./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_07_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/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_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/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_2654d6ae-9555-4733-8f2e-c0afa3d6b550/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 7305f9fc18fde7502807ae00345ca799a15d7d775e84b42fb7a915b5843f7132 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:22:31,190 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:22:31,286 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:22:31,291 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:22:31,292 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:22:31,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:22:31,316 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:22:31,316 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:22:31,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:22:31,318 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:22:31,319 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:22:31,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:22:31,321 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:22:31,322 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:22:31,324 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:22:31,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:22:31,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:22:31,330 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:22:31,330 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:22:31,331 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:22:31,331 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:22:31,332 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:22:31,332 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:22:31,333 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:22:31,333 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:22:31,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:22:31,334 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:22:31,334 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:22:31,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:22:31,335 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:22:31,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:22:31,338 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:22:31,339 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_2654d6ae-9555-4733-8f2e-c0afa3d6b550/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7305f9fc18fde7502807ae00345ca799a15d7d775e84b42fb7a915b5843f7132 [2023-11-19 03:22:31,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:22:31,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:22:31,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:22:31,604 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:22:31,604 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:22:31,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_07_bad.i [2023-11-19 03:22:34,730 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:22:35,227 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:22:35,228 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_07_bad.i [2023-11-19 03:22:35,268 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/data/1e301e6e5/8e45e70a14e34a969777ec149e2f4912/FLAGa894fefae [2023-11-19 03:22:35,285 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/data/1e301e6e5/8e45e70a14e34a969777ec149e2f4912 [2023-11-19 03:22:35,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:22:35,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:22:35,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:22:35,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:22:35,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:22:35,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:22:35" (1/1) ... [2023-11-19 03:22:35,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f52ad2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:35, skipping insertion in model container [2023-11-19 03:22:35,298 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:22:35" (1/1) ... [2023-11-19 03:22:35,363 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:22:35,784 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:22:36,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:22:36,376 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:22:36,395 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:22:36,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:22:36,658 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:22:36,659 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:22:36,659 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:22:36,659 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:22:36,659 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:22:36,659 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:22:36,667 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:22:36,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:36 WrapperNode [2023-11-19 03:22:36,668 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:22:36,670 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:22:36,670 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:22:36,670 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:22:36,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:36" (1/1) ... [2023-11-19 03:22:36,732 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:36" (1/1) ... [2023-11-19 03:22:36,767 INFO L138 Inliner]: procedures = 500, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2023-11-19 03:22:36,770 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:22:36,771 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:22:36,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:22:36,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:22:36,781 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:36" (1/1) ... [2023-11-19 03:22:36,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:36" (1/1) ... [2023-11-19 03:22:36,796 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:36" (1/1) ... [2023-11-19 03:22:36,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:36" (1/1) ... [2023-11-19 03:22:36,805 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:36" (1/1) ... [2023-11-19 03:22:36,820 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:36" (1/1) ... [2023-11-19 03:22:36,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:36" (1/1) ... [2023-11-19 03:22:36,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:36" (1/1) ... [2023-11-19 03:22:36,829 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:22:36,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:22:36,832 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:22:36,832 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:22:36,833 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:36" (1/1) ... [2023-11-19 03:22:36,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:22:36,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:22:36,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:22:36,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:22:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:22:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:22:36,903 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:22:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:22:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:22:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:22:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:22:36,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:22:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:22:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:22:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:22:37,077 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:22:37,078 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:22:37,202 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:22:37,242 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:22:37,242 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:22:37,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:22:37 BoogieIcfgContainer [2023-11-19 03:22:37,247 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:22:37,248 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:22:37,248 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:22:37,257 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:22:37,258 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:22:37" (1/1) ... [2023-11-19 03:22:37,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:22:37,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:37,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-19 03:22:37,323 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-19 03:22:37,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:22:37,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:37,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:37,576 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 03:22:37,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:37,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 21 transitions. [2023-11-19 03:22:37,621 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-11-19 03:22:37,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:22:37,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:37,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:37,813 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 03:22:37,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:37,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 26 transitions. [2023-11-19 03:22:37,899 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-11-19 03:22:37,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:22:37,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:37,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:22:37,972 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:22:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:22:38,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:22:38,097 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:22:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:22:38,130 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-19 03:22:38,165 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post100 could not be translated [2023-11-19 03:22:38,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:22:38 ImpRootNode [2023-11-19 03:22:38,170 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:22:38,171 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:22:38,171 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:22:38,172 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:22:38,172 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:22:37" (3/4) ... [2023-11-19 03:22:38,177 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:22:38,178 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:22:38,180 INFO L158 Benchmark]: Toolchain (without parser) took 2890.02ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 110.4MB in the beginning and 152.9MB in the end (delta: -42.5MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2023-11-19 03:22:38,180 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 146.8MB. Free memory is still 94.