./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/GCD4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a6649-16ef-48d9-9814-f826f5ae9b5c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a6649-16ef-48d9-9814-f826f5ae9b5c/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a6649-16ef-48d9-9814-f826f5ae9b5c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a6649-16ef-48d9-9814-f826f5ae9b5c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/GCD4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a6649-16ef-48d9-9814-f826f5ae9b5c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a6649-16ef-48d9-9814-f826f5ae9b5c/bin/ukojak-verify-EEHR8qb7sm --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 f256d3c992d0432c53ebd28135ea0740504754f166830088ee9ee3a40836ca36 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:06:49,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:06:49,470 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a6649-16ef-48d9-9814-f826f5ae9b5c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:06:49,475 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:06:49,475 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:06:49,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:06:49,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:06:49,517 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:06:49,517 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:06:49,517 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:06:49,517 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:06:49,517 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:06:49,518 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:06:49,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:06:49,518 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:06:49,518 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:06:49,518 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:06:49,518 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:06:49,520 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:06:49,520 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:06:49,520 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:06:49,520 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:06:49,521 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:06:49,521 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:06:49,521 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:06:49,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:06:49,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:06:49,522 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:06:49,522 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:06:49,522 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:06:49,522 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:06:49,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:06:49,522 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_6a6a6649-16ef-48d9-9814-f826f5ae9b5c/bin/ukojak-verify-EEHR8qb7sm 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 -> f256d3c992d0432c53ebd28135ea0740504754f166830088ee9ee3a40836ca36 [2024-11-13 21:06:49,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:06:49,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:06:49,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:06:49,898 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:06:49,899 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:06:49,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a6649-16ef-48d9-9814-f826f5ae9b5c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-restricted-15/GCD4.c Unable to find full path for "g++" [2024-11-13 21:06:51,866 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:06:52,145 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:06:52,146 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a6649-16ef-48d9-9814-f826f5ae9b5c/sv-benchmarks/c/termination-restricted-15/GCD4.c [2024-11-13 21:06:52,168 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a6649-16ef-48d9-9814-f826f5ae9b5c/bin/ukojak-verify-EEHR8qb7sm/data/996d7ca9a/1604df220ab043a6bc9ae79e12478a25/FLAGee7af721f [2024-11-13 21:06:52,194 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a6649-16ef-48d9-9814-f826f5ae9b5c/bin/ukojak-verify-EEHR8qb7sm/data/996d7ca9a/1604df220ab043a6bc9ae79e12478a25 [2024-11-13 21:06:52,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:06:52,201 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:06:52,203 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:06:52,203 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:06:52,208 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:06:52,208 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:06:52" (1/1) ... [2024-11-13 21:06:52,209 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39946ddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:52, skipping insertion in model container [2024-11-13 21:06:52,210 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:06:52" (1/1) ... [2024-11-13 21:06:52,223 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:06:52,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:06:52,395 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:06:52,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:06:52,424 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:06:52,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:52 WrapperNode [2024-11-13 21:06:52,424 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:06:52,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:06:52,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:06:52,426 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:06:52,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:52" (1/1) ... [2024-11-13 21:06:52,441 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:52" (1/1) ... [2024-11-13 21:06:52,461 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-11-13 21:06:52,462 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:06:52,463 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:06:52,463 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:06:52,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:06:52,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:52" (1/1) ... [2024-11-13 21:06:52,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:52" (1/1) ... [2024-11-13 21:06:52,472 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:52" (1/1) ... [2024-11-13 21:06:52,472 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:52" (1/1) ... [2024-11-13 21:06:52,474 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:52" (1/1) ... [2024-11-13 21:06:52,481 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:52" (1/1) ... [2024-11-13 21:06:52,484 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:52" (1/1) ... [2024-11-13 21:06:52,485 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:52" (1/1) ... [2024-11-13 21:06:52,486 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:06:52,489 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:06:52,489 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:06:52,493 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:06:52,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:52" (1/1) ... [2024-11-13 21:06:52,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:06:52,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a6649-16ef-48d9-9814-f826f5ae9b5c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:06:52,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a6649-16ef-48d9-9814-f826f5ae9b5c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:06:52,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a6649-16ef-48d9-9814-f826f5ae9b5c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:06:52,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:06:52,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:06:52,666 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:06:52,669 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:06:52,797 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 21:06:52,797 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:06:52,842 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:06:52,844 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:06:52,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:06:52 BoogieIcfgContainer [2024-11-13 21:06:52,845 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:06:52,846 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:06:52,846 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:06:52,858 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:06:52,858 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:06:52" (1/1) ... [2024-11-13 21:06:52,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:06:52,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:06:52,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 21:06:52,937 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 21:06:52,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:06:52,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:06:52,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:06:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:06:53,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:06:53,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:06:53,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:06:53,211 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:06:53,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:06:53,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:06:53,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:06:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:06:53,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:06:53,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:06:53,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 11 states and 19 transitions. [2024-11-13 21:06:53,536 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 19 transitions. [2024-11-13 21:06:53,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:06:53,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:06:53,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:06:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:06:53,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:06:54,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:06:54,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 13 states and 27 transitions. [2024-11-13 21:06:54,101 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 27 transitions. [2024-11-13 21:06:54,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:06:54,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:06:54,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:06:54,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:06:54,313 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:06:54,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:06:54,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 14 states and 28 transitions. [2024-11-13 21:06:54,986 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 28 transitions. [2024-11-13 21:06:54,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:06:54,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:06:54,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:06:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:06:55,249 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:06:55,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:06:55,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 16 states and 36 transitions. [2024-11-13 21:06:55,877 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 36 transitions. [2024-11-13 21:06:55,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:06:55,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:06:55,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:06:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:06:56,134 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:06:57,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:06:57,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 21 states and 48 transitions. [2024-11-13 21:06:57,435 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 48 transitions. [2024-11-13 21:06:57,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:06:57,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:06:57,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:06:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:06:57,537 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:06:58,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:06:58,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 21:06:58,079 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 21:06:58,079 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:06:58,079 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-13 21:06:58,093 INFO L729 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-13 21:06:58,360 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2024-11-13 21:06:58,361 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:06:58,362 INFO L77 FloydHoareUtils]: At program point L17-2(lines 17 19) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_main_~xtmp~0#1| |ULTIMATE.start_main_~tmp~0#1|))) (or (and (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= .cse0 (+ 2147483647 |ULTIMATE.start_main_~y~0#1|)) (<= |ULTIMATE.start_main_~tmp~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~tmp~0#1|)) (and (<= |ULTIMATE.start_main_~xtmp~0#1| (+ |ULTIMATE.start_main_~y~0#1| 2147483646)) (< 2147483647 |ULTIMATE.start_main_~tmp~0#1|) (<= .cse0 2147483647)))) [2024-11-13 21:06:58,362 INFO L77 FloydHoareUtils]: At program point L13-2(lines 13 23) the Hoare annotation is: (or (and (< 2147483647 |ULTIMATE.start_main_~x~0#1|) (<= (+ |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|) 2147483647)) (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647))) [2024-11-13 21:06:58,363 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:06:58,363 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2024-11-13 21:06:58,363 INFO L77 FloydHoareUtils]: At program point L18(line 18) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~xtmp~0#1|) (<= (+ |ULTIMATE.start_main_~xtmp~0#1| |ULTIMATE.start_main_~tmp~0#1|) (+ 2147483647 |ULTIMATE.start_main_~y~0#1|)) (<= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~tmp~0#1|)) [2024-11-13 21:06:58,363 INFO L77 FloydHoareUtils]: At program point L18-1(line 18) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= (+ |ULTIMATE.start_main_~xtmp~0#1| |ULTIMATE.start_main_~tmp~0#1|) (+ 2147483647 |ULTIMATE.start_main_~y~0#1|)) (<= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~tmp~0#1|)) [2024-11-13 21:06:58,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:06:58 ImpRootNode [2024-11-13 21:06:58,388 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:06:58,389 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:06:58,389 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:06:58,389 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:06:58,390 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:06:52" (3/4) ... [2024-11-13 21:06:58,393 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:06:58,408 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 21:06:58,408 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 21:06:58,408 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 21:06:58,513 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a6649-16ef-48d9-9814-f826f5ae9b5c/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:06:58,514 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a6649-16ef-48d9-9814-f826f5ae9b5c/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:06:58,514 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:06:58,518 INFO L158 Benchmark]: Toolchain (without parser) took 6314.29ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 44.8MB in the end (delta: 73.6MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. [2024-11-13 21:06:58,518 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:06:58,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.17ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 108.4MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:06:58,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.69ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.4MB in the end (delta: 779.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:06:58,519 INFO L158 Benchmark]: Boogie Preprocessor took 25.40ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.6MB in the end (delta: 495.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:06:58,520 INFO L158 Benchmark]: RCFGBuilder took 356.08ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 96.8MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:06:58,520 INFO L158 Benchmark]: CodeCheck took 5542.56ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 49.4MB in the end (delta: 47.1MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. [2024-11-13 21:06:58,522 INFO L158 Benchmark]: Witness Printer took 125.55ms. Allocated memory is still 142.6MB. Free memory was 49.4MB in the beginning and 44.8MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:06:58,524 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, 8 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 129 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 149 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 612 IncrementalHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 149 mSolverCounterUnsat, 21 mSDtfsCounter, 612 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 670 GetRequests, 569 SyntacticMatches, 17 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2387 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 208 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 14/28 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 - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((((1 <= y) && (((long) xtmp + tmp) <= ((long) 2147483647 + y))) && (tmp <= 2147483647)) && (y <= tmp)) || (((xtmp <= ((long) y + 2147483646)) && (2147483647 < tmp)) && (((long) xtmp + tmp) <= 2147483647))) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: (((2147483647 < x) && (((long) x + y) <= 2147483647)) || ((x <= 2147483647) && (y <= 2147483647))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 222.17ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 108.4MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.69ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.4MB in the end (delta: 779.0kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.40ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.6MB in the end (delta: 495.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 356.08ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 96.8MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 5542.56ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 49.4MB in the end (delta: 47.1MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. * Witness Printer took 125.55ms. Allocated memory is still 142.6MB. Free memory was 49.4MB in the beginning and 44.8MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 21:06:58,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a6649-16ef-48d9-9814-f826f5ae9b5c/bin/ukojak-verify-EEHR8qb7sm/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