./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_31_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_00953aa5-087f-4339-acd1-2a862ad1ed94/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/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_00953aa5-087f-4339-acd1-2a862ad1ed94/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/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_00953aa5-087f-4339-acd1-2a862ad1ed94/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 608836522b55bd951c4052fdbb6fa13a2590f0ece6188ad67e1b0a5a33a58662 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:28:51,483 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:28:51,552 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 22:28:51,556 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:28:51,557 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:28:51,582 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:28:51,583 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:28:51,584 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:28:51,584 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:28:51,585 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:28:51,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:28:51,586 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:28:51,587 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:28:51,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:28:51,588 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:28:51,588 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:28:51,589 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:28:51,589 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:28:51,589 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:28:51,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:28:51,590 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:28:51,591 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:28:51,592 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:28:51,592 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:28:51,593 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:28:51,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:28:51,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:28:51,595 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:28:51,595 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:28:51,596 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:28:51,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:28:51,596 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:28:51,597 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_00953aa5-087f-4339-acd1-2a862ad1ed94/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 608836522b55bd951c4052fdbb6fa13a2590f0ece6188ad67e1b0a5a33a58662 [2023-12-02 22:28:51,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:28:51,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:28:51,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:28:51,858 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:28:51,858 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:28:51,859 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_31_bad.i [2023-12-02 22:28:54,638 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:28:54,942 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:28:54,943 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_31_bad.i [2023-12-02 22:28:54,967 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/bin/ukojak-verify-Qdu7aM0XO9/data/37b4d2073/cb67488246aa4f7d8bf58e58f4342888/FLAG04e164b8a [2023-12-02 22:28:54,982 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/bin/ukojak-verify-Qdu7aM0XO9/data/37b4d2073/cb67488246aa4f7d8bf58e58f4342888 [2023-12-02 22:28:54,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:28:54,986 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:28:54,989 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:28:54,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:28:54,993 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:28:54,994 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:28:54" (1/1) ... [2023-12-02 22:28:54,995 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a28654b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:54, skipping insertion in model container [2023-12-02 22:28:54,995 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:28:54" (1/1) ... [2023-12-02 22:28:55,060 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:28:55,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:28:55,731 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:28:55,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:28:55,913 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:28:55,913 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:28:55,913 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:28:55,913 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:28:55,919 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:28:55,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:55 WrapperNode [2023-12-02 22:28:55,920 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:28:55,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:28:55,921 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:28:55,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:28:55,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:55" (1/1) ... [2023-12-02 22:28:55,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:55" (1/1) ... [2023-12-02 22:28:55,976 INFO L138 Inliner]: procedures = 498, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2023-12-02 22:28:55,977 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:28:55,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:28:55,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:28:55,978 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:28:55,985 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:55" (1/1) ... [2023-12-02 22:28:55,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:55" (1/1) ... [2023-12-02 22:28:55,989 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:55" (1/1) ... [2023-12-02 22:28:55,990 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:55" (1/1) ... [2023-12-02 22:28:55,996 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:55" (1/1) ... [2023-12-02 22:28:55,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:55" (1/1) ... [2023-12-02 22:28:56,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:55" (1/1) ... [2023-12-02 22:28:56,002 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:55" (1/1) ... [2023-12-02 22:28:56,005 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:28:56,006 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:28:56,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:28:56,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:28:56,007 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:55" (1/1) ... [2023-12-02 22:28:56,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:28:56,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:28:56,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:28:56,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:28:56,085 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:28:56,085 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:28:56,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:28:56,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 22:28:56,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:28:56,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:28:56,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:28:56,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:28:56,086 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:28:56,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:28:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:28:56,241 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:28:56,244 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:28:56,391 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:28:56,428 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:28:56,428 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:28:56,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:28:56 BoogieIcfgContainer [2023-12-02 22:28:56,430 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:28:56,431 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:28:56,431 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:28:56,441 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:28:56,441 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:28:56" (1/1) ... [2023-12-02 22:28:56,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:28:56,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:56,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 22:28:56,506 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 22:28:56,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:28:56,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:56,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:28:56,648 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:28:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:28:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:28:56,751 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:28:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:28:56,784 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:28:56,806 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-02 22:28:56,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:28:56 ImpRootNode [2023-12-02 22:28:56,813 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:28:56,814 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:28:56,814 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:28:56,814 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:28:56,814 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:28:56" (3/4) ... [2023-12-02 22:28:56,816 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:28:56,817 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:28:56,818 INFO L158 Benchmark]: Toolchain (without parser) took 1831.88ms. Allocated memory was 134.2MB in the beginning and 203.4MB in the end (delta: 69.2MB). Free memory was 73.3MB in the beginning and 142.7MB in the end (delta: -69.4MB). Peak memory consumption was 786.5kB. Max. memory is 16.1GB. [2023-12-02 22:28:56,819 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 134.2MB. Free memory was 96.9MB in the beginning and 96.8MB in the end (delta: 28.