./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_02_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_a0a92194-48b2-40b9-86a3-ec864ff57ce1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a92194-48b2-40b9-86a3-ec864ff57ce1/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_a0a92194-48b2-40b9-86a3-ec864ff57ce1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a92194-48b2-40b9-86a3-ec864ff57ce1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a92194-48b2-40b9-86a3-ec864ff57ce1/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_a0a92194-48b2-40b9-86a3-ec864ff57ce1/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 8946f9683e166e1319c427f6cd825c20dc4714ebc63edcbf7c6f538a1d154450 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:46:19,643 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:46:19,759 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a92194-48b2-40b9-86a3-ec864ff57ce1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:46:19,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:46:19,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:46:19,818 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:46:19,821 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:46:19,822 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:46:19,822 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:46:19,823 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:46:19,824 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:46:19,824 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:46:19,825 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:46:19,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:46:19,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:46:19,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:46:19,826 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:46:19,826 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:46:19,826 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:46:19,826 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:46:19,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:46:19,826 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:46:19,827 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:46:19,827 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:46:19,827 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:46:19,828 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:46:19,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:46:19,828 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:46:19,829 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:46:19,829 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:46:19,829 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:46:19,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:46:19,829 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_a0a92194-48b2-40b9-86a3-ec864ff57ce1/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 -> 8946f9683e166e1319c427f6cd825c20dc4714ebc63edcbf7c6f538a1d154450 [2024-11-13 22:46:20,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:46:20,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:46:20,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:46:20,231 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:46:20,231 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:46:20,232 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a92194-48b2-40b9-86a3-ec864ff57ce1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_02_bad.i Unable to find full path for "g++" [2024-11-13 22:46:22,200 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:46:22,723 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:46:22,725 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a92194-48b2-40b9-86a3-ec864ff57ce1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_02_bad.i [2024-11-13 22:46:22,750 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a92194-48b2-40b9-86a3-ec864ff57ce1/bin/ukojak-verify-EEHR8qb7sm/data/a1773deac/14ba899c2dae4a11a9a8bd7faa98cefd/FLAG5521642eb [2024-11-13 22:46:22,764 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a92194-48b2-40b9-86a3-ec864ff57ce1/bin/ukojak-verify-EEHR8qb7sm/data/a1773deac/14ba899c2dae4a11a9a8bd7faa98cefd [2024-11-13 22:46:22,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:46:22,768 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:46:22,770 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:46:22,770 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:46:22,774 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:46:22,775 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:46:22" (1/1) ... [2024-11-13 22:46:22,776 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 10:46:22, skipping insertion in model container [2024-11-13 22:46:22,776 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:46:22" (1/1) ... [2024-11-13 22:46:22,824 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:46:23,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:46:23,707 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:46:23,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:46:23,968 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:46:23,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:23 WrapperNode [2024-11-13 22:46:23,969 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:46:23,969 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:46:23,970 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:46:23,970 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:46:23,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:23" (1/1) ... [2024-11-13 22:46:24,001 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:23" (1/1) ... [2024-11-13 22:46:24,022 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-13 22:46:24,022 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:46:24,023 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:46:24,023 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:46:24,023 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:46:24,031 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:23" (1/1) ... [2024-11-13 22:46:24,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:23" (1/1) ... [2024-11-13 22:46:24,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:23" (1/1) ... [2024-11-13 22:46:24,033 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:23" (1/1) ... [2024-11-13 22:46:24,038 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:23" (1/1) ... [2024-11-13 22:46:24,040 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:23" (1/1) ... [2024-11-13 22:46:24,041 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:23" (1/1) ... [2024-11-13 22:46:24,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:23" (1/1) ... [2024-11-13 22:46:24,044 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:46:24,049 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:46:24,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:46:24,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:46:24,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:23" (1/1) ... [2024-11-13 22:46:24,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:46:24,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a92194-48b2-40b9-86a3-ec864ff57ce1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:46:24,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a92194-48b2-40b9-86a3-ec864ff57ce1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:46:24,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a92194-48b2-40b9-86a3-ec864ff57ce1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:46:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:46:24,116 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:46:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:46:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:46:24,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:46:24,281 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:46:24,282 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:46:24,396 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 22:46:24,396 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:46:24,457 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:46:24,457 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 22:46:24,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:46:24 BoogieIcfgContainer [2024-11-13 22:46:24,457 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:46:24,458 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:46:24,458 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:46:24,473 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:46:24,473 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:46:24" (1/1) ... [2024-11-13 22:46:24,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:46:24,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:46:24,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 