./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_42_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/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_d07a578f-33dc-4e0b-9271-951c6cc63106/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/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_d07a578f-33dc-4e0b-9271-951c6cc63106/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 97ce32547bdb9b934957007d1f73bd58f9c8f85ea9b3d991d56071ba18821e45 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:44:21,801 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:44:21,901 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:44:21,909 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:44:21,909 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:44:21,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:44:21,952 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:44:21,953 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:44:21,956 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:44:21,956 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:44:21,957 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:44:21,957 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:44:21,957 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:44:21,958 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:44:21,958 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:44:21,958 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:44:21,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:44:21,964 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:44:21,965 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:44:21,965 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:44:21,965 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:44:21,966 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:44:21,966 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:44:21,966 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:44:21,966 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:44:21,967 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:44:21,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:21,967 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:44:21,968 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:44:21,968 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:44:21,968 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:44:21,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:44:21,972 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_d07a578f-33dc-4e0b-9271-951c6cc63106/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97ce32547bdb9b934957007d1f73bd58f9c8f85ea9b3d991d56071ba18821e45 [2024-11-08 23:44:22,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:44:22,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:44:22,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:44:22,304 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:44:22,305 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:44:22,306 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_42_bad.i Unable to find full path for "g++" [2024-11-08 23:44:24,334 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:44:24,642 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:44:24,643 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_42_bad.i [2024-11-08 23:44:24,675 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/bin/ukojak-verify-ImItNfHLgk/data/c3c21fe2c/5c0f77d5f1e143839943563160881de3/FLAG4bbaa8776 [2024-11-08 23:44:24,692 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/bin/ukojak-verify-ImItNfHLgk/data/c3c21fe2c/5c0f77d5f1e143839943563160881de3 [2024-11-08 23:44:24,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:44:24,696 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:44:24,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:24,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:44:24,703 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:44:24,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:44:24" (1/1) ... [2024-11-08 23:44:24,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6336d538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:24, skipping insertion in model container [2024-11-08 23:44:24,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:44:24" (1/1) ... [2024-11-08 23:44:24,790 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:44:25,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:25,759 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:44:25,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:26,029 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:44:26,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:26 WrapperNode [2024-11-08 23:44:26,030 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:26,031 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:26,031 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:44:26,032 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:44:26,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:26" (1/1) ... [2024-11-08 23:44:26,071 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:26" (1/1) ... [2024-11-08 23:44:26,110 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2024-11-08 23:44:26,110 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:26,111 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:44:26,111 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:44:26,111 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:44:26,120 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:26" (1/1) ... [2024-11-08 23:44:26,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:26" (1/1) ... [2024-11-08 23:44:26,124 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:26" (1/1) ... [2024-11-08 23:44:26,128 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:26" (1/1) ... [2024-11-08 23:44:26,131 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:26" (1/1) ... [2024-11-08 23:44:26,137 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:26" (1/1) ... [2024-11-08 23:44:26,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:26" (1/1) ... [2024-11-08 23:44:26,144 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:26" (1/1) ... [2024-11-08 23:44:26,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:44:26,147 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:44:26,148 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:44:26,149 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:44:26,150 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:26" (1/1) ... [2024-11-08 23:44:26,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:26,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:44:26,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:44:26,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:44:26,224 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:44:26,225 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:44:26,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:44:26,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:44:26,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:44:26,369 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:44:26,370 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:44:26,472 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-08 23:44:26,472 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:44:26,514 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:44:26,514 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:44:26,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:26 BoogieIcfgContainer [2024-11-08 23:44:26,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:44:26,516 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:44:26,516 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:44:26,526 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:44:26,527 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:26" (1/1) ... [2024-11-08 23:44:26,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:44:26,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:26,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 23:44:26,588 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 