./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/sum_non.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630e1133-73ee-4f64-af98-183017ea87b1/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630e1133-73ee-4f64-af98-183017ea87b1/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630e1133-73ee-4f64-af98-183017ea87b1/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630e1133-73ee-4f64-af98-183017ea87b1/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/sum_non.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630e1133-73ee-4f64-af98-183017ea87b1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630e1133-73ee-4f64-af98-183017ea87b1/bin/ukojak-verify-afCqCEvfdi --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 32bit --witnessprinter.graph.data.programhash 13160766ab5e643bd08f9724b40035ea4b7373673380c24ecb20b0478591b2b8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:55:30,070 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:55:30,187 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630e1133-73ee-4f64-af98-183017ea87b1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:55:30,193 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:55:30,193 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:55:30,233 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:55:30,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:55:30,235 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:55:30,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:55:30,241 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:55:30,242 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:55:30,243 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:55:30,243 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:55:30,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:55:30,246 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:55:30,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:55:30,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:55:30,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:55:30,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:55:30,248 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:55:30,248 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:55:30,249 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:55:30,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:55:30,250 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:55:30,251 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:55:30,251 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:55:30,252 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:55:30,252 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:55:30,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:30,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:55:30,254 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:55:30,255 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:55:30,255 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:55:30,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:55:30,255 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:55:30,256 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630e1133-73ee-4f64-af98-183017ea87b1/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630e1133-73ee-4f64-af98-183017ea87b1/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13160766ab5e643bd08f9724b40035ea4b7373673380c24ecb20b0478591b2b8 [2023-11-24 22:55:30,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:55:30,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:55:30,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:55:30,622 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:55:30,623 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:55:30,625 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630e1133-73ee-4f64-af98-183017ea87b1/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/recursive-simple/sum_non.c [2023-11-24 22:55:33,694 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:55:33,947 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:55:33,947 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630e1133-73ee-4f64-af98-183017ea87b1/sv-benchmarks/c/recursive-simple/sum_non.c [2023-11-24 22:55:33,955 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630e1133-73ee-4f64-af98-183017ea87b1/bin/ukojak-verify-afCqCEvfdi/data/523ffe451/6163ebc1802c4af98d392cf9c76cf4fa/FLAGd64c268ff [2023-11-24 22:55:33,975 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630e1133-73ee-4f64-af98-183017ea87b1/bin/ukojak-verify-afCqCEvfdi/data/523ffe451/6163ebc1802c4af98d392cf9c76cf4fa [2023-11-24 22:55:33,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:55:33,983 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:55:33,986 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:33,986 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:55:33,991 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:55:33,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:33" (1/1) ... [2023-11-24 22:55:33,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e6ffd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:33, skipping insertion in model container [2023-11-24 22:55:33,994 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:33" (1/1) ... [2023-11-24 22:55:34,013 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:34,190 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:34,201 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:34,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:34,225 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:34,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:34 WrapperNode [2023-11-24 22:55:34,226 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:34,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:34,227 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:34,227 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:34,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:34" (1/1) ... [2023-11-24 22:55:34,242 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:34" (1/1) ... [2023-11-24 22:55:34,259 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 28 [2023-11-24 22:55:34,260 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:34,261 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:34,261 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:34,261 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:34,271 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:34" (1/1) ... [2023-11-24 22:55:34,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:34" (1/1) ... [2023-11-24 22:55:34,273 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:34" (1/1) ... [2023-11-24 22:55:34,273 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:34" (1/1) ... [2023-11-24 22:55:34,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:34" (1/1) ... [2023-11-24 22:55:34,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:34" (1/1) ... [2023-11-24 22:55:34,279 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:34" (1/1) ... [2023-11-24 22:55:34,280 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:34" (1/1) ... [2023-11-24 22:55:34,282 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:34,283 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:34,283 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:34,283 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:34,284 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:34" (1/1) ... [2023-11-24 22:55:34,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:34,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630e1133-73ee-4f64-af98-183017ea87b1/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:34,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630e1133-73ee-4f64-af98-183017ea87b1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:34,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630e1133-73ee-4f64-af98-183017ea87b1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:34,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2023-11-24 22:55:34,361 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2023-11-24 22:55:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:55:34,433 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:34,435 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:55:34,567 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:34,601 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:55:34,601 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:55:34,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:34 BoogieIcfgContainer [2023-11-24 22:55:34,603 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:55:34,605 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:55:34,605 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:55:34,616 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:55:34,616 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:34" (1/1) ... [2023-11-24 22:55:34,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:55:34,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:34,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2023-11-24 22:55:34,688 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2023-11-24 22:55:34,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:55:34,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:34,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:55:34,784 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:55:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:55:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:55:34,845 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:55:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:55:34,868 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:55:34,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:55:34 ImpRootNode [2023-11-24 22:55:34,893 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:55:34,894 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:55:34,894 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:55:34,895 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:55:34,895 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:34" (3/4) ... [2023-11-24 22:55:34,896 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-24 22:55:34,954 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630e1133-73ee-4f64-af98-183017ea87b1/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:55:34,954 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:55:34,957 INFO L158 Benchmark]: Toolchain (without parser) took 972.53ms. Allocated memory is still 138.4MB. Free memory was 107.3MB in the beginning and 70.4MB in the end (delta: 36.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-24 22:55:34,958 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:34,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.94ms. Allocated memory is still 138.4MB. Free memory was 107.3MB in the beginning and 97.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:55:34,967 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.05ms. Allocated memory is still 138.4MB. Free memory was 97.0MB in the beginning and 95.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:34,967 INFO L158 Benchmark]: Boogie Preprocessor took 21.18ms. Allocated memory is still 138.4MB. Free memory was 95.7MB in the beginning and 94.7MB in the end (delta: 947.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:34,968 INFO L158 Benchmark]: RCFGBuilder took 321.12ms. Allocated memory is still 138.4MB. Free memory was 94.7MB in the beginning and 83.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:55:34,969 INFO L158 Benchmark]: CodeCheck took 288.66ms. Allocated memory is still 138.4MB. Free memory was 83.5MB in the beginning and 71.9MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:55:34,970 INFO L158 Benchmark]: Witness Printer took 61.30ms. Allocated memory is still 138.4MB. Free memory was 71.9MB in the beginning and 70.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:34,980 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, 26 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 8]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int a = __VERIFIER_nondet_int(); [L16] int b = __VERIFIER_nondet_int(); [L17] CALL sum(a, b) VAL [\old(m)=-2147483648, \old(n)=-1] [L7] COND TRUE n <= 0 VAL [\old(m)=-2147483648, \old(n)=-1, m=-2147483648, n=-1] [L8] m + n VAL [\old(m)=-2147483648, \old(n)=-1, m=-2147483648, n=-1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.94ms. Allocated memory is still 138.4MB. Free memory was 107.3MB in the beginning and 97.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.05ms. Allocated memory is still 138.4MB. Free memory was 97.0MB in the beginning and 95.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.18ms. Allocated memory is still 138.4MB. Free memory was 95.7MB in the beginning and 94.7MB in the end (delta: 947.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 321.12ms. Allocated memory is still 138.4MB. Free memory was 94.7MB in the beginning and 83.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 288.66ms. Allocated memory is still 138.4MB. Free memory was 83.5MB in the beginning and 71.9MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 61.30ms. Allocated memory is still 138.4MB. Free memory was 71.9MB in the beginning and 70.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-24 22:55:35,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630e1133-73ee-4f64-af98-183017ea87b1/bin/ukojak-verify-afCqCEvfdi/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)