./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_22_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_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/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_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/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_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/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 32bdd24633479d54d31fbf9834fe1e267b64d208741446e6a4fd783c5e315546 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:56:43,502 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:56:43,621 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:56:43,628 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:56:43,629 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:56:43,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:56:43,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:56:43,668 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:56:43,669 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:56:43,674 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:56:43,675 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:56:43,675 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:56:43,675 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:56:43,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:56:43,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:56:43,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:56:43,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:56:43,679 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:56:43,679 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:56:43,680 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:56:43,680 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:56:43,681 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:56:43,681 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:56:43,682 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:56:43,682 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:56:43,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:43,683 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:56:43,683 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:56:43,684 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:56:43,684 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:56:43,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:56:43,685 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:56:43,686 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_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32bdd24633479d54d31fbf9834fe1e267b64d208741446e6a4fd783c5e315546 [2023-11-19 03:56:43,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:56:44,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:56:44,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:56:44,030 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:56:44,030 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:56:44,032 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_22_bad.i [2023-11-19 03:56:47,019 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:56:47,410 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:56:47,417 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_22_bad.i [2023-11-19 03:56:47,446 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/data/314610d4f/5216d1c20c5f484994b755cfad89dfde/FLAG72e458812 [2023-11-19 03:56:47,461 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/data/314610d4f/5216d1c20c5f484994b755cfad89dfde [2023-11-19 03:56:47,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:56:47,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:56:47,483 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:56:47,483 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:56:47,488 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:56:47,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:56:47" (1/1) ... [2023-11-19 03:56:47,490 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6010a697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:47, skipping insertion in model container [2023-11-19 03:56:47,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:56:47" (1/1) ... [2023-11-19 03:56:47,572 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:56:47,958 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:56:48,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:56:48,539 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:56:48,574 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:56:48,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:56:48,843 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:56:48,844 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:56:48,844 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:56:48,844 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:56:48,844 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:56:48,844 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:56:48,851 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:56:48,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48 WrapperNode [2023-11-19 03:56:48,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:56:48,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:56:48,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:56:48,853 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:56:48,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,889 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,926 INFO L138 Inliner]: procedures = 501, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2023-11-19 03:56:48,927 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:56:48,928 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:56:48,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:56:48,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:56:48,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,975 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,977 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,979 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,980 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,983 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:56:49,000 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:56:49,001 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:56:49,001 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:56:49,002 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:49,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:49,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:56:49,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:56:49,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:56:49,113 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:56:49,113 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:56:49,114 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:56:49,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:56:49,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:56:49,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:56:49,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:56:49,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:56:49,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:56:49,115 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:56:49,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:56:49,268 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:56:49,271 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:56:49,389 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:56:49,431 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:56:49,431 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:56:49,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:49 BoogieIcfgContainer [2023-11-19 03:56:49,436 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:56:49,437 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:56:49,437 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:56:49,451 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:56:49,452 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:49" (1/1) ... [2023-11-19 03:56:49,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:56:49,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:49,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-19 03:56:49,551 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-19 03:56:49,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:56:49,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:49,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:50,058 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 03:56:50,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:50,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2023-11-19 03:56:50,154 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-11-19 03:56:50,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:56:50,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:50,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:56:50,211 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:56:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:56:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:56:50,324 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:56:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:56:50,363 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:56:50,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:56:50 ImpRootNode [2023-11-19 03:56:50,395 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:56:50,396 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:56:50,396 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:56:50,396 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:56:50,397 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:49" (3/4) ... [2023-11-19 03:56:50,399 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:56:50,400 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:56:50,401 INFO L158 Benchmark]: Toolchain (without parser) took 2935.28ms. Allocated memory is still 176.2MB. Free memory was 142.2MB in the beginning and 95.0MB in the end (delta: 47.2MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2023-11-19 03:56:50,401 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:56:50,402 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1369.37ms. Allocated memory is still 176.2MB. Free memory was 146.0MB in the beginning and 83.1MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-19 03:56:50,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.34ms. Allocated memory is still 176.2MB. Free memory was 83.1MB in the beginning and 80.