23:44:26,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:44:26,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:26,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:26,725 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:44:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:26,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:44:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:26,840 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:44:26,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:44:26 ImpRootNode [2024-11-08 23:44:26,878 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:44:26,878 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:44:26,878 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:44:26,881 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:44:26,881 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:26" (3/4) ... [2024-11-08 23:44:26,884 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:44:26,885 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:44:26,887 INFO L158 Benchmark]: Toolchain (without parser) took 2191.11ms. Allocated memory is still 176.2MB. Free memory was 136.5MB in the beginning and 85.3MB in the end (delta: 51.3MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2024-11-08 23:44:26,888 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory is still 61.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:44:26,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1333.26ms. Allocated memory is still 176.2MB. Free memory was 136.5MB in the beginning and 119.5MB in the end (delta: 17.1MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2024-11-08 23:44:26,890 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.34ms. Allocated memory is still 176.2MB. Free memory was 119.5MB in the beginning and 116.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:44:26,891 INFO L158 Benchmark]: Boogie Preprocessor took 34.85ms. Allocated memory is still 176.2MB. Free memory was 116.7MB in the beginning and 115.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:44:26,891 INFO L158 Benchmark]: RCFGBuilder took 368.55ms. Allocated memory is still 176.2MB. Free memory was 115.3MB in the beginning and 101.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:44:26,892 INFO L158 Benchmark]: CodeCheck took 361.99ms. Allocated memory is still 176.2MB. Free memory was 101.3MB in the beginning and 85.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:44:26,892 INFO L158 Benchmark]: Witness Printer took 7.89ms. Allocated memory is still 176.2MB. Free memory was 85.9MB in the beginning and 85.3MB in the end (delta: 630.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:44:26,898 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: 1560]: 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_multiply_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory is still 61.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1333.26ms. Allocated memory is still 176.2MB. Free memory was 136.5MB in the beginning and 119.5MB in the end (delta: 17.1MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.34ms. Allocated memory is still 176.2MB. Free memory was 119.5MB in the beginning and 116.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.85ms. Allocated memory is still 176.2MB. Free memory was 116.7MB in the beginning and 115.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 368.55ms. Allocated memory is still 176.2MB. Free memory was 115.3MB in the beginning and 101.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 361.99ms. Allocated memory is still 176.2MB. Free memory was 101.3MB in the beginning and 85.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.89ms. Allocated memory is still 176.2MB. Free memory was 85.9MB in the beginning and 85.3MB in the end (delta: 630.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:44:26,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/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_d07a578f-33dc-4e0b-9271-951c6cc63106/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/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_d07a578f-33dc-4e0b-9271-951c6cc63106/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 97ce32547bdb9b934957007d1f73bd58f9c8f85ea9b3d991d56071ba18821e45 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:44:29,402 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:44:29,506 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:44:29,552 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:44:29,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:44:29,554 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:44:29,554 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:44:29,555 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:44:29,556 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:44:29,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:44:29,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:44:29,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:44:29,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:44:29,560 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:44:29,560 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:44:29,561 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:44:29,563 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:44:29,564 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:44:29,564 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:44:29,564 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:44:29,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:44:29,565 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:44:29,565 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:44:29,565 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:44:29,566 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:44:29,566 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:29,566 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:44:29,567 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:44:29,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:29,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:44:29,567 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:44:29,568 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:44:29,568 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:44:29,568 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:29,568 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:44:29,569 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_d07a578f-33dc-4e0b-9271-951c6cc63106/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97ce32547bdb9b934957007d1f73bd58f9c8f85ea9b3d991d56071ba18821e45 [2024-11-08 23:44:29,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:44:30,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:44:30,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:44:30,019 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:44:30,019 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:44:30,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_42_bad.i Unable to find full path for "g++" [2024-11-08 23:44:32,078 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:44:32,542 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:44:32,544 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_42_bad.i [2024-11-08 23:44:32,578 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/bin/ukojak-verify-ImItNfHLgk/data/c23f1b957/5c8eba4d91c2414c85e731023b9aa196/FLAGb73b73649 [2024-11-08 23:44:32,650 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/bin/ukojak-verify-ImItNfHLgk/data/c23f1b957/5c8eba4d91c2414c85e731023b9aa196 [2024-11-08 23:44:32,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:44:32,657 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:44:32,659 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:32,659 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:44:32,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:44:32,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:44:32" (1/1) ... [2024-11-08 23:44:32,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4442d10f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:32, skipping