./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.05.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035f4816-84e2-49b0-8420-dde590795c42/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035f4816-84e2-49b0-8420-dde590795c42/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_035f4816-84e2-49b0-8420-dde590795c42/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035f4816-84e2-49b0-8420-dde590795c42/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035f4816-84e2-49b0-8420-dde590795c42/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_035f4816-84e2-49b0-8420-dde590795c42/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 5b6e59622d7705af1cf59256728eb18a1c337eedcf13e6d5197ea4edf09b2511 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:59:01,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:59:01,374 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035f4816-84e2-49b0-8420-dde590795c42/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 21:59:01,377 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:59:01,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:59:01,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:59:01,397 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:59:01,397 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:59:01,398 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:59:01,398 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:59:01,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:59:01,398 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:59:01,398 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:59:01,398 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:59:01,399 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:59:01,399 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:59:01,399 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:59:01,399 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 21:59:01,399 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:59:01,399 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:59:01,399 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:59:01,399 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:59:01,399 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:59:01,399 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:59:01,400 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:59:01,400 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:59:01,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:59:01,400 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:59:01,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:59:01,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:59:01,400 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:59:01,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:59:01,400 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_035f4816-84e2-49b0-8420-dde590795c42/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 -> 5b6e59622d7705af1cf59256728eb18a1c337eedcf13e6d5197ea4edf09b2511 [2024-12-05 21:59:01,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:59:01,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:59:01,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:59:01,611 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:59:01,611 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:59:01,612 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035f4816-84e2-49b0-8420-dde590795c42/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-restricted-15/b.05.c [2024-12-05 21:59:04,217 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035f4816-84e2-49b0-8420-dde590795c42/bin/ukojak-verify-CZk0znPC7b/data/eda0ad530/7ff57c7badf04c4f84b61fe93f476a68/FLAG8435f23ef [2024-12-05 21:59:04,244 ERROR L? ?]: Error during toolchain job processing: java.lang.NullPointerException: Cannot invoke "String.equalsIgnoreCase(String)" because "kindStr" is null at org.eclipse.cdt.internal.core.model.PathEntry.kindFromString(PathEntry.java:80) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.decodePathEntry(DefaultPathEntryStore.java:127) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.getRawPathEntries(DefaultPathEntryStore.java:97) at org.eclipse.cdt.internal.core.model.PathEntryStoreProxy.getRawPathEntries(PathEntryStoreProxy.java:102) at org.eclipse.cdt.internal.core.model.PathEntryManager.getRawPathEntries(PathEntryManager.java:666) at org.eclipse.cdt.core.model.CoreModel.getRawPathEntries(CoreModel.java:937) at org.eclipse.cdt.core.model.CoreModel.oldIsScannerInformationEmpty(CoreModel.java:1307) at org.eclipse.cdt.core.model.CoreModel.isScannerInformationEmpty(CoreModel.java:1252) at org.eclipse.cdt.internal.core.pdom.indexer.ProjectIndexerInputAdapter.isFileBuildConfigured(ProjectIndexerInputAdapter.java:267) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.isRequiredInIndex(AbstractIndexerTask.java:748) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.extractFiles(AbstractIndexerTask.java:667) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.runTask(AbstractIndexerTask.java:558) at org.eclipse.cdt.internal.core.pdom.indexer.PDOMIndexerTask.run(PDOMIndexerTask.java:164) at org.eclipse.cdt.internal.core.pdom.PDOMIndexerJob.run(PDOMIndexerJob.java:160) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 21:59:04,392 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:59:04,393 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035f4816-84e2-49b0-8420-dde590795c42/sv-benchmarks/c/termination-restricted-15/b.05.c [2024-12-05 21:59:04,399 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035f4816-84e2-49b0-8420-dde590795c42/bin/ukojak-verify-CZk0znPC7b/data/eda0ad530/7ff57c7badf04c4f84b61fe93f476a68/FLAG8435f23ef [2024-12-05 21:59:04,412 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035f4816-84e2-49b0-8420-dde590795c42/bin/ukojak-verify-CZk0znPC7b/data/eda0ad530/7ff57c7badf04c4f84b61fe93f476a68 [2024-12-05 21:59:04,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:59:04,415 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:59:04,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:59:04,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:59:04,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:59:04,420 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:59:04" (1/1) ... [2024-12-05 21:59:04,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4add433d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:04, skipping insertion in model container [2024-12-05 21:59:04,421 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:59:04" (1/1) ... [2024-12-05 