./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_02_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_493cf888-725c-47b6-aad2-22d3a8934f3f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/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_493cf888-725c-47b6-aad2-22d3a8934f3f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/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_493cf888-725c-47b6-aad2-22d3a8934f3f/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 8cdbac82e6571791e5016f3b21049939c4a1fa2e65856d5819086f2f3e1a431d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:47:04,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:47:04,523 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:47:04,532 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:47:04,533 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:47:04,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:47:04,562 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:47:04,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:47:04,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:47:04,564 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:47:04,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:47:04,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:47:04,567 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:47:04,567 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:47:04,568 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:47:04,568 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:47:04,569 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:47:04,571 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:47:04,572 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:47:04,573 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:47:04,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:47:04,575 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:47:04,576 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:47:04,576 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:47:04,577 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:47:04,578 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:47:04,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:47:04,579 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:47:04,579 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:47:04,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:47:04,580 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:47:04,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:47:04,581 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_493cf888-725c-47b6-aad2-22d3a8934f3f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cdbac82e6571791e5016f3b21049939c4a1fa2e65856d5819086f2f3e1a431d [2024-11-09 00:47:04,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:47:05,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:47:05,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:47:05,006 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:47:05,007 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:47:05,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_02_bad.i Unable to find full path for "g++" [2024-11-09 00:47:07,446 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:47:07,862 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:47:07,863 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_02_bad.i [2024-11-09 00:47:07,914 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/bin/ukojak-verify-ImItNfHLgk/data/c379008a9/fc2f29b6d03a4d3a95ce793fe697efcf/FLAG810c202a6 [2024-11-09 00:47:07,947 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/bin/ukojak-verify-ImItNfHLgk/data/c379008a9/fc2f29b6d03a4d3a95ce793fe697efcf [2024-11-09 00:47:07,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:47:07,954 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:47:07,956 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:47:07,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:47:07,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:47:07,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:47:07" (1/1) ... [2024-11-09 00:47:07,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@87a6930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:47:07, skipping insertion in model container [2024-11-09 00:47:07,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:47:07" (1/1) ... [2024-11-09 00:47:08,058 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:47:09,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:47:09,442 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:47:09,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:47:09,734 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:47:09,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:47:09 WrapperNode [2024-11-09 00:47:09,735 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:47:09,736 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:47:09,736 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:47:09,737 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:47:09,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:47:09" (1/1) ... [2024-11-09 00:47:09,782 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:47:09" (1/1) ... [2024-11-09 00:47:09,818 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-11-09 00:47:09,818 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:47:09,819 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:47:09,820 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:47:09,820 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:47:09,832 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:47:09" (1/1) ... [2024-11-09 00:47:09,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:47:09" (1/1) ... [2024-11-09 00:47:09,837 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:47:09" (1/1) ... [2024-11-09 00:47:09,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:47:09" (1/1) ... [2024-11-09 00:47:09,846 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:47:09" (1/1) ... [2024-11-09 00:47:09,848 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:47:09" (1/1) ... [2024-11-09 00:47:09,854 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:47:09" (1/1) ... [2024-11-09 00:47:09,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:47:09" (1/1) ... [2024-11-09 00:47:09,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:47:09,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:47:09,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:47:09,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:47:09,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:47:09" (1/1) ... [2024-11-09 00:47:09,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:47:09,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:47:09,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:47:09,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:47:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:47:09,962 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:47:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:47:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:47:09,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:47:10,133 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:47:10,136 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:47:10,303 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-09 00:47:10,304 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:47:10,361 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:47:10,361 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 00:47:10,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:47:10 BoogieIcfgContainer [2024-11-09 00:47:10,362 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:47:10,363 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:47:10,367 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:47:10,381 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:47:10,382 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:47:10" (1/1) ... [2024-11-09 00:47:10,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:47:10,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:10,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-09 00:47:10,504 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-09 00:47:10,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:47:10,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:10,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:47:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:47:10,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:47:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:47:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:47:10,762 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:47:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:47:10,802 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:47:10,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:47:10 ImpRootNode [2024-11-09 00:47:10,848 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:47:10,849 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:47:10,850 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:47:10,850 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:47:10,851 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:47:10" (3/4) ... [2024-11-09 00:47:10,854 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:47:10,855 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:47:10,856 INFO L158 Benchmark]: Toolchain (without parser) took 2902.09ms. Allocated memory is still 151.0MB. Free memory was 112.2MB in the beginning and 105.2MB in the end (delta: 6.