./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-Fig1.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_d04d5d20-1cc0-4f24-b2fb-053462856c5f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04d5d20-1cc0-4f24-b2fb-053462856c5f/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_d04d5d20-1cc0-4f24-b2fb-053462856c5f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04d5d20-1cc0-4f24-b2fb-053462856c5f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04d5d20-1cc0-4f24-b2fb-053462856c5f/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_d04d5d20-1cc0-4f24-b2fb-053462856c5f/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 4cf25ea48272ba4463d41281066a1cec5687f4083cfa8522d5a9622c6308689c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:02:00,508 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:02:00,608 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04d5d20-1cc0-4f24-b2fb-053462856c5f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:02:00,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:02:00,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:02:00,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:02:00,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:02:00,656 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:02:00,657 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:02:00,657 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:02:00,658 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:02:00,659 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:02:00,659 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:02:00,659 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:02:00,659 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:02:00,660 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:02:00,660 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:02:00,660 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:02:00,660 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:02:00,661 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:02:00,661 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:02:00,661 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:02:00,661 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:02:00,661 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:02:00,661 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:02:00,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:02:00,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:02:00,662 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:02:00,662 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:02:00,662 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:02:00,662 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:02:00,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:02:00,662 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_d04d5d20-1cc0-4f24-b2fb-053462856c5f/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 -> 4cf25ea48272ba4463d41281066a1cec5687f4083cfa8522d5a9622c6308689c [2024-11-25 03:02:01,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:02:01,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:02:01,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:02:01,071 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:02:01,071 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:02:01,073 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04d5d20-1cc0-4f24-b2fb-053462856c5f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-Fig1.c [2024-11-25 03:02:04,627 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04d5d20-1cc0-4f24-b2fb-053462856c5f/bin/ukojak-verify-ENZ3QT5qd3/data/1331391eb/5be40fced571402a9ae833639f144644/FLAG8c899db42 [2024-11-25 03:02:04,972 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:02:04,973 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04d5d20-1cc0-4f24-b2fb-053462856c5f/sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-Fig1.c [2024-11-25 03:02:04,985 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04d5d20-1cc0-4f24-b2fb-053462856c5f/bin/ukojak-verify-ENZ3QT5qd3/data/1331391eb/5be40fced571402a9ae833639f144644/FLAG8c899db42 [2024-11-25 03:02:05,013 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04d5d20-1cc0-4f24-b2fb-053462856c5f/bin/ukojak-verify-ENZ3QT5qd3/data/1331391eb/5be40fced571402a9ae833639f144644 [2024-11-25 03:02:05,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:02:05,017 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:02:05,019 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:02:05,019 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:02:05,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:02:05,025 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:02:05" (1/1) ... [2024-11-25 03:02:05,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@582e4bc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:05, skipping insertion in model container [2024-11-25 03:02:05,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:02:05" (1/1) ... [2024-11-25 03:02:05,052 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:02:05,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:02:05,231 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:02:05,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:02:05,260 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:02:05,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:05 WrapperNode [2024-11-25 03:02:05,261 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:02:05,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:02:05,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:02:05,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:02:05,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:05" (1/1) ... [2024-11-25 03:02:05,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:05" (1/1) ... [2024-11-25 03:02:05,296 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2024-11-25 03:02:05,297 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:02:05,297 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:02:05,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:02:05,298 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:02:05,305 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:05" (1/1) ... [2024-11-25 03:02:05,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:05" (1/1) ... [2024-11-25 03:02:05,308 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:05" (1/1) ... [2024-11-25 03:02:05,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:05" (1/1) ... [2024-11-25 03:02:05,311 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:05" (1/1) ... [2024-11-25 03:02:05,312 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:05" (1/1) ... [2024-11-25 03:02:05,318 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:05" (1/1) ... [2024-11-25 03:02:05,320 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:05" (1/1) ... [2024-11-25 03:02:05,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:05" (1/1) ... [2024-11-25 03:02:05,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:02:05,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:02:05,327 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:02:05,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:02:05,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:05" (1/1) ... [2024-11-25 03:02:05,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:02:05,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04d5d20-1cc0-4f24-b2fb-053462856c5f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:02:05,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04d5d20-1cc0-4f24-b2fb-053462856c5f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:02:05,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04d5d20-1cc0-4f24-b2fb-053462856c5f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:02:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:02:05,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:02:05,496 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:02:05,498 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:02:05,632 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-25 03:02:05,632 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:02:05,691 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:02:05,691 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:02:05,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:02:05 BoogieIcfgContainer [2024-11-25 03:02:05,692 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:02:05,692 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:02:05,693 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:02:05,708 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:02:05,708 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:02:05" (1/1) ... [2024-11-25 03:02:05,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:02:05,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:02:05,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-11-25 03:02:05,791 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-25 03:02:05,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:02:05,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:02:05,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:02:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:02:06,021 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 03:02:06,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:02:06,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-25 03:02:06,110 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-25 03:02:06,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:02:06,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:02:06,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:02:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:02:06,173 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 03:02:06,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:02:06,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2024-11-25 03:02:06,349 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2024-11-25 03:02:06,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:02:06,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:02:06,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:02:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:02:06,451 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 03:02:06,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:02:06,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:02:06,709 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:02:06,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:02:06,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:02:06,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:02:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:02:06,768 