./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/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_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-03 04:59:04,330 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:59:04,404 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 04:59:04,409 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:59:04,409 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:59:04,432 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:59:04,433 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:59:04,434 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:59:04,435 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:59:04,435 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:59:04,436 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:59:04,436 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:59:04,437 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:59:04,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:59:04,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:59:04,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:59:04,439 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:59:04,439 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:59:04,440 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:59:04,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:59:04,441 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:59:04,441 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:59:04,442 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:59:04,442 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:59:04,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:59:04,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:59:04,444 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:59:04,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:59:04,445 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:59:04,445 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:59:04,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:59:04,446 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:59:04,446 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_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32bdd24633479d54d31fbf9834fe1e267b64d208741446e6a4fd783c5e315546 [2023-12-03 04:59:04,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:59:04,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:59:04,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:59:04,701 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:59:04,702 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:59:04,703 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_22_bad.i [2023-12-03 04:59:07,482 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:59:07,802 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:59:07,802 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_22_bad.i [2023-12-03 04:59:07,823 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/data/626183741/c93dcf81736a406895306031a3607436/FLAGf2df043c7 [2023-12-03 04:59:07,836 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/data/626183741/c93dcf81736a406895306031a3607436 [2023-12-03 04:59:07,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:59:07,839 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:59:07,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:59:07,840 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:59:07,844 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:59:07,844 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:59:07" (1/1) ... [2023-12-03 04:59:07,845 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31355765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:07, skipping insertion in model container [2023-12-03 04:59:07,846 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:59:07" (1/1) ... [2023-12-03 04:59:07,911 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:59:08,643 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:59:08,656 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:59:08,726 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:59:08,876 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:59:08,876 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:59:08,877 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:59:08,877 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:59:08,877 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:59:08,885 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:59:08,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:08 WrapperNode [2023-12-03 04:59:08,885 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:59:08,887 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:59:08,887 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:59:08,887 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:59:08,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:08" (1/1) ... [2023-12-03 04:59:08,919 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:08" (1/1) ... [2023-12-03 04:59:08,944 INFO L138 Inliner]: procedures = 500, calls = 64, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2023-12-03 04:59:08,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:59:08,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:59:08,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:59:08,946 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:59:08,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:08" (1/1) ... [2023-12-03 04:59:08,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:08" (1/1) ... [2023-12-03 04:59:08,958 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:08" (1/1) ... [2023-12-03 04:59:08,959 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:08" (1/1) ... [2023-12-03 04:59:08,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:08" (1/1) ... [2023-12-03 04:59:08,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:08" (1/1) ... [2023-12-03 04:59:08,970 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:08" (1/1) ... [2023-12-03 04:59:08,972 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:08" (1/1) ... [2023-12-03 04:59:08,975 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:59:08,976 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:59:08,976 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:59:08,976 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:59:08,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:08" (1/1) ... [2023-12-03 04:59:08,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:59:08,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:59:09,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:59:09,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:59:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 04:59:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:59:09,046 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:59:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:59:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-03 04:59:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:59:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:59:09,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:59:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:59:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:59:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:59:09,200 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:59:09,203 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:59:09,317 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:59:09,351 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:59:09,352 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:59:09,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:59:09 BoogieIcfgContainer [2023-12-03 04:59:09,353 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:59:09,354 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:59:09,354 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:59:09,364 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:59:09,364 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:59:09" (1/1) ... [2023-12-03 04:59:09,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:59:09,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:09,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-03 04:59:09,429 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-03 04:59:09,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 04:59:09,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:09,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:59:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:09,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:59:09,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:09,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2023-12-03 04:59:09,861 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-12-03 04:59:09,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:59:09,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:09,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:59:09,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:59:09,890 