./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_66_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC --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 f51cd66cc8ab187e6d0f388d838666fcffc43452be13bff3e7ff354d13db6cea --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:29:22,081 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:29:22,185 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:29:22,203 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:29:22,204 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:29:22,248 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:29:22,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:29:22,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:29:22,251 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:29:22,258 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:29:22,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:29:22,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:29:22,261 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:29:22,263 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:29:22,263 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:29:22,264 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:29:22,264 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:29:22,264 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:29:22,265 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:29:22,265 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:29:22,266 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:29:22,267 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:29:22,267 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:29:22,269 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:29:22,269 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:29:22,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:29:22,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:29:22,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:29:22,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:29:22,272 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:29:22,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:29:22,273 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:29:22,273 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_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f51cd66cc8ab187e6d0f388d838666fcffc43452be13bff3e7ff354d13db6cea [2023-11-23 20:29:22,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:29:22,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:29:22,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:29:22,547 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:29:22,548 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:29:22,549 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_66_bad.i [2023-11-23 20:29:25,643 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:29:26,110 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:29:26,114 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_66_bad.i [2023-11-23 20:29:26,153 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/data/652102e67/2794760b20fd46f2853ada4c486707b4/FLAGf787ec5df [2023-11-23 20:29:26,176 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/data/652102e67/2794760b20fd46f2853ada4c486707b4 [2023-11-23 20:29:26,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:29:26,184 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:29:26,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:29:26,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:29:26,196 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:29:26,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:29:26" (1/1) ... [2023-11-23 20:29:26,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@195ba212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:26, skipping insertion in model container [2023-11-23 20:29:26,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:29:26" (1/1) ... [2023-11-23 20:29:26,283 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:29:26,803 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:29:27,502 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:29:27,514 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:29:27,549 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:29:27,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:29:27,832 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:27,832 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:27,832 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:27,833 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:27,833 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:27,833 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:27,841 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:29:27,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:27 WrapperNode [2023-11-23 20:29:27,842 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:29:27,843 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:29:27,843 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:29:27,843 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:29:27,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:27" (1/1) ... [2023-11-23 20:29:27,889 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:27" (1/1) ... [2023-11-23 20:29:27,915 INFO L138 Inliner]: procedures = 501, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2023-11-23 20:29:27,918 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:29:27,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:29:27,919 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:29:27,919 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:29:27,930 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:27" (1/1) ... [2023-11-23 20:29:27,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:27" (1/1) ... [2023-11-23 20:29:27,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:27" (1/1) ... [2023-11-23 20:29:27,952 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:27" (1/1) ... [2023-11-23 20:29:27,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:27" (1/1) ... [2023-11-23 20:29:27,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:27" (1/1) ... [2023-11-23 20:29:27,970 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:27" (1/1) ... [2023-11-23 20:29:27,972 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:27" (1/1) ... [2023-11-23 20:29:27,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:29:27,977 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:29:27,977 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:29:27,977 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:29:27,978 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:27" (1/1) ... [2023-11-23 20:29:27,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:29:28,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:29:28,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:29:28,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:29:28,054 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:29:28,054 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:29:28,054 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:29:28,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:29:28,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:29:28,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:29:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:29:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:29:28,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:29:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:29:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:29:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:29:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:29:28,207 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:29:28,210 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:29:28,366 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:29:28,409 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:29:28,410 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:29:28,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:29:28 BoogieIcfgContainer [2023-11-23 20:29:28,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:29:28,412 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:29:28,413 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:29:28,423 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:29:28,424 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:29:28" (1/1) ... [2023-11-23 20:29:28,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:29:28,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:28,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-23 20:29:28,502 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-23 20:29:28,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:29:28,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:28,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:28,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:28,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:28,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-23 20:29:28,998 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-23 20:29:28,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:29:28,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:28,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:29:29,047 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:29:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:29:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:29:29,154 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:29:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:29:29,194 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-23 20:29:29,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:29:29 ImpRootNode [2023-11-23 20:29:29,229 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:29:29,230 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:29:29,230 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:29:29,230 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:29:29,231 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:29:28" (3/4) ... [2023-11-23 20:29:29,233 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:29:29,234 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:29:29,240 INFO L158 Benchmark]: Toolchain (without parser) took 3051.00ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 93.3MB in the beginning and 115.6MB in the end (delta: -22.3MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-11-23 20:29:29,241 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:29:29,242 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1653.74ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 93.3MB in the beginning and 114.2MB in the end (delta: -20.9MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2023-11-23 20:29:29,243 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.38ms. Allocated memory is still 167.8MB. Free memory was 114.2MB in the beginning and 111.