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:22:38,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1378.44ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 109.9MB in the beginning and 145.6MB in the end (delta: -35.7MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. [2023-11-19 03:22:38,182 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.35ms. Allocated memory is still 197.1MB. Free memory was 145.6MB in the beginning and 142.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:22:38,183 INFO L158 Benchmark]: Boogie Preprocessor took 59.92ms. Allocated memory is still 197.1MB. Free memory was 142.5MB in the beginning and 141.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:22:38,185 INFO L158 Benchmark]: RCFGBuilder took 415.66ms. Allocated memory is still 197.1MB. Free memory was 141.4MB in the beginning and 126.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:22:38,191 INFO L158 Benchmark]: CodeCheck took 922.76ms. Allocated memory is still 197.1MB. Free memory was 126.7MB in the beginning and 154.0MB in the end (delta: -27.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:22:38,192 INFO L158 Benchmark]: Witness Printer took 7.22ms. Allocated memory is still 197.1MB. Free memory was 154.0MB in the beginning and 152.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:22:38,201 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: 0.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 36 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 6 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 int staticFive = 5; [L1579] 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}, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1579] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=18, argc=18, argv={13:19}, argv={13:19}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1580] CALL CWE190_Integer_Overflow__int_fgets_postinc_07_bad() [L1551] int data; [L1552] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1553] COND TRUE staticFive==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, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1567] COND TRUE staticFive==5 [L1570] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 146.8MB. Free memory is still 94.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1378.44ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 109.9MB in the beginning and 145.6MB in the end (delta: -35.7MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.35ms. Allocated memory is still 197.1MB. Free memory was 145.6MB in the beginning and 142.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.92ms. Allocated memory is still 197.1MB. Free memory was 142.5MB in the beginning and 141.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 415.66ms. Allocated memory is still 197.1MB. Free memory was 141.4MB in the beginning and 126.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 922.76ms. Allocated memory is still 197.1MB. Free memory was 126.7MB in the beginning and 154.0MB in the end (delta: -27.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.22ms. Allocated memory is still 197.1MB. Free memory was 154.0MB in the beginning and 152.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post100 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:22:38,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/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_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/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_2654d6ae-9555-4733-8f2e-c0afa3d6b550/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 7305f9fc18fde7502807ae00345ca799a15d7d775e84b42fb7a915b5843f7132 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:22:40,822 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:22:40,942 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 03:22:40,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:22:40,974 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:22:40,974 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:22:40,975 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:22:40,976 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:22:40,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:22:40,977 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:22:40,978 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:22:40,978 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:22:40,979 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:22:40,979 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:22:40,980 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:22:40,980 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:22:40,981 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:22:40,981 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:22:40,982 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:22:40,982 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:22:40,983 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:22:40,986 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:22:40,986 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:22:40,987 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:22:40,987 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:22:40,987 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:22:40,988 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:22:40,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:22:40,989 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:22:40,989 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:22:40,989 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:22:40,989 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:22:40,990 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:22:40,990 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:22:40,990 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:22:40,991 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:22:40,991 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_2654d6ae-9555-4733-8f2e-c0afa3d6b550/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7305f9fc18fde7502807ae00345ca799a15d7d775e84b42fb7a915b5843f7132 [2023-11-19 03:22:41,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:22:41,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:22:41,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:22:41,453 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:22:41,454 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:22:41,456 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_07_bad.i [2023-11-19 03:22:44,615 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:22:45,156 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:22:45,158 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_07_bad.i [2023-11-19 03:22:45,194 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/data/a6c96c1f0/3c64b2d2389f4d149115c224945c6e79/FLAG8d1ceb7d5 [2023-11-19 03:22:45,701 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/data/a6c96c1f0/3c64b2d2389f4d149115c224945c6e79 [2023-11-19 03:22:45,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:22:45,705 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:22:45,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:22:45,707 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:22:45,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:22:45,713 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:22:45" (1/1) ... [2023-11-19 03:22:45,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@485f1fe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:45, skipping insertion in model container [2023-11-19 03:22:45,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:22:45" (1/1) ... [2023-11-19 03:22:45,797 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:22:46,267 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:22:46,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:22:46,981 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:22:47,003 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:22:47,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:22:47,205 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:22:47,206 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:22:47,206 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:22:47,206 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:22:47,207 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:22:47,207 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:22:47,215 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:22:47,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:47 WrapperNode [2023-11-19 03:22:47,216 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:22:47,217 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:22:47,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:22:47,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:22:47,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:47" (1/1) ... [2023-11-19 03:22:47,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:47" (1/1) ... [2023-11-19 03:22:47,284 INFO L138 Inliner]: procedures = 505, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2023-11-19 03:22:47,285 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:22:47,285 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:22:47,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:22:47,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:22:47,296 