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:56:50,403 INFO L158 Benchmark]: Boogie Preprocessor took 71.86ms. Allocated memory is still 176.2MB. Free memory was 80.0MB in the beginning and 144.3MB in the end (delta: -64.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:56:50,404 INFO L158 Benchmark]: RCFGBuilder took 436.18ms. Allocated memory is still 176.2MB. Free memory was 144.3MB in the beginning and 128.5MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:56:50,404 INFO L158 Benchmark]: CodeCheck took 957.95ms. Allocated memory is still 176.2MB. Free memory was 128.5MB in the beginning and 95.0MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 03:56:50,405 INFO L158 Benchmark]: Witness Printer took 4.21ms. Allocated memory is still 176.2MB. Free memory is still 95.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:56:50,408 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 13 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1582]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal = 0; [L1571] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={18:28}, argv={18:28}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_fgets_preinc_22_bad() [L1552] int data; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1565] CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal = 1 [L1566] CALL CWE190_Integer_Overflow__int_fgets_preinc_22_badSink(data) [L1579] COND TRUE \read(CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal) VAL [CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] ++data VAL [CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, 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 0.31ms. Allocated memory is still 130.0MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1369.37ms. Allocated memory is still 176.2MB. Free memory was 146.0MB in the beginning and 83.1MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.34ms. Allocated memory is still 176.2MB. Free memory was 83.1MB in the beginning and 80.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.86ms. Allocated memory is still 176.2MB. Free memory was 80.0MB in the beginning and 144.3MB in the end (delta: -64.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 436.18ms. Allocated memory is still 176.2MB. Free memory was 144.3MB in the beginning and 128.5MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 957.95ms. Allocated memory is still 176.2MB. Free memory was 128.5MB in the beginning and 95.0MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 4.21ms. Allocated memory is still 176.2MB. Free memory is still 95.0MB. 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 03:56:50,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/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 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_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/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_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/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_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/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 32bdd24633479d54d31fbf9834fe1e267b64d208741446e6a4fd783c5e315546 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:56:53,042 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:56:53,157 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 03:56:53,217 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:56:53,221 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:56:53,222 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:56:53,223 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:56:53,224 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:56:53,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:56:53,226 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:56:53,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:56:53,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:56:53,229 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:56:53,230 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:56:53,231 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:56:53,231 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:56:53,231 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:56:53,232 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:56:53,232 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:56:53,233 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:56:53,233 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:56:53,234 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:56:53,235 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:56:53,235 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:56:53,235 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:56:53,236 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:56:53,236 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:56:53,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:53,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:56:53,238 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:56:53,239 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:56:53,239 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:56:53,239 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:56:53,240 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:56:53,240 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:56:53,240 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:56:53,241 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_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32bdd24633479d54d31fbf9834fe1e267b64d208741446e6a4fd783c5e315546 [2023-11-19 03:56:53,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:56:53,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:56:53,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:56:53,653 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:56:53,656 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:56:53,658 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_22_bad.i [2023-11-19 03:56:56,807 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:56:57,217 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:56:57,217 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_22_bad.i [2023-11-19 03:56:57,243 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/data/02f678d39/911b972e0e15408a99a00d815d91f9f9/FLAG607492c05 [2023-11-19 03:56:57,262 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/data/02f678d39/911b972e0e15408a99a00d815d91f9f9 [2023-11-19 03:56:57,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:56:57,269 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:56:57,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:56:57,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:56:57,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:56:57,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:56:57" (1/1) ... [2023-11-19 03:56:57,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73dd7626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:57, skipping insertion in model container [2023-11-19 03:56:57,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:56:57" (1/1) ... [2023-11-19 03:56:57,358 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:56:57,753 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:56:58,389 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:56:58,405 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:56:58,428 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:56:58,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:56:58,760 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:56:58,761 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:56:58,761 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:56:58,762 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:56:58,762 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:56:58,762 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:56:58,770 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:56:58,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:58 WrapperNode [2023-11-19 03:56:58,771 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:56:58,775 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:56:58,776 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:56:58,776 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:56:58,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:58" (1/1) ... [2023-11-19 