./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrpbrk-alloca-1.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_c741b320-6bfa-4c18-93f8-296a6ecafd91/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c741b320-6bfa-4c18-93f8-296a6ecafd91/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c741b320-6bfa-4c18-93f8-296a6ecafd91/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c741b320-6bfa-4c18-93f8-296a6ecafd91/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrpbrk-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c741b320-6bfa-4c18-93f8-296a6ecafd91/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c741b320-6bfa-4c18-93f8-296a6ecafd91/bin/ukojak-verify-ENZ3QT5qd3 --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 dab3cfcd7f834fcfbdfecec143b1f55491432e66d7189ec50c725339851d6e17 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:20:53,953 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:20:54,030 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c741b320-6bfa-4c18-93f8-296a6ecafd91/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:20:54,035 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:20:54,036 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:20:54,059 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:20:54,060 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:20:54,060 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:20:54,061 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:20:54,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:20:54,061 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:20:54,061 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:20:54,061 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:20:54,061 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:20:54,062 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:20:54,062 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:20:54,062 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:20:54,062 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:20:54,062 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:20:54,062 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:20:54,062 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:20:54,063 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:20:54,063 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:20:54,063 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:20:54,063 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:20:54,063 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:20:54,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:20:54,064 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:20:54,064 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:20:54,064 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:20:54,064 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:20:54,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:20:54,064 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_c741b320-6bfa-4c18-93f8-296a6ecafd91/bin/ukojak-verify-ENZ3QT5qd3 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 -> dab3cfcd7f834fcfbdfecec143b1f55491432e66d7189ec50c725339851d6e17 [2024-11-25 03:20:54,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:20:54,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:20:54,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:20:54,398 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:20:54,398 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:20:54,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c741b320-6bfa-4c18-93f8-296a6ecafd91/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrpbrk-alloca-1.i [2024-11-25 03:20:57,435 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c741b320-6bfa-4c18-93f8-296a6ecafd91/bin/ukojak-verify-ENZ3QT5qd3/data/2a15174ef/7d169f3d75a6468eb91e9d5536ed5d5e/FLAG50a17ed7d [2024-11-25 03:20:57,812 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:20:57,813 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c741b320-6bfa-4c18-93f8-296a6ecafd91/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrpbrk-alloca-1.i [2024-11-25 03:20:57,828 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c741b320-6bfa-4c18-93f8-296a6ecafd91/bin/ukojak-verify-ENZ3QT5qd3/data/2a15174ef/7d169f3d75a6468eb91e9d5536ed5d5e/FLAG50a17ed7d [2024-11-25 03:20:58,021 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c741b320-6bfa-4c18-93f8-296a6ecafd91/bin/ukojak-verify-ENZ3QT5qd3/data/2a15174ef/7d169f3d75a6468eb91e9d5536ed5d5e [2024-11-25 03:20:58,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:20:58,024 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:20:58,026 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:20:58,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:20:58,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:20:58,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:20:58" (1/1) ... [2024-11-25 03:20:58,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7affd6d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:58, skipping insertion in model container [2024-11-25 03:20:58,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:20:58" (1/1) ... [2024-11-25 03:20:58,062 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:20:58,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:20:58,391 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:20:58,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:20:58,456 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:20:58,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:58 WrapperNode [2024-11-25 03:20:58,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:20:58,458 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:20:58,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:20:58,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:20:58,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:58" (1/1) ... [2024-11-25 03:20:58,482 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:58" (1/1) ... [2024-11-25 03:20:58,506 INFO L138 Inliner]: procedures = 111, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2024-11-25 03:20:58,508 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:20:58,508 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:20:58,509 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:20:58,509 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:20:58,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:58" (1/1) ... [2024-11-25 03:20:58,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:58" (1/1) ... [2024-11-25 03:20:58,519 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:58" (1/1) ... [2024-11-25 03:20:58,522 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:58" (1/1) ... [2024-11-25 03:20:58,530 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:58" (1/1) ... [2024-11-25 03:20:58,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:58" (1/1) ... [2024-11-25 03:20:58,538 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:58" (1/1) ... [2024-11-25 03:20:58,539 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:58" (1/1) ... [2024-11-25 03:20:58,544 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:58" (1/1) ... [2024-11-25 03:20:58,546 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:20:58,547 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:20:58,549 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:20:58,550 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:20:58,550 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:58" (1/1) ... [2024-11-25 03:20:58,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:20:58,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c741b320-6bfa-4c18-93f8-296a6ecafd91/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:20:58,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c741b320-6bfa-4c18-93f8-296a6ecafd91/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:20:58,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c741b320-6bfa-4c18-93f8-296a6ecafd91/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:20:58,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 03:20:58,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 03:20:58,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 03:20:58,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 03:20:58,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:20:58,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:20:58,750 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:20:58,752 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:20:58,960 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-25 03:20:58,960 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:20:59,049 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:20:59,049 