./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex6.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_e2f124ba-3a79-4f9a-9e58-e09e1ff53c63/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f124ba-3a79-4f9a-9e58-e09e1ff53c63/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f124ba-3a79-4f9a-9e58-e09e1ff53c63/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f124ba-3a79-4f9a-9e58-e09e1ff53c63/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f124ba-3a79-4f9a-9e58-e09e1ff53c63/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f124ba-3a79-4f9a-9e58-e09e1ff53c63/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 78741214800a0b84d55aaf48eb07d6d31c527d6c92aeea37b41275f82a13b130 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:12:26,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:12:26,249 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f124ba-3a79-4f9a-9e58-e09e1ff53c63/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 05:12:26,256 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:12:26,259 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:12:26,290 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:12:26,291 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:12:26,291 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:12:26,291 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:12:26,291 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:12:26,292 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:12:26,292 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:12:26,292 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:12:26,293 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:12:26,294 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:12:26,294 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:12:26,294 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:12:26,295 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 05:12:26,295 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:12:26,295 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:12:26,295 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:12:26,295 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:12:26,295 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:12:26,296 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:12:26,296 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:12:26,296 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:12:26,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:12:26,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:12:26,296 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:12:26,296 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:12:26,297 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:12:26,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:12:26,297 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_e2f124ba-3a79-4f9a-9e58-e09e1ff53c63/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78741214800a0b84d55aaf48eb07d6d31c527d6c92aeea37b41275f82a13b130 [2024-11-25 05:12:26,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:12:26,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:12:26,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:12:26,656 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:12:26,656 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:12:26,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f124ba-3a79-4f9a-9e58-e09e1ff53c63/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex6.c [2024-11-25 05:12:29,693 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f124ba-3a79-4f9a-9e58-e09e1ff53c63/bin/ukojak-verify-ENZ3QT5qd3/data/d65cd3f0a/c6b22f40809147de81244ec28db51f67/FLAGa85ea510f [2024-11-25 05:12:29,937 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:12:29,938 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f124ba-3a79-4f9a-9e58-e09e1ff53c63/sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex6.c [2024-11-25 05:12:29,958 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f124ba-3a79-4f9a-9e58-e09e1ff53c63/bin/ukojak-verify-ENZ3QT5qd3/data/d65cd3f0a/c6b22f40809147de81244ec28db51f67/FLAGa85ea510f [2024-11-25 05:12:29,981 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f124ba-3a79-4f9a-9e58-e09e1ff53c63/bin/ukojak-verify-ENZ3QT5qd3/data/d65cd3f0a/c6b22f40809147de81244ec28db51f67 [2024-11-25 05:12:29,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:12:29,985 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:12:29,987 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:12:29,987 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:12:29,993 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:12:29,994 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:12:29" (1/1) ... [2024-11-25 05:12:29,995 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5514efbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:29, skipping insertion in model container [2024-11-25 05:12:29,995 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:12:29" (1/1) ... [2024-11-25 05:12:30,016 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:12:30,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:12:30,199 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:12:30,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:12:30,234 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:12:30,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:30 WrapperNode [2024-11-25 05:12:30,235 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:12:30,236 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:12:30,237 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:12:30,237 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:12:30,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:30" (1/1) ... [2024-11-25 05:12:30,247 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:30" (1/1) ... [2024-11-25 05:12:30,265 INFO L138 Inliner]: procedures = 6, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2024-11-25 05:12:30,265 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:12:30,266 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:12:30,266 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:12:30,266 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:12:30,273 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:30" (1/1) ... [2024-11-25 05:12:30,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:30" (1/1) ... [2024-11-25 05:12:30,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:30" (1/1) ... [2024-11-25 05:12:30,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:30" (1/1) ... [2024-11-25 05:12:30,278 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:30" (1/1) ... [2024-11-25 05:12:30,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:30" (1/1) ... [2024-11-25 05:12:30,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:30" (1/1) ... [2024-11-25 05:12:30,285 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:30" (1/1) ... [2024-11-25 05:12:30,285 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:30" (1/1) ... [2024-11-25 05:12:30,286 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:12:30,287 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:12:30,287 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:12:30,287 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:12:30,288 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:30" (1/1) ... [2024-11-25 05:12:30,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:12:30,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f124ba-3a79-4f9a-9e58-e09e1ff53c63/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:12:30,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f124ba-3a79-4f9a-9e58-e09e1ff53c63/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:12:30,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f124ba-3a79-4f9a-9e58-e09e1ff53c63/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:12:30,378 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-25 05:12:30,378 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-25 05:12:30,378 INFO L130 BoogieDeclarations]: Found specification of procedure g [2024-11-25 05:12:30,379 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2024-11-25 05:12:30,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:12:30,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:12:30,435 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:12:30,437 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:12:30,583 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-25 05:12:30,583 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:12:30,602 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:12:30,602 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 05:12:30,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:12:30 BoogieIcfgContainer [2024-11-25 05:12:30,603 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:12:30,604 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:12:30,604 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:12:30,614 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:12:30,614 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:12:30" (1/1) ... [2024-11-25 05:12:30,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:12:30,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:30,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 36 states and 40 transitions. [2024-11-25 05:12:30,676 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2024-11-25 05:12:30,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:12:30,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:30,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:30,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:12:30,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:30,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:12:30,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 39 states and 45 transitions. [2024-11-25 05:12:30,972 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2024-11-25 05:12:30,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:12:30,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:12:30,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:12:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:12:30,984 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:12:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:12:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:12:31,019 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:12:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:12:31,031 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 05:12:31,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:12:31 ImpRootNode [2024-11-25 05:12:31,053 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:12:31,054 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:12:31,054 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:12:31,054 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:12:31,055 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:12:30" (3/4) ... [2024-11-25 05:12:31,056 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 05:12:31,099 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 4. [2024-11-25 05:12:31,148 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f124ba-3a79-4f9a-9e58-e09e1ff53c63/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:12:31,149 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f124ba-3a79-4f9a-9e58-e09e1ff53c63/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:12:31,149 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:12:31,150 INFO L158 Benchmark]: Toolchain (without parser) took 1164.48ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 74.7MB in the end (delta: 44.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 05:12:31,153 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:12:31,153 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.25ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 108.9MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:12:31,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.68ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 107.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:12:31,155 INFO L158 Benchmark]: Boogie Preprocessor took 20.87ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 107.1MB in the end (delta: 520.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:12:31,155 INFO L158 Benchmark]: RCFGBuilder took 315.75ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 95.9MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:12:31,156 INFO L158 Benchmark]: CodeCheck took 449.50ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 78.6MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:12:31,157 INFO L158 Benchmark]: Witness Printer took 95.39ms. Allocated memory is still 142.6MB. Free memory was 78.6MB in the beginning and 74.7MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:12:31,161 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 3 procedures, 36 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 10 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 - CounterExampleResult [Line: 21]: integer overflow possible integer overflow possible We found a FailurePath: [L34] int a = __VERIFIER_nondet_int(); [L35] int b = __VERIFIER_nondet_int(); [L36] COND TRUE a >= 0 && b >= 0 VAL [a=2147483647, b=1] [L37] CALL f(a, b) VAL [\old(a)=2147483647, \old(b)=1] [L18] COND FALSE !(b == 0) VAL [\old(a)=2147483647, \old(b)=1, a=2147483647, b=1] [L21] 1+a VAL [\old(a)=2147483647, \old(b)=1, b=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.25ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 108.9MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.68ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 107.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.87ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 107.1MB in the end (delta: 520.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 315.75ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 95.9MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 449.50ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 78.6MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 95.39ms. Allocated memory is still 142.6MB. Free memory was 78.6MB in the beginning and 74.7MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 05:12:31,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2f124ba-3a79-4f9a-9e58-e09e1ff53c63/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)