./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_06_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL --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 f47e0addb296bffbb213502324d3f297e95e658997a7942d2276696d9db0ba9c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:31:23,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:31:23,871 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:31:23,881 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:31:23,882 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:31:23,929 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:31:23,931 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:31:23,931 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:31:23,933 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:31:23,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:31:23,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:31:23,940 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:31:23,941 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:31:23,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:31:23,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:31:23,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:31:23,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:31:23,945 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:31:23,946 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:31:23,946 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:31:23,947 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:31:23,947 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:31:23,948 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:31:23,948 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:31:23,949 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:31:23,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:31:23,950 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:31:23,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:31:23,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:31:23,953 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:31:23,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:31:23,955 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:31:23,955 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_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f47e0addb296bffbb213502324d3f297e95e658997a7942d2276696d9db0ba9c [2023-11-19 03:31:24,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:31:24,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:31:24,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:31:24,323 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:31:24,324 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:31:24,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_06_bad.i [2023-11-19 03:31:27,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:31:28,172 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:31:28,173 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_06_bad.i [2023-11-19 03:31:28,219 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/data/995b2331c/f4566f409cd3473c82ab46e81cafc059/FLAG4c094db66 [2023-11-19 03:31:28,241 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/data/995b2331c/f4566f409cd3473c82ab46e81cafc059 [2023-11-19 03:31:28,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:31:28,249 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:31:28,253 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:31:28,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:31:28,259 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:31:28,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:31:28" (1/1) ... [2023-11-19 03:31:28,261 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c111a83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:28, skipping insertion in model container [2023-11-19 03:31:28,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:31:28" (1/1) ... [2023-11-19 03:31:28,438 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:31:28,888 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:31:29,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:31:29,488 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:31:29,514 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:31:29,604 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:31:29,888 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:31:29,888 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:31:29,888 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:31:29,888 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:31:29,889 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:31:29,889 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:31:29,897 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:31:29,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:29 WrapperNode [2023-11-19 03:31:29,898 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:31:29,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:31:29,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:31:29,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:31:29,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:29" (1/1) ... [2023-11-19 03:31:29,958 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:29" (1/1) ... [2023-11-19 03:31:29,995 INFO L138 Inliner]: procedures = 500, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2023-11-19 03:31:29,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:31:29,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:31:29,997 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:31:29,997 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:31:30,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:29" (1/1) ... [2023-11-19 03:31:30,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:29" (1/1) ... [2023-11-19 03:31:30,011 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:29" (1/1) ... [2023-11-19 03:31:30,012 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:29" (1/1) ... [2023-11-19 03:31:30,019 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:29" (1/1) ... [2023-11-19 03:31:30,021 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:29" (1/1) ... [2023-11-19 03:31:30,023 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:29" (1/1) ... [2023-11-19 03:31:30,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:29" (1/1) ... [2023-11-19 03:31:30,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:31:30,030 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:31:30,030 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:31:30,030 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:31:30,031 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:29" (1/1) ... [2023-11-19 03:31:30,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:31:30,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:31:30,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:31:30,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:31:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:31:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:31:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:31:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:31:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:31:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:31:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:31:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:31:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:31:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:31:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:31:30,297 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:31:30,299 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:31:30,453 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:31:30,498 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:31:30,498 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:31:30,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:31:30 BoogieIcfgContainer [2023-11-19 03:31:30,503 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:31:30,504 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:31:30,505 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:31:30,516 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:31:30,517 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:31:30" (1/1) ... [2023-11-19 03:31:30,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:31:30,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:30,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-19 03:31:30,583 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-19 03:31:30,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:31:30,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:30,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:31,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:31,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:31,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 21 transitions. [2023-11-19 03:31:31,113 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-11-19 03:31:31,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:31:31,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:31,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:31,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:31,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:31,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:31,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 26 transitions. [2023-11-19 03:31:31,320 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-11-19 03:31:31,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:31:31,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:31,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:31:31,370 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:31:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:31:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:31:31,527 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:31:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:31:31,574 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-19 03:31:31,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:31:31 ImpRootNode [2023-11-19 03:31:31,638 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:31:31,639 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:31:31,639 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:31:31,639 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:31:31,640 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:31:30" (3/4) ... [2023-11-19 03:31:31,645 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:31:31,646 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:31:31,648 INFO L158 Benchmark]: Toolchain (without parser) took 3398.33ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 71.6MB in the beginning and 88.2MB in the end (delta: -16.5MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2023-11-19 03:31:31,649 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 132.1MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:31:31,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1645.89ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 71.3MB in the beginning and 144.0MB in the end (delta: -72.