./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/Sequence.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_68c8225f-58b1-4f4b-a1b6-6785771dae03/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c8225f-58b1-4f4b-a1b6-6785771dae03/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_68c8225f-58b1-4f4b-a1b6-6785771dae03/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c8225f-58b1-4f4b-a1b6-6785771dae03/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/Sequence.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c8225f-58b1-4f4b-a1b6-6785771dae03/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_68c8225f-58b1-4f4b-a1b6-6785771dae03/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 95ccbbbc448c04acb65590867534531dd0d1de0ae6cfb9bc69f5ca4c10abccd4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:28:12,967 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:28:13,038 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c8225f-58b1-4f4b-a1b6-6785771dae03/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:28:13,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:28:13,047 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:28:13,082 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:28:13,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:28:13,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:28:13,084 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:28:13,084 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:28:13,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:28:13,084 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:28:13,084 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:28:13,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:28:13,084 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:28:13,084 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:28:13,084 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:28:13,085 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:28:13,085 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:28:13,085 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:28:13,085 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:28:13,085 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:28:13,085 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:28:13,085 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:28:13,085 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:28:13,085 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:28:13,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:28:13,086 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:28:13,086 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:28:13,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:28:13,086 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:28:13,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:28:13,087 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_68c8225f-58b1-4f4b-a1b6-6785771dae03/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 -> 95ccbbbc448c04acb65590867534531dd0d1de0ae6cfb9bc69f5ca4c10abccd4 [2024-11-25 02:28:13,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:28:13,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:28:13,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:28:13,551 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:28:13,551 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:28:13,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c8225f-58b1-4f4b-a1b6-6785771dae03/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-restricted-15/Sequence.c [2024-11-25 02:28:17,689 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c8225f-58b1-4f4b-a1b6-6785771dae03/bin/ukojak-verify-ENZ3QT5qd3/data/a79f4f546/1f7ae59d02644c9d8d26bd63888ecc8e/FLAG6974c9f2d [2024-11-25 02:28:18,070 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:28:18,072 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c8225f-58b1-4f4b-a1b6-6785771dae03/sv-benchmarks/c/termination-restricted-15/Sequence.c [2024-11-25 02:28:18,094 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c8225f-58b1-4f4b-a1b6-6785771dae03/bin/ukojak-verify-ENZ3QT5qd3/data/a79f4f546/1f7ae59d02644c9d8d26bd63888ecc8e/FLAG6974c9f2d [2024-11-25 02:28:18,138 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c8225f-58b1-4f4b-a1b6-6785771dae03/bin/ukojak-verify-ENZ3QT5qd3/data/a79f4f546/1f7ae59d02644c9d8d26bd63888ecc8e [2024-11-25 02:28:18,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:28:18,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:28:18,148 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:28:18,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:28:18,156 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:28:18,158 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:28:18" (1/1) ... [2024-11-25 02:28:18,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13840ae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:18, skipping insertion in model container [2024-11-25 02:28:18,163 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:28:18" (1/1) ... [2024-11-25 02:28:18,196 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:28:18,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:28:18,491 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:28:18,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:28:18,572 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:28:18,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:18 WrapperNode [2024-11-25 02:28:18,577 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:28:18,579 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:28:18,579 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:28:18,579 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:28:18,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:18" (1/1) ... [2024-11-25 02:28:18,608 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:18" (1/1) ... [2024-11-25 02:28:18,634 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2024-11-25 02:28:18,635 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:28:18,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:28:18,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:28:18,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:28:18,649 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:18" (1/1) ... [2024-11-25 02:28:18,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:18" (1/1) ... [2024-11-25 02:28:18,651 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:18" (1/1) ... [2024-11-25 02:28:18,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:18" (1/1) ... [2024-11-25 02:28:18,655 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:18" (1/1) ... [2024-11-25 02:28:18,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:18" (1/1) ... [2024-11-25 02:28:18,669 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:18" (1/1) ... [2024-11-25 02:28:18,671 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:18" (1/1) ... [2024-11-25 02:28:18,672 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:18" (1/1) ... [2024-11-25 02:28:18,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:28:18,678 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:28:18,679 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:28:18,679 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:28:18,681 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:18" (1/1) ... [2024-11-25 02:28:18,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:28:18,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c8225f-58b1-4f4b-a1b6-6785771dae03/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:28:18,747 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c8225f-58b1-4f4b-a1b6-6785771dae03/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:28:18,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c8225f-58b1-4f4b-a1b6-6785771dae03/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:28:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:28:18,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:28:18,917 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:28:18,920 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:28:19,075 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-25 02:28:19,076 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:28:19,115 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:28:19,115 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:28:19,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:28:19 BoogieIcfgContainer [2024-11-25 02:28:19,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:28:19,118 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:28:19,118 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:28:19,137 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:28:19,138 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:28:19" (1/1) ... [2024-11-25 02:28:19,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:28:19,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:19,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-11-25 02:28:19,266 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-25 02:28:19,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 02:28:19,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:19,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:28:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:19,532 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 02:28:19,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:19,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-25 02:28:19,615 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-25 02:28:19,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:28:19,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:19,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:28:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:19,710 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 02:28:19,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:19,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 02:28:19,901 