./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_52_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/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_380320e7-9a16-4c8a-b1e4-970f14454765/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/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_380320e7-9a16-4c8a-b1e4-970f14454765/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 1188894761a44d828a8f04cd8512147082a237ca025bd57b106bf7d35bee4bbf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:01:03,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:01:03,607 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-12 00:01:03,613 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:01:03,614 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:01:03,663 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:01:03,664 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:01:03,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:01:03,665 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:01:03,666 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:01:03,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:01:03,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:01:03,668 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:01:03,668 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:01:03,669 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:01:03,669 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:01:03,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:01:03,670 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:01:03,671 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:01:03,671 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:01:03,672 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:01:03,673 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:01:03,673 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:01:03,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:01:03,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:03,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:01:03,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:01:03,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:01:03,676 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:01:03,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:01:03,677 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:01:03,678 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_380320e7-9a16-4c8a-b1e4-970f14454765/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1188894761a44d828a8f04cd8512147082a237ca025bd57b106bf7d35bee4bbf [2023-11-12 00:01:04,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:01:04,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:01:04,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:01:04,041 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:01:04,042 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:01:04,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_52_bad.i [2023-11-12 00:01:07,057 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:01:07,538 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:01:07,539 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_52_bad.i [2023-11-12 00:01:07,568 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/bin/ukojak-verify-0OAaufAVZV/data/337bc54d1/559fdb2a44344a58bdf3c9544095b19b/FLAGb15e2f412 [2023-11-12 00:01:07,583 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/bin/ukojak-verify-0OAaufAVZV/data/337bc54d1/559fdb2a44344a58bdf3c9544095b19b [2023-11-12 00:01:07,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:01:07,588 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:01:07,589 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:07,590 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:01:07,595 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:01:07,596 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:07" (1/1) ... [2023-11-12 00:01:07,597 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73f24778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:07, skipping insertion in model container [2023-11-12 00:01:07,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:07" (1/1) ... [2023-11-12 00:01:07,684 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:01:08,153 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:01:08,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:08,716 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:01:08,738 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:01:08,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:09,038 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:09,038 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:09,038 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:09,038 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:09,039 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:09,039 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:09,047 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:01:09,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:09 WrapperNode [2023-11-12 00:01:09,047 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:09,048 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:09,049 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:01:09,049 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:01:09,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:09" (1/1) ... [2023-11-12 00:01:09,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:09" (1/1) ... [2023-11-12 00:01:09,143 INFO L138 Inliner]: procedures = 502, calls = 66, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 57 [2023-11-12 00:01:09,146 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:09,146 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:01:09,147 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:01:09,147 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:01:09,157 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:09" (1/1) ... [2023-11-12 00:01:09,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:09" (1/1) ... [2023-11-12 00:01:09,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:09" (1/1) ... [2023-11-12 00:01:09,167 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:09" (1/1) ... [2023-11-12 00:01:09,179 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:09" (1/1) ... [2023-11-12 00:01:09,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:09" (1/1) ... [2023-11-12 00:01:09,194 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:09" (1/1) ... [2023-11-12 00:01:09,195 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:09" (1/1) ... [2023-11-12 00:01:09,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:01:09,199 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:01:09,199 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:01:09,200 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:01:09,200 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:09" (1/1) ... [2023-11-12 00:01:09,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:09,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:01:09,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:01:09,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:01:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-12 00:01:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-12 00:01:09,271 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-12 00:01:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:01:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:01:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:01:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:01:09,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:01:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:01:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-12 00:01:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:01:09,492 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:01:09,494 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:01:09,661 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:01:09,701 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:01:09,701 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:01:09,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:09 BoogieIcfgContainer [2023-11-12 00:01:09,704 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:01:09,714 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:01:09,714 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:01:09,724 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:01:09,724 