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:20:59,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:20:59 BoogieIcfgContainer [2024-11-25 03:20:59,049 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:20:59,050 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:20:59,050 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:20:59,061 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:20:59,061 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:20:59" (1/1) ... [2024-11-25 03:20:59,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:20:59,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:59,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-25 03:20:59,131 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-25 03:20:59,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 03:20:59,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:59,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:59,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:20:59,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:59,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-11-25 03:20:59,420 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-25 03:20:59,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 03:20:59,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:59,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:59,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:20:59,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:59,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-25 03:20:59,686 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-25 03:20:59,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:20:59,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:59,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:59,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:21:00,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:00,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-25 03:21:00,027 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-25 03:21:00,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:21:00,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:00,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:21:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:00,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:21:00,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:00,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-11-25 03:21:00,425 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-11-25 03:21:00,425 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 03:21:00,426 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-25 03:21:00,434 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-25 03:21:00,472 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 571) no Hoare annotation was computed. [2024-11-25 03:21:00,472 INFO L77 FloydHoareUtils]: At program point L552-1(lines 552 556) the Hoare annotation is: true [2024-11-25 03:21:00,472 INFO L77 FloydHoareUtils]: At program point L552-4(lines 552 556) the Hoare annotation is: true [2024-11-25 03:21:00,472 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 570) no Hoare annotation was computed. [2024-11-25 03:21:00,472 INFO L77 FloydHoareUtils]: At program point L553-1(lines 553 555) the Hoare annotation is: true [2024-11-25 03:21:00,473 INFO L77 FloydHoareUtils]: At program point L553-2(lines 553 555) the Hoare annotation is: true [2024-11-25 03:21:00,473 INFO L77 FloydHoareUtils]: At program point L553-4(lines 553 555) the Hoare annotation is: true [2024-11-25 03:21:00,473 INFO L77 FloydHoareUtils]: At program point L553-5(lines 552 556) the Hoare annotation is: true [2024-11-25 03:21:00,473 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 570) no Hoare annotation was computed. [2024-11-25 03:21:00,473 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 03:21:00,473 INFO L77 FloydHoareUtils]: At program point L570(line 570) 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|)) [2024-11-25 03:21:00,473 INFO L77 FloydHoareUtils]: At program point L570-1(line 570) 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|)) [2024-11-25 03:21:00,474 INFO L77 FloydHoareUtils]: At program point cstrpbrk_returnLabel#1(lines 547 558) the Hoare annotation is: true [2024-11-25 03:21:00,474 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 03:21:00,474 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 571) no Hoare annotation was computed. [2024-11-25 03:21:00,474 INFO L77 FloydHoareUtils]: At program point L571(line 571) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length2~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length2~0#1|)) [2024-11-25 03:21:00,474 INFO L77 FloydHoareUtils]: At program point L571-1(line 571) the Hoare annotation is: (< |ULTIMATE.start_main_~length2~0#1| 2147483648) [2024-11-25 03:21:00,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:21:00 ImpRootNode [2024-11-25 03:21:00,484 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:21:00,487 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:21:00,487 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:21:00,487 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:21:00,488 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:20:59" (3/4) ... [2024-11-25 03:21:00,490 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 03:21:00,497 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-25 03:21:00,497 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-25 03:21:00,497 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-25 03:21:00,497 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 03:21:00,587 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c741b320-6bfa-4c18-93f8-296a6ecafd91/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:21:00,589 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c741b320-6bfa-4c18-93f8-296a6ecafd91/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:21:00,590 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:21:00,593 INFO L158 Benchmark]: Toolchain (without parser) took 2566.27ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 52.2MB in the end (delta: 40.8MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2024-11-25 03:21:00,593 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:21:00,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.11ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 76.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:21:00,594 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.40ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:21:00,594 INFO L158 Benchmark]: Boogie Preprocessor took 37.58ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 74.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:21:00,595 INFO L158 Benchmark]: RCFGBuilder took 502.65ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 59.4MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:21:00,595 INFO L158 Benchmark]: CodeCheck took 1434.32ms. Allocated memory is still 117.4MB. Free memory was 59.4MB in the beginning and 56.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-11-25 03:21:00,595 INFO L158 Benchmark]: Witness Printer took 103.17ms. Allocated memory is still 117.4MB. Free memory was 56.9MB in the beginning and 52.2MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:21:00,598 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, 17 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, 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, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s 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: 570]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 570]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 571]: 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 0.42ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.11ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 76.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.40ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.58ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 74.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 502.65ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 59.4MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1434.32ms. Allocated memory is still 117.4MB. Free memory was 59.4MB in the beginning and 56.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Witness Printer took 103.17ms. Allocated memory is still 117.4MB. Free memory was 56.9MB in the beginning and 52.2MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 03:21:00,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c741b320-6bfa-4c18-93f8-296a6ecafd91/bin/ukojak-verify-ENZ3QT5qd3/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