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 02:28:19,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 02:28:19,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:19,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:28:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:20,049 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 02:28:20,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:20,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 02:28:20,105 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 02:28:20,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:28:20,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:20,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:28:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:20,225 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:28:20,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:20,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-25 02:28:20,367 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-25 02:28:20,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:28:20,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:20,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:28:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:20,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:28:20,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:20,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 02:28:20,667 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 02:28:20,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:28:20,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:20,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:28:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:20,819 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 02:28:21,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:21,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-25 02:28:21,685 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-25 02:28:21,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 02:28:21,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:21,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:28:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:21,801 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 02:28:22,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:22,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-11-25 02:28:22,826 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-25 02:28:22,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:28:22,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:22,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:28:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:22,907 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 02:28:22,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:22,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2024-11-25 02:28:22,972 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-11-25 02:28:22,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 02:28:22,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:22,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:28:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:23,061 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:28:23,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:23,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2024-11-25 02:28:23,263 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-11-25 02:28:23,264 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:28:23,264 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2024-11-25 02:28:23,279 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-25 02:28:23,746 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2024-11-25 02:28:23,746 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:28:23,747 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2024-11-25 02:28:23,747 INFO L77 FloydHoareUtils]: At program point L13(line 13) the Hoare annotation is: (or (and (<= |ULTIMATE.start_main_~j~0#1| 5) (<= 5 |ULTIMATE.start_main_~j~0#1|)) (and (<= |ULTIMATE.start_main_~j~0#1| 20) (< 5 |ULTIMATE.start_main_~j~0#1|))) [2024-11-25 02:28:23,748 INFO L77 FloydHoareUtils]: At program point L13-2(line 13) the Hoare annotation is: (or (and (<= |ULTIMATE.start_main_~j~0#1| 5) (<= 5 |ULTIMATE.start_main_~j~0#1|)) (and (<= |ULTIMATE.start_main_~j~0#1| 20) (< 5 |ULTIMATE.start_main_~j~0#1|))) [2024-11-25 02:28:23,748 INFO L77 FloydHoareUtils]: At program point L11-1(line 11) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~j~0#1| 5)) (.cse1 (<= 5 |ULTIMATE.start_main_~j~0#1|))) (or (and (< 0 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 99)) (and (<= |ULTIMATE.start_main_~i~0#1| 0) .cse0 .cse1 (<= 0 |ULTIMATE.start_main_~i~0#1|)))) [2024-11-25 02:28:23,748 INFO L77 FloydHoareUtils]: At program point L13-3(line 13) the Hoare annotation is: (<= 5 |ULTIMATE.start_main_~j~0#1|) [2024-11-25 02:28:23,748 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:28:23,748 INFO L77 FloydHoareUtils]: At program point L11-3(line 11) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~j~0#1| 5)) (.cse1 (<= 5 |ULTIMATE.start_main_~j~0#1|))) (or (and (< 0 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 99)) (and (<= |ULTIMATE.start_main_~i~0#1| 0) .cse0 .cse1 (<= 0 |ULTIMATE.start_main_~i~0#1|)))) [2024-11-25 02:28:23,749 INFO L77 FloydHoareUtils]: At program point L11-4(line 11) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~j~0#1| 5) (<= 5 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|)) [2024-11-25 02:28:23,749 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2024-11-25 02:28:23,749 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2024-11-25 02:28:23,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:28:23 ImpRootNode [2024-11-25 02:28:23,780 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:28:23,781 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:28:23,782 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:28:23,783 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:28:23,784 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:28:19" (3/4) ... [2024-11-25 02:28:23,788 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:28:23,799 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-25 02:28:23,799 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 02:28:23,800 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-25 02:28:23,929 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c8225f-58b1-4f4b-a1b6-6785771dae03/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:28:23,930 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c8225f-58b1-4f4b-a1b6-6785771dae03/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:28:23,930 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:28:23,933 INFO L158 Benchmark]: Toolchain (without parser) took 5786.74ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 71.0MB in the end (delta: 22.1MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-11-25 02:28:23,934 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:28:23,934 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.71ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 83.2MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:28:23,935 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.91ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:28:23,939 INFO L158 Benchmark]: Boogie Preprocessor took 40.62ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.6MB in the end (delta: 572.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:28:23,940 INFO L158 Benchmark]: RCFGBuilder took 437.87ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 72.5MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:28:23,941 INFO L158 Benchmark]: CodeCheck took 4662.22ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 75.5MB in the end (delta: -3.0MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2024-11-25 02:28:23,943 INFO L158 Benchmark]: Witness Printer took 149.44ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 71.0MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:28:23,947 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: 4.1s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 240 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 197 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 181 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 731 IncrementalHoareTripleChecker+Invalid, 912 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 181 mSolverCounterUnsat, 20 mSDtfsCounter, 731 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 574 GetRequests, 497 SyntacticMatches, 19 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1358 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 164 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 30/31 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: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: 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: 11]: Loop Invariant Derived loop invariant: (((j <= 5) && (5 <= j)) && (0 <= i)) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: (5 <= j) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.71ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 83.2MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.91ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.62ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.6MB in the end (delta: 572.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 437.87ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 72.5MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 4662.22ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 75.5MB in the end (delta: -3.0MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. * Witness Printer took 149.44ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 71.0MB 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 02:28:23,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68c8225f-58b1-4f4b-a1b6-6785771dae03/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE