./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_64_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/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_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/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_9c09c2d3-1381-434d-9dc3-327886460a18/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 fddf3942d8c27d3f9f9616a5c13c43706e15c6798bb90bf6d90fc97163b13e56 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:24:00,348 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:24:00,415 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 22:24:00,419 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:24:00,420 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:24:00,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:24:00,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:24:00,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:24:00,445 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:24:00,446 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:24:00,447 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:24:00,447 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:24:00,448 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:24:00,448 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:24:00,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:24:00,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:24:00,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:24:00,450 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:24:00,451 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:24:00,451 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:24:00,452 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:24:00,453 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:24:00,453 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:24:00,453 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:24:00,454 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:24:00,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:24:00,455 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:24:00,455 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:24:00,456 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:24:00,456 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:24:00,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:24:00,457 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:24:00,457 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_9c09c2d3-1381-434d-9dc3-327886460a18/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fddf3942d8c27d3f9f9616a5c13c43706e15c6798bb90bf6d90fc97163b13e56 [2023-12-02 22:24:00,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:24:00,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:24:00,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:24:00,707 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:24:00,707 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:24:00,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_64_bad.i [2023-12-02 22:24:03,468 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:24:03,753 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:24:03,754 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_64_bad.i [2023-12-02 22:24:03,776 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9/data/d7c3827be/5c16764187c6483ca536dd3600fd97c7/FLAG46a212c83 [2023-12-02 22:24:03,789 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9/data/d7c3827be/5c16764187c6483ca536dd3600fd97c7 [2023-12-02 22:24:03,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:24:03,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:24:03,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:24:03,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:24:03,797 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:24:03,797 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:24:03" (1/1) ... [2023-12-02 22:24:03,798 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f0af9a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:03, skipping insertion in model container [2023-12-02 22:24:03,799 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:24:03" (1/1) ... [2023-12-02 22:24:03,853 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:24:04,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:24:04,536 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:24:04,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:24:04,765 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:24:04,765 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:24:04,766 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:24:04,766 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:24:04,766 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:24:04,774 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:24:04,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:04 WrapperNode [2023-12-02 22:24:04,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:24:04,775 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:24:04,775 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:24:04,776 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:24:04,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:04" (1/1) ... [2023-12-02 22:24:04,808 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:04" (1/1) ... [2023-12-02 22:24:04,833 INFO L138 Inliner]: procedures = 500, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2023-12-02 22:24:04,833 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:24:04,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:24:04,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:24:04,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:24:04,843 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:04" (1/1) ... [2023-12-02 22:24:04,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:04" (1/1) ... [2023-12-02 22:24:04,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:04" (1/1) ... [2023-12-02 22:24:04,848 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:04" (1/1) ... [2023-12-02 22:24:04,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:04" (1/1) ... [2023-12-02 22:24:04,856 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:04" (1/1) ... [2023-12-02 22:24:04,859 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:04" (1/1) ... [2023-12-02 22:24:04,860 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:04" (1/1) ... [2023-12-02 22:24:04,863 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:24:04,864 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:24:04,864 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:24:04,864 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:24:04,865 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:04" (1/1) ... [2023-12-02 22:24:04,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:24:04,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:24:04,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:24:04,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:24:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 22:24:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:24:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:24:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:24:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 22:24:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 22:24:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:24:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:24:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:24:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:24:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:24:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:24:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:24:05,063 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:24:05,065 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:24:05,177 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:24:05,212 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:24:05,212 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:24:05,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:24:05 BoogieIcfgContainer [2023-12-02 22:24:05,214 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:24:05,215 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:24:05,215 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:24:05,225 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:24:05,225 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:24:05" (1/1) ... [2023-12-02 22:24:05,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:24:05,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:05,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-02 22:24:05,276 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-02 22:24:05,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:24:05,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:05,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:24:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:05,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:05,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:05,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-12-02 22:24:05,600 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-12-02 22:24:05,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:24:05,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:05,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:24:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:24:05,651 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:24:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:24:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:24:05,754 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:24:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:24:05,795 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 22:24:05,819 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-02 22:24:05,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:24:05 ImpRootNode [2023-12-02 22:24:05,824 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:24:05,825 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:24:05,825 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:24:05,825 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:24:05,826 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:24:05" (3/4) ... [2023-12-02 22:24:05,827 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:24:05,828 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:24:05,829 INFO L158 Benchmark]: Toolchain (without parser) took 2037.03ms. Allocated memory was 119.5MB in the beginning and 146.8MB in the end (delta: 27.3MB). Free memory was 77.5MB in the beginning and 80.5MB in the end (delta: -3.0MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2023-12-02 22:24:05,830 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 119.5MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:24:05,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 981.63ms. Allocated memory was 119.5MB in the beginning and 146.8MB in the end (delta: 27.3MB). Free memory was 77.5MB in the beginning and 73.9MB in the end (delta: 3.7MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2023-12-02 22:24:05,831 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.12ms. Allocated memory is still 146.8MB. Free memory was 73.9MB in the beginning and 70.