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:28:56,819 INFO L158 Benchmark]: CACSL2BoogieTranslator took 931.11ms. Allocated memory was 134.2MB in the beginning and 203.4MB in the end (delta: 69.2MB). Free memory was 73.3MB in the beginning and 118.9MB in the end (delta: -45.7MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2023-12-02 22:28:56,820 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.89ms. Allocated memory is still 203.4MB. Free memory was 118.9MB in the beginning and 116.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:28:56,821 INFO L158 Benchmark]: Boogie Preprocessor took 27.41ms. Allocated memory is still 203.4MB. Free memory was 116.0MB in the beginning and 114.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:28:56,821 INFO L158 Benchmark]: RCFGBuilder took 424.46ms. Allocated memory is still 203.4MB. Free memory was 114.8MB in the beginning and 161.6MB in the end (delta: -46.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:28:56,822 INFO L158 Benchmark]: CodeCheck took 381.69ms. Allocated memory is still 203.4MB. Free memory was 161.6MB in the beginning and 143.8MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 22:28:56,823 INFO L158 Benchmark]: Witness Printer took 3.61ms. Allocated memory is still 203.4MB. Free memory was 143.8MB in the beginning and 142.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:28:56,827 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 1558]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1566. 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); [L1566] 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={2:0}] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={34:33}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_multiply_31_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR \read(data) [L1554] int dataCopy = data; [L1555] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, data={8857:0}, dataCopy=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, data={8857:0}, dataCopy=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, data={8857:0}, dataCopy=-1073741825, 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 0.14ms. Allocated memory is still 134.2MB. Free memory was 96.9MB in the beginning and 96.8MB in the end (delta: 28.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 931.11ms. Allocated memory was 134.2MB in the beginning and 203.4MB in the end (delta: 69.2MB). Free memory was 73.3MB in the beginning and 118.9MB in the end (delta: -45.7MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.89ms. Allocated memory is still 203.4MB. Free memory was 118.9MB in the beginning and 116.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.41ms. Allocated memory is still 203.4MB. Free memory was 116.0MB in the beginning and 114.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 424.46ms. Allocated memory is still 203.4MB. Free memory was 114.8MB in the beginning and 161.6MB in the end (delta: -46.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 381.69ms. Allocated memory is still 203.4MB. Free memory was 161.6MB in the beginning and 143.8MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.61ms. Allocated memory is still 203.4MB. Free memory was 143.8MB in the beginning and 142.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 22:28:56,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/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_00953aa5-087f-4339-acd1-2a862ad1ed94/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/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_00953aa5-087f-4339-acd1-2a862ad1ed94/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/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_00953aa5-087f-4339-acd1-2a862ad1ed94/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 608836522b55bd951c4052fdbb6fa13a2590f0ece6188ad67e1b0a5a33a58662 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:28:58,818 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:28:58,896 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 22:28:58,929 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:28:58,930 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:28:58,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:28:58,931 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:28:58,932 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:28:58,932 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:28:58,933 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:28:58,933 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:28:58,934 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:28:58,935 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:28:58,935 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:28:58,936 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:28:58,936 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:28:58,937 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:28:58,937 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:28:58,938 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:28:58,938 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:28:58,939 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:28:58,944 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:28:58,944 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:28:58,944 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:28:58,945 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:58,945 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:28:58,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:28:58,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:28:58,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:28:58,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:28:58,947 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:28:58,948 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:28:58,948 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:58,948 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:28:58,948 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:28:58,949 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:28:58,949 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_00953aa5-087f-4339-acd1-2a862ad1ed94/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 608836522b55bd951c4052fdbb6fa13a2590f0ece6188ad67e1b0a5a33a58662 [2023-12-02 22:28:59,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:28:59,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:28:59,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:28:59,275 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:28:59,276 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:28:59,277 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_31_bad.i [2023-12-02 22:29:02,075 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:29:02,412 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:29:02,412 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_31_bad.i [2023-12-02 22:29:02,434 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/bin/ukojak-verify-Qdu7aM0XO9/data/6a3bf0f7e/be7c93527f4b405c902001cce720e0a1/FLAG8d1fa8d2f [2023-12-02 22:29:02,446 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/bin/ukojak-verify-Qdu7aM0XO9/data/6a3bf0f7e/be7c93527f4b405c902001cce720e0a1 [2023-12-02 22:29:02,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:29:02,450 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:29:02,452 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:29:02,452 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:29:02,456 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:29:02,456 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:29:02" (1/1) ... [2023-12-02 22:29:02,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52a1b157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:29:02, skipping insertion in model container [2023-12-02 22:29:02,458 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:29:02" (1/1) ... [2023-12-02 22:29:02,511 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:29:03,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:29:03,250 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:29:03,343 