./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaA1.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_9af84afe-66de-46fc-a196-af61bdb843e8/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9af84afe-66de-46fc-a196-af61bdb843e8/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_9af84afe-66de-46fc-a196-af61bdb843e8/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9af84afe-66de-46fc-a196-af61bdb843e8/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaA1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9af84afe-66de-46fc-a196-af61bdb843e8/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_9af84afe-66de-46fc-a196-af61bdb843e8/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 ab6c18b18e668cddc67355c8fe64fffbf634b674076a13c061b751962efeb393 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:34:25,305 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:34:25,399 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9af84afe-66de-46fc-a196-af61bdb843e8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 16:34:25,416 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:34:25,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:34:25,463 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:34:25,464 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:34:25,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:34:25,465 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:34:25,466 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:34:25,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:34:25,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:34:25,467 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:34:25,468 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:34:25,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:34:25,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:34:25,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:34:25,468 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:34:25,469 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:34:25,469 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:34:25,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:34:25,469 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:34:25,469 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:34:25,470 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:34:25,470 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:34:25,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:34:25,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:34:25,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:34:25,471 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:34:25,471 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:34:25,471 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:34:25,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:34:25,471 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_9af84afe-66de-46fc-a196-af61bdb843e8/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 -> ab6c18b18e668cddc67355c8fe64fffbf634b674076a13c061b751962efeb393 [2024-11-13 16:34:25,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:34:25,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:34:25,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:34:25,845 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:34:25,845 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:34:25,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9af84afe-66de-46fc-a196-af61bdb843e8/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-restricted-15/PastaA1.c Unable to find full path for "g++" [2024-11-13 16:34:27,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:34:28,198 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:34:28,199 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9af84afe-66de-46fc-a196-af61bdb843e8/sv-benchmarks/c/termination-restricted-15/PastaA1.c [2024-11-13 16:34:28,210 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9af84afe-66de-46fc-a196-af61bdb843e8/bin/ukojak-verify-EEHR8qb7sm/data/bb88c0b99/a56a05d0faab47ff83e10d8c96ed60e7/FLAG6ee8f65d6 [2024-11-13 16:34:28,249 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9af84afe-66de-46fc-a196-af61bdb843e8/bin/ukojak-verify-EEHR8qb7sm/data/bb88c0b99/a56a05d0faab47ff83e10d8c96ed60e7 [2024-11-13 16:34:28,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:34:28,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:34:28,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:34:28,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:34:28,276 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:34:28,277 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:34:28" (1/1) ... [2024-11-13 16:34:28,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ab5197a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:28, skipping insertion in model container [2024-11-13 16:34:28,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:34:28" (1/1) ... [2024-11-13 16:34:28,308 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:34:28,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:34:28,495 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:34:28,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:34:28,523 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:34:28,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:28 WrapperNode [2024-11-13 16:34:28,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:34:28,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:34:28,525 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:34:28,525 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:34:28,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:28" (1/1) ... [2024-11-13 16:34:28,538 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:28" (1/1) ... [2024-11-13 16:34:28,559 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2024-11-13 16:34:28,560 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:34:28,561 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:34:28,561 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:34:28,561 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:34:28,569 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:28" (1/1) ... [2024-11-13 16:34:28,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:28" (1/1) ... [2024-11-13 16:34:28,572 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:28" (1/1) ... [2024-11-13 16:34:28,573 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:28" (1/1) ... [2024-11-13 16:34:28,575 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:28" (1/1) ... [2024-11-13 16:34:28,580 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:28" (1/1) ... [2024-11-13 16:34:28,582 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:28" (1/1) ... [2024-11-13 16:34:28,583 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:28" (1/1) ... [2024-11-13 16:34:28,586 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:34:28,587 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:34:28,591 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:34:28,591 