./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a.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_002ad19c-c914-4571-b61c-d8ce3042b9f2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002ad19c-c914-4571-b61c-d8ce3042b9f2/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002ad19c-c914-4571-b61c-d8ce3042b9f2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002ad19c-c914-4571-b61c-d8ce3042b9f2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002ad19c-c914-4571-b61c-d8ce3042b9f2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002ad19c-c914-4571-b61c-d8ce3042b9f2/bin/ukojak-verify-CZk0znPC7b --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 bb3f76d55016616b178303c0eddf93fcbee588d4887c9917c414ed1a56e984ba --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:55:02,035 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:55:02,108 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002ad19c-c914-4571-b61c-d8ce3042b9f2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 03:55:02,114 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:55:02,114 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:55:02,140 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:55:02,141 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:55:02,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:55:02,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:55:02,142 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:55:02,142 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:55:02,142 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:55:02,142 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:55:02,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:55:02,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:55:02,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:55:02,143 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:55:02,143 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:55:02,143 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:55:02,143 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:55:02,143 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:55:02,143 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:55:02,143 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:55:02,143 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:55:02,143 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:55:02,144 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:55:02,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:55:02,144 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:55:02,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:55:02,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:55:02,144 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:55:02,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:55:02,144 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_002ad19c-c914-4571-b61c-d8ce3042b9f2/bin/ukojak-verify-CZk0znPC7b 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 -> bb3f76d55016616b178303c0eddf93fcbee588d4887c9917c414ed1a56e984ba [2024-12-06 03:55:02,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:55:02,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:55:02,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:55:02,448 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:55:02,449 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:55:02,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002ad19c-c914-4571-b61c-d8ce3042b9f2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a.c [2024-12-06 03:55:05,744 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002ad19c-c914-4571-b61c-d8ce3042b9f2/bin/ukojak-verify-CZk0znPC7b/data/f8f818b4c/5afa2cede28d44da9d630beaff9d4cc7/FLAG5de0f243f [2024-12-06 03:55:05,938 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:55:05,939 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002ad19c-c914-4571-b61c-d8ce3042b9f2/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a.c [2024-12-06 03:55:05,954 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002ad19c-c914-4571-b61c-d8ce3042b9f2/bin/ukojak-verify-CZk0znPC7b/data/f8f818b4c/5afa2cede28d44da9d630beaff9d4cc7/FLAG5de0f243f [2024-12-06 03:55:05,976 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002ad19c-c914-4571-b61c-d8ce3042b9f2/bin/ukojak-verify-CZk0znPC7b/data/f8f818b4c/5afa2cede28d44da9d630beaff9d4cc7 [2024-12-06 03:55:05,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:55:05,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:55:05,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:55:05,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:55:05,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:55:05,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:55:05" (1/1) ... [2024-12-06 03:55:05,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39c54e5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:05, skipping insertion in model container [2024-12-06 03:55:05,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:55:05" (1/1) ... [2024-12-06 03:55:06,002 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:55:06,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:55:06,158 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:55:06,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:55:06,185 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:55:06,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:06 WrapperNode [2024-12-06 03:55:06,186 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:55:06,187 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:55:06,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:55:06,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:55:06,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:06" (1/1) ... [2024-12-06 03:55:06,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:06" (1/1) ... [2024-12-06 03:55:06,217 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2024-12-06 03:55:06,218 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:55:06,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:55:06,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:55:06,219 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:55:06,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:06" (1/1) ... [2024-12-06 03:55:06,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:06" (1/1) ... [2024-12-06 03:55:06,227 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:06" (1/1) ... [2024-12-06 03:55:06,228 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:06" (1/1) ... [2024-12-06 03:55:06,230 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:06" (1/1) ... [2024-12-06 03:55:06,230 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:06" (1/1) ... [2024-12-06 03:55:06,234 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:06" (1/1) ... [2024-12-06 03:55:06,235 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:06" (1/1) ... [2024-12-06 03:55:06,236 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:06" (1/1) ... [2024-12-06 03:55:06,237 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:55:06,238 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:55:06,238 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:55:06,238 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:55:06,239 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:06" (1/1) ... [2024-12-06 03:55:06,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:55:06,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002ad19c-c914-4571-b61c-d8ce3042b9f2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:55:06,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002ad19c-c914-4571-b61c-d8ce3042b9f2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:55:06,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002ad19c-c914-4571-b61c-d8ce3042b9f2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:55:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:55:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:55:06,385 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:55:06,387 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:55:06,476 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 03:55:06,476 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:55:06,500 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:55:06,501 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:55:06,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:55:06 BoogieIcfgContainer [2024-12-06 03:55:06,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:55:06,502 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:55:06,502 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:55:06,514 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:55:06,515 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:55:06" (1/1) ... [2024-12-06 