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:29:29,244 INFO L158 Benchmark]: Boogie Preprocessor took 56.95ms. Allocated memory is still 167.8MB. Free memory was 111.2MB in the beginning and 109.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:29:29,245 INFO L158 Benchmark]: RCFGBuilder took 434.78ms. Allocated memory is still 167.8MB. Free memory was 109.1MB in the beginning and 94.1MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:29:29,251 INFO L158 Benchmark]: CodeCheck took 816.57ms. Allocated memory is still 167.8MB. Free memory was 94.1MB in the beginning and 115.6MB in the end (delta: -21.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:29:29,252 INFO L158 Benchmark]: Witness Printer took 4.66ms. Allocated memory is still 167.8MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:29:29,261 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: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 12 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 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, 0.3s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 1581]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. 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); [L1571] 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) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=46, argc=46, argv={45:47}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_fgets_multiply_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1565] dataArray[2] = data [L1566] CALL CWE190_Integer_Overflow__int_fgets_multiply_66b_badSink(dataArray) [L1578] EXPR dataArray[2] [L1578] int data = dataArray[2]; [L1579] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, dataArray={7070:0}, dataArray={7070:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1581] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, dataArray={7070:0}, dataArray={7070:0}, 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 0.33ms. Allocated memory is still 102.8MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1653.74ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 93.3MB in the beginning and 114.2MB in the end (delta: -20.9MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.38ms. Allocated memory is still 167.8MB. Free memory was 114.2MB in the beginning and 111.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.95ms. Allocated memory is still 167.8MB. Free memory was 111.2MB in the beginning and 109.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 434.78ms. Allocated memory is still 167.8MB. Free memory was 109.1MB in the beginning and 94.1MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 816.57ms. Allocated memory is still 167.8MB. Free memory was 94.1MB in the beginning and 115.6MB in the end (delta: -21.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.66ms. Allocated memory is still 167.8MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:29:29,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC --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 f51cd66cc8ab187e6d0f388d838666fcffc43452be13bff3e7ff354d13db6cea --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:29:32,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:29:32,232 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 20:29:32,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:29:32,284 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:29:32,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:29:32,286 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:29:32,287 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:29:32,288 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:29:32,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:29:32,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:29:32,294 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:29:32,295 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:29:32,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:29:32,297 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:29:32,297 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:29:32,298 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:29:32,298 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:29:32,299 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:29:32,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:29:32,300 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:29:32,302 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:29:32,302 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:29:32,303 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:29:32,303 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:29:32,304 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:29:32,304 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:29:32,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:29:32,306 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:29:32,306 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:29:32,307 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:29:32,308 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:29:32,308 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:29:32,309 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:29:32,309 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:29:32,309 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:29:32,309 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_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f51cd66cc8ab187e6d0f388d838666fcffc43452be13bff3e7ff354d13db6cea [2023-11-23 20:29:32,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:29:32,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:29:32,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:29:32,751 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:29:32,752 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:29:32,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_66_bad.i [2023-11-23 20:29:35,803 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:29:36,305 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:29:36,306 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_66_bad.i [2023-11-23 20:29:36,338 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/data/e7e00b4f6/cd4f8110b9ae47ecaecf846d0b2fe678/FLAGcb16f87b6 [2023-11-23 20:29:36,357 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/data/e7e00b4f6/cd4f8110b9ae47ecaecf846d0b2fe678 [2023-11-23 20:29:36,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:29:36,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:29:36,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:29:36,369 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:29:36,374 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:29:36,375 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:29:36" (1/1) ... [2023-11-23 20:29:36,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@661ecfb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:36, skipping insertion in model container [2023-11-23 20:29:36,376 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:29:36" (1/1) ... [2023-11-23 20:29:36,473 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:29:36,917 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:29:37,488 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:29:37,507 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:29:37,531 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:29:37,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:29:37,864 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:37,865 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:37,865 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:37,865 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:37,865 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:37,865 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:37,874 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:29:37,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:37 WrapperNode [2023-11-23 20:29:37,874 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:29:37,876 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:29:37,879 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:29:37,879 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:29:37,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:37" (1/1) ... [2023-11-23 20:29:37,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:37" (1/1) ... [2023-11-23 20:29:37,982 INFO L138 Inliner]: procedures = 506, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2023-11-23 20:29:37,983 