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:09" (1/1) ... [2023-11-12 00:01:09,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:01:09,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:09,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-12 00:01:09,786 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-12 00:01:09,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:01:09,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:09,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:01:09,935 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:01:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:01:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:01:10,046 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:01:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:01:10,081 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-12 00:01:10,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:01:10 ImpRootNode [2023-11-12 00:01:10,111 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:01:10,112 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:01:10,112 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:01:10,112 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:01:10,113 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:09" (3/4) ... [2023-11-12 00:01:10,115 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:01:10,116 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:01:10,117 INFO L158 Benchmark]: Toolchain (without parser) took 2529.16ms. Allocated memory is still 169.9MB. Free memory was 134.0MB in the beginning and 91.9MB in the end (delta: 42.0MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2023-11-12 00:01:10,118 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 119.5MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:01:10,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1458.32ms. Allocated memory is still 169.9MB. Free memory was 134.0MB in the beginning and 129.7MB in the end (delta: 4.3MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2023-11-12 00:01:10,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.47ms. Allocated memory is still 169.9MB. Free memory was 129.7MB in the beginning and 127.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:01:10,120 INFO L158 Benchmark]: Boogie Preprocessor took 52.06ms. Allocated memory is still 169.9MB. Free memory was 127.1MB in the beginning and 125.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:01:10,121 INFO L158 Benchmark]: RCFGBuilder took 504.78ms. Allocated memory is still 169.9MB. Free memory was 125.5MB in the beginning and 110.3MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:01:10,121 INFO L158 Benchmark]: CodeCheck took 397.95ms. Allocated memory is still 169.9MB. Free memory was 110.3MB in the beginning and 92.8MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 00:01:10,122 INFO L158 Benchmark]: Witness Printer took 4.35ms. Allocated memory is still 169.9MB. Free memory was 92.8MB in the beginning and 91.9MB in the end (delta: 810.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:01:10,126 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 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: 1583]: 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)=27, argc=27, argv={28:26}, argv={28:26}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_fgets_multiply_52_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_multiply_52b_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_fgets_multiply_52c_badSink(data) [L1581] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1583] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, data=-1073741825, 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 0.27ms. Allocated memory is still 119.5MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1458.32ms. Allocated memory is still 169.9MB. Free memory was 134.0MB in the beginning and 129.7MB in the end (delta: 4.3MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.47ms. Allocated memory is still 169.9MB. Free memory was 129.7MB in the beginning and 127.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.06ms. Allocated memory is still 169.9MB. Free memory was 127.1MB in the beginning and 125.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 504.78ms. Allocated memory is still 169.9MB. Free memory was 125.5MB in the beginning and 110.3MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 397.95ms. Allocated memory is still 169.9MB. Free memory was 110.3MB in the beginning and 92.8MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.35ms. Allocated memory is still 169.9MB. Free memory was 92.8MB in the beginning and 91.9MB in the end (delta: 810.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:01:10,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/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_380320e7-9a16-4c8a-b1e4-970f14454765/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/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_380320e7-9a16-4c8a-b1e4-970f14454765/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 1188894761a44d828a8f04cd8512147082a237ca025bd57b106bf7d35bee4bbf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:01:12,818 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:01:12,929 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-12 00:01:12,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:01:12,992 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:01:12,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:01:12,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:01:12,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:01:12,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:01:13,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:01:13,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:01:13,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:01:13,003 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:01:13,004 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:01:13,005 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:01:13,005 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:01:13,006 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:01:13,006 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:01:13,007 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:01:13,008 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:01:13,008 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:01:13,009 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:01:13,010 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:01:13,010 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:01:13,011 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:01:13,011 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:01:13,012 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:01:13,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:13,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:01:13,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:01:13,015 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:01:13,015 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:01:13,015 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:01:13,016 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:01:13,016 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:01:13,017 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:01:13,017 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_380320e7-9a16-4c8a-b1e4-970f14454765/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1188894761a44d828a8f04cd8512147082a237ca025bd57b106bf7d35bee4bbf [2023-11-12 00:01:13,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:01:13,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:01:13,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:01:13,449 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:01:13,450 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:01:13,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_52_bad.i [2023-11-12 00:01:16,602 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:01:17,077 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:01:17,078 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_52_bad.i [2023-11-12 00:01:17,120 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/bin/ukojak-verify-0OAaufAVZV/data/1843229d2/eb516fbca3e8443384b5a4410a6b59eb/FLAG38c354d95 [2023-11-12 00:01:17,140 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/bin/ukojak-verify-0OAaufAVZV/data/1843229d2/eb516fbca3e8443384b5a4410a6b59eb [2023-11-12 00:01:17,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:01:17,148 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:01:17,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:17,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:01:17,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:01:17,163 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:17" (1/1) ... [2023-11-12 00:01:17,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3939a838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:17, skipping insertion in model container [2023-11-12 00:01:17,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:17" (1/1) ... [2023-11-12 00:01:17,247 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:01:17,726 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:01:18,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:18,550 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:01:18,580 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:01:18,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:18,840 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:18,840 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:18,841 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:18,841 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:18,841 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:18,841 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:18,850 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:01:18,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:18 WrapperNode [2023-11-12 00:01:18,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:18,852 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:18,855 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:01:18,855 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:01:18,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:18" (1/1) ... [2023-11-12 00:01:18,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:18" (1/1) ... [2023-11-12 00:01:18,961 INFO L138 Inliner]: procedures = 507, calls = 66, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 56 [2023-11-12 00:01:18,961 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:18,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:01:18,963 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:01:18,963 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:01:18,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:18" (1/1) ... [2023-11-12 00:01:18,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:18" (1/1) ... [2023-11-12 00:01:18,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:18" (1/1) ... [2023-11-12 00:01:18,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:18" (1/1) ... [2023-11-12 00:01:19,013 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:18" (1/1) ... [2023-11-12 00:01:19,015 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:18" (1/1) ... [2023-11-12 00:01:19,019 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:18" (1/1) ... [2023-11-12 00:01:19,029 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:18" (1/1) ... [2023-11-12 00:01:19,041 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:01:19,042 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:01:19,042 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:01:19,042 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:01:19,043 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:18" (1/1) ... [2023-11-12 00:01:19,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:19,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:01:19,085 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:01:19,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:01:19,144 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-12 00:01:19,144 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-12 00:01:19,144 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-12 00:01:19,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:01:19,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:01:19,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:01:19,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:01:19,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:01:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:01:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-12 00:01:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-12 00:01:19,394 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:01:19,397 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:01:19,563 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:01:19,635 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:01:19,635 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:01:19,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:19 BoogieIcfgContainer [2023-11-12 00:01:19,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:01:19,640 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:01:19,640 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:01:19,651 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:01:19,652 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:19" (1/1) ... [2023-11-12 00:01:19,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:01:19,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:19,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-12 00:01:19,736 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-12 00:01:19,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:01:19,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:19,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:01:19,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:01:19,749 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:01:19,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-12 00:01:19,813 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) [2023-11-12 00:01:19,817 INFO L158 Benchmark]: Toolchain (without parser) took 2668.37ms. Allocated memory is still 90.2MB. Free memory was 62.2MB in the beginning and 39.0MB in the end (delta: 23.2MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2023-11-12 00:01:19,817 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 60.8MB. Free memory was 37.2MB in the beginning and 37.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:01:19,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1697.34ms. Allocated memory is still 90.2MB. Free memory was 61.9MB in the beginning and 40.1MB in the end (delta: 21.9MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2023-11-12 00:01:19,818 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.68ms. Allocated memory is still 90.2MB. Free memory was 40.1MB in the beginning and 37.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:01:19,819 INFO L158 Benchmark]: Boogie Preprocessor took 79.01ms. Allocated memory is still 90.2MB. Free memory was 37.2MB in the beginning and 61.7MB in the end (delta: -24.5MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2023-11-12 00:01:19,823 INFO L158 Benchmark]: RCFGBuilder took 596.68ms. Allocated memory is still 90.2MB. Free memory was 61.7MB in the beginning and 44.7MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 00:01:19,824 INFO L158 Benchmark]: CodeCheck took 175.23ms. Allocated memory is still 90.2MB. Free memory was 44.7MB in the beginning and 39.0MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 00:01:19,829 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 0.66ms. Allocated memory is still 60.8MB. Free memory was 37.2MB in the beginning and 37.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1697.34ms. Allocated memory is still 90.2MB. Free memory was 61.9MB in the beginning and 40.1MB in the end (delta: 21.9MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.68ms. Allocated memory is still 90.2MB. Free memory was 40.1MB in the beginning and 37.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.01ms. Allocated memory is still 90.2MB. Free memory was 37.2MB in the beginning and 61.7MB in the end (delta: -24.5MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * RCFGBuilder took 596.68ms. Allocated memory is still 90.2MB. Free memory was 61.7MB in the beginning and 44.7MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 175.23ms. Allocated memory is still 90.2MB. Free memory was 44.7MB in the beginning and 39.0MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:01:19,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:01:20,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380320e7-9a16-4c8a-b1e4-970f14454765/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