./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_54_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV --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 c250de366060070ba4c35e5dee5f788919ae086e7d982cfe0ff3210cd40565f4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:41:07,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:41:07,799 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:41:07,808 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:41:07,810 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:41:07,860 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:41:07,861 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:41:07,862 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:41:07,864 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:41:07,870 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:41:07,872 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:41:07,873 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:41:07,874 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:41:07,876 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:41:07,877 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:41:07,878 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:41:07,878 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:41:07,879 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:41:07,879 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:41:07,880 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:41:07,881 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:41:07,882 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:41:07,882 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:41:07,884 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:41:07,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:41:07,885 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:41:07,886 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:41:07,887 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:41:07,887 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:41:07,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:41:07,890 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:41:07,890 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_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c250de366060070ba4c35e5dee5f788919ae086e7d982cfe0ff3210cd40565f4 [2023-11-11 23:41:08,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:41:08,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:41:08,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:41:08,424 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:41:08,425 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:41:08,427 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_54_bad.i [2023-11-11 23:41:11,684 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:41:12,210 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:41:12,214 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_54_bad.i [2023-11-11 23:41:12,243 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/data/6b1572f2c/8c2a69b952064827a877c0dd8196068c/FLAG541ae61e2 [2023-11-11 23:41:12,262 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/data/6b1572f2c/8c2a69b952064827a877c0dd8196068c [2023-11-11 23:41:12,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:41:12,267 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:41:12,269 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:41:12,269 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:41:12,276 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:41:12,277 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:41:12" (1/1) ... [2023-11-11 23:41:12,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78a522d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:12, skipping insertion in model container [2023-11-11 23:41:12,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:41:12" (1/1) ... [2023-11-11 23:41:12,384 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:41:12,900 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:41:13,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:41:13,716 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:41:13,765 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:41:13,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:41:13,971 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:41:13,971 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:41:13,971 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:41:13,972 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:41:13,972 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:41:13,972 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:41:13,981 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:41:13,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:13 WrapperNode [2023-11-11 23:41:13,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:41:13,983 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:41:13,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:41:13,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:41:13,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:13" (1/1) ... [2023-11-11 23:41:14,028 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:13" (1/1) ... [2023-11-11 23:41:14,063 INFO L138 Inliner]: procedures = 504, calls = 68, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 63 [2023-11-11 23:41:14,064 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:41:14,065 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:41:14,065 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:41:14,065 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:41:14,077 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:13" (1/1) ... [2023-11-11 23:41:14,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:13" (1/1) ... [2023-11-11 23:41:14,082 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:13" (1/1) ... [2023-11-11 23:41:14,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:13" (1/1) ... [2023-11-11 23:41:14,092 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:13" (1/1) ... [2023-11-11 23:41:14,095 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:13" (1/1) ... [2023-11-11 23:41:14,098 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:13" (1/1) ... [2023-11-11 23:41:14,100 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:13" (1/1) ... [2023-11-11 23:41:14,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:41:14,105 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:41:14,105 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:41:14,106 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:41:14,107 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:13" (1/1) ... [2023-11-11 23:41:14,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:41:14,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:41:14,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:41:14,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:41:14,310 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:41:14,311 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:41:14,311 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:41:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:41:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-11 23:41:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:41:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:41:14,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:41:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:41:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:41:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:41:14,500 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:41:14,503 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:41:14,667 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:41:14,724 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:41:14,725 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:41:14,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:41:14 BoogieIcfgContainer [2023-11-11 23:41:14,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:41:14,730 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:41:14,730 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:41:14,745 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:41:14,745 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:41:14" (1/1) ... [2023-11-11 23:41:14,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:41:14,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:14,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-11 23:41:14,857 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-11 23:41:14,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:41:14,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:14,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:41:15,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:41:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:41:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:41:15,337 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:41:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:41:15,385 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-11 23:41:15,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:41:15 ImpRootNode [2023-11-11 23:41:15,426 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:41:15,431 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:41:15,431 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:41:15,432 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:41:15,432 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:41:14" (3/4) ... [2023-11-11 23:41:15,434 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-11 23:41:15,435 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:41:15,436 INFO L158 Benchmark]: Toolchain (without parser) took 3169.39ms. Allocated memory is still 197.1MB. Free memory was 166.6MB in the beginning and 133.2MB in the end (delta: 33.4MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2023-11-11 23:41:15,437 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 130.0MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:41:15,438 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1713.53ms. Allocated memory is still 197.1MB. Free memory was 165.6MB in the beginning and 106.0MB in the end (delta: 59.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-11-11 23:41:15,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.70ms. Allocated memory is still 197.1MB. Free memory was 106.0MB in the beginning and 102.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:41:15,439 INFO L158 Benchmark]: Boogie Preprocessor took 39.56ms. Allocated memory is still 197.1MB. Free memory was 102.7MB in the beginning and 101.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:41:15,439 INFO L158 Benchmark]: RCFGBuilder took 623.75ms. Allocated memory is still 197.1MB. Free memory was 101.5MB in the beginning and 151.0MB in the end (delta: -49.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:41:15,440 INFO L158 Benchmark]: CodeCheck took 696.84ms. Allocated memory is still 197.1MB. Free memory was 151.0MB in the beginning and 133.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:41:15,441 INFO L158 Benchmark]: Witness Printer took 4.42ms. Allocated memory is still 197.1MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:41:15,445 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, 15 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 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: 1592]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557. 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); [L1569] CALL 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, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=19, argc=19, argv={18:29}, argv={18:29}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_fgets_predec_54_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] EXPR data = atoi(inputBuffer) [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1553-L1563] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1564] CALL CWE191_Integer_Underflow__int_fgets_predec_54b_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_fgets_predec_54c_badSink(data) [L1582] CALL CWE191_Integer_Underflow__int_fgets_predec_54d_badSink(data) [L1587] CALL CWE191_Integer_Underflow__int_fgets_predec_54e_badSink(data) [L1592] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, 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 0.41ms. Allocated memory is still 130.0MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1713.53ms. Allocated memory is still 197.1MB. Free memory was 165.6MB in the beginning and 106.0MB in the end (delta: 59.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.70ms. Allocated memory is still 197.1MB. Free memory was 106.0MB in the beginning and 102.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.56ms. Allocated memory is still 197.1MB. Free memory was 102.7MB in the beginning and 101.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 623.75ms. Allocated memory is still 197.1MB. Free memory was 101.5MB in the beginning and 151.0MB in the end (delta: -49.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 696.84ms. Allocated memory is still 197.1MB. Free memory was 151.0MB in the beginning and 133.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.42ms. Allocated memory is still 197.1MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-11 23:41:15,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/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_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV --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 c250de366060070ba4c35e5dee5f788919ae086e7d982cfe0ff3210cd40565f4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:41:18,651 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:41:18,791 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-11 23:41:18,868 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:41:18,872 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:41:18,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:41:18,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:41:18,875 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:41:18,876 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:41:18,883 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:41:18,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:41:18,884 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:41:18,885 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:41:18,887 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:41:18,888 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:41:18,888 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:41:18,889 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:41:18,889 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:41:18,890 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:41:18,891 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:41:18,892 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:41:18,893 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:41:18,894 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:41:18,895 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:41:18,895 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:41:18,896 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:41:18,897 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:41:18,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:41:18,898 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:41:18,899 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:41:18,900 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:41:18,901 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:41:18,901 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:41:18,902 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:41:18,902 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:41:18,902 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:41:18,903 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c250de366060070ba4c35e5dee5f788919ae086e7d982cfe0ff3210cd40565f4 [2023-11-11 23:41:19,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:41:19,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:41:19,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:41:19,449 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:41:19,450 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:41:19,452 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_54_bad.i [2023-11-11 23:41:22,954 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:41:23,558 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:41:23,559 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_54_bad.i [2023-11-11 23:41:23,592 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/data/6e6f490a0/8f17417c7a5e46a482a9bbb65640daea/FLAGc5107206c [2023-11-11 23:41:23,612 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/data/6e6f490a0/8f17417c7a5e46a482a9bbb65640daea [2023-11-11 23:41:23,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:41:23,617 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:41:23,619 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:41:23,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:41:23,626 