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:47" (1/1) ... [2023-11-19 03:22:47,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:47" (1/1) ... [2023-11-19 03:22:47,301 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:47" (1/1) ... [2023-11-19 03:22:47,301 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:47" (1/1) ... [2023-11-19 03:22:47,312 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:47" (1/1) ... [2023-11-19 03:22:47,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:47" (1/1) ... [2023-11-19 03:22:47,318 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:47" (1/1) ... [2023-11-19 03:22:47,320 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:47" (1/1) ... [2023-11-19 03:22:47,325 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:22:47,326 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:22:47,327 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:22:47,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:22:47,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:47" (1/1) ... [2023-11-19 03:22:47,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:22:47,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:22:47,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:22:47,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:22:47,420 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:22:47,420 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:22:47,420 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:22:47,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:22:47,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:22:47,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:22:47,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:22:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:22:47,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:22:47,422 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:22:47,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 03:22:47,642 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:22:47,645 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:22:47,888 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:22:47,939 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:22:47,947 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:22:47,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:22:47 BoogieIcfgContainer [2023-11-19 03:22:47,953 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:22:47,954 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:22:47,954 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:22:47,965 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:22:47,965 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:22:47" (1/1) ... [2023-11-19 03:22:47,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:22:48,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:48,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-19 03:22:48,048 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-19 03:22:48,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:22:48,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:48,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:22:48,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:22:48,058 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:22:48,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:22:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:48,224 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:22:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:48,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:22:48,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:48,296 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 03:22:48,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:22:48,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:48,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-19 03:22:48,330 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-19 03:22:48,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:22:48,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:48,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:22:48,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:22:48,333 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:22:48,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:22:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:48,445 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:22:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:48,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:22:48,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:48,495 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 03:22:48,497 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:22:48,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:22:48,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:48,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 25 transitions. [2023-11-19 03:22:48,566 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-11-19 03:22:48,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:22:48,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:48,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:22:48,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:22:48,570 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:22:48,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:22:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:22:48,765 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:22:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:22:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:22:48,983 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:22:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:22:49,045 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:22:49,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 03:22:49,051 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-19 03:22:49,093 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post98 could not be translated [2023-11-19 03:22:49,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:22:49 ImpRootNode [2023-11-19 03:22:49,099 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:22:49,099 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:22:49,100 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:22:49,100 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:22:49,100 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:22:47" (3/4) ... [2023-11-19 03:22:49,103 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:22:49,104 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:22:49,105 INFO L158 Benchmark]: Toolchain (without parser) took 3399.50ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 58.0MB in the beginning and 93.7MB in the end (delta: -35.8MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2023-11-19 03:22:49,106 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 86.0MB. Free memory was 61.4MB in the beginning and 61.2MB in the end (delta: 148.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:22:49,107 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1509.75ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 57.7MB in the beginning and 76.5MB in the end (delta: -18.8MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2023-11-19 03:22:49,108 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.64ms. Allocated memory is still 123.7MB. Free memory was 76.5MB in the beginning and 73.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:22:49,108 INFO L158 Benchmark]: Boogie Preprocessor took 40.04ms. Allocated memory is still 123.7MB. Free memory was 73.4MB in the beginning and 71.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:22:49,109 INFO L158 Benchmark]: RCFGBuilder took 626.49ms. Allocated memory is still 123.7MB. Free memory was 71.3MB in the beginning and 88.3MB in the end (delta: -17.1MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2023-11-19 03:22:49,110 INFO L158 Benchmark]: CodeCheck took 1144.88ms. Allocated memory is still 123.7MB. Free memory was 88.3MB in the beginning and 94.5MB in the end (delta: -6.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-19 03:22:49,110 INFO L158 Benchmark]: Witness Printer took 4.56ms. Allocated memory is still 123.7MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:22:49,114 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: 1.1s, 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, 93 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 int staticFive = 5; [L1579] 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}, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1579] 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}, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1580] CALL CWE190_Integer_Overflow__int_fgets_postinc_07_bad() [L1551] int data; [L1552] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1553] COND TRUE staticFive==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, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1567] COND TRUE staticFive==5 [L1570] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 86.0MB. Free memory was 61.4MB in the beginning and 61.2MB in the end (delta: 148.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1509.75ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 57.7MB in the beginning and 76.5MB in the end (delta: -18.8MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.64ms. Allocated memory is still 123.7MB. Free memory was 76.5MB in the beginning and 73.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.04ms. Allocated memory is still 123.7MB. Free memory was 73.4MB in the beginning and 71.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 626.49ms. Allocated memory is still 123.7MB. Free memory was 71.3MB in the beginning and 88.3MB in the end (delta: -17.1MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * CodeCheck took 1144.88ms. Allocated memory is still 123.7MB. Free memory was 88.3MB in the beginning and 94.5MB in the end (delta: -6.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 4.56ms. Allocated memory is still 123.7MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post98 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:22:49,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2654d6ae-9555-4733-8f2e-c0afa3d6b550/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