22:46:24,526 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 22:46:24,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:46:24,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:46:24,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:46:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:46:24,652 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:46:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:46:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:46:24,757 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:46:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:46:24,805 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:46:24,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:46:24 ImpRootNode [2024-11-13 22:46:24,844 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:46:24,845 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:46:24,845 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:46:24,845 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:46:24,846 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:46:24" (3/4) ... [2024-11-13 22:46:24,852 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:46:24,853 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:46:24,854 INFO L158 Benchmark]: Toolchain (without parser) took 2085.68ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 50.9MB in the end (delta: 38.8MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2024-11-13 22:46:24,854 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:46:24,855 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1199.34ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 81.8MB in the end (delta: 7.5MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-11-13 22:46:24,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.83ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 79.3MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:46:24,855 INFO L158 Benchmark]: Boogie Preprocessor took 21.37ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 78.6MB in the end (delta: 686.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:46:24,856 INFO L158 Benchmark]: RCFGBuilder took 408.53ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 65.2MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:46:24,861 INFO L158 Benchmark]: CodeCheck took 386.52ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 50.9MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:46:24,861 INFO L158 Benchmark]: Witness Printer took 8.03ms. Allocated memory is still 117.4MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:46:24,863 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 7 NumberOfCodeBlocks, 7 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: 1559]: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_postdec_02_bad() [L1550] int data; [L1551] data = 0 [L1559] 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 0.39ms. Allocated memory is still 83.9MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1199.34ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 81.8MB in the end (delta: 7.5MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.83ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 79.3MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.37ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 78.6MB in the end (delta: 686.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 408.53ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 65.2MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 386.52ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 50.9MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 8.03ms. Allocated memory is still 117.4MB. Free memory is still 50.9MB. 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 22:46:24,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a92194-48b2-40b9-86a3-ec864ff57ce1/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_a0a92194-48b2-40b9-86a3-ec864ff57ce1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a92194-48b2-40b9-86a3-ec864ff57ce1/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_a0a92194-48b2-40b9-86a3-ec864ff57ce1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a92194-48b2-40b9-86a3-ec864ff57ce1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a92194-48b2-40b9-86a3-ec864ff57ce1/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_a0a92194-48b2-40b9-86a3-ec864ff57ce1/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 8946f9683e166e1319c427f6cd825c20dc4714ebc63edcbf7c6f538a1d154450 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:46:27,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:46:27,734 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a92194-48b2-40b9-86a3-ec864ff57ce1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:46:27,776 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:46:27,777 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:46:27,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:46:27,779 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:46:27,779 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:46:27,780 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:46:27,780 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:46:27,781 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:46:27,781 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:46:27,782 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:46:27,782 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:46:27,782 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:46:27,782 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:46:27,782 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:46:27,782 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:46:27,782 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:46:27,783 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:46:27,783 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:46:27,783 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:46:27,783 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:46:27,783 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:46:27,783 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:46:27,783 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:46:27,783 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:46:27,784 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:46:27,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:46:27,784 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:46:27,784 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:46:27,784 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:46:27,784 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:46:27,784 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:46:27,785 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:46:27,785 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_a0a92194-48b2-40b9-86a3-ec864ff57ce1/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 -> 8946f9683e166e1319c427f6cd825c20dc4714ebc63edcbf7c6f538a1d154450 [2024-11-13 22:46:28,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:46:28,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:46:28,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:46:28,167 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:46:28,170 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:46:28,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a92194-48b2-40b9-86a3-ec864ff57ce1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_02_bad.i Unable to find full path for "g++" [2024-11-13 22:46:30,323 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:46:30,802 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:46:30,803 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a92194-48b2-40b9-86a3-ec864ff57ce1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_02_bad.i [2024-11-13 22:46:30,829 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a92194-48b2-40b9-86a3-ec864ff57ce1/bin/ukojak-verify-EEHR8qb7sm/data/17d138cac/f39761bc55b64b6c986beb6789a6bb4a/FLAG540b56d0b [2024-11-13 22:46:30,845 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a92194-48b2-40b9-86a3-ec864ff57ce1/bin/ukojak-verify-EEHR8qb7sm/data/17d138cac/f39761bc55b64b6c986beb6789a6bb4a [2024-11-13 22:46:30,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:46:30,849 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:46:30,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:46:30,851 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:46:30,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:46:30,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:46:30" (1/1) ... [2024-11-13 22:46:30,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@933078d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:30, skipping insertion in model container [2024-11-13 