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-19 03:31:31,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.57ms. Allocated memory is still 180.4MB. Free memory was 144.0MB in the beginning and 140.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:31:31,653 INFO L158 Benchmark]: Boogie Preprocessor took 32.26ms. Allocated memory is still 180.4MB. Free memory was 140.7MB in the beginning and 138.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:31:31,654 INFO L158 Benchmark]: RCFGBuilder took 473.58ms. Allocated memory is still 180.4MB. Free memory was 138.8MB in the beginning and 124.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:31:31,660 INFO L158 Benchmark]: CodeCheck took 1133.53ms. Allocated memory is still 180.4MB. Free memory was 124.1MB in the beginning and 88.5MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 03:31:31,661 INFO L158 Benchmark]: Witness Printer took 8.12ms. Allocated memory is still 180.4MB. Free memory was 88.5MB in the beginning and 88.2MB in the end (delta: 313.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:31:31,673 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 38 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559. 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); [L1548] static const int STATIC_CONST_FIVE = 5; [L1579] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1579] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(argc)=13, argc=13, argv={12:27}, argv={12:27}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1580] CALL CWE190_Integer_Overflow__int_fgets_preinc_06_bad() [L1551] int data; [L1552] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1557] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] EXPR data = atoi(inputBuffer) [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555-L1565] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=2147483647, 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 132.1MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1645.89ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 71.3MB in the beginning and 144.0MB in the end (delta: -72.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.57ms. Allocated memory is still 180.4MB. Free memory was 144.0MB in the beginning and 140.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.26ms. Allocated memory is still 180.4MB. Free memory was 140.7MB in the beginning and 138.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 473.58ms. Allocated memory is still 180.4MB. Free memory was 138.8MB in the beginning and 124.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1133.53ms. Allocated memory is still 180.4MB. Free memory was 124.1MB in the beginning and 88.5MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 8.12ms. Allocated memory is still 180.4MB. Free memory was 88.5MB in the beginning and 88.2MB in the end (delta: 313.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:31:31,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL --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 f47e0addb296bffbb213502324d3f297e95e658997a7942d2276696d9db0ba9c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:31:34,612 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:31:34,742 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 03:31:34,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:31:34,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:31:34,794 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:31:34,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:31:34,795 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:31:34,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:31:34,796 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:31:34,797 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:31:34,797 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:31:34,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:31:34,798 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:31:34,799 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:31:34,799 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:31:34,800 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:31:34,801 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:31:34,801 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:31:34,801 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:31:34,802 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:31:34,805 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:31:34,805 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:31:34,806 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:31:34,806 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:31:34,807 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:31:34,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:31:34,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:31:34,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:31:34,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:31:34,810 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:31:34,810 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:31:34,810 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:31:34,811 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:31:34,811 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:31:34,811 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:31:34,812 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_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f47e0addb296bffbb213502324d3f297e95e658997a7942d2276696d9db0ba9c [2023-11-19 03:31:35,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:31:35,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:31:35,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:31:35,328 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:31:35,329 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:31:35,331 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_06_bad.i [2023-11-19 03:31:39,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:31:39,939 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:31:39,940 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_06_bad.i [2023-11-19 03:31:39,986 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/data/f256e2bdc/c473315497b1451f9aaca290b79434a6/FLAGa6dadd07b [2023-11-19 03:31:40,010 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/data/f256e2bdc/c473315497b1451f9aaca290b79434a6 [2023-11-19 03:31:40,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:31:40,024 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:31:40,028 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:31:40,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:31:40,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:31:40,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:31:40" (1/1) ... [2023-11-19 03:31:40,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3372c0ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:40, skipping insertion in model container [2023-11-19 03:31:40,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:31:40" (1/1) ... [2023-11-19 03:31:40,129 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:31:40,668 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:31:41,403 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:31:41,421 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:31:41,484 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:31:41,622 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:31:41,785 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:31:41,786 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:31:41,786 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:31:41,787 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:31:41,787 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:31:41,787 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:31:41,798 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:31:41,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:41 WrapperNode [2023-11-19 03:31:41,799 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:31:41,800 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:31:41,801 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:31:41,801 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:31:41,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:41" (1/1) ... [2023-11-19 03:31:41,862 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:41" (1/1) ... [2023-11-19 03:31:41,896 INFO L138 Inliner]: procedures = 505, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2023-11-19 03:31:41,897 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:31:41,898 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:31:41,898 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:31:41,898 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:31:41,911 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:41" (1/1) ... [2023-11-19 03:31:41,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:41" (1/1) ... [2023-11-19 03:31:41,917 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:41" (1/1) ... [2023-11-19 03:31:41,917 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:41" (1/1) ... [2023-11-19 03:31:41,931 