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:24:05,831 INFO L158 Benchmark]: Boogie Preprocessor took 29.50ms. Allocated memory is still 146.8MB. Free memory was 70.8MB in the beginning and 69.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:24:05,832 INFO L158 Benchmark]: RCFGBuilder took 349.97ms. Allocated memory is still 146.8MB. Free memory was 69.7MB in the beginning and 53.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 22:24:05,832 INFO L158 Benchmark]: CodeCheck took 609.47ms. Allocated memory is still 146.8MB. Free memory was 52.9MB in the beginning and 81.5MB in the end (delta: -28.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:24:05,833 INFO L158 Benchmark]: Witness Printer took 3.40ms. Allocated memory is still 146.8MB. Free memory was 81.5MB in the beginning and 80.5MB in the end (delta: 962.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:24:05,836 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, 22 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, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 13 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1580]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of large string literal at line 1569. 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); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=65, argc=65, argv={64:66}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_multiply_64_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] EXPR data = atoi(inputBuffer) [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1553-L1563] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1564] CALL CWE190_Integer_Overflow__int_fgets_multiply_64b_badSink(&data) [L1576] int * dataPtr = (int *)dataVoidPtr; [L1577] EXPR \read(*dataPtr) [L1577] int data = (*dataPtr); [L1578] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, dataPtr={10455:0}, dataVoidPtr={10455:0}, dataVoidPtr={10455:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1580] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, dataPtr={10455:0}, dataVoidPtr={10455:0}, dataVoidPtr={10455:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 119.5MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 981.63ms. Allocated memory was 119.5MB in the beginning and 146.8MB in the end (delta: 27.3MB). Free memory was 77.5MB in the beginning and 73.9MB in the end (delta: 3.7MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.12ms. Allocated memory is still 146.8MB. Free memory was 73.9MB in the beginning and 70.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.50ms. Allocated memory is still 146.8MB. Free memory was 70.8MB in the beginning and 69.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 349.97ms. Allocated memory is still 146.8MB. Free memory was 69.7MB in the beginning and 53.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 609.47ms. Allocated memory is still 146.8MB. Free memory was 52.9MB in the beginning and 81.5MB in the end (delta: -28.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.40ms. Allocated memory is still 146.8MB. Free memory was 81.5MB in the beginning and 80.5MB in the end (delta: 962.2kB). 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 [2023-12-02 22:24:05,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/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_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/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_9c09c2d3-1381-434d-9dc3-327886460a18/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 fddf3942d8c27d3f9f9616a5c13c43706e15c6798bb90bf6d90fc97163b13e56 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:24:07,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:24:07,833 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 22:24:07,862 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:24:07,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:24:07,863 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:24:07,864 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:24:07,864 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:24:07,865 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:24:07,865 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:24:07,866 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:24:07,866 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:24:07,867 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:24:07,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:24:07,868 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:24:07,869 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:24:07,869 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:24:07,870 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:24:07,870 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:24:07,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:24:07,871 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:24:07,872 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:24:07,873 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:24:07,873 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:24:07,873 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:24:07,874 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:24:07,874 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:24:07,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:24:07,875 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:24:07,876 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:24:07,876 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:24:07,877 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:24:07,877 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:24:07,877 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:24:07,877 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:24:07,878 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:24:07,878 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_9c09c2d3-1381-434d-9dc3-327886460a18/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fddf3942d8c27d3f9f9616a5c13c43706e15c6798bb90bf6d90fc97163b13e56 [2023-12-02 22:24:08,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:24:08,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:24:08,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:24:08,185 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:24:08,185 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:24:08,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_64_bad.i [2023-12-02 22:24:11,026 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:24:11,366 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:24:11,367 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_64_bad.i [2023-12-02 22:24:11,393 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9/data/277ebe4d3/c1339f5234fa447cb59dfd331b72dcd1/FLAG139cab7c6 [2023-12-02 22:24:11,407 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9/data/277ebe4d3/c1339f5234fa447cb59dfd331b72dcd1 [2023-12-02 22:24:11,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:24:11,411 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:24:11,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:24:11,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:24:11,417 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:24:11,418 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:24:11" (1/1) ... [2023-12-02 22:24:11,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e20d0cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:11, skipping insertion in model container [2023-12-02 22:24:11,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:24:11" (1/1) ... [2023-12-02 22:24:11,490 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:24:12,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:24:12,426 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 22:24:12,441 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:24:12,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:24:12,506 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:24:12,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:24:12,705 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:24:12,706 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:24:12,706 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:24:12,706 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:24:12,706 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:24:12,713 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:24:12,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:12 WrapperNode [2023-12-02 22:24:12,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:24:12,714 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:24:12,714 