./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_08_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_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/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_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/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_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/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 272a8c027e707f809e4c515f57b9728267430a4f523307b5a4b07078f140f1e5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:01:35,878 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:01:36,000 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:01:36,007 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:01:36,010 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:01:36,044 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:01:36,047 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:01:36,047 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:01:36,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:01:36,050 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:01:36,051 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:01:36,051 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:01:36,051 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:01:36,052 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:01:36,052 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:01:36,052 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:01:36,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:01:36,053 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:01:36,053 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:01:36,054 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:01:36,054 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:01:36,056 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:01:36,056 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:01:36,057 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:01:36,057 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:01:36,058 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:01:36,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:01:36,059 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:01:36,059 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:01:36,060 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:01:36,060 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:01:36,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:01:36,061 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_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 272a8c027e707f809e4c515f57b9728267430a4f523307b5a4b07078f140f1e5 [2024-11-09 00:01:36,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:01:36,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:01:36,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:01:36,417 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:01:36,418 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:01:36,419 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_08_bad.i Unable to find full path for "g++" [2024-11-09 00:01:38,623 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:01:39,036 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:01:39,037 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_08_bad.i [2024-11-09 00:01:39,064 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/bin/ukojak-verify-ImItNfHLgk/data/340a55887/3888bdfb9356439d8f18e1d202bf1bb4/FLAG204e48541 [2024-11-09 00:01:39,198 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/bin/ukojak-verify-ImItNfHLgk/data/340a55887/3888bdfb9356439d8f18e1d202bf1bb4 [2024-11-09 00:01:39,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:01:39,202 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:01:39,203 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:01:39,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:01:39,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:01:39,209 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:01:39" (1/1) ... [2024-11-09 00:01:39,210 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c4b901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:39, skipping insertion in model container [2024-11-09 00:01:39,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:01:39" (1/1) ... [2024-11-09 00:01:39,296 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:01:40,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:01:40,529 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:01:40,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:01:40,839 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:01:40,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:40 WrapperNode [2024-11-09 00:01:40,840 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:01:40,841 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:01:40,841 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:01:40,842 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:01:40,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:40" (1/1) ... [2024-11-09 00:01:40,884 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:40" (1/1) ... [2024-11-09 00:01:40,917 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-11-09 00:01:40,918 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:01:40,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:01:40,919 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:01:40,919 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:01:40,933 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:40" (1/1) ... [2024-11-09 00:01:40,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:40" (1/1) ... [2024-11-09 00:01:40,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:40" (1/1) ... [2024-11-09 00:01:40,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:40" (1/1) ... [2024-11-09 00:01:40,942 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:40" (1/1) ... [2024-11-09 00:01:40,945 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:40" (1/1) ... [2024-11-09 00:01:40,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:40" (1/1) ... [2024-11-09 00:01:40,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:40" (1/1) ... [2024-11-09 00:01:40,951 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:01:40,952 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:01:40,952 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:01:40,953 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:01:40,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:40" (1/1) ... [2024-11-09 00:01:40,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:01:40,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:01:41,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:01:41,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:01:41,038 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:01:41,038 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:01:41,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:01:41,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:01:41,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:01:41,039 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-09 00:01:41,040 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-09 00:01:41,204 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:01:41,206 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:01:41,388 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-09 00:01:41,389 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:01:41,454 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:01:41,455 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:01:41,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:01:41 BoogieIcfgContainer [2024-11-09 00:01:41,455 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:01:41,456 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:01:41,457 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:01:41,471 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:01:41,472 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:01:41" (1/1) ... [2024-11-09 00:01:41,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:01:41,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:41,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-11-09 00:01:41,564 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-09 00:01:41,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:01:41,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:41,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:01:41,782 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:01:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:01:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:01:41,995 