./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_51_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/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_8c0fdb95-205f-4db8-ae06-125d34950196/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/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_8c0fdb95-205f-4db8-ae06-125d34950196/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 4853174a975247dfe07f8795c66ca3573057aeb1b3bfb651d31320543f10cca1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:00:09,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:00:09,165 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:00:09,171 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:00:09,172 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:00:09,195 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:00:09,196 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:00:09,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:00:09,197 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:00:09,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:00:09,198 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:00:09,199 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:00:09,199 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:00:09,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:00:09,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:00:09,200 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:00:09,201 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:00:09,201 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:00:09,201 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:00:09,202 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:00:09,204 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:00:09,205 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:00:09,205 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:00:09,217 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:00:09,217 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:00:09,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:00:09,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:00:09,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:00:09,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:00:09,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:00:09,219 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:00:09,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:00:09,220 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_8c0fdb95-205f-4db8-ae06-125d34950196/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4853174a975247dfe07f8795c66ca3573057aeb1b3bfb651d31320543f10cca1 [2024-11-09 00:00:09,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:00:09,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:00:09,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:00:09,556 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:00:09,557 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:00:09,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_51_bad.i Unable to find full path for "g++" [2024-11-09 00:00:11,516 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:00:11,902 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:00:11,904 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_51_bad.i [2024-11-09 00:00:11,934 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/bin/ukojak-verify-ImItNfHLgk/data/7d560322c/31e62bce16f141018a617fe91b66a27e/FLAG450741b2c [2024-11-09 00:00:12,103 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/bin/ukojak-verify-ImItNfHLgk/data/7d560322c/31e62bce16f141018a617fe91b66a27e [2024-11-09 00:00:12,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:00:12,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:00:12,112 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:00:12,112 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:00:12,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:00:12,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:12" (1/1) ... [2024-11-09 00:00:12,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74d0ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:12, skipping insertion in model container [2024-11-09 00:00:12,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:12" (1/1) ... [2024-11-09 00:00:12,205 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:00:13,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:00:13,337 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:00:13,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:00:13,570 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:00:13,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:13 WrapperNode [2024-11-09 00:00:13,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:00:13,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:13,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:00:13,572 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:00:13,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:13" (1/1) ... [2024-11-09 00:00:13,612 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:13" (1/1) ... [2024-11-09 00:00:13,654 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-09 00:00:13,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:13,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:00:13,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:00:13,656 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:00:13,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:13" (1/1) ... [2024-11-09 00:00:13,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:13" (1/1) ... [2024-11-09 00:00:13,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:13" (1/1) ... [2024-11-09 00:00:13,669 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:13" (1/1) ... [2024-11-09 00:00:13,673 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:13" (1/1) ... [2024-11-09 00:00:13,675 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:13" (1/1) ... [2024-11-09 00:00:13,677 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:13" (1/1) ... [2024-11-09 00:00:13,678 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:13" (1/1) ... [2024-11-09 00:00:13,680 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:00:13,681 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:00:13,681 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:00:13,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:00:13,683 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:13" (1/1) ... [2024-11-09 00:00:13,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:00:13,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:00:13,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:00:13,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:00:13,761 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:00:13,761 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:00:13,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:00:13,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:00:13,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:00:13,958 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:00:13,961 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:00:14,125 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-09 00:00:14,125 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:00:14,192 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:00:14,194 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:00:14,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:14 BoogieIcfgContainer [2024-11-09 00:00:14,195 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:00:14,196 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:00:14,196 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:00:14,207 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:00:14,207 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:14" (1/1) ... [2024-11-09 00:00:14,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:00:14,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:14,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:00:14,292 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:00:14,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:00:14,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:14,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:14,440 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:00:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:14,537 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:00:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:14,565 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:00:14,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:00:14 ImpRootNode [2024-11-09 00:00:14,608 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:00:14,608 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:00:14,609 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:00:14,609 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:00:14,610 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:14" (3/4) ... [2024-11-09 00:00:14,613 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:00:14,614 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:00:14,615 INFO L158 Benchmark]: Toolchain (without parser) took 2504.13ms. Allocated memory is still 123.7MB. Free memory was 82.4MB in the beginning and 66.7MB in the end (delta: 15.7MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2024-11-09 00:00:14,615 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory is still 95.