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:24:12,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:24:12,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:12" (1/1) ... [2023-12-02 22:24:12,748 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:12" (1/1) ... [2023-12-02 22:24:12,773 INFO L138 Inliner]: procedures = 505, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2023-12-02 22:24:12,774 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:24:12,775 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:24:12,775 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:24:12,775 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:24:12,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:12" (1/1) ... [2023-12-02 22:24:12,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:12" (1/1) ... [2023-12-02 22:24:12,789 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:12" (1/1) ... [2023-12-02 22:24:12,789 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:12" (1/1) ... [2023-12-02 22:24:12,800 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:12" (1/1) ... [2023-12-02 22:24:12,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:12" (1/1) ... [2023-12-02 22:24:12,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:12" (1/1) ... [2023-12-02 22:24:12,808 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:12" (1/1) ... [2023-12-02 22:24:12,813 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:24:12,814 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:24:12,814 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:24:12,814 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:24:12,815 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:12" (1/1) ... [2023-12-02 22:24:12,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:24:12,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:24:12,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:24:12,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:24:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 22:24:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:24:12,903 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:24:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:24:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:24:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:24:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:24:12,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:24:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 22:24:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:24:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:24:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:24:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-02 22:24:13,063 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:24:13,066 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:24:13,301 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:24:13,339 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:24:13,339 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:24:13,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:24:13 BoogieIcfgContainer [2023-12-02 22:24:13,341 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:24:13,342 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:24:13,342 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:24:13,351 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:24:13,352 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:24:13" (1/1) ... [2023-12-02 22:24:13,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:24:13,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:13,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-02 22:24:13,406 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-02 22:24:13,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:24:13,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:13,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:24:13,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:24:13,425 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:24:13,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:24:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:13,650 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:24:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:13,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:24:13,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:24:13,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:13,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:24:13,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:13,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-12-02 22:24:13,816 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-12-02 22:24:13,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:24:13,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:13,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:24:13,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:24:13,819 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:24:13,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:24:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:24:14,107 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:24:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:24:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:24:14,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:24:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:24:15,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:24:15,206 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 22:24:15,231 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-02 22:24:15,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:24:15 ImpRootNode [2023-12-02 22:24:15,237 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:24:15,238 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:24:15,238 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:24:15,238 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:24:15,239 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:24:13" (3/4) ... [2023-12-02 22:24:15,241 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:24:15,242 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:24:15,243 INFO L158 Benchmark]: Toolchain (without parser) took 3831.27ms. Allocated memory was 94.4MB in the beginning and 117.4MB in the end (delta: 23.1MB). Free memory was 67.3MB in the beginning and 53.6MB in the end (delta: 13.7MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2023-12-02 22:24:15,243 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:24:15,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1301.23ms. Allocated memory is still 94.4MB. Free memory was 67.0MB in the beginning and 41.9MB in the end (delta: 25.1MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2023-12-02 22:24:15,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.62ms. Allocated memory is still 94.4MB. Free memory was 41.9MB in the beginning and 38.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:24:15,245 INFO L158 Benchmark]: Boogie Preprocessor took 38.61ms. Allocated memory is still 94.4MB. Free memory was 38.8MB in the beginning and 36.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:24:15,246 INFO L158 Benchmark]: RCFGBuilder took 527.17ms. Allocated memory is still 94.4MB. Free memory was 36.7MB in the beginning and 46.2MB in the end (delta: -9.5MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2023-12-02 22:24:15,247 INFO L158 Benchmark]: CodeCheck took 1895.82ms. Allocated memory was 94.4MB in the beginning and 117.4MB in the end (delta: 23.1MB). Free memory was 46.2MB in the beginning and 53.6MB in the end (delta: -7.4MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2023-12-02 22:24:15,247 INFO L158 Benchmark]: Witness Printer took 3.83ms. Allocated memory is still 117.4MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:24:15,250 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 13 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 110 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1580]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of large string literal at line 1569. 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); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_multiply_64_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] EXPR data = atoi(inputBuffer) [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1553-L1563] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1564] CALL CWE190_Integer_Overflow__int_fgets_multiply_64b_badSink(&data) [L1576] int * dataPtr = (int *)dataVoidPtr; [L1577] EXPR \read(*dataPtr) [L1577] int data = (*dataPtr); [L1578] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, dataPtr={6:0}, dataVoidPtr={6:0}, dataVoidPtr={6:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1580] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, dataPtr={6:0}, dataVoidPtr={6:0}, dataVoidPtr={6:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1301.23ms. Allocated memory is still 94.4MB. Free memory was 67.0MB in the beginning and 41.9MB in the end (delta: 25.1MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.62ms. Allocated memory is still 94.4MB. Free memory was 41.9MB in the beginning and 38.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.61ms. Allocated memory is still 94.4MB. Free memory was 38.8MB in the beginning and 36.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 527.17ms. Allocated memory is still 94.4MB. Free memory was 36.7MB in the beginning and 46.2MB in the end (delta: -9.5MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * CodeCheck took 1895.82ms. Allocated memory was 94.4MB in the beginning and 117.4MB in the end (delta: 23.1MB). Free memory was 46.2MB in the beginning and 53.6MB in the end (delta: -7.4MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * Witness Printer took 3.83ms. Allocated memory is still 117.4MB. Free memory is still 53.6MB. 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 [2023-12-02 22:24:15,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c09c2d3-1381-434d-9dc3-327886460a18/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