareUtils]: At program point L390(line 390) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length2~0#1| 2147483648) (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (<= 1 |ULTIMATE.start_main_~length2~0#1|)) [2024-12-06 00:21:23,148 INFO L77 FloydHoareUtils]: At program point L390-1(line 390) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length2~0#1| 2147483648) (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length2~0#1|)) [2024-12-06 00:21:23,148 INFO L77 FloydHoareUtils]: At program point cstrspn_returnLabel#1(lines 364 378) the Hoare annotation is: true [2024-12-06 00:21:23,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:21:23 ImpRootNode [2024-12-06 00:21:23,156 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:21:23,156 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:21:23,156 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:21:23,156 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:21:23,157 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:21:22" (3/4) ... [2024-12-06 00:21:23,158 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 00:21:23,162 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-06 00:21:23,163 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-06 00:21:23,163 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 00:21:23,163 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 00:21:23,227 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e29fbdd-556f-4896-8617-3d12ecf9aa46/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 00:21:23,227 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e29fbdd-556f-4896-8617-3d12ecf9aa46/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 00:21:23,227 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:21:23,228 INFO L158 Benchmark]: Toolchain (without parser) took 1700.79ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 79.2MB in the end (delta: 36.5MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2024-12-06 00:21:23,228 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:21:23,228 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.54ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 97.4MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:21:23,229 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.87ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 95.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:21:23,229 INFO L158 Benchmark]: Boogie Preprocessor took 19.56ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 94.6MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:21:23,229 INFO L158 Benchmark]: RCFGBuilder took 293.16ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 78.1MB in the end (delta: 16.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:21:23,229 INFO L158 Benchmark]: CodeCheck took 950.41ms. Allocated memory is still 142.6MB. Free memory was 78.1MB in the beginning and 84.3MB in the end (delta: -6.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:21:23,230 INFO L158 Benchmark]: Witness Printer took 70.74ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 79.2MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:21:23,231 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, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 96 IncrementalHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 0 mSDtfsCounter, 96 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 390]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 390]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 391]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 391]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.54ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 97.4MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.87ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 95.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.56ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 94.6MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 293.16ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 78.1MB in the end (delta: 16.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 950.41ms. Allocated memory is still 142.6MB. Free memory was 78.1MB in the beginning and 84.3MB in the end (delta: -6.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 70.74ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 79.2MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 00:21:23,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e29fbdd-556f-4896-8617-3d12ecf9aa46/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