insertion in model container [2024-11-08 23:44:32,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:44:32" (1/1) ... [2024-11-08 23:44:32,756 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:44:33,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:33,893 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:44:34,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:34,163 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:44:34,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:34 WrapperNode [2024-11-08 23:44:34,164 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:34,165 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:34,165 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:44:34,165 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:44:34,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:34" (1/1) ... [2024-11-08 23:44:34,199 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:34" (1/1) ... [2024-11-08 23:44:34,221 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2024-11-08 23:44:34,222 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:34,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:44:34,223 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:44:34,223 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:44:34,231 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:34" (1/1) ... [2024-11-08 23:44:34,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:34" (1/1) ... [2024-11-08 23:44:34,234 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:34" (1/1) ... [2024-11-08 23:44:34,235 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:34" (1/1) ... [2024-11-08 23:44:34,242 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:34" (1/1) ... [2024-11-08 23:44:34,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:34" (1/1) ... [2024-11-08 23:44:34,246 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:34" (1/1) ... [2024-11-08 23:44:34,247 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:34" (1/1) ... [2024-11-08 23:44:34,250 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:44:34,251 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:44:34,251 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:44:34,252 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:44:34,252 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:34" (1/1) ... [2024-11-08 23:44:34,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:34,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:44:34,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:44:34,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:44:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:44:34,320 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:44:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:44:34,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:44:34,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:44:34,499 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:44:34,501 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:44:34,689 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-08 23:44:34,689 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:44:34,755 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:44:34,756 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:44:34,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:34 BoogieIcfgContainer [2024-11-08 23:44:34,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:44:34,758 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:44:34,758 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:44:34,768 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:44:34,768 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:34" (1/1) ... [2024-11-08 23:44:34,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:44:34,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:34,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 23:44:34,846 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 23:44:34,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:44:34,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:34,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:34,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:34,856 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:34,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:44:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:35,010 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:44:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:35,099 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:44:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:35,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:44:35,149 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:44:35,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:44:35 ImpRootNode [2024-11-08 23:44:35,187 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:44:35,187 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:44:35,187 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:44:35,189 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:44:35,189 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:34" (3/4) ... [2024-11-08 23:44:35,192 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:44:35,193 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:44:35,194 INFO L158 Benchmark]: Toolchain (without parser) took 2536.92ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 43.8MB in the beginning and 43.4MB in the end (delta: 453.6kB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2024-11-08 23:44:35,194 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 71.3MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:44:35,195 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1505.65ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 43.6MB in the beginning and 53.8MB in the end (delta: -10.1MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-11-08 23:44:35,196 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.89ms. Allocated memory is still 90.2MB. Free memory was 53.8MB in the beginning and 50.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:44:35,197 INFO L158 Benchmark]: Boogie Preprocessor took 28.23ms. Allocated memory is still 90.2MB. Free memory was 50.8MB in the beginning and 48.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:44:35,198 INFO L158 Benchmark]: RCFGBuilder took 505.79ms. Allocated memory is still 90.2MB. Free memory was 48.8MB in the beginning and 57.4MB in the end (delta: -8.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:44:35,199 INFO L158 Benchmark]: CodeCheck took 429.21ms. Allocated memory is still 90.2MB. Free memory was 56.9MB in the beginning and 43.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:44:35,199 INFO L158 Benchmark]: Witness Printer took 5.99ms. Allocated memory is still 90.2MB. Free memory is still 43.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:44:35,205 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: 1560]: 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_multiply_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 71.3MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1505.65ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 43.6MB in the beginning and 53.8MB in the end (delta: -10.1MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.89ms. Allocated memory is still 90.2MB. Free memory was 53.8MB in the beginning and 50.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.23ms. Allocated memory is still 90.2MB. Free memory was 50.8MB in the beginning and 48.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 505.79ms. Allocated memory is still 90.2MB. Free memory was 48.8MB in the beginning and 57.4MB in the end (delta: -8.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 429.21ms. Allocated memory is still 90.2MB. Free memory was 56.9MB in the beginning and 43.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 5.99ms. Allocated memory is still 90.2MB. Free memory is still 43.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:44:35,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07a578f-33dc-4e0b-9271-951c6cc63106/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