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:00:14,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1459.37ms. Allocated memory is still 123.7MB. Free memory was 82.0MB in the beginning and 58.6MB in the end (delta: 23.4MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2024-11-09 00:00:14,618 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.96ms. Allocated memory is still 123.7MB. Free memory was 58.1MB in the beginning and 55.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:00:14,619 INFO L158 Benchmark]: Boogie Preprocessor took 25.22ms. Allocated memory is still 123.7MB. Free memory was 55.4MB in the beginning and 53.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:00:14,621 INFO L158 Benchmark]: RCFGBuilder took 514.13ms. Allocated memory is still 123.7MB. Free memory was 53.8MB in the beginning and 82.0MB in the end (delta: -28.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:00:14,622 INFO L158 Benchmark]: CodeCheck took 411.79ms. Allocated memory is still 123.7MB. Free memory was 82.0MB in the beginning and 67.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:00:14,623 INFO L158 Benchmark]: Witness Printer took 5.53ms. Allocated memory is still 123.7MB. Free memory was 67.3MB in the beginning and 66.7MB in the end (delta: 644.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:00:14,629 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: 0.3s, 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, 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: 1567]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_postdec_51_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_postdec_51b_badSink(data) [L1567] 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 0.33ms. Allocated memory is still 123.7MB. Free memory is still 95.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1459.37ms. Allocated memory is still 123.7MB. Free memory was 82.0MB in the beginning and 58.6MB in the end (delta: 23.4MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.96ms. Allocated memory is still 123.7MB. Free memory was 58.1MB in the beginning and 55.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.22ms. Allocated memory is still 123.7MB. Free memory was 55.4MB in the beginning and 53.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 514.13ms. Allocated memory is still 123.7MB. Free memory was 53.8MB in the beginning and 82.0MB in the end (delta: -28.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 411.79ms. Allocated memory is still 123.7MB. Free memory was 82.0MB in the beginning and 67.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.53ms. Allocated memory is still 123.7MB. Free memory was 67.3MB in the beginning and 66.7MB in the end (delta: 644.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:00:14,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/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_8c0fdb95-205f-4db8-ae06-125d34950196/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/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_8c0fdb95-205f-4db8-ae06-125d34950196/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 4853174a975247dfe07f8795c66ca3573057aeb1b3bfb651d31320543f10cca1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:00:17,142 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:00:17,246 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:00:17,293 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:00:17,294 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:00:17,295 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:00:17,296 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:00:17,297 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:00:17,298 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:00:17,299 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:00:17,300 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:00:17,300 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:00:17,301 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:00:17,301 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:00:17,303 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:00:17,304 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:00:17,304 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:00:17,305 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:00:17,305 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:00:17,305 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:00:17,306 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:00:17,310 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:00:17,311 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:00:17,311 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:00:17,311 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:00:17,311 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:17,312 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:00:17,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:00:17,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:00:17,312 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:00:17,313 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:00:17,313 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:00:17,314 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:00:17,314 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:17,315 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:00:17,316 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_8c0fdb95-205f-4db8-ae06-125d34950196/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4853174a975247dfe07f8795c66ca3573057aeb1b3bfb651d31320543f10cca1 [2024-11-09 00:00:17,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:00:17,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:00:17,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:00:17,775 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:00:17,775 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:00:17,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_51_bad.i Unable to find full path for "g++" [2024-11-09 00:00:19,821 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:00:20,214 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:00:20,216 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_51_bad.i [2024-11-09 00:00:20,246 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/bin/ukojak-verify-ImItNfHLgk/data/5148a2eae/2507ed3e26e341278b3160fceecc83f8/FLAG92042141f [2024-11-09 00:00:20,265 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/bin/ukojak-verify-ImItNfHLgk/data/5148a2eae/2507ed3e26e341278b3160fceecc83f8 [2024-11-09 00:00:20,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:00:20,270 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:00:20,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:00:20,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:00:20,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:00:20,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:20" (1/1) ... [2024-11-09 00:00:20,282 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66d94250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:20, skipping insertion in model container [2024-11-09 00:00:20,283 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:20" (1/1) ... [2024-11-09 