./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_16_bad.i --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_9dc081a9-274b-489c-b833-97abc10bcec1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/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_9dc081a9-274b-489c-b833-97abc10bcec1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/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_9dc081a9-274b-489c-b833-97abc10bcec1/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 788549da26f481bb0f59dd5938598bf17009a023a8b9a6d4a1760ea4771a9b10 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:59:13,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:59:13,638 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:59:13,648 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:59:13,648 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:59:13,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:59:13,692 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:59:13,692 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:59:13,693 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:59:13,693 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:59:13,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:59:13,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:59:13,694 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:59:13,694 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:59:13,696 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:59:13,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:59:13,696 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:59:13,696 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:59:13,697 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:59:13,697 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:59:13,697 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:59:13,697 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:59:13,697 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:59:13,697 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:59:13,697 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:59:13,698 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:59:13,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:59:13,698 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:59:13,698 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:59:13,698 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:59:13,698 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:59:13,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:59:13,699 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_9dc081a9-274b-489c-b833-97abc10bcec1/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 -> 788549da26f481bb0f59dd5938598bf17009a023a8b9a6d4a1760ea4771a9b10 [2024-11-13 20:59:14,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:59:14,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:59:14,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:59:14,063 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:59:14,063 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:59:14,065 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_16_bad.i Unable to find full path for "g++" [2024-11-13 20:59:16,127 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:59:16,593 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:59:16,593 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_16_bad.i [2024-11-13 20:59:16,627 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/bin/ukojak-verify-EEHR8qb7sm/data/010a5c6da/9de82a97a6ac45ebbdea5611536ef70e/FLAG8cd8f1472 [2024-11-13 20:59:16,645 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/bin/ukojak-verify-EEHR8qb7sm/data/010a5c6da/9de82a97a6ac45ebbdea5611536ef70e [2024-11-13 20:59:16,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:59:16,649 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:59:16,651 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:59:16,651 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:59:16,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:59:16,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:59:16" (1/1) ... [2024-11-13 20:59:16,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66b95ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:16, skipping insertion in model container [2024-11-13 20:59:16,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:59:16" (1/1) ... [2024-11-13 20:59:16,724 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:59:17,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:59:17,943 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:59:18,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:59:18,188 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:59:18,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:18 WrapperNode [2024-11-13 20:59:18,190 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:59:18,192 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:59:18,192 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:59:18,192 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:59:18,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:18" (1/1) ... [2024-11-13 20:59:18,226 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:18" (1/1) ... [2024-11-13 20:59:18,249 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2024-11-13 20:59:18,249 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:59:18,250 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:59:18,250 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:59:18,250 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:59:18,259 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:18" (1/1) ... [2024-11-13 20:59:18,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:18" (1/1) ... [2024-11-13 20:59:18,261 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:18" (1/1) ... [2024-11-13 20:59:18,262 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:18" (1/1) ... [2024-11-13 20:59:18,267 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:18" (1/1) ... [2024-11-13 20:59:18,271 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:18" (1/1) ... [2024-11-13 20:59:18,272 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:18" (1/1) ... [2024-11-13 20:59:18,273 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:18" (1/1) ... [2024-11-13 20:59:18,275 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:59:18,277 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:59:18,277 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:59:18,277 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:59:18,278 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:18" (1/1) ... [2024-11-13 20:59:18,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:59:18,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:59:18,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:59:18,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:59:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:59:18,369 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:59:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:59:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:59:18,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:59:18,531 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:59:18,532 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:59:18,641 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 20:59:18,641 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:59:18,707 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:59:18,707 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 20:59:18,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:59:18 BoogieIcfgContainer [2024-11-13 20:59:18,708 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:59:18,709 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:59:18,709 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:59:18,722 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:59:18,722 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:59:18" (1/1) ... [2024-11-13 20:59:18,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:59:18,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:59:18,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 20:59:18,803 