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:29:03,489 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:29:03,489 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:29:03,489 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:29:03,489 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:29:03,495 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:29:03,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:29:03 WrapperNode [2023-12-02 22:29:03,496 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:29:03,496 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:29:03,497 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:29:03,497 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:29:03,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:29:03" (1/1) ... [2023-12-02 22:29:03,531 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:29:03" (1/1) ... [2023-12-02 22:29:03,555 INFO L138 Inliner]: procedures = 503, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2023-12-02 22:29:03,555 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:29:03,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:29:03,556 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:29:03,556 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:29:03,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:29:03" (1/1) ... [2023-12-02 22:29:03,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:29:03" (1/1) ... [2023-12-02 22:29:03,568 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:29:03" (1/1) ... [2023-12-02 22:29:03,569 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:29:03" (1/1) ... [2023-12-02 22:29:03,580 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:29:03" (1/1) ... [2023-12-02 22:29:03,582 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:29:03" (1/1) ... [2023-12-02 22:29:03,586 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:29:03" (1/1) ... [2023-12-02 22:29:03,588 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:29:03" (1/1) ... [2023-12-02 22:29:03,593 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:29:03,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:29:03,595 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:29:03,595 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:29:03,596 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:29:03" (1/1) ... [2023-12-02 22:29:03,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:29:03,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:29:03,629 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:29:03,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:29:03,664 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:29:03,665 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:29:03,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:29:03,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:29:03,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:29:03,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:29:03,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:29:03,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 22:29:03,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:29:03,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:29:03,666 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:29:03,822 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:29:03,825 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:29:03,981 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:29:04,022 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:29:04,022 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:29:04,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:29:04 BoogieIcfgContainer [2023-12-02 22:29:04,024 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:29:04,025 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:29:04,025 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:29:04,035 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:29:04,036 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:29:04" (1/1) ... [2023-12-02 22:29:04,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:29:04,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:04,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 22:29:04,101 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 22:29:04,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:29:04,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:04,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:29:04,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:29:04,108 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:29:04,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:29:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:29:04,304 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:29:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:29:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:29:04,492 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:29:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:29:04,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:29:04,566 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:29:04,588 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-02 22:29:04,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:29:04 ImpRootNode [2023-12-02 22:29:04,594 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:29:04,595 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:29:04,595 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:29:04,596 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:29:04,596 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:29:04" (3/4) ... [2023-12-02 22:29:04,598 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:29:04,599 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:29:04,600 INFO L158 Benchmark]: Toolchain (without parser) took 2149.57ms. Allocated memory is still 121.6MB. Free memory was 94.2MB in the beginning and 67.7MB in the end (delta: 26.5MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2023-12-02 22:29:04,600 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory is still 38.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:29:04,601 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1044.30ms. Allocated memory is still 121.6MB. Free memory was 94.2MB in the beginning and 61.7MB in the end (delta: 32.5MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2023-12-02 22:29:04,602 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.97ms. Allocated memory is still 121.6MB. Free memory was 61.7MB in the beginning and 58.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:29:04,602 INFO L158 Benchmark]: Boogie Preprocessor took 37.77ms. Allocated memory is still 121.6MB. Free memory was 58.3MB in the beginning and 56.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:29:04,603 INFO L158 Benchmark]: RCFGBuilder took 429.91ms. Allocated memory is still 121.6MB. Free memory was 56.2MB in the beginning and 85.8MB in the end (delta: -29.6MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-12-02 22:29:04,604 INFO L158 Benchmark]: CodeCheck took 569.39ms. Allocated memory is still 121.6MB. Free memory was 85.8MB in the beginning and 67.7MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 22:29:04,604 INFO L158 Benchmark]: Witness Printer took 4.11ms. Allocated memory is still 121.6MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:29:04,607 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 1558]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1566. 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); [L1566] 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={2:0}] [L1414] COND TRUE line != ((void *)0) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_multiply_31_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR \read(data) [L1554] int dataCopy = data; [L1555] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={7:0}, dataCopy=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={7:0}, dataCopy=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={7:0}, dataCopy=-2147483648, 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 0.18ms. Allocated memory is still 62.9MB. Free memory is still 38.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1044.30ms. Allocated memory is still 121.6MB. Free memory was 94.2MB in the beginning and 61.7MB in the end (delta: 32.5MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.97ms. Allocated memory is still 121.6MB. Free memory was 61.7MB in the beginning and 58.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.77ms. Allocated memory is still 121.6MB. Free memory was 58.3MB in the beginning and 56.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 429.91ms. Allocated memory is still 121.6MB. Free memory was 56.2MB in the beginning and 85.8MB in the end (delta: -29.6MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * CodeCheck took 569.39ms. Allocated memory is still 121.6MB. Free memory was 85.8MB in the beginning and 67.7MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.11ms. Allocated memory is still 121.6MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: 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 22:29:04,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00953aa5-087f-4339-acd1-2a862ad1ed94/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