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:01:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:01:42,066 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:01:42,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:01:42 ImpRootNode [2024-11-09 00:01:42,112 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:01:42,115 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:01:42,115 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:01:42,116 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:01:42,118 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:01:41" (3/4) ... [2024-11-09 00:01:42,123 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:01:42,125 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:01:42,126 INFO L158 Benchmark]: Toolchain (without parser) took 2923.97ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 139.1MB in the beginning and 152.5MB in the end (delta: -13.5MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2024-11-09 00:01:42,127 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:01:42,129 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1637.06ms. Allocated memory is still 172.0MB. Free memory was 139.1MB in the beginning and 85.1MB in the end (delta: 54.0MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-11-09 00:01:42,130 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.16ms. Allocated memory is still 172.0MB. Free memory was 85.1MB in the beginning and 82.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:01:42,131 INFO L158 Benchmark]: Boogie Preprocessor took 32.31ms. Allocated memory is still 172.0MB. Free memory was 82.3MB in the beginning and 81.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:01:42,133 INFO L158 Benchmark]: RCFGBuilder took 503.51ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 81.0MB in the beginning and 169.3MB in the end (delta: -88.3MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2024-11-09 00:01:42,134 INFO L158 Benchmark]: CodeCheck took 656.26ms. Allocated memory is still 207.6MB. Free memory was 169.3MB in the beginning and 153.4MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:01:42,135 INFO L158 Benchmark]: Witness Printer took 9.91ms. Allocated memory is still 207.6MB. Free memory was 153.4MB in the beginning and 152.5MB in the end (delta: 918.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:01:42,142 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 3 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 15 NumberOfCodeBlocks, 15 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 1576. 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE191_Integer_Underflow__int_fscanf_predec_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() 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] [L1564] COND TRUE staticReturnsTrue() [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 0.26ms. Allocated memory is still 125.8MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1637.06ms. Allocated memory is still 172.0MB. Free memory was 139.1MB in the beginning and 85.1MB in the end (delta: 54.0MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.16ms. Allocated memory is still 172.0MB. Free memory was 85.1MB in the beginning and 82.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.31ms. Allocated memory is still 172.0MB. Free memory was 82.3MB in the beginning and 81.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 503.51ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 81.0MB in the beginning and 169.3MB in the end (delta: -88.3MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * CodeCheck took 656.26ms. Allocated memory is still 207.6MB. Free memory was 169.3MB in the beginning and 153.4MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 9.91ms. Allocated memory is still 207.6MB. Free memory was 153.4MB in the beginning and 152.5MB in the end (delta: 918.1kB). 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 00:01:42,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/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_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/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_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/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_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/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 272a8c027e707f809e4c515f57b9728267430a4f523307b5a4b07078f140f1e5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:01:45,320 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:01:45,446 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:01:45,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:01:45,506 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:01:45,506 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:01:45,507 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:01:45,508 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:01:45,510 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:01:45,511 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:01:45,512 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:01:45,512 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:01:45,513 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:01:45,514 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:01:45,516 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:01:45,517 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:01:45,517 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:01:45,518 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:01:45,518 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:01:45,518 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:01:45,519 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:01:45,519 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:01:45,520 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:01:45,520 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:01:45,521 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:01:45,521 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:01:45,521 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:01:45,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:01:45,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:01:45,522 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:01:45,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:01:45,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:01:45,528 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:01:45,529 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:01:45,529 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:01:45,529 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_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 272a8c027e707f809e4c515f57b9728267430a4f523307b5a4b07078f140f1e5 [2024-11-09 00:01:46,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:01:46,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:01:46,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:01:46,057 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:01:46,057 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:01:46,059 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_08_bad.i Unable to find full path for "g++" [2024-11-09 00:01:48,535 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:01:49,029 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:01:49,029 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_08_bad.i [2024-11-09 00:01:49,073 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/bin/ukojak-verify-ImItNfHLgk/data/45da2a3d4/698ed72278cc42a8a8a3d84aa98aba0b/FLAG09db404b8 [2024-11-09 00:01:49,102 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/bin/ukojak-verify-ImItNfHLgk/data/45da2a3d4/698ed72278cc42a8a8a3d84aa98aba0b [2024-11-09 00:01:49,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:01:49,109 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:01:49,112 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:01:49,112 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:01:49,120 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:01:49,121 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:01:49" (1/1) ... [2024-11-09 00:01:49,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cf2bbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:49, skipping insertion in model container [2024-11-09 00:01:49,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:01:49" (1/1) ... [2024-11-09 00:01:49,223 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:01:50,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:01:50,552 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:01:50,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:01:50,855 