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 20:59:18,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:59:18,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:59:18,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:59:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:59:18,953 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:59:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:59:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:59:19,069 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:59:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:59:19,109 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:59:19,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:59:19 ImpRootNode [2024-11-13 20:59:19,143 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:59:19,144 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:59:19,144 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:59:19,145 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:59:19,145 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:59:18" (3/4) ... [2024-11-13 20:59:19,148 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:59:19,149 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:59:19,151 INFO L158 Benchmark]: Toolchain (without parser) took 2501.40ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 116.0MB in the beginning and 378.5MB in the end (delta: -262.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-13 20:59:19,151 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:59:19,152 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1540.02ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 56.1MB in the end (delta: 59.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 20:59:19,153 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.78ms. Allocated memory is still 142.6MB. Free memory was 56.1MB in the beginning and 53.6MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:59:19,153 INFO L158 Benchmark]: Boogie Preprocessor took 25.86ms. Allocated memory is still 142.6MB. Free memory was 53.6MB in the beginning and 52.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:59:19,154 INFO L158 Benchmark]: RCFGBuilder took 431.64ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 52.6MB in the beginning and 393.0MB in the end (delta: -340.4MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-13 20:59:19,154 INFO L158 Benchmark]: CodeCheck took 434.54ms. Allocated memory is still 427.8MB. Free memory was 393.0MB in the beginning and 378.5MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:59:19,155 INFO L158 Benchmark]: Witness Printer took 5.53ms. Allocated memory is still 427.8MB. Free memory is still 378.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:59:19,158 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 8 NumberOfCodeBlocks, 8 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 - UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_multiply_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [L1557] COND TRUE 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1540.02ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 56.1MB in the end (delta: 59.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.78ms. Allocated memory is still 142.6MB. Free memory was 56.1MB in the beginning and 53.6MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.86ms. Allocated memory is still 142.6MB. Free memory was 53.6MB in the beginning and 52.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 431.64ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 52.6MB in the beginning and 393.0MB in the end (delta: -340.4MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * CodeCheck took 434.54ms. Allocated memory is still 427.8MB. Free memory was 393.0MB in the beginning and 378.5MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.53ms. Allocated memory is still 427.8MB. Free memory is still 378.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:59:19,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/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_9dc081a9-274b-489c-b833-97abc10bcec1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/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 788549da26f481bb0f59dd5938598bf17009a023a8b9a6d4a1760ea4771a9b10 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:59:22,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:59:22,340 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:59:22,384 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:59:22,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:59:22,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:59:22,388 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:59:22,388 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:59:22,389 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:59:22,389 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:59:22,390 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:59:22,391 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:59:22,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:59:22,391 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:59:22,391 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:59:22,392 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:59:22,392 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:59:22,392 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:59:22,392 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:59:22,392 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:59:22,392 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:59:22,393 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:59:22,393 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:59:22,393 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:59:22,393 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:59:22,393 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:59:22,393 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:59:22,394 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:59:22,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:59:22,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:59:22,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:59:22,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:59:22,395 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:59:22,395 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:59:22,396 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:59:22,396 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_9dc081a9-274b-489c-b833-97abc10bcec1/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 -> 788549da26f481bb0f59dd5938598bf17009a023a8b9a6d4a1760ea4771a9b10 [2024-11-13 20:59:22,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:59:22,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:59:22,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:59:22,880 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:59:22,880 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:59:22,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_16_bad.i Unable to find full path for "g++" [2024-11-13 20:59:24,818 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:59:25,200 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:59:25,201 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_16_bad.i [2024-11-13 20:59:25,229 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/bin/ukojak-verify-EEHR8qb7sm/data/c90ea4dcb/b9e091c6c50149eabe7bcb8d0a1f63db/FLAGa43419954 [2024-11-13 20:59:25,247 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/bin/ukojak-verify-EEHR8qb7sm/data/c90ea4dcb/b9e091c6c50149eabe7bcb8d0a1f63db [2024-11-13 20:59:25,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:59:25,251 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:59:25,253 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:59:25,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:59:25,258 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:59:25,259 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:59:25" (1/1) ... [2024-11-13 20:59:25,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3443c655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:25, skipping insertion in model container [2024-11-13 20:59:25,261 