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-11-09 00:47:10,857 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 107.0MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:47:10,857 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1779.48ms. Allocated memory is still 151.0MB. Free memory was 112.2MB in the beginning and 86.2MB in the end (delta: 26.0MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2024-11-09 00:47:10,858 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.31ms. Allocated memory is still 151.0MB. Free memory was 86.2MB in the beginning and 83.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:47:10,859 INFO L158 Benchmark]: Boogie Preprocessor took 45.17ms. Allocated memory is still 151.0MB. Free memory was 83.2MB in the beginning and 82.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:47:10,860 INFO L158 Benchmark]: RCFGBuilder took 497.09ms. Allocated memory is still 151.0MB. Free memory was 82.0MB in the beginning and 67.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:47:10,860 INFO L158 Benchmark]: CodeCheck took 485.53ms. Allocated memory is still 151.0MB. Free memory was 67.9MB in the beginning and 105.2MB in the end (delta: -37.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:47:10,861 INFO L158 Benchmark]: Witness Printer took 5.90ms. Allocated memory is still 151.0MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:47:10,865 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 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_multiply_02_bad() [L1550] int data; [L1551] data = 0 [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 0.40ms. Allocated memory is still 107.0MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1779.48ms. Allocated memory is still 151.0MB. Free memory was 112.2MB in the beginning and 86.2MB in the end (delta: 26.0MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.31ms. Allocated memory is still 151.0MB. Free memory was 86.2MB in the beginning and 83.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.17ms. Allocated memory is still 151.0MB. Free memory was 83.2MB in the beginning and 82.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 497.09ms. Allocated memory is still 151.0MB. Free memory was 82.0MB in the beginning and 67.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 485.53ms. Allocated memory is still 151.0MB. Free memory was 67.9MB in the beginning and 105.2MB in the end (delta: -37.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.90ms. Allocated memory is still 151.0MB. Free memory is still 105.2MB. 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 00:47:10,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/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_493cf888-725c-47b6-aad2-22d3a8934f3f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/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_493cf888-725c-47b6-aad2-22d3a8934f3f/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 8cdbac82e6571791e5016f3b21049939c4a1fa2e65856d5819086f2f3e1a431d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:47:14,051 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:47:14,187 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:47:14,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:47:14,247 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:47:14,248 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:47:14,249 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:47:14,252 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:47:14,253 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:47:14,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:47:14,254 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:47:14,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:47:14,255 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:47:14,255 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:47:14,258 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:47:14,258 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:47:14,259 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:47:14,259 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:47:14,260 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:47:14,260 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:47:14,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:47:14,265 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:47:14,265 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:47:14,266 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:47:14,266 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:47:14,266 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:14,267 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:47:14,267 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:47:14,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:47:14,268 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:47:14,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:47:14,273 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:47:14,273 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:47:14,274 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:14,274 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:47:14,275 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_493cf888-725c-47b6-aad2-22d3a8934f3f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cdbac82e6571791e5016f3b21049939c4a1fa2e65856d5819086f2f3e1a431d [2024-11-09 00:47:14,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:47:14,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:47:14,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:47:14,721 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:47:14,721 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:47:14,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_02_bad.i Unable to find full path for "g++" [2024-11-09 00:47:16,720 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:47:17,097 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:47:17,098 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_02_bad.i [2024-11-09 00:47:17,128 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/bin/ukojak-verify-ImItNfHLgk/data/a5e23f713/42c2178404ff403abb37e79135959895/FLAG533a7e979 [2024-11-09 00:47:17,148 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/bin/ukojak-verify-ImItNfHLgk/data/a5e23f713/42c2178404ff403abb37e79135959895 [2024-11-09 00:47:17,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:47:17,153 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:47:17,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:47:17,154 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:47:17,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:47:17,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:47:17" (1/1) ... [2024-11-09 00:47:17,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b49a15d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:47:17, skipping insertion in model container [2024-11-09 00:47:17,163 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:47:17" (1/1) ... [2024-11-09 00:47:17,254 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:47:18,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:47:18,446 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:47:18,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:47:18,758 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:47:18,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:47:18 WrapperNode [2024-11-09 00:47:18,759 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:47:18,761 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:47:18,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:47:18,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:47:18,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:47:18" (1/1) ... [2024-11-09 00:47:18,799 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:47:18" (1/1) ... [2024-11-09 00:47:18,819 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-09 00:47:18,820 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:47:18,821 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:47:18,821 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:47:18,821 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:47:18,830 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:47:18" (1/1) ... [2024-11-09 00:47:18,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:47:18" (1/1) ... [2024-11-09 00:47:18,837 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:47:18" (1/1) ... [2024-11-09 00:47:18,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:47:18" (1/1) ... [2024-11-09 00:47:18,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:47:18" (1/1) ... [2024-11-09 00:47:18,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:47:18" (1/1) ... [2024-11-09 00:47:18,858 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:47:18" (1/1) ... [2024-11-09 00:47:18,859 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:47:18" (1/1) ... [2024-11-09 00:47:18,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:47:18,866 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:47:18,866 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:47:18,866 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:47:18,867 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:47:18" (1/1) ... [2024-11-09 00:47:18,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:47:18,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:47:18,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:47:18,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:47:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:47:18,956 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:47:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:47:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:47:18,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:47:19,140 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:47:19,143 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:47:19,253 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-09 00:47:19,253 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:47:19,314 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:47:19,318 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 00:47:19,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:47:19 BoogieIcfgContainer [2024-11-09 00:47:19,319 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:47:19,320 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:47:19,320 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:47:19,332 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:47:19,333 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:47:19" (1/1) ... [2024-11-09 00:47:19,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:47:19,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:19,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-09 00:47:19,412 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-09 00:47:19,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:47:19,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:19,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:19,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:19,421 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:19,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:47:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:47:19,602 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:47:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:47:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:47:19,719 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:47:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:47:19,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:47:19,764 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:47:19,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:47:19 ImpRootNode [2024-11-09 00:47:19,797 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:47:19,799 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:47:19,799 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:47:19,800 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:47:19,801 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:47:19" (3/4) ... [2024-11-09 00:47:19,803 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:47:19,804 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:47:19,805 INFO L158 Benchmark]: Toolchain (without parser) took 2652.69ms. Allocated memory was 62.9MB in the beginning and 94.4MB in the end (delta: 31.5MB). Free memory was 29.5MB in the beginning and 55.3MB in the end (delta: -25.8MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-11-09 00:47:19,806 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory was 38.8MB in the beginning and 38.7MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:47:19,807 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1605.81ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 29.3MB in the beginning and 35.9MB in the end (delta: -6.6MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-11-09 00:47:19,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.57ms. Allocated memory is still 77.6MB. Free memory was 35.9MB in the beginning and 33.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:47:19,808 INFO L158 Benchmark]: Boogie Preprocessor took 44.88ms. Allocated memory is still 77.6MB. Free memory was 33.1MB in the beginning and 31.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:47:19,809 INFO L158 Benchmark]: RCFGBuilder took 452.90ms. Allocated memory is still 77.6MB. Free memory was 31.0MB in the beginning and 34.0MB in the end (delta: -3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:47:19,810 INFO L158 Benchmark]: CodeCheck took 477.71ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 34.0MB in the beginning and 55.8MB in the end (delta: -21.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:47:19,811 INFO L158 Benchmark]: Witness Printer took 5.53ms. Allocated memory is still 94.4MB. Free memory was 55.8MB in the beginning and 55.3MB in the end (delta: 501.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:47:19,819 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 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_multiply_02_bad() [L1550] int data; [L1551] data = 0 [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 0.28ms. Allocated memory is still 62.9MB. Free memory was 38.8MB in the beginning and 38.7MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1605.81ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 29.3MB in the beginning and 35.9MB in the end (delta: -6.6MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.57ms. Allocated memory is still 77.6MB. Free memory was 35.9MB in the beginning and 33.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.88ms. Allocated memory is still 77.6MB. Free memory was 33.1MB in the beginning and 31.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 452.90ms. Allocated memory is still 77.6MB. Free memory was 31.0MB in the beginning and 34.0MB in the end (delta: -3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CodeCheck took 477.71ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 34.0MB in the beginning and 55.8MB in the end (delta: -21.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.53ms. Allocated memory is still 94.4MB. Free memory was 55.8MB in the beginning and 55.3MB in the end (delta: 501.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:47:19,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493cf888-725c-47b6-aad2-22d3a8934f3f/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