21:59:04,431 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:59:04,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:59:04,533 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:59:04,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:59:04,551 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:59:04,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:04 WrapperNode [2024-12-05 21:59:04,551 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:59:04,552 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:59:04,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:59:04,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:59:04,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:04" (1/1) ... [2024-12-05 21:59:04,561 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:04" (1/1) ... [2024-12-05 21:59:04,571 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2024-12-05 21:59:04,571 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:59:04,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:59:04,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:59:04,572 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:59:04,577 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:04" (1/1) ... [2024-12-05 21:59:04,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:04" (1/1) ... [2024-12-05 21:59:04,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:04" (1/1) ... [2024-12-05 21:59:04,578 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:04" (1/1) ... [2024-12-05 21:59:04,579 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:04" (1/1) ... [2024-12-05 21:59:04,579 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:04" (1/1) ... [2024-12-05 21:59:04,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:04" (1/1) ... [2024-12-05 21:59:04,584 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:04" (1/1) ... [2024-12-05 21:59:04,584 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:04" (1/1) ... [2024-12-05 21:59:04,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:59:04,586 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:59:04,586 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:59:04,586 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:59:04,587 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:59:04" (1/1) ... [2024-12-05 21:59:04,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:59:04,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035f4816-84e2-49b0-8420-dde590795c42/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:59:04,613 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035f4816-84e2-49b0-8420-dde590795c42/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:59:04,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035f4816-84e2-49b0-8420-dde590795c42/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:59:04,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:59:04,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:59:04,684 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:59:04,685 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:59:04,762 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-05 21:59:04,762 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:59:04,777 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:59:04,777 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:59:04,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:59:04 BoogieIcfgContainer [2024-12-05 21:59:04,778 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:59:04,778 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:59:04,778 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:59:04,786 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:59:04,786 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:59:04" (1/1) ... [2024-12-05 21:59:04,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:59:04,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:59:04,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-05 21:59:04,831 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-05 21:59:04,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:59:04,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:59:04,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:59:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:59:04,973 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 21:59:05,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:59:05,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-12-05 21:59:05,034 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-12-05 21:59:05,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 21:59:05,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:59:05,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:59:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:59:05,099 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 21:59:05,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:59:05,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-12-05 21:59:05,230 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-12-05 21:59:05,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 21:59:05,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:59:05,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:59:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:59:05,258 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 21:59:05,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:59:05,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-12-05 21:59:05,284 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-12-05 21:59:05,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:59:05,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:59:05,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:59:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:59:05,349 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 21:59:05,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:59:05,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-12-05 21:59:05,700 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-12-05 21:59:05,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 21:59:05,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:59:05,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:59:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:59:05,738 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 21:59:06,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:59:06,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-12-05 21:59:06,187 