./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex1.03.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_5fb88d51-a639-46ff-8880-2d310e87b386/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb88d51-a639-46ff-8880-2d310e87b386/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_5fb88d51-a639-46ff-8880-2d310e87b386/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb88d51-a639-46ff-8880-2d310e87b386/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex1.03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb88d51-a639-46ff-8880-2d310e87b386/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_5fb88d51-a639-46ff-8880-2d310e87b386/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 1cbace5580915338bbd4f6efe69f1fa46dac7d6ce729fb2189890b13c893a5f0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:19:44,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:19:44,317 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb88d51-a639-46ff-8880-2d310e87b386/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:19:44,327 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:19:44,327 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:19:44,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:19:44,368 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:19:44,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:19:44,368 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:19:44,368 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:19:44,368 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:19:44,369 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:19:44,369 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:19:44,369 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:19:44,369 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:19:44,369 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:19:44,369 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:19:44,369 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:19:44,372 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:19:44,373 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:19:44,373 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:19:44,373 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:19:44,373 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:19:44,373 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:19:44,373 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:19:44,373 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:19:44,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:19:44,374 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:19:44,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:19:44,375 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:19:44,375 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:19:44,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:19:44,375 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_5fb88d51-a639-46ff-8880-2d310e87b386/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 -> 1cbace5580915338bbd4f6efe69f1fa46dac7d6ce729fb2189890b13c893a5f0 [2024-11-13 20:19:44,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:19:44,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:19:44,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:19:44,813 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:19:44,814 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:19:44,815 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb88d51-a639-46ff-8880-2d310e87b386/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex1.03.c Unable to find full path for "g++" [2024-11-13 20:19:47,011 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:19:47,288 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:19:47,291 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb88d51-a639-46ff-8880-2d310e87b386/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex1.03.c [2024-11-13 20:19:47,296 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb88d51-a639-46ff-8880-2d310e87b386/bin/ukojak-verify-EEHR8qb7sm/data/7e6fbb292/11336c67cf4e498db7919564c8c4812a/FLAG36327a8e6 [2024-11-13 20:19:47,311 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb88d51-a639-46ff-8880-2d310e87b386/bin/ukojak-verify-EEHR8qb7sm/data/7e6fbb292/11336c67cf4e498db7919564c8c4812a [2024-11-13 20:19:47,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:19:47,314 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:19:47,316 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:19:47,316 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:19:47,321 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:19:47,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:19:47" (1/1) ... [2024-11-13 20:19:47,322 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@604fb9a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:47, skipping insertion in model container [2024-11-13 20:19:47,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:19:47" (1/1) ... [2024-11-13 20:19:47,337 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:19:47,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:19:47,525 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:19:47,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:19:47,552 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:19:47,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:47 WrapperNode [2024-11-13 20:19:47,553 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:19:47,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:19:47,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:19:47,554 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:19:47,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:47" (1/1) ... [2024-11-13 20:19:47,565 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:47" (1/1) ... [2024-11-13 20:19:47,577 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-11-13 20:19:47,577 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:19:47,578 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:19:47,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:19:47,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:19:47,585 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:47" (1/1) ... [2024-11-13 20:19:47,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:47" (1/1) ... [2024-11-13 20:19:47,586 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:47" (1/1) ... [2024-11-13 20:19:47,586 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:47" (1/1) ... [2024-11-13 20:19:47,588 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:47" (1/1) ... [2024-11-13 20:19:47,592 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:47" (1/1) ... [2024-11-13 20:19:47,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:47" (1/1) ... [2024-11-13 20:19:47,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:47" (1/1) ... [2024-11-13 20:19:47,595 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:19:47,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:19:47,596 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:19:47,596 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:19:47,597 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:47" (1/1) ... [2024-11-13 20:19:47,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:19:47,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb88d51-a639-46ff-8880-2d310e87b386/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:19:47,630 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb88d51-a639-46ff-8880-2d310e87b386/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:19:47,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb88d51-a639-46ff-8880-2d310e87b386/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:19:47,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:19:47,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:19:47,731 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:19:47,733 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:19:47,816 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 20:19:47,816 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:19:47,835 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:19:47,835 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:19:47,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:19:47 BoogieIcfgContainer [2024-11-13 20:19:47,836 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:19:47,837 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:19:47,837 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:19:47,849 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:19:47,850 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:19:47" (1/1) ... [2024-11-13 20:19:47,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:19:47,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:47,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-11-13 20:19:47,916 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-11-13 20:19:47,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:19:47,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:47,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:19:48,015 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:19:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:19:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:19:48,068 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:19:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:19:48,087 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:19:48,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:19:48 ImpRootNode [2024-11-13 20:19:48,111 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:19:48,112 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:19:48,112 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:19:48,112 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:19:48,113 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:19:47" (3/4) ... [2024-11-13 20:19:48,114 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 20:19:48,157 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb88d51-a639-46ff-8880-2d310e87b386/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:19:48,157 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:19:48,158 INFO L158 Benchmark]: Toolchain (without parser) took 843.59ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 60.6MB in the end (delta: 31.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 20:19:48,158 INFO L158 Benchmark]: CDTParser took 0.97ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:19:48,160 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.79ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 82.0MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:19:48,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.50ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 81.2MB in the end (delta: 821.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:19:48,161 INFO L158 Benchmark]: Boogie Preprocessor took 16.70ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.4MB in the end (delta: 792.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:19:48,163 INFO L158 Benchmark]: RCFGBuilder took 240.56ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 71.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:19:48,163 INFO L158 Benchmark]: CodeCheck took 274.33ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 62.1MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:19:48,165 INFO L158 Benchmark]: Witness Printer took 45.04ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 60.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:19:48,167 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, 10 locations, 2 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, 4 NumberOfCodeBlocks, 4 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: 26]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, oldx; [L24] x = __VERIFIER_nondet_int() [L25] oldx = __VERIFIER_nondet_int() [L26] x > 1 && -2*x == oldx VAL [oldx=0, x=1073741825] [L26] -2*x VAL [oldx=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.79ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 82.0MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.50ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 81.2MB in the end (delta: 821.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.70ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.4MB in the end (delta: 792.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 240.56ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 71.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 274.33ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 62.1MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 45.04ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 60.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 20:19:48,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb88d51-a639-46ff-8880-2d310e87b386/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)