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:41" (1/1) ... [2023-11-19 03:31:41,933 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:41" (1/1) ... [2023-11-19 03:31:41,938 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:41" (1/1) ... [2023-11-19 03:31:41,940 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:41" (1/1) ... [2023-11-19 03:31:41,947 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:31:41,948 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:31:41,948 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:31:41,948 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:31:41,949 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:41" (1/1) ... [2023-11-19 03:31:41,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:31:41,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:31:41,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:31:42,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:31:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:31:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:31:42,046 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:31:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:31:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:31:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:31:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:31:42,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:31:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:31:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:31:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 03:31:42,313 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:31:42,316 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:31:42,572 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:31:42,641 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:31:42,652 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:31:42,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:31:42 BoogieIcfgContainer [2023-11-19 03:31:42,658 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:31:42,659 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:31:42,660 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:31:42,674 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:31:42,676 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:31:42" (1/1) ... [2023-11-19 03:31:42,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:31:42,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:42,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-19 03:31:42,805 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-19 03:31:42,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:31:42,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:42,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:31:42,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:31:42,823 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:31:42,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:31:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:43,033 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:31:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:43,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:31:43,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:43,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:43,135 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Stream closed [2023-11-19 03:31:43,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:31:43,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:43,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-19 03:31:43,170 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-19 03:31:43,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:31:43,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:43,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:31:43,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:31:43,174 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:31:43,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:31:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:43,330 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:31:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:43,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:43,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:43,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:43,418 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:31:43,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:31:43,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:43,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 25 transitions. [2023-11-19 03:31:43,516 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-11-19 03:31:43,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:31:43,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:43,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:31:43,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:31:43,520 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:31:43,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:31:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:31:43,762 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:31:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:31:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:31:43,988 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:31:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:31:44,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 03:31:44,059 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-19 03:31:44,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:31:44 ImpRootNode [2023-11-19 03:31:44,125 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:31:44,126 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:31:44,126 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:31:44,126 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:31:44,127 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:31:42" (3/4) ... [2023-11-19 03:31:44,129 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:31:44,131 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:31:44,132 INFO L158 Benchmark]: Toolchain (without parser) took 4108.24ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 57.6MB in the beginning and 70.8MB in the end (delta: -13.2MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2023-11-19 03:31:44,133 INFO L158 Benchmark]: CDTParser took 0.84ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 59.5MB in the end (delta: 35.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:31:44,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1771.78ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 57.6MB in the beginning and 64.2MB in the end (delta: -6.6MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2023-11-19 03:31:44,136 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.78ms. Allocated memory is still 109.1MB. Free memory was 64.2MB in the beginning and 61.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:31:44,143 INFO L158 Benchmark]: Boogie Preprocessor took 49.04ms. Allocated memory is still 109.1MB. Free memory was 61.0MB in the beginning and 58.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:31:44,145 INFO L158 Benchmark]: RCFGBuilder took 710.61ms. Allocated memory is still 109.1MB. Free memory was 58.9MB in the beginning and 71.9MB in the end (delta: -13.0MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2023-11-19 03:31:44,147 INFO L158 Benchmark]: CodeCheck took 1465.56ms. Allocated memory is still 109.1MB. Free memory was 71.9MB in the beginning and 71.4MB in the end (delta: 440.9kB). Peak memory consumption was 977.8kB. Max. memory is 16.1GB. [2023-11-19 03:31:44,148 INFO L158 Benchmark]: Witness Printer took 5.40ms. Allocated memory is still 109.1MB. Free memory was 71.4MB in the beginning and 70.8MB in the end (delta: 662.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:31:44,158 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 39 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 134 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, 0.1s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 91 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559. 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); [L1548] static const int STATIC_CONST_FIVE = 5; [L1579] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1579] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(argc)=0, argc=0, argv={0:0}, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1580] CALL CWE190_Integer_Overflow__int_fgets_preinc_06_bad() [L1551] int data; [L1552] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1557] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] EXPR data = atoi(inputBuffer) [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555-L1565] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=2147483647, 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 0.84ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 59.5MB in the end (delta: 35.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1771.78ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 57.6MB in the beginning and 64.2MB in the end (delta: -6.6MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.78ms. Allocated memory is still 109.1MB. Free memory was 64.2MB in the beginning and 61.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.04ms. Allocated memory is still 109.1MB. Free memory was 61.0MB in the beginning and 58.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 710.61ms. Allocated memory is still 109.1MB. Free memory was 58.9MB in the beginning and 71.9MB in the end (delta: -13.0MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * CodeCheck took 1465.56ms. Allocated memory is still 109.1MB. Free memory was 71.9MB in the beginning and 71.4MB in the end (delta: 440.9kB). Peak memory consumption was 977.8kB. Max. memory is 16.1GB. * Witness Printer took 5.40ms. Allocated memory is still 109.1MB. Free memory was 71.4MB in the beginning and 70.8MB in the end (delta: 662.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:31:44,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea6acdea-4ff1-4f7f-b8bc-cb08e0532783/bin/ukojak-verify-G8NBE6pJGL/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