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 03:02:07,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:02:07,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-25 03:02:07,044 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-25 03:02:07,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:02:07,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:02:07,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:02:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:02:07,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:02:07,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:02:07,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-25 03:02:07,188 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-25 03:02:07,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:02:07,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:02:07,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:02:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:02:07,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 03:02:07,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:02:07,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-25 03:02:07,322 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-25 03:02:07,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 03:02:07,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:02:07,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:02:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:02:07,407 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:02:07,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:02:07,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-11-25 03:02:07,674 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-25 03:02:07,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 03:02:07,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:02:07,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:02:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:02:07,750 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 03:02:07,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:02:07,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-11-25 03:02:07,836 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-25 03:02:07,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:02:07,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:02:07,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:02:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:02:07,971 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 03:02:08,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:02:08,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2024-11-25 03:02:08,705 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2024-11-25 03:02:08,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:02:08,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:02:08,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:02:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:02:08,765 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:02:08,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:02:08,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-11-25 03:02:08,961 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-11-25 03:02:08,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 03:02:08,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:02:08,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:02:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:02:09,028 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:02:09,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:02:09,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-25 03:02:09,235 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-25 03:02:09,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 03:02:09,235 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2024-11-25 03:02:09,247 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-25 03:02:09,501 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2024-11-25 03:02:09,501 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 03:02:09,501 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2024-11-25 03:02:09,502 INFO L77 FloydHoareUtils]: At program point L19-1(lines 19 21) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~x~0#1| 1073741823)) (.cse1 (<= 0 |ULTIMATE.start_main_~x~0#1|))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_main_~y~0#1| 2) (< 1 |ULTIMATE.start_main_~y~0#1|)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~y~0#1| 1073741822) (< 2 |ULTIMATE.start_main_~y~0#1|)) (and .cse0 .cse1 (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 1)))) [2024-11-25 03:02:09,504 INFO L77 FloydHoareUtils]: At program point L19-3(lines 19 21) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 1073741823) (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= 1 |ULTIMATE.start_main_~y~0#1|)) [2024-11-25 03:02:09,504 INFO L77 FloydHoareUtils]: At program point L19-4(lines 19 21) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2147483647)) [2024-11-25 03:02:09,504 INFO L77 FloydHoareUtils]: At program point L17-3(lines 17 23) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483647) [2024-11-25 03:02:09,504 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 03:02:09,505 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2024-11-25 03:02:09,505 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2024-11-25 03:02:09,505 INFO L77 FloydHoareUtils]: At program point L22(line 22) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483647) [2024-11-25 03:02:09,505 INFO L77 FloydHoareUtils]: At program point L20(line 20) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~x~0#1| 1073741823)) (.cse1 (<= 0 |ULTIMATE.start_main_~x~0#1|))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_main_~y~0#1| 2) (< 1 |ULTIMATE.start_main_~y~0#1|)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~y~0#1| 1073741822) (< 2 |ULTIMATE.start_main_~y~0#1|)) (and .cse0 .cse1 (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 1)))) [2024-11-25 03:02:09,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:02:09 ImpRootNode [2024-11-25 03:02:09,525 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:02:09,527 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:02:09,527 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:02:09,527 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:02:09,528 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:02:05" (3/4) ... [2024-11-25 03:02:09,531 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 03:02:09,538 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-25 03:02:09,538 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 03:02:09,538 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-25 03:02:09,637 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04d5d20-1cc0-4f24-b2fb-053462856c5f/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:02:09,638 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04d5d20-1cc0-4f24-b2fb-053462856c5f/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:02:09,638 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:02:09,641 INFO L158 Benchmark]: Toolchain (without parser) took 4621.77ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 81.9MB in the end (delta: 23.2MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-11-25 03:02:09,642 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:02:09,642 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.24ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 95.1MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:02:09,642 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.97ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 94.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:02:09,643 INFO L158 Benchmark]: Boogie Preprocessor took 28.68ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 93.3MB in the end (delta: 695.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:02:09,643 INFO L158 Benchmark]: RCFGBuilder took 365.03ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 82.9MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:02:09,645 INFO L158 Benchmark]: CodeCheck took 3833.12ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 86.3MB in the end (delta: -3.4MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. [2024-11-25 03:02:09,645 INFO L158 Benchmark]: Witness Printer took 110.90ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 81.9MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:02:09,647 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 289 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 245 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 232 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1008 IncrementalHoareTripleChecker+Invalid, 1240 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 232 mSolverCounterUnsat, 11 mSDtfsCounter, 1008 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 754 GetRequests, 654 SyntacticMatches, 36 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1578 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 211 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 37/50 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: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: 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: 17]: Loop Invariant Derived loop invariant: (x <= 2147483647) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (((x <= 1073741823) && (0 <= x)) && (1 <= y)) * 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 105.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.24ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 95.1MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.97ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 94.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.68ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 93.3MB in the end (delta: 695.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 365.03ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 82.9MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 3833.12ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 86.3MB in the end (delta: -3.4MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. * Witness Printer took 110.90ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 81.9MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 03:02:09,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04d5d20-1cc0-4f24-b2fb-053462856c5f/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