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:01:50,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:50 WrapperNode [2024-11-09 00:01:50,855 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:01:50,857 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:01:50,857 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:01:50,857 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:01:50,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:50" (1/1) ... [2024-11-09 00:01:50,909 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:50" (1/1) ... [2024-11-09 00:01:50,938 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-09 00:01:50,939 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:01:50,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:01:50,940 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:01:50,940 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:01:50,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:50" (1/1) ... [2024-11-09 00:01:50,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:50" (1/1) ... [2024-11-09 00:01:50,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:50" (1/1) ... [2024-11-09 00:01:50,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:50" (1/1) ... [2024-11-09 00:01:50,980 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:50" (1/1) ... [2024-11-09 00:01:50,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:50" (1/1) ... [2024-11-09 00:01:50,992 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:50" (1/1) ... [2024-11-09 00:01:50,994 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:50" (1/1) ... [2024-11-09 00:01:51,002 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:01:51,006 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:01:51,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:01:51,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:01:51,007 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:50" (1/1) ... [2024-11-09 00:01:51,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:01:51,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:01:51,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:01:51,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:01:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:01:51,100 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:01:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:01:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:01:51,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:01:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-09 00:01:51,101 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-09 00:01:51,340 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:01:51,343 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:01:51,598 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-09 00:01:51,598 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:01:51,695 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:01:51,695 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:01:51,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:01:51 BoogieIcfgContainer [2024-11-09 00:01:51,696 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:01:51,697 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:01:51,697 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:01:51,713 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:01:51,713 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:01:51" (1/1) ... [2024-11-09 00:01:51,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:01:51,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:51,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2024-11-09 00:01:51,804 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-11-09 00:01:51,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:01:51,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:51,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:01:51,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:01:51,817 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:01:51,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:01:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:01:52,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:01:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:01:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:01:52,243 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:01:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:01:52,308 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:01:52,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:01:52,318 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:01:52,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:01:52 ImpRootNode [2024-11-09 00:01:52,360 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:01:52,361 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:01:52,363 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:01:52,363 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:01:52,364 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:01:51" (3/4) ... [2024-11-09 00:01:52,367 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:01:52,368 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:01:52,369 INFO L158 Benchmark]: Toolchain (without parser) took 3260.88ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 44.2MB in the beginning and 41.3MB in the end (delta: 3.0MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-11-09 00:01:52,370 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 71.3MB. Free memory was 47.0MB in the beginning and 46.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:01:52,371 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1744.05ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 43.9MB in the beginning and 54.3MB in the end (delta: -10.4MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2024-11-09 00:01:52,372 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.59ms. Allocated memory is still 90.2MB. Free memory was 54.3MB in the beginning and 51.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:01:52,372 INFO L158 Benchmark]: Boogie Preprocessor took 64.81ms. Allocated memory is still 90.2MB. Free memory was 51.4MB in the beginning and 49.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:01:52,373 INFO L158 Benchmark]: RCFGBuilder took 690.49ms. Allocated memory is still 90.2MB. Free memory was 49.3MB in the beginning and 56.9MB in the end (delta: -7.6MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-09 00:01:52,374 INFO L158 Benchmark]: CodeCheck took 663.52ms. Allocated memory is still 90.2MB. Free memory was 56.9MB in the beginning and 41.7MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:01:52,375 INFO L158 Benchmark]: Witness Printer took 7.29ms. Allocated memory is still 90.2MB. Free memory was 41.7MB in the beginning and 41.3MB in the end (delta: 445.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:01:52,383 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 3 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 14 NumberOfCodeBlocks, 14 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 1576. 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE191_Integer_Underflow__int_fscanf_predec_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() 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] [L1564] COND TRUE staticReturnsTrue() [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 0.60ms. Allocated memory is still 71.3MB. Free memory was 47.0MB in the beginning and 46.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1744.05ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 43.9MB in the beginning and 54.3MB in the end (delta: -10.4MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.59ms. Allocated memory is still 90.2MB. Free memory was 54.3MB in the beginning and 51.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.81ms. Allocated memory is still 90.2MB. Free memory was 51.4MB in the beginning and 49.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 690.49ms. Allocated memory is still 90.2MB. Free memory was 49.3MB in the beginning and 56.9MB in the end (delta: -7.6MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * CodeCheck took 663.52ms. Allocated memory is still 90.2MB. Free memory was 56.9MB in the beginning and 41.7MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.29ms. Allocated memory is still 90.2MB. Free memory was 41.7MB in the beginning and 41.3MB in the end (delta: 445.3kB). 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 00:01:52,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1ceb8c-ca50-4e39-a673-167aafa8bf44/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