./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_66_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk --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 d4359d7c6f388b17d4e292d834ec18d08a11a275e6a7df9bedbd99af358c4547 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:36:10,038 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:36:10,138 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:36:10,145 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:36:10,145 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:36:10,180 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:36:10,181 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:36:10,181 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:36:10,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:36:10,185 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:36:10,186 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:36:10,186 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:36:10,186 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:36:10,187 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:36:10,187 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:36:10,187 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:36:10,188 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:36:10,188 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:36:10,191 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:36:10,191 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:36:10,192 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:36:10,192 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:36:10,193 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:36:10,196 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:36:10,197 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:36:10,197 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:36:10,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:36:10,198 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:36:10,198 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:36:10,198 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:36:10,198 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:36:10,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:36:10,199 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4359d7c6f388b17d4e292d834ec18d08a11a275e6a7df9bedbd99af358c4547 [2024-11-08 22:36:10,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:36:10,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:36:10,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:36:10,504 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:36:10,504 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:36:10,506 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_66_bad.i Unable to find full path for "g++" [2024-11-08 22:36:12,503 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:36:12,855 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:36:12,856 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_66_bad.i [2024-11-08 22:36:12,878 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/data/ca22c17f0/92bed01cf4934f089a31c2054d1814a0/FLAG4acfc038e [2024-11-08 22:36:13,077 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/data/ca22c17f0/92bed01cf4934f089a31c2054d1814a0 [2024-11-08 22:36:13,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:36:13,081 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:36:13,083 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:36:13,083 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:36:13,089 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:36:13,090 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:36:13" (1/1) ... [2024-11-08 22:36:13,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cb8cbf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:13, skipping insertion in model container [2024-11-08 22:36:13,095 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:36:13" (1/1) ... [2024-11-08 22:36:13,183 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:36:14,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:36:14,248 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:36:14,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:36:14,583 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:36:14,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:14 WrapperNode [2024-11-08 22:36:14,584 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:36:14,586 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:36:14,586 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:36:14,586 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:36:14,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:14" (1/1) ... [2024-11-08 22:36:14,616 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:14" (1/1) ... [2024-11-08 22:36:14,655 INFO L138 Inliner]: procedures = 498, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 54 [2024-11-08 22:36:14,656 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:36:14,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:36:14,657 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:36:14,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:36:14,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:14" (1/1) ... [2024-11-08 22:36:14,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:14" (1/1) ... [2024-11-08 22:36:14,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:14" (1/1) ... [2024-11-08 22:36:14,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:14" (1/1) ... [2024-11-08 22:36:14,678 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:14" (1/1) ... [2024-11-08 22:36:14,681 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:14" (1/1) ... [2024-11-08 22:36:14,683 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:14" (1/1) ... [2024-11-08 22:36:14,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:14" (1/1) ... [2024-11-08 22:36:14,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:36:14,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:36:14,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:36:14,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:36:14,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:14" (1/1) ... [2024-11-08 22:36:14,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:36:14,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:36:14,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:36:14,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:36:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:36:14,761 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:36:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:36:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:36:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:36:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:36:14,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:36:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:36:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:36:14,908 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:36:14,910 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:36:15,026 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-08 22:36:15,026 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:36:15,078 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:36:15,078 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:36:15,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:36:15 BoogieIcfgContainer [2024-11-08 22:36:15,079 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:36:15,080 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:36:15,080 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:36:15,091 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:36:15,092 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:36:15" (1/1) ... [2024-11-08 22:36:15,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:36:15,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:15,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:36:15,168 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:36:15,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:36:15,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:15,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:36:15,335 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:36:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:36:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:36:15,469 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:36:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:36:15,500 