00:00:20,357 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:00:21,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:00:21,459 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:00:21,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:00:21,691 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:00:21,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:21 WrapperNode [2024-11-09 00:00:21,691 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:00:21,693 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:21,693 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:00:21,693 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:00:21,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:21" (1/1) ... [2024-11-09 00:00:21,729 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:21" (1/1) ... [2024-11-09 00:00:21,753 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2024-11-09 00:00:21,753 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:21,754 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:00:21,754 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:00:21,754 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:00:21,765 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:21" (1/1) ... [2024-11-09 00:00:21,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:21" (1/1) ... [2024-11-09 00:00:21,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:21" (1/1) ... [2024-11-09 00:00:21,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:21" (1/1) ... [2024-11-09 00:00:21,777 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:21" (1/1) ... [2024-11-09 00:00:21,779 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:21" (1/1) ... [2024-11-09 00:00:21,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:21" (1/1) ... [2024-11-09 00:00:21,783 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:21" (1/1) ... [2024-11-09 00:00:21,787 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:00:21,788 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:00:21,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:00:21,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:00:21,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:21" (1/1) ... [2024-11-09 00:00:21,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:00:21,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:00:21,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:00:21,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:00:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:00:21,859 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:00:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:00:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:00:21,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:00:22,060 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:00:22,062 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:00:22,186 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-09 00:00:22,186 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:00:22,270 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:00:22,270 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:00:22,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:22 BoogieIcfgContainer [2024-11-09 00:00:22,272 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:00:22,273 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:00:22,273 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:00:22,285 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:00:22,285 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:22" (1/1) ... [2024-11-09 00:00:22,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:00:22,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:22,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:00:22,367 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:00:22,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:00:22,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:22,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:22,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:00:22,377 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:00:22,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:00:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:22,580 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:00:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:22,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:00:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:22,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:00:22,749 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:00:22,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:00:22 ImpRootNode [2024-11-09 00:00:22,786 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:00:22,787 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:00:22,787 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:00:22,787 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:00:22,790 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:22" (3/4) ... [2024-11-09 00:00:22,793 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:00:22,794 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:00:22,796 INFO L158 Benchmark]: Toolchain (without parser) took 2525.08ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 56.6MB in the beginning and 60.4MB in the end (delta: -3.8MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2024-11-09 00:00:22,796 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 59.7MB in the end (delta: 141.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:00:22,797 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1419.33ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 56.4MB in the beginning and 64.0MB in the end (delta: -7.7MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2024-11-09 00:00:22,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.70ms. Allocated memory is still 115.3MB. Free memory was 63.5MB in the beginning and 60.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:00:22,798 INFO L158 Benchmark]: Boogie Preprocessor took 32.86ms. Allocated memory is still 115.3MB. Free memory was 60.9MB in the beginning and 58.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:00:22,799 INFO L158 Benchmark]: RCFGBuilder took 485.00ms. Allocated memory is still 115.3MB. Free memory was 58.8MB in the beginning and 74.3MB in the end (delta: -15.5MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-11-09 00:00:22,799 INFO L158 Benchmark]: CodeCheck took 513.05ms. Allocated memory is still 115.3MB. Free memory was 74.3MB in the beginning and 61.1MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:00:22,800 INFO L158 Benchmark]: Witness Printer took 7.85ms. Allocated memory is still 115.3MB. Free memory was 61.1MB in the beginning and 60.4MB in the end (delta: 640.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:00:22,807 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: 1567]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_postdec_51_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_postdec_51b_badSink(data) [L1567] 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 0.37ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 59.7MB in the end (delta: 141.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1419.33ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 56.4MB in the beginning and 64.0MB in the end (delta: -7.7MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.70ms. Allocated memory is still 115.3MB. Free memory was 63.5MB in the beginning and 60.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.86ms. Allocated memory is still 115.3MB. Free memory was 60.9MB in the beginning and 58.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 485.00ms. Allocated memory is still 115.3MB. Free memory was 58.8MB in the beginning and 74.3MB in the end (delta: -15.5MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * CodeCheck took 513.05ms. Allocated memory is still 115.3MB. Free memory was 74.3MB in the beginning and 61.1MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 7.85ms. Allocated memory is still 115.3MB. Free memory was 61.1MB in the beginning and 60.4MB in the end (delta: 640.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:00:22,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0fdb95-205f-4db8-ae06-125d34950196/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