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-12-05 21:59:06,187 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 21:59:06,187 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-12-05 21:59:06,195 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-05 21:59:06,264 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 9) no Hoare annotation was computed. [2024-12-05 21:59:06,264 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 21:59:06,264 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2024-12-05 21:59:06,264 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 21:59:06,265 INFO L77 FloydHoareUtils]: At program point L9-1(line 9) the Hoare annotation is: (let ((.cse0 (not |ULTIMATE.start_main_#t~short2#1|))) (and (or (< 0 (+ 1073741824 |ULTIMATE.start_main_~tmp~0#1|)) .cse0) (or (< |ULTIMATE.start_main_~tmp~0#1| 1073741824) .cse0) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (or (< 0 |ULTIMATE.start_main_~x~0#1|) .cse0))) [2024-12-05 21:59:06,265 INFO L77 FloydHoareUtils]: At program point L9-2(line 9) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ 1073741823 |ULTIMATE.start_main_~tmp~0#1|)) (<= |ULTIMATE.start_main_~tmp~0#1| 1073741823) (<= 1 |ULTIMATE.start_main_~x~0#1|)) [2024-12-05 21:59:06,265 INFO L77 FloydHoareUtils]: At program point L9-3(line 9) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~tmp~0#1| 1073741823) (<= 1 |ULTIMATE.start_main_~x~0#1|)) [2024-12-05 21:59:06,265 INFO L77 FloydHoareUtils]: At program point L9-5(lines 9 12) the Hoare annotation is: (or (not |ULTIMATE.start_main_#t~short2#1|) (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~x~0#1|))) [2024-12-05 21:59:06,265 INFO L77 FloydHoareUtils]: At program point L9-6(lines 9 12) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~x~0#1|)) [2024-12-05 21:59:06,265 INFO L77 FloydHoareUtils]: At program point L9-8(lines 9 12) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483647) [2024-12-05 21:59:06,265 INFO L77 FloydHoareUtils]: At program point L9-9(lines 9 12) the Hoare annotation is: true [2024-12-05 21:59:06,265 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 9) no Hoare annotation was computed. [2024-12-05 21:59:06,266 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2024-12-05 21:59:06,266 INFO L77 FloydHoareUtils]: At program point L10(line 10) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483647) [2024-12-05 21:59:06,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:59:06 ImpRootNode [2024-12-05 21:59:06,276 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:59:06,276 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:59:06,277 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:59:06,277 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:59:06,277 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:59:04" (3/4) ... [2024-12-05 21:59:06,279 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 21:59:06,285 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-05 21:59:06,285 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-05 21:59:06,285 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-05 21:59:06,350 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035f4816-84e2-49b0-8420-dde590795c42/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 21:59:06,351 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035f4816-84e2-49b0-8420-dde590795c42/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 21:59:06,351 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:59:06,352 INFO L158 Benchmark]: Toolchain (without parser) took 1936.10ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 69.9MB in the end (delta: 48.2MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2024-12-05 21:59:06,352 INFO L158 Benchmark]: CDTParser took 0.28ms. 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 21:59:06,352 INFO L158 Benchmark]: CACSL2BoogieTranslator took 135.27ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 108.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:59:06,352 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.57ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 107.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:59:06,353 INFO L158 Benchmark]: Boogie Preprocessor took 13.35ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 106.4MB in the end (delta: 795.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:59:06,353 INFO L158 Benchmark]: RCFGBuilder took 192.16ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 96.6MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:59:06,353 INFO L158 Benchmark]: CodeCheck took 1497.40ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 74.5MB in the end (delta: 22.1MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-12-05 21:59:06,353 INFO L158 Benchmark]: Witness Printer took 74.37ms. Allocated memory is still 142.6MB. Free memory was 74.5MB in the beginning and 69.9MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:59:06,355 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 73 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 64 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 201 IncrementalHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 64 mSolverCounterUnsat, 16 mSDtfsCounter, 201 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 224 GetRequests, 171 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1057 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: 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: 10]: 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: (x <= 2147483647) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 135.27ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 108.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.57ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 107.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.35ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 106.4MB in the end (delta: 795.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 192.16ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 96.6MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1497.40ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 74.5MB in the end (delta: 22.1MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * Witness Printer took 74.37ms. Allocated memory is still 142.6MB. Free memory was 74.5MB in the beginning and 69.9MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 21:59:06,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035f4816-84e2-49b0-8420-dde590795c42/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