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:36:15,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:36:15 ImpRootNode [2024-11-08 22:36:15,526 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:36:15,527 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:36:15,527 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:36:15,529 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:36:15,530 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:36:15" (3/4) ... [2024-11-08 22:36:15,532 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:36:15,533 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:36:15,535 INFO L158 Benchmark]: Toolchain (without parser) took 2453.22ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 84.5MB in the beginning and 103.4MB in the end (delta: -18.9MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-11-08 22:36:15,535 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 123.7MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:36:15,536 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1501.99ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 84.1MB in the beginning and 89.1MB in the end (delta: -5.0MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2024-11-08 22:36:15,537 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.29ms. Allocated memory is still 153.1MB. Free memory was 89.1MB in the beginning and 86.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:36:15,539 INFO L158 Benchmark]: Boogie Preprocessor took 31.59ms. Allocated memory is still 153.1MB. Free memory was 86.2MB in the beginning and 84.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:36:15,540 INFO L158 Benchmark]: RCFGBuilder took 390.50ms. Allocated memory is still 153.1MB. Free memory was 84.9MB in the beginning and 70.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:36:15,541 INFO L158 Benchmark]: CodeCheck took 446.09ms. Allocated memory is still 153.1MB. Free memory was 70.2MB in the beginning and 103.4MB in the end (delta: -33.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:36:15,542 INFO L158 Benchmark]: Witness Printer took 6.93ms. Allocated memory is still 153.1MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:36:15,545 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, 12 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, 6 NumberOfCodeBlocks, 6 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: 1570]: 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 1561. 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); [L1561] 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) [L1561] 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] [L1562] CALL CWE191_Integer_Underflow__int_fscanf_postdec_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_fscanf_postdec_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] data-- 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 0.34ms. Allocated memory is still 123.7MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1501.99ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 84.1MB in the beginning and 89.1MB in the end (delta: -5.0MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.29ms. Allocated memory is still 153.1MB. Free memory was 89.1MB in the beginning and 86.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.59ms. Allocated memory is still 153.1MB. Free memory was 86.2MB in the beginning and 84.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 390.50ms. Allocated memory is still 153.1MB. Free memory was 84.9MB in the beginning and 70.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 446.09ms. Allocated memory is still 153.1MB. Free memory was 70.2MB in the beginning and 103.4MB in the end (delta: -33.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.93ms. Allocated memory is still 153.1MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:36:15,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk --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 d4359d7c6f388b17d4e292d834ec18d08a11a275e6a7df9bedbd99af358c4547 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:36:18,006 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:36:18,102 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:36:18,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:36:18,153 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:36:18,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:36:18,155 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:36:18,156 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:36:18,156 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:36:18,157 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:36:18,158 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:36:18,158 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:36:18,158 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:36:18,161 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:36:18,161 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:36:18,162 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:36:18,162 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:36:18,162 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:36:18,163 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:36:18,163 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:36:18,163 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:36:18,164 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:36:18,164 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:36:18,168 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:36:18,169 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:36:18,169 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:36:18,169 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:36:18,169 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:36:18,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:36:18,170 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:36:18,170 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:36:18,170 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:36:18,171 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:36:18,171 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:36:18,171 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:36:18,172 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4359d7c6f388b17d4e292d834ec18d08a11a275e6a7df9bedbd99af358c4547 [2024-11-08 22:36:18,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:36:18,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:36:18,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:36:18,597 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:36:18,598 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:36:18,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_66_bad.i Unable to find full path for "g++" [2024-11-08 22:36:20,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:36:21,189 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:36:21,194 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_66_bad.i [2024-11-08 22:36:21,224 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/data/fe82b94c3/4b17a454544649aa858b98fc1d15351b/FLAGcb3c01eb6 [2024-11-08 22:36:21,241 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/data/fe82b94c3/4b17a454544649aa858b98fc1d15351b [2024-11-08 22:36:21,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:36:21,245 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:36:21,246 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:36:21,247 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:36:21,252 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:36:21,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:36:21" (1/1) ... [2024-11-08 22:36:21,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b119180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:21, skipping insertion in model container [2024-11-08 22:36:21,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:36:21" (1/1) ... [2024-11-08 22:36:21,322 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:36:22,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:36:22,570 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:36:22,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:36:22,904 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:36:22,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:22 WrapperNode [2024-11-08 22:36:22,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:36:22,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:36:22,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:36:22,908 