./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.21.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_5f0b6585-246f-4bf7-8fae-0df542250878/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0b6585-246f-4bf7-8fae-0df542250878/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_5f0b6585-246f-4bf7-8fae-0df542250878/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0b6585-246f-4bf7-8fae-0df542250878/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0b6585-246f-4bf7-8fae-0df542250878/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_5f0b6585-246f-4bf7-8fae-0df542250878/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 18f99905df219726f6874e2fa079cea2269c2971aeb0ae672556e560d1ef20cc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:02:02,097 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:02:02,210 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0b6585-246f-4bf7-8fae-0df542250878/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:02:02,225 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:02:02,225 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:02:02,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:02:02,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:02:02,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:02:02,270 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:02:02,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:02:02,272 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:02:02,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:02:02,273 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:02:02,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:02:02,274 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:02:02,274 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:02:02,274 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:02:02,275 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:02:02,275 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:02:02,275 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:02:02,275 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:02:02,275 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:02:02,275 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:02:02,276 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:02:02,276 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:02:02,276 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:02:02,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:02:02,276 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:02:02,277 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:02:02,277 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:02:02,277 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:02:02,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:02:02,278 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_5f0b6585-246f-4bf7-8fae-0df542250878/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 -> 18f99905df219726f6874e2fa079cea2269c2971aeb0ae672556e560d1ef20cc [2024-11-13 22:02:02,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:02:02,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:02:02,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:02:02,695 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:02:02,695 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:02:02,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0b6585-246f-4bf7-8fae-0df542250878/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.21.c Unable to find full path for "g++" [2024-11-13 22:02:04,649 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:02:04,939 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:02:04,945 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0b6585-246f-4bf7-8fae-0df542250878/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.21.c [2024-11-13 22:02:04,961 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0b6585-246f-4bf7-8fae-0df542250878/bin/ukojak-verify-EEHR8qb7sm/data/e4e08390a/50e5dd4ea02942109fe23fec142c4698/FLAG15fe09841 [2024-11-13 22:02:05,014 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0b6585-246f-4bf7-8fae-0df542250878/bin/ukojak-verify-EEHR8qb7sm/data/e4e08390a/50e5dd4ea02942109fe23fec142c4698 [2024-11-13 22:02:05,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:02:05,026 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:02:05,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:02:05,028 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:02:05,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:02:05,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:02:05" (1/1) ... [2024-11-13 22:02:05,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ecde773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:05, skipping insertion in model container [2024-11-13 22:02:05,040 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:02:05" (1/1) ... [2024-11-13 22:02:05,053 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:02:05,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:02:05,222 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:02:05,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:02:05,248 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:02:05,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:05 WrapperNode [2024-11-13 22:02:05,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:02:05,252 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:02:05,252 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:02:05,252 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:02:05,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:05" (1/1) ... [2024-11-13 22:02:05,264 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:05" (1/1) ... [2024-11-13 22:02:05,279 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2024-11-13 22:02:05,280 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:02:05,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:02:05,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:02:05,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:02:05,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:05" (1/1) ... [2024-11-13 22:02:05,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:05" (1/1) ... [2024-11-13 22:02:05,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:05" (1/1) ... [2024-11-13 22:02:05,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:05" (1/1) ... [2024-11-13 22:02:05,291 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:05" (1/1) ... [2024-11-13 22:02:05,296 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:05" (1/1) ... [2024-11-13 22:02:05,296 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:05" (1/1) ... [2024-11-13 22:02:05,297 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:05" (1/1) ... [2024-11-13 22:02:05,298 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:02:05,299 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:02:05,299 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:02:05,299 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:02:05,300 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:02:05" (1/1) ... [2024-11-13 22:02:05,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:02:05,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0b6585-246f-4bf7-8fae-0df542250878/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:02:05,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0b6585-246f-4bf7-8fae-0df542250878/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:02:05,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0b6585-246f-4bf7-8fae-0df542250878/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:02:05,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:02:05,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:02:05,446 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:02:05,448 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:02:05,551 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-13 22:02:05,551 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:02:05,574 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:02:05,574 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:02:05,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:02:05 BoogieIcfgContainer [2024-11-13 22:02:05,575 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:02:05,575 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:02:05,576 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:02:05,590 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:02:05,590 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:02:05" (1/1) ... [2024-11-13 22:02:05,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:02:05,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:05,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-11-13 22:02:05,667 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-11-13 22:02:05,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:02:05,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:05,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:05,828 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 22:02:05,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:05,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-13 22:02:05,909 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-13 22:02:05,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:02:05,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:05,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:02:05,918 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:02:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:02:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:02:05,944 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:02:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:02:05,954 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 22:02:05,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:02:05 ImpRootNode [2024-11-13 22:02:05,974 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:02:05,975 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:02:05,975 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:02:05,976 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:02:05,976 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:02:05" (3/4) ... [2024-11-13 22:02:05,977 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 22:02:06,013 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0b6585-246f-4bf7-8fae-0df542250878/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:02:06,013 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:02:06,014 INFO L158 Benchmark]: Toolchain (without parser) took 992.04ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 82.0MB in the end (delta: 37.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:02:06,015 INFO L158 Benchmark]: CDTParser took 1.38ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:02:06,016 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.31ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 109.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:02:06,017 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.47ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 108.7MB in the end (delta: 971.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:02:06,018 INFO L158 Benchmark]: Boogie Preprocessor took 17.12ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 108.1MB in the end (delta: 576.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:02:06,018 INFO L158 Benchmark]: RCFGBuilder took 276.00ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 98.0MB in the end (delta: 9.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:02:06,019 INFO L158 Benchmark]: CodeCheck took 399.02ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 83.6MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:02:06,019 INFO L158 Benchmark]: Witness Printer took 38.27ms. Allocated memory is still 142.6MB. Free memory was 83.6MB in the beginning and 82.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:02:06,021 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, 15 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 2 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 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, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 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: 27]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, y; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] COND TRUE x > 0 VAL [x=2147483647, y=1] [L27] x + y * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.38ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.31ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 109.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.47ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 108.7MB in the end (delta: 971.8kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.12ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 108.1MB in the end (delta: 576.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 276.00ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 98.0MB in the end (delta: 9.9MB). There was no memory consumed. Max. memory is 16.1GB. * CodeCheck took 399.02ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 83.6MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 38.27ms. Allocated memory is still 142.6MB. Free memory was 83.6MB in the beginning and 82.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 22:02:06,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0b6585-246f-4bf7-8fae-0df542250878/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)