03:55:06,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:55:06,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:06,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-12-06 03:55:06,582 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-12-06 03:55:06,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:55:06,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:06,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:55:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:06,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:55:06,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:06,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-06 03:55:06,816 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-06 03:55:06,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:55:06,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:06,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:55:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:06,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:55:06,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:06,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-12-06 03:55:06,875 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-12-06 03:55:06,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:55:06,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:06,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:55:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:06,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:55:06,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:06,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-12-06 03:55:06,983 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-12-06 03:55:06,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:55:06,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:06,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:55:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:07,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:55:07,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:07,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-12-06 03:55:07,165 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-12-06 03:55:07,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:55:07,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:07,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:55:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:07,228 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:55:07,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:07,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-12-06 03:55:07,278 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-12-06 03:55:07,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:55:07,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:07,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:55:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:07,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:55:07,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:07,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 03:55:07,392 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 03:55:07,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 03:55:07,393 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-12-06 03:55:07,402 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-06 03:55:07,438 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2024-12-06 03:55:07,439 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 03:55:07,439 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2024-12-06 03:55:07,439 INFO L77 FloydHoareUtils]: At program point L17-1(lines 16 22) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648))) [2024-12-06 03:55:07,439 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 03:55:07,439 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2024-12-06 03:55:07,440 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2024-12-06 03:55:07,440 INFO L77 FloydHoareUtils]: At program point L20(line 20) the Hoare annotation is: (and (< |ULTIMATE.start_main_~x~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648))) [2024-12-06 03:55:07,440 INFO L77 FloydHoareUtils]: At program point L20-1(line 20) the Hoare annotation is: (and (< |ULTIMATE.start_main_~x~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648))) [2024-12-06 03:55:07,440 INFO L77 FloydHoareUtils]: At program point L18(line 18) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~x~0#1|)) [2024-12-06 03:55:07,440 INFO L77 FloydHoareUtils]: At program point L18-1(line 18) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~x~0#1|)) [2024-12-06 03:55:07,440 INFO L77 FloydHoareUtils]: At program point L16-1(lines 16 22) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648))) [2024-12-06 03:55:07,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:55:07 ImpRootNode [2024-12-06 03:55:07,451 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:55:07,451 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:55:07,451 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:55:07,452 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:55:07,452 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:55:06" (3/4) ... [2024-12-06 03:55:07,454 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 03:55:07,460 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-06 03:55:07,460 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 03:55:07,460 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 03:55:07,526 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002ad19c-c914-4571-b61c-d8ce3042b9f2/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:55:07,526 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002ad19c-c914-4571-b61c-d8ce3042b9f2/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:55:07,526 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:55:07,527 INFO L158 Benchmark]: Toolchain (without parser) took 1547.36ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 54.6MB in the end (delta: 62.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 03:55:07,527 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:55:07,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.19ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 107.5MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:55:07,528 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.29ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 106.4MB in the end (delta: 845.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:55:07,529 INFO L158 Benchmark]: Boogie Preprocessor took 18.56ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.7MB in the end (delta: 622.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:55:07,529 INFO L158 Benchmark]: RCFGBuilder took 263.59ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 95.9MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:55:07,529 INFO L158 Benchmark]: CodeCheck took 948.80ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 58.7MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 03:55:07,530 INFO L158 Benchmark]: Witness Printer took 74.98ms. Allocated memory is still 142.6MB. Free memory was 58.7MB in the beginning and 54.6MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:55:07,532 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: 0.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 76 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 66 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 252 IncrementalHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 0 mSDtfsCounter, 252 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 245 SyntacticMatches, 11 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 92 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 5/5 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: 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 - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: ((x <= 2147483647) && (0 <= (x + 2147483648))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 205.19ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 107.5MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.29ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 106.4MB in the end (delta: 845.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.56ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.7MB in the end (delta: 622.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 263.59ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 95.9MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 948.80ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 58.7MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 74.98ms. Allocated memory is still 142.6MB. Free memory was 58.7MB in the beginning and 54.6MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 03:55:07,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_002ad19c-c914-4571-b61c-d8ce3042b9f2/bin/ukojak-verify-CZk0znPC7b/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