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:59:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:59:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:59:09,968 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:59:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:59:10,002 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 04:59:10,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-03 04:59:10,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:59:10 ImpRootNode [2023-12-03 04:59:10,033 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:59:10,034 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:59:10,034 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:59:10,034 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:59:10,034 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:59:09" (3/4) ... [2023-12-03 04:59:10,036 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:59:10,037 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:59:10,038 INFO L158 Benchmark]: Toolchain (without parser) took 2198.92ms. Allocated memory is still 161.5MB. Free memory was 117.6MB in the beginning and 108.4MB in the end (delta: 9.3MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2023-12-03 04:59:10,038 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:59:10,039 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1045.71ms. Allocated memory is still 161.5MB. Free memory was 117.6MB in the beginning and 74.5MB in the end (delta: 43.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-12-03 04:59:10,040 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.05ms. Allocated memory is still 161.5MB. Free memory was 74.5MB in the beginning and 71.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:59:10,040 INFO L158 Benchmark]: Boogie Preprocessor took 29.99ms. Allocated memory is still 161.5MB. Free memory was 71.8MB in the beginning and 70.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:59:10,041 INFO L158 Benchmark]: RCFGBuilder took 377.57ms. Allocated memory is still 161.5MB. Free memory was 70.4MB in the beginning and 55.0MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 04:59:10,041 INFO L158 Benchmark]: CodeCheck took 678.68ms. Allocated memory is still 161.5MB. Free memory was 55.0MB in the beginning and 108.4MB in the end (delta: -53.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:59:10,042 INFO L158 Benchmark]: Witness Printer took 3.72ms. Allocated memory is still 161.5MB. Free memory is still 108.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:59:10,045 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: 0.6s, 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, 0.2s 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, overapproximation of large string literal at line 1571. 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={18:31}, 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 0.20ms. Allocated memory is still 119.5MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1045.71ms. Allocated memory is still 161.5MB. Free memory was 117.6MB in the beginning and 74.5MB in the end (delta: 43.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.05ms. Allocated memory is still 161.5MB. Free memory was 74.5MB in the beginning and 71.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.99ms. Allocated memory is still 161.5MB. Free memory was 71.8MB in the beginning and 70.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 377.57ms. Allocated memory is still 161.5MB. Free memory was 70.4MB in the beginning and 55.0MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 678.68ms. Allocated memory is still 161.5MB. Free memory was 55.0MB in the beginning and 108.4MB in the end (delta: -53.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.72ms. Allocated memory is still 161.5MB. Free memory is still 108.4MB. 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: unknown boogie variable #t~nondet102 - 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 [2023-12-03 04:59:10,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/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_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-03 04:59:11,965 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:59:12,051 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 04:59:12,083 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:59:12,084 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:59:12,084 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:59:12,085 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:59:12,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:59:12,086 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:59:12,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:59:12,087 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:59:12,088 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:59:12,088 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:59:12,089 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:59:12,089 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:59:12,090 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:59:12,090 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:59:12,091 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:59:12,091 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:59:12,092 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:59:12,092 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:59:12,093 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:59:12,094 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:59:12,094 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:59:12,094 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:59:12,095 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:59:12,095 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:59:12,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:59:12,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:59:12,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:59:12,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:59:12,097 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:59:12,098 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:59:12,098 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:59:12,098 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:59:12,098 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:59:12,099 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_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32bdd24633479d54d31fbf9834fe1e267b64d208741446e6a4fd783c5e315546 [2023-12-03 04:59:12,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:59:12,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:59:12,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:59:12,394 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:59:12,394 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:59:12,395 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_22_bad.i [2023-12-03 04:59:15,154 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:59:15,475 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:59:15,476 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_22_bad.i [2023-12-03 04:59:15,501 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/data/22029f9de/a30d4fa53e1945f28aebc9e97d8d7267/FLAG06b79fd6f [2023-12-03 04:59:15,515 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/data/22029f9de/a30d4fa53e1945f28aebc9e97d8d7267 [2023-12-03 04:59:15,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:59:15,519 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:59:15,520 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:59:15,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:59:15,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:59:15,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:59:15" (1/1) ... [2023-12-03 04:59:15,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d4c126a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:15, skipping insertion in model container [2023-12-03 04:59:15,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:59:15" (1/1) ... [2023-12-03 04:59:15,587 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:59:16,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:59:16,339 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:59:16,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:59:16,564 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:59:16,564 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:59:16,564 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:59:16,565 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:59:16,565 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:59:16,571 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:59:16,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:16 WrapperNode [2023-12-03 04:59:16,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:59:16,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:59:16,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:59:16,572 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:59:16,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:16" (1/1) ... [2023-12-03 