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:34:28,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:28" (1/1) ... [2024-11-13 16:34:28,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:34:28,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9af84afe-66de-46fc-a196-af61bdb843e8/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:34:28,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9af84afe-66de-46fc-a196-af61bdb843e8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:34:28,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9af84afe-66de-46fc-a196-af61bdb843e8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:34:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:34:28,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:34:28,769 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:34:28,771 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:34:28,876 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 16:34:28,879 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:34:28,910 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:34:28,913 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 16:34:28,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:34:28 BoogieIcfgContainer [2024-11-13 16:34:28,914 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:34:28,915 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:34:28,916 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:34:28,927 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:34:28,927 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:34:28" (1/1) ... [2024-11-13 16:34:28,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:34:29,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:29,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-11-13 16:34:29,019 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-13 16:34:29,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:34:29,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:29,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:29,187 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 16:34:29,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:29,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-13 16:34:29,289 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-13 16:34:29,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:34:29,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:29,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:29,369 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 16:34:29,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:29,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 16:34:29,522 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 16:34:29,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 16:34:29,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:29,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:29,587 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 16:34:29,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:29,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-13 16:34:29,880 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-13 16:34:29,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:34:29,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:29,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:29,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:34:30,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:30,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 16:34:30,048 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 16:34:30,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:34:30,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:30,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:30,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:34:30,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:30,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-13 16:34:30,431 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-13 16:34:30,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:34:30,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:30,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:30,544 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 16:34:30,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:30,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-13 16:34:30,788 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-13 16:34:30,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:34:30,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:30,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:30,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:34:31,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:31,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-13 16:34:31,253 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-13 16:34:31,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:34:31,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:31,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:31,305 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 16:34:31,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:31,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-13 16:34:31,474 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-13 16:34:31,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 16:34:31,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:31,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:31,557 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 16:34:32,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:32,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-11-13 16:34:32,104 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-13 16:34:32,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:34:32,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:32,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:32,140 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:34:32,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:32,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-13 16:34:32,319 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-13 16:34:32,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 16:34:32,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:32,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:32,381 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:34:32,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:32,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 16:34:32,571 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 16:34:32,572 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 16:34:32,574 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2024-11-13 16:34:32,588 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-13 16:34:32,921 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2024-11-13 16:34:32,921 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 16:34:32,921 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2024-11-13 16:34:32,922 INFO L77 FloydHoareUtils]: At program point L15(line 15) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483647) [2024-11-13 16:34:32,922 INFO L77 FloydHoareUtils]: At program point L13(line 13) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~x~0#1| 2147483647)) (.cse1 (<= 1 |ULTIMATE.start_main_~x~0#1|))) (or (and .cse0 (<= 0 |ULTIMATE.start_main_~y~0#1|) (<= (+ |ULTIMATE.start_main_~y~0#1| 1) |ULTIMATE.start_main_~x~0#1|)) (and (< 0 |ULTIMATE.start_main_~y~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~y~0#1| 1)) (and .cse0 (<= |ULTIMATE.start_main_~y~0#1| 2147483646) (< 1 |ULTIMATE.start_main_~y~0#1|) .cse1))) [2024-11-13 16:34:32,922 INFO L77 FloydHoareUtils]: At program point L13-1(line 13) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~x~0#1| 2147483647)) (.cse1 (<= 1 |ULTIMATE.start_main_~x~0#1|))) (or (and .cse0 (<= 0 |ULTIMATE.start_main_~y~0#1|) (<= (+ |ULTIMATE.start_main_~y~0#1| 1) |ULTIMATE.start_main_~x~0#1|)) (and (< 0 |ULTIMATE.start_main_~y~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~y~0#1| 1)) (and .cse0 (<= |ULTIMATE.start_main_~y~0#1| 2147483646) (< 1 |ULTIMATE.start_main_~y~0#1|) .cse1))) [2024-11-13 16:34:32,923 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 16:34:32,923 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2024-11-13 16:34:32,923 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2024-11-13 16:34:32,923 INFO L77 FloydHoareUtils]: At program point L12-2(lines 12 14) the Hoare annotation is: (let ((.cse1 (+ |ULTIMATE.start_main_~y~0#1| 1)) (.cse0 (<= |ULTIMATE.start_main_~x~0#1| 2147483647))) (or (and .cse0 (<= 0 |ULTIMATE.start_main_~y~0#1|) (<= .cse1 |ULTIMATE.start_main_~x~0#1|)) (and (< |ULTIMATE.start_main_~x~0#1| .cse1) .cse0 (<= 1 |ULTIMATE.start_main_~x~0#1|)))) [2024-11-13 16:34:32,923 INFO L77 FloydHoareUtils]: At program point L12-3(lines 12 14) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~x~0#1|)) [2024-11-13 16:34:32,925 INFO L77 FloydHoareUtils]: At program point L10-2(lines 10 16) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483647) [2024-11-13 16:34:32,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:34:32 ImpRootNode [2024-11-13 16:34:32,941 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:34:32,942 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:34:32,942 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:34:32,944 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:34:32,945 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:34:28" (3/4) ... [2024-11-13 16:34:32,948 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 16:34:32,954 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 16:34:32,955 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 16:34:32,956 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 16:34:33,040 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9af84afe-66de-46fc-a196-af61bdb843e8/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 16:34:33,040 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9af84afe-66de-46fc-a196-af61bdb843e8/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 16:34:33,040 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:34:33,041 INFO L158 Benchmark]: Toolchain (without parser) took 4785.15ms. Allocated memory was 419.4MB in the beginning and 142.6MB in the end (delta: -276.8MB). Free memory was 396.3MB in the beginning and 82.2MB in the end (delta: 314.0MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2024-11-13 16:34:33,041 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 142.6MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:34:33,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.00ms. Allocated memory was 419.4MB in the beginning and 142.6MB in the end (delta: -276.8MB). Free memory was 396.3MB in the beginning and 109.5MB in the end (delta: 286.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:34:33,042 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.11ms. Allocated memory is still 142.6MB. Free memory was 109.5MB in the beginning and 108.7MB in the end (delta: 845.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:34:33,042 INFO L158 Benchmark]: Boogie Preprocessor took 25.49ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 107.9MB in the end (delta: 818.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:34:33,043 INFO L158 Benchmark]: RCFGBuilder took 327.87ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 97.8MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:34:33,043 INFO L158 Benchmark]: CodeCheck took 4025.89ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 86.9MB in the end (delta: 10.9MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2024-11-13 16:34:33,044 INFO L158 Benchmark]: Witness Printer took 98.41ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 82.2MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:34:33,046 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: 3.6s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 334 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 242 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 265 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1009 IncrementalHoareTripleChecker+Invalid, 1274 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 265 mSolverCounterUnsat, 42 mSDtfsCounter, 1009 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 761 GetRequests, 648 SyntacticMatches, 43 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2007 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 224 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 38/51 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: 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 - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: 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: 12]: Loop Invariant Derived loop invariant: ((((x <= 2147483647) && (0 <= y)) && (((long) y + 1) <= x)) || (((x < ((long) y + 1)) && (x <= 2147483647)) && (1 <= x))) - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: (x <= 2147483647) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 142.6MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.00ms. Allocated memory was 419.4MB in the beginning and 142.6MB in the end (delta: -276.8MB). Free memory was 396.3MB in the beginning and 109.5MB in the end (delta: 286.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.11ms. Allocated memory is still 142.6MB. Free memory was 109.5MB in the beginning and 108.7MB in the end (delta: 845.8kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.49ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 107.9MB in the end (delta: 818.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 327.87ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 97.8MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 4025.89ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 86.9MB in the end (delta: 10.9MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Witness Printer took 98.41ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 82.2MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 16:34:33,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9af84afe-66de-46fc-a196-af61bdb843e8/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