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:41:23,627 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:41:23" (1/1) ... [2023-11-11 23:41:23,628 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fcbc18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:23, skipping insertion in model container [2023-11-11 23:41:23,629 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:41:23" (1/1) ... [2023-11-11 23:41:23,751 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:41:24,418 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:41:25,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:41:25,522 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:41:25,558 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:41:25,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:41:25,924 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:41:25,925 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:41:25,925 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:41:25,925 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:41:25,925 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:41:25,926 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:41:25,935 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:41:25,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:25 WrapperNode [2023-11-11 23:41:25,937 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:41:25,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:41:25,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:41:25,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:41:25,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:25" (1/1) ... [2023-11-11 23:41:26,005 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:25" (1/1) ... [2023-11-11 23:41:26,040 INFO L138 Inliner]: procedures = 509, calls = 68, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 62 [2023-11-11 23:41:26,041 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:41:26,042 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:41:26,042 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:41:26,042 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:41:26,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:25" (1/1) ... [2023-11-11 23:41:26,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:25" (1/1) ... [2023-11-11 23:41:26,063 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:25" (1/1) ... [2023-11-11 23:41:26,063 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:25" (1/1) ... [2023-11-11 23:41:26,089 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:25" (1/1) ... [2023-11-11 23:41:26,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:25" (1/1) ... [2023-11-11 23:41:26,096 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:25" (1/1) ... [2023-11-11 23:41:26,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:25" (1/1) ... [2023-11-11 23:41:26,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:41:26,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:41:26,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:41:26,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:41:26,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:25" (1/1) ... [2023-11-11 23:41:26,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:41:26,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:41:26,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:41:26,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:41:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:41:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:41:26,215 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:41:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:41:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:41:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:41:26,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:41:26,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:41:26,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:41:26,216 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:41:26,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-11 23:41:26,460 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:41:26,463 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:41:26,667 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:41:26,725 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:41:26,726 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:41:26,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:41:26 BoogieIcfgContainer [2023-11-11 23:41:26,729 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:41:26,730 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:41:26,730 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:41:26,744 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:41:26,745 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:41:26" (1/1) ... [2023-11-11 23:41:26,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:41:26,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:26,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-11 23:41:26,827 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-11 23:41:26,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:41:26,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:26,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:41:26,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:41:26,842 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:41:26,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-11 23:41:26,940 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort RoundingMode not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:159) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:440) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-11 23:41:26,945 INFO L158 Benchmark]: Toolchain (without parser) took 3327.00ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 54.0MB in the beginning and 62.9MB in the end (delta: -8.9MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2023-11-11 23:41:26,946 INFO L158 Benchmark]: CDTParser took 0.84ms. Allocated memory is still 81.8MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:41:26,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2318.72ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 53.7MB in the beginning and 60.3MB in the end (delta: -6.6MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2023-11-11 23:41:26,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.23ms. Allocated memory is still 104.9MB. Free memory was 60.3MB in the beginning and 57.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:41:26,949 INFO L158 Benchmark]: Boogie Preprocessor took 66.42ms. Allocated memory is still 104.9MB. Free memory was 57.1MB in the beginning and 55.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:41:26,950 INFO L158 Benchmark]: RCFGBuilder took 605.68ms. Allocated memory is still 104.9MB. Free memory was 55.0MB in the beginning and 68.7MB in the end (delta: -13.6MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2023-11-11 23:41:26,951 INFO L158 Benchmark]: CodeCheck took 213.32ms. Allocated memory is still 104.9MB. Free memory was 68.7MB in the beginning and 62.9MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:41:26,956 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort RoundingMode not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort RoundingMode not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84ms. Allocated memory is still 81.8MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2318.72ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 53.7MB in the beginning and 60.3MB in the end (delta: -6.6MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.23ms. Allocated memory is still 104.9MB. Free memory was 60.3MB in the beginning and 57.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.42ms. Allocated memory is still 104.9MB. Free memory was 57.1MB in the beginning and 55.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 605.68ms. Allocated memory is still 104.9MB. Free memory was 55.0MB in the beginning and 68.7MB in the end (delta: -13.6MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * CodeCheck took 213.32ms. Allocated memory is still 104.9MB. Free memory was 68.7MB in the beginning and 62.9MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:41:26,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-11 23:41:27,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_896697bf-41dd-4599-b9fc-74b7eefc3de0/bin/ukojak-verify-0OAaufAVZV/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort RoundingMode not declared