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:59:25" (1/1) ... [2024-11-13 20:59:25,314 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:59:26,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:59:26,388 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:59:26,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:59:26,731 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:59:26,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:26 WrapperNode [2024-11-13 20:59:26,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:59:26,733 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:59:26,733 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:59:26,734 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:59:26,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:26" (1/1) ... [2024-11-13 20:59:26,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:26" (1/1) ... [2024-11-13 20:59:26,814 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2024-11-13 20:59:26,816 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:59:26,816 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:59:26,816 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:59:26,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:59:26,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:26" (1/1) ... [2024-11-13 20:59:26,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:26" (1/1) ... [2024-11-13 20:59:26,834 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:26" (1/1) ... [2024-11-13 20:59:26,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:26" (1/1) ... [2024-11-13 20:59:26,851 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:26" (1/1) ... [2024-11-13 20:59:26,854 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:26" (1/1) ... [2024-11-13 20:59:26,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:26" (1/1) ... [2024-11-13 20:59:26,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:26" (1/1) ... [2024-11-13 20:59:26,871 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:59:26,872 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:59:26,872 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:59:26,873 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:59:26,878 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:26" (1/1) ... [2024-11-13 20:59:26,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:59:26,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:59:26,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:59:26,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:59:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:59:26,970 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:59:26,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:59:26,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:59:26,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:59:27,218 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:59:27,220 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:59:27,348 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 20:59:27,348 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:59:27,406 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:59:27,406 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 20:59:27,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:59:27 BoogieIcfgContainer [2024-11-13 20:59:27,407 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:59:27,408 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:59:27,408 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:59:27,423 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:59:27,423 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:59:27" (1/1) ... [2024-11-13 20:59:27,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:59:27,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:59:27,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 20:59:27,520 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 20:59:27,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:59:27,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:59:27,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:59:27,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:59:27,528 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:59:27,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:59:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:59:27,700 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:59:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:59:27,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:59:27,804 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:59:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:59:27,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 20:59:27,847 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:59:27,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:59:27 ImpRootNode [2024-11-13 20:59:27,884 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:59:27,885 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:59:27,885 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:59:27,885 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:59:27,886 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:59:27" (3/4) ... [2024-11-13 20:59:27,889 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:59:27,890 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:59:27,891 INFO L158 Benchmark]: Toolchain (without parser) took 2640.21ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 43.9MB in the end (delta: 13.4MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2024-11-13 20:59:27,892 INFO L158 Benchmark]: CDTParser took 1.30ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:59:27,892 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1479.90ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 52.4MB in the end (delta: 4.6MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2024-11-13 20:59:27,892 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.58ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 49.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:59:27,893 INFO L158 Benchmark]: Boogie Preprocessor took 55.23ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 48.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:59:27,893 INFO L158 Benchmark]: RCFGBuilder took 534.63ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 33.1MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:59:27,894 INFO L158 Benchmark]: CodeCheck took 476.93ms. Allocated memory is still 83.9MB. Free memory was 33.1MB in the beginning and 44.3MB in the end (delta: -11.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:59:27,894 INFO L158 Benchmark]: Witness Printer took 5.05ms. Allocated memory is still 83.9MB. Free memory was 44.3MB in the beginning and 43.9MB in the end (delta: 423.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:59:27,900 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 8 NumberOfCodeBlocks, 8 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 - UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_multiply_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [L1557] COND TRUE 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.30ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1479.90ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 52.4MB in the end (delta: 4.6MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.58ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 49.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 55.23ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 48.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 534.63ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 33.1MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 476.93ms. Allocated memory is still 83.9MB. Free memory was 33.1MB in the beginning and 44.3MB in the end (delta: -11.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.05ms. Allocated memory is still 83.9MB. Free memory was 44.3MB in the beginning and 43.9MB in the end (delta: 423.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:59:27,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc081a9-274b-489c-b833-97abc10bcec1/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 Result: UNKNOWN: Overapproximated counterexample