04:59:16,606 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:16" (1/1) ... [2023-12-03 04:59:16,628 INFO L138 Inliner]: procedures = 505, calls = 64, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2023-12-03 04:59:16,629 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:59:16,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:59:16,629 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:59:16,630 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:59:16,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:16" (1/1) ... [2023-12-03 04:59:16,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:16" (1/1) ... [2023-12-03 04:59:16,641 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:16" (1/1) ... [2023-12-03 04:59:16,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:16" (1/1) ... [2023-12-03 04:59:16,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:16" (1/1) ... [2023-12-03 04:59:16,653 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:16" (1/1) ... [2023-12-03 04:59:16,656 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:16" (1/1) ... [2023-12-03 04:59:16,658 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:16" (1/1) ... [2023-12-03 04:59:16,663 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:59:16,664 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:59:16,664 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:59:16,664 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:59:16,665 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:59:16" (1/1) ... [2023-12-03 04:59:16,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:59:16,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:59:16,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:59:16,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:59:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 04:59:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:59:16,732 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:59:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:59:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:59:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:59:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:59:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:59:16,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:59:16,733 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:59:16,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-03 04:59:16,884 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:59:16,886 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:59:17,017 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:59:17,061 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:59:17,061 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:59:17,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:59:17 BoogieIcfgContainer [2023-12-03 04:59:17,063 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:59:17,064 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:59:17,064 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:59:17,074 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:59:17,074 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:59:17" (1/1) ... [2023-12-03 04:59:17,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:59:17,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:17,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-03 04:59:17,146 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-03 04:59:17,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 04:59:17,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:17,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:59:17,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:59:17,152 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:59:17,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:59:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:17,302 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:59:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:17,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:59:17,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:59:17,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:59:17,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:59:17,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:17,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-12-03 04:59:17,399 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-12-03 04:59:17,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:59:17,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:17,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:59:17,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:59:17,401 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:59:17,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:59:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:59:17,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:59:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:59:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:59:17,753 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:59:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:59:17,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:59:17,814 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 04:59:17,839 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-03 04:59:17,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:59:17 ImpRootNode [2023-12-03 04:59:17,845 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:59:17,845 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:59:17,845 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:59:17,846 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:59:17,846 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:59:17" (3/4) ... [2023-12-03 04:59:17,848 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:59:17,849 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:59:17,850 INFO L158 Benchmark]: Toolchain (without parser) took 2330.85ms. Allocated memory is still 130.0MB. Free memory was 102.5MB in the beginning and 73.5MB in the end (delta: 29.0MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2023-12-03 04:59:17,850 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:59:17,851 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1051.63ms. Allocated memory is still 130.0MB. Free memory was 102.5MB in the beginning and 71.3MB in the end (delta: 31.2MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2023-12-03 04:59:17,851 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.49ms. Allocated memory is still 130.0MB. Free memory was 71.3MB in the beginning and 67.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:59:17,852 INFO L158 Benchmark]: Boogie Preprocessor took 33.98ms. Allocated memory is still 130.0MB. Free memory was 67.8MB in the beginning and 65.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:59:17,852 INFO L158 Benchmark]: RCFGBuilder took 398.89ms. Allocated memory is still 130.0MB. Free memory was 65.7MB in the beginning and 48.2MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 04:59:17,853 INFO L158 Benchmark]: CodeCheck took 781.04ms. Allocated memory is still 130.0MB. Free memory was 48.2MB in the beginning and 74.3MB in the end (delta: -26.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:59:17,853 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 130.0MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:59:17,856 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: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 14 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, 14 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, 0.0s 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, overapproximation of large string literal at line 1571. 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}, 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 0.16ms. Allocated memory is still 65.0MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1051.63ms. Allocated memory is still 130.0MB. Free memory was 102.5MB in the beginning and 71.3MB in the end (delta: 31.2MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.49ms. Allocated memory is still 130.0MB. Free memory was 71.3MB in the beginning and 67.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.98ms. Allocated memory is still 130.0MB. Free memory was 67.8MB in the beginning and 65.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 398.89ms. Allocated memory is still 130.0MB. Free memory was 65.7MB in the beginning and 48.2MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 781.04ms. Allocated memory is still 130.0MB. Free memory was 48.2MB in the beginning and 74.3MB in the end (delta: -26.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 130.0MB. Free memory is still 73.5MB. 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: unknown boogie variable #t~nondet100 - 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 [2023-12-03 04:59:17,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc71fdb1-b321-4073-8046-db74683a3cf7/bin/ukojak-verify-Qdu7aM0XO9/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample