./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Ackermann-1.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_8bc368c2-0904-4fe5-950a-0e81aba46be0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc368c2-0904-4fe5-950a-0e81aba46be0/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_8bc368c2-0904-4fe5-950a-0e81aba46be0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc368c2-0904-4fe5-950a-0e81aba46be0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Ackermann-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc368c2-0904-4fe5-950a-0e81aba46be0/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_8bc368c2-0904-4fe5-950a-0e81aba46be0/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 bfd720405bcb220888936a72c0a56a1f9623ccca41ba023f90ec05bee86a71e5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:25:25,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:25:25,393 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc368c2-0904-4fe5-950a-0e81aba46be0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 23:25:25,401 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:25:25,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:25:25,436 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:25:25,438 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:25:25,438 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:25:25,439 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:25:25,439 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:25:25,440 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:25:25,440 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:25:25,441 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:25:25,441 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:25:25,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:25:25,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:25:25,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:25:25,441 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:25:25,441 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:25:25,441 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:25:25,441 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:25:25,441 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:25:25,442 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:25:25,442 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:25:25,442 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:25:25,442 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:25:25,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:25:25,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:25:25,442 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:25:25,442 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:25:25,442 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:25:25,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:25:25,443 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_8bc368c2-0904-4fe5-950a-0e81aba46be0/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 -> bfd720405bcb220888936a72c0a56a1f9623ccca41ba023f90ec05bee86a71e5 [2024-11-13 23:25:25,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:25:25,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:25:25,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:25:25,774 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:25:25,775 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:25:25,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc368c2-0904-4fe5-950a-0e81aba46be0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-crafted/Ackermann-1.c Unable to find full path for "g++" [2024-11-13 23:25:27,691 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:25:28,040 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:25:28,041 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc368c2-0904-4fe5-950a-0e81aba46be0/sv-benchmarks/c/termination-crafted/Ackermann-1.c [2024-11-13 23:25:28,052 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc368c2-0904-4fe5-950a-0e81aba46be0/bin/ukojak-verify-EEHR8qb7sm/data/9190af3ec/c8d6d1e1c70a40609847854434a82fe6/FLAG547719a8a [2024-11-13 23:25:28,073 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc368c2-0904-4fe5-950a-0e81aba46be0/bin/ukojak-verify-EEHR8qb7sm/data/9190af3ec/c8d6d1e1c70a40609847854434a82fe6 [2024-11-13 23:25:28,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:25:28,078 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:25:28,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:25:28,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:25:28,086 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:25:28,087 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:25:28" (1/1) ... [2024-11-13 23:25:28,088 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48346b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:28, skipping insertion in model container [2024-11-13 23:25:28,088 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:25:28" (1/1) ... [2024-11-13 23:25:28,100 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:25:28,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:25:28,231 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:25:28,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:25:28,254 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:25:28,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:28 WrapperNode [2024-11-13 23:25:28,254 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:25:28,255 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:25:28,255 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:25:28,255 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:25:28,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:28" (1/1) ... [2024-11-13 23:25:28,263 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:28" (1/1) ... [2024-11-13 23:25:28,278 INFO L138 Inliner]: procedures = 5, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2024-11-13 23:25:28,278 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:25:28,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:25:28,278 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:25:28,279 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:25:28,283 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:28" (1/1) ... [2024-11-13 23:25:28,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:28" (1/1) ... [2024-11-13 23:25:28,284 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:28" (1/1) ... [2024-11-13 23:25:28,284 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:28" (1/1) ... [2024-11-13 23:25:28,286 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:28" (1/1) ... [2024-11-13 23:25:28,288 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:28" (1/1) ... [2024-11-13 23:25:28,289 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:28" (1/1) ... [2024-11-13 23:25:28,289 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:28" (1/1) ... [2024-11-13 23:25:28,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:25:28,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:25:28,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:25:28,292 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:25:28,293 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:28" (1/1) ... [2024-11-13 23:25:28,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:25:28,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc368c2-0904-4fe5-950a-0e81aba46be0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:25:28,327 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc368c2-0904-4fe5-950a-0e81aba46be0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:25:28,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc368c2-0904-4fe5-950a-0e81aba46be0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:25:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure Ack [2024-11-13 23:25:28,369 INFO L138 BoogieDeclarations]: Found implementation of procedure Ack [2024-11-13 23:25:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:25:28,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:25:28,435 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:25:28,437 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:25:28,647 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-13 23:25:28,647 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:25:28,676 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:25:28,678 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:25:28,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:25:28 BoogieIcfgContainer [2024-11-13 23:25:28,678 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:25:28,679 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:25:28,679 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:25:28,690 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:25:28,690 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:25:28" (1/1) ... [2024-11-13 23:25:28,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:25:28,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:28,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2024-11-13 23:25:28,769 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2024-11-13 23:25:28,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:25:28,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:28,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:29,024 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 23:25:29,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:29,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 44 transitions. [2024-11-13 23:25:29,125 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2024-11-13 23:25:29,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:25:29,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:29,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:25:29,135 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:25:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:25:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:25:29,182 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:25:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:25:29,195 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 23:25:29,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:25:29 ImpRootNode [2024-11-13 23:25:29,220 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:25:29,221 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:25:29,221 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:25:29,221 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:25:29,222 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:25:28" (3/4) ... [2024-11-13 23:25:29,223 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 23:25:29,260 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc368c2-0904-4fe5-950a-0e81aba46be0/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:25:29,260 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:25:29,263 INFO L158 Benchmark]: Toolchain (without parser) took 1182.80ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 76.2MB in the end (delta: 42.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 23:25:29,264 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:25:29,264 INFO L158 Benchmark]: CACSL2BoogieTranslator took 174.80ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 108.5MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:25:29,264 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.22ms. Allocated memory is still 142.6MB. Free memory was 108.5MB in the beginning and 107.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:25:29,265 INFO L158 Benchmark]: Boogie Preprocessor took 12.50ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.7MB in the end (delta: 689.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:25:29,265 INFO L158 Benchmark]: RCFGBuilder took 386.60ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 95.0MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:25:29,265 INFO L158 Benchmark]: CodeCheck took 540.92ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 77.9MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:25:29,266 INFO L158 Benchmark]: Witness Printer took 39.35ms. Allocated memory is still 142.6MB. Free memory was 77.9MB in the beginning and 76.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:25:29,270 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 2 procedures, 33 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 10 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 43 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 - CounterExampleResult [Line: 10]: integer overflow possible integer overflow possible We found a FailurePath: [L16] int x = __VERIFIER_nondet_int(); [L17] int y = __VERIFIER_nondet_int(); [L18] COND FALSE !(x < 0 || y < 0) VAL [x=0, y=2147483647] [L21] CALL Ack(x, y) VAL [\old(m)=0, \old(n)=2147483647] [L10] COND TRUE m == 0 VAL [\old(m)=0, \old(n)=2147483647, n=2147483647] [L10] n+1 VAL [\old(m)=0, \old(n)=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 174.80ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 108.5MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.22ms. Allocated memory is still 142.6MB. Free memory was 108.5MB in the beginning and 107.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.50ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.7MB in the end (delta: 689.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 386.60ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 95.0MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 540.92ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 77.9MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 39.35ms. Allocated memory is still 142.6MB. Free memory was 77.9MB in the beginning and 76.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 23:25:29,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc368c2-0904-4fe5-950a-0e81aba46be0/bin/ukojak-verify-EEHR8qb7sm/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)