22:46:30,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:46:30" (1/1) ... [2024-11-13 22:46:30,914 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:46:31,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:46:31,925 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:46:32,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:46:32,246 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:46:32,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:32 WrapperNode [2024-11-13 22:46:32,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:46:32,248 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:46:32,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:46:32,248 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:46:32,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:32" (1/1) ... [2024-11-13 22:46:32,282 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:32" (1/1) ... [2024-11-13 22:46:32,314 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2024-11-13 22:46:32,314 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:46:32,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:46:32,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:46:32,316 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:46:32,323 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:32" (1/1) ... [2024-11-13 22:46:32,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:32" (1/1) ... [2024-11-13 22:46:32,330 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:32" (1/1) ... [2024-11-13 22:46:32,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:32" (1/1) ... [2024-11-13 22:46:32,348 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:32" (1/1) ... [2024-11-13 22:46:32,354 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:32" (1/1) ... [2024-11-13 22:46:32,356 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:32" (1/1) ... [2024-11-13 22:46:32,357 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:32" (1/1) ... [2024-11-13 22:46:32,364 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:46:32,364 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:46:32,368 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:46:32,368 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:46:32,369 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:46:32" (1/1) ... [2024-11-13 22:46:32,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:46:32,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a92194-48b2-40b9-86a3-ec864ff57ce1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:46:32,409 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a92194-48b2-40b9-86a3-ec864ff57ce1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:46:32,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a92194-48b2-40b9-86a3-ec864ff57ce1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:46:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:46:32,433 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:46:32,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:46:32,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:46:32,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:46:32,594 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:46:32,597 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:46:32,720 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 22:46:32,720 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:46:32,800 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:46:32,800 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 22:46:32,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:46:32 BoogieIcfgContainer [2024-11-13 22:46:32,801 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:46:32,803 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:46:32,803 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:46:32,812 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:46:32,813 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:46:32" (1/1) ... [2024-11-13 22:46:32,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:46:32,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:46:32,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 22:46:32,897 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 22:46:32,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:46:32,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:46:32,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:46:32,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a92194-48b2-40b9-86a3-ec864ff57ce1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:46:32,907 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a92194-48b2-40b9-86a3-ec864ff57ce1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:46:32,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a92194-48b2-40b9-86a3-ec864ff57ce1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:46:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:46:33,057 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:46:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:46:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:46:33,185 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:46:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:46:33,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a92194-48b2-40b9-86a3-ec864ff57ce1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:46:33,228 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:46:33,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:46:33 ImpRootNode [2024-11-13 22:46:33,263 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:46:33,264 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:46:33,264 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:46:33,265 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:46:33,266 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:46:32" (3/4) ... [2024-11-13 22:46:33,269 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:46:33,270 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:46:33,271 INFO L158 Benchmark]: Toolchain (without parser) took 2421.76ms. Allocated memory is still 83.9MB. Free memory was 57.8MB in the beginning and 44.5MB in the end (delta: 13.3MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2024-11-13 22:46:33,274 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:46:33,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1396.64ms. Allocated memory is still 83.9MB. Free memory was 57.8MB in the beginning and 53.0MB in the end (delta: 4.8MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-13 22:46:33,274 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.07ms. Allocated memory is still 83.9MB. Free memory was 53.0MB in the beginning and 50.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:46:33,275 INFO L158 Benchmark]: Boogie Preprocessor took 48.15ms. Allocated memory is still 83.9MB. Free memory was 50.1MB in the beginning and 48.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:46:33,275 INFO L158 Benchmark]: RCFGBuilder took 437.87ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 33.7MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:46:33,275 INFO L158 Benchmark]: CodeCheck took 460.15ms. Allocated memory is still 83.9MB. Free memory was 33.7MB in the beginning and 44.5MB in the end (delta: -10.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:46:33,276 INFO L158 Benchmark]: Witness Printer took 6.09ms. Allocated memory is still 83.9MB. Free memory was 44.5MB in the beginning and 44.5MB in the end (delta: 9.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:46:33,282 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1559]: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_postdec_02_bad() [L1550] int data; [L1551] data = 0 [L1559] 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 0.44ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1396.64ms. Allocated memory is still 83.9MB. Free memory was 57.8MB in the beginning and 53.0MB in the end (delta: 4.8MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.07ms. Allocated memory is still 83.9MB. Free memory was 53.0MB in the beginning and 50.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.15ms. Allocated memory is still 83.9MB. Free memory was 50.1MB in the beginning and 48.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 437.87ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 33.7MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 460.15ms. Allocated memory is still 83.9MB. Free memory was 33.7MB in the beginning and 44.5MB in the end (delta: -10.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.09ms. Allocated memory is still 83.9MB. Free memory was 44.5MB in the beginning and 44.5MB in the end (delta: 9.9kB). 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 22:46:33,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a92194-48b2-40b9-86a3-ec864ff57ce1/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