03:56:58,839 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:58" (1/1) ... [2023-11-19 03:56:58,886 INFO L138 Inliner]: procedures = 506, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2023-11-19 03:56:58,886 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:56:58,887 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:56:58,887 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:56:58,887 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:56:58,898 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:58" (1/1) ... [2023-11-19 03:56:58,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:58" (1/1) ... [2023-11-19 03:56:58,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:58" (1/1) ... [2023-11-19 03:56:58,923 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:58" (1/1) ... [2023-11-19 03:56:58,946 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:58" (1/1) ... [2023-11-19 03:56:58,948 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:58" (1/1) ... [2023-11-19 03:56:58,952 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:58" (1/1) ... [2023-11-19 03:56:58,961 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:58" (1/1) ... [2023-11-19 03:56:58,966 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:56:58,967 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:56:58,967 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:56:58,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:56:58,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:58" (1/1) ... [2023-11-19 03:56:58,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:58,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:56:59,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:56:59,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:56:59,044 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:56:59,044 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:56:59,044 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:56:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:56:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:56:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:56:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:56:59,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:56:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:56:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:56:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 03:56:59,219 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:56:59,221 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:56:59,446 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:56:59,492 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:56:59,492 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:56:59,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:59 BoogieIcfgContainer [2023-11-19 03:56:59,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:56:59,498 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:56:59,498 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:56:59,521 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:56:59,522 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:59" (1/1) ... [2023-11-19 03:56:59,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:56:59,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:59,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-19 03:56:59,617 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-19 03:56:59,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:56:59,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:59,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:56:59,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:56:59,652 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:56:59,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:56:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:59,812 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:56:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:59,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:56:59,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:59,894 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 03:56:59,896 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:56:59,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:56:59,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:59,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-19 03:56:59,937 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-19 03:56:59,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:56:59,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:59,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:56:59,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:56:59,941 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:56:59,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:57:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:57:00,164 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:57:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:57:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:57:00,408 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:57:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:57:00,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:57:00,504 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:57:00,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:57:00 ImpRootNode [2023-11-19 03:57:00,558 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:57:00,559 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:57:00,559 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:57:00,559 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:57:00,560 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:59" (3/4) ... [2023-11-19 03:57:00,562 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:57:00,564 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:57:00,565 INFO L158 Benchmark]: Toolchain (without parser) took 3295.03ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 39.5MB in the beginning and 54.0MB in the end (delta: -14.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2023-11-19 03:57:00,566 INFO L158 Benchmark]: CDTParser took 1.44ms. Allocated memory is still 73.4MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:00,567 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1501.66ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 39.3MB in the beginning and 72.9MB in the end (delta: -33.6MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2023-11-19 03:57:00,569 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.98ms. Allocated memory is still 102.8MB. Free memory was 72.9MB in the beginning and 70.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:57:00,570 INFO L158 Benchmark]: Boogie Preprocessor took 79.47ms. Allocated memory is still 102.8MB. Free memory was 70.2MB in the beginning and 68.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:57:00,575 INFO L158 Benchmark]: RCFGBuilder took 529.72ms. Allocated memory is still 102.8MB. Free memory was 68.1MB in the beginning and 50.4MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:57:00,576 INFO L158 Benchmark]: CodeCheck took 1060.18ms. Allocated memory is still 102.8MB. Free memory was 50.4MB in the beginning and 54.0MB in the end (delta: -3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:00,576 INFO L158 Benchmark]: Witness Printer took 5.24ms. Allocated memory is still 102.8MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:00,586 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 13 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 68 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1582]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal = 0; [L1571] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal=0, 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] [L1572] CALL CWE190_Integer_Overflow__int_fgets_preinc_22_bad() [L1552] int data; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1565] CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal = 1 [L1566] CALL CWE190_Integer_Overflow__int_fgets_preinc_22_badSink(data) [L1579] COND TRUE \read(CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal) VAL [CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] ++data VAL [CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, 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 1.44ms. Allocated memory is still 73.4MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1501.66ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 39.3MB in the beginning and 72.9MB in the end (delta: -33.6MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.98ms. Allocated memory is still 102.8MB. Free memory was 72.9MB in the beginning and 70.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.47ms. Allocated memory is still 102.8MB. Free memory was 70.2MB in the beginning and 68.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 529.72ms. Allocated memory is still 102.8MB. Free memory was 68.1MB in the beginning and 50.4MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1060.18ms. Allocated memory is still 102.8MB. Free memory was 50.4MB in the beginning and 54.0MB in the end (delta: -3.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.24ms. Allocated memory is still 102.8MB. Free memory is still 54.0MB. 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 03:57:00,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bd2323-b2fe-4dcd-bc3d-bace14bf5765/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