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:36:22,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:22" (1/1) ... [2024-11-08 22:36:22,954 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:22" (1/1) ... [2024-11-08 22:36:22,992 INFO L138 Inliner]: procedures = 503, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 53 [2024-11-08 22:36:22,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:36:22,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:36:22,995 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:36:22,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:36:23,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:22" (1/1) ... [2024-11-08 22:36:23,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:22" (1/1) ... [2024-11-08 22:36:23,015 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:22" (1/1) ... [2024-11-08 22:36:23,015 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:22" (1/1) ... [2024-11-08 22:36:23,033 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:22" (1/1) ... [2024-11-08 22:36:23,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:22" (1/1) ... [2024-11-08 22:36:23,043 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:22" (1/1) ... [2024-11-08 22:36:23,045 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:22" (1/1) ... [2024-11-08 22:36:23,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:36:23,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:36:23,056 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:36:23,056 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:36:23,057 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:22" (1/1) ... [2024-11-08 22:36:23,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:36:23,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:36:23,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:36:23,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:36:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:36:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:36:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:36:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:36:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:36:23,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:36:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 22:36:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:36:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 22:36:23,288 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:36:23,290 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:36:23,467 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-08 22:36:23,468 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:36:23,550 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:36:23,550 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:36:23,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:36:23 BoogieIcfgContainer [2024-11-08 22:36:23,551 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:36:23,552 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:36:23,552 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:36:23,567 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:36:23,567 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:36:23" (1/1) ... [2024-11-08 22:36:23,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:36:23,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:23,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:36:23,655 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:36:23,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:36:23,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:23,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:36:23,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:36:23,662 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:36:23,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:36:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:36:23,871 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:36:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:36:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:36:24,042 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:36:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:36:24,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 22:36:24,091 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:36:24,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:36:24 ImpRootNode [2024-11-08 22:36:24,128 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:36:24,129 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:36:24,129 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:36:24,129 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:36:24,130 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:36:23" (3/4) ... [2024-11-08 22:36:24,133 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:36:24,134 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:36:24,135 INFO L158 Benchmark]: Toolchain (without parser) took 2889.89ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 56.3MB in the beginning and 48.4MB in the end (delta: 7.9MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2024-11-08 22:36:24,135 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 60.8MB. Free memory is still 37.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:36:24,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1659.64ms. Allocated memory is still 83.9MB. Free memory was 56.1MB in the beginning and 49.2MB in the end (delta: 6.9MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2024-11-08 22:36:24,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.27ms. Allocated memory is still 83.9MB. Free memory was 49.2MB in the beginning and 45.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:36:24,138 INFO L158 Benchmark]: Boogie Preprocessor took 58.55ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 43.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:36:24,139 INFO L158 Benchmark]: RCFGBuilder took 497.25ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 43.7MB in the beginning and 65.2MB in the end (delta: -21.5MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-11-08 22:36:24,141 INFO L158 Benchmark]: CodeCheck took 575.93ms. Allocated memory is still 100.7MB. Free memory was 64.6MB in the beginning and 49.0MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:36:24,141 INFO L158 Benchmark]: Witness Printer took 5.43ms. Allocated memory is still 100.7MB. Free memory was 49.0MB in the beginning and 48.4MB in the end (delta: 600.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:36:24,145 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 6 NumberOfCodeBlocks, 6 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: 1570]: 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 1561. 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); [L1561] 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) [L1561] 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] [L1562] CALL CWE191_Integer_Underflow__int_fscanf_postdec_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_fscanf_postdec_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] data-- 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 0.51ms. Allocated memory is still 60.8MB. Free memory is still 37.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1659.64ms. Allocated memory is still 83.9MB. Free memory was 56.1MB in the beginning and 49.2MB in the end (delta: 6.9MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.27ms. Allocated memory is still 83.9MB. Free memory was 49.2MB in the beginning and 45.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.55ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 43.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 497.25ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 43.7MB in the beginning and 65.2MB in the end (delta: -21.5MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * CodeCheck took 575.93ms. Allocated memory is still 100.7MB. Free memory was 64.6MB in the beginning and 49.0MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.43ms. Allocated memory is still 100.7MB. Free memory was 49.0MB in the beginning and 48.4MB in the end (delta: 600.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:36:24,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b423922-debf-4e10-9eb2-7f78857feaef/bin/ukojak-verify-ImItNfHLgk/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