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:29:37,984 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:29:37,984 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:29:37,984 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:29:37,994 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:37" (1/1) ... [2023-11-23 20:29:37,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:37" (1/1) ... [2023-11-23 20:29:38,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:37" (1/1) ... [2023-11-23 20:29:38,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:37" (1/1) ... [2023-11-23 20:29:38,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:37" (1/1) ... [2023-11-23 20:29:38,028 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:37" (1/1) ... [2023-11-23 20:29:38,043 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:37" (1/1) ... [2023-11-23 20:29:38,045 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:37" (1/1) ... [2023-11-23 20:29:38,050 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:29:38,050 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:29:38,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:29:38,066 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:29:38,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:37" (1/1) ... [2023-11-23 20:29:38,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:29:38,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:29:38,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:29:38,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:29:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:29:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:29:38,165 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:29:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:29:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:29:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:29:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:29:38,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:29:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:29:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:29:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:29:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:29:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-23 20:29:38,421 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:29:38,424 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:29:38,645 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:29:38,711 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:29:38,711 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:29:38,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:29:38 BoogieIcfgContainer [2023-11-23 20:29:38,718 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:29:38,720 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:29:38,720 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:29:38,730 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:29:38,730 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:29:38" (1/1) ... [2023-11-23 20:29:38,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:29:38,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:38,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-23 20:29:38,827 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-23 20:29:38,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:29:38,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:38,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:29:38,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:29:38,843 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:29:38,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:29:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:39,104 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:29:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:39,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:29:39,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:39,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:39,227 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:29:39,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:29:39,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:39,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-23 20:29:39,279 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-23 20:29:39,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:29:39,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:39,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:29:39,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:29:39,281 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:29:39,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-23 20:29:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:29:39,565 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:29:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:29:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:29:39,922 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:29:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:29:40,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:29:40,116 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-23 20:29:40,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:29:40 ImpRootNode [2023-11-23 20:29:40,163 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:29:40,164 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:29:40,164 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:29:40,164 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:29:40,165 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:29:38" (3/4) ... [2023-11-23 20:29:40,167 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:29:40,168 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:29:40,169 INFO L158 Benchmark]: Toolchain (without parser) took 3803.68ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 52.3MB in the beginning and 52.1MB in the end (delta: 210.7kB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2023-11-23 20:29:40,169 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 79.7MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:29:40,170 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1506.90ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 52.1MB in the beginning and 50.4MB in the end (delta: 1.7MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2023-11-23 20:29:40,171 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.01ms. Allocated memory is still 100.7MB. Free memory was 50.4MB in the beginning and 47.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:29:40,172 INFO L158 Benchmark]: Boogie Preprocessor took 65.97ms. Allocated memory is still 100.7MB. Free memory was 47.6MB in the beginning and 45.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:29:40,177 INFO L158 Benchmark]: RCFGBuilder took 668.30ms. Allocated memory is still 100.7MB. Free memory was 45.5MB in the beginning and 56.2MB in the end (delta: -10.7MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-11-23 20:29:40,178 INFO L158 Benchmark]: CodeCheck took 1443.85ms. Allocated memory is still 100.7MB. Free memory was 56.2MB in the beginning and 52.7MB in the end (delta: 3.5MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2023-11-23 20:29:40,179 INFO L158 Benchmark]: Witness Printer took 3.92ms. Allocated memory is still 100.7MB. Free memory was 52.7MB in the beginning and 52.1MB in the end (delta: 620.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:29:40,188 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: 1.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 12 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 82 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 1581]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. 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); [L1571] 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) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_fgets_multiply_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1565] dataArray[2] = data [L1566] CALL CWE190_Integer_Overflow__int_fgets_multiply_66b_badSink(dataArray) [L1578] EXPR dataArray[2] [L1578] int data = dataArray[2]; [L1579] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, dataArray={6:0}, dataArray={6:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1581] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, dataArray={6:0}, dataArray={6:0}, 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 0.56ms. Allocated memory is still 79.7MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1506.90ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 52.1MB in the beginning and 50.4MB in the end (delta: 1.7MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.01ms. Allocated memory is still 100.7MB. Free memory was 50.4MB in the beginning and 47.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.97ms. Allocated memory is still 100.7MB. Free memory was 47.6MB in the beginning and 45.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 668.30ms. Allocated memory is still 100.7MB. Free memory was 45.5MB in the beginning and 56.2MB in the end (delta: -10.7MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * CodeCheck took 1443.85ms. Allocated memory is still 100.7MB. Free memory was 56.2MB in the beginning and 52.7MB in the end (delta: 3.5MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * Witness Printer took 3.92ms. Allocated memory is still 100.7MB. Free memory was 52.7MB in the beginning and 52.1MB in the end (delta: 620.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:29:40,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b382-84a5-44f9-aa17-f11d0f2fe086/bin/ukojak-verify-1t5iHCbJaC/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: UNKNOWN: Overapproximated counterexample