./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_07_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_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/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_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/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_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/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 fa5836aa0af18082c369b87af434906a3830fe9d29b8b61fdf47f6b10fed1171 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:47:26,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:47:26,556 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 22:47:26,561 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:47:26,561 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:47:26,583 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:47:26,584 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:47:26,585 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:47:26,586 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:47:26,586 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:47:26,587 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:47:26,587 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:47:26,588 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:47:26,589 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:47:26,589 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:47:26,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:47:26,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:47:26,591 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:47:26,591 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:47:26,592 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:47:26,592 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:47:26,593 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:47:26,593 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:47:26,594 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:47:26,594 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:47:26,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:47:26,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:47:26,596 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:47:26,596 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:47:26,596 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:47:26,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:47:26,597 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:47:26,597 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_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa5836aa0af18082c369b87af434906a3830fe9d29b8b61fdf47f6b10fed1171 [2023-12-02 22:47:26,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:47:26,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:47:26,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:47:26,862 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:47:26,862 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:47:26,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_07_bad.i [2023-12-02 22:47:29,583 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:47:29,891 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:47:29,892 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_07_bad.i [2023-12-02 22:47:29,917 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/bin/ukojak-verify-Qdu7aM0XO9/data/372b8acb5/04c424cc1ba14ef6955e465dca5dbaaf/FLAGeddb4fa13 [2023-12-02 22:47:29,932 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/bin/ukojak-verify-Qdu7aM0XO9/data/372b8acb5/04c424cc1ba14ef6955e465dca5dbaaf [2023-12-02 22:47:29,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:47:29,936 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:47:29,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:47:29,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:47:29,943 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:47:29,944 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:47:29" (1/1) ... [2023-12-02 22:47:29,945 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e93cfb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:29, skipping insertion in model container [2023-12-02 22:47:29,946 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:47:29" (1/1) ... [2023-12-02 22:47:30,032 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:47:30,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:47:30,838 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:47:30,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:47:31,083 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:47:31,083 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:47:31,083 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:47:31,084 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:47:31,089 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:47:31,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:31 WrapperNode [2023-12-02 22:47:31,090 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:47:31,091 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:47:31,091 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:47:31,091 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:47:31,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:31" (1/1) ... [2023-12-02 22:47:31,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:31" (1/1) ... [2023-12-02 22:47:31,145 INFO L138 Inliner]: procedures = 498, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2023-12-02 22:47:31,145 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:47:31,146 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:47:31,146 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:47:31,146 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:47:31,155 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:31" (1/1) ... [2023-12-02 22:47:31,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:31" (1/1) ... [2023-12-02 22:47:31,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:31" (1/1) ... [2023-12-02 22:47:31,159 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:31" (1/1) ... [2023-12-02 22:47:31,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:31" (1/1) ... [2023-12-02 22:47:31,167 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:31" (1/1) ... [2023-12-02 22:47:31,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:31" (1/1) ... [2023-12-02 22:47:31,170 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:31" (1/1) ... [2023-12-02 22:47:31,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:47:31,174 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:47:31,174 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:47:31,174 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:47:31,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:31" (1/1) ... [2023-12-02 22:47:31,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:47:31,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:47:31,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:47:31,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:47:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:47:31,236 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:47:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:47:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 22:47:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:47:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:47:31,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:47:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:47:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:47:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:47:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:47:31,356 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:47:31,358 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:47:31,475 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:47:31,519 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:47:31,519 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:47:31,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:47:31 BoogieIcfgContainer [2023-12-02 22:47:31,521 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:47:31,522 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:47:31,522 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:47:31,530 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:47:31,530 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:47:31" (1/1) ... [2023-12-02 22:47:31,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:47:31,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:31,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 22:47:31,586 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 22:47:31,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:47:31,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:31,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:47:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:47:31,720 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:47:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:47:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:47:31,824 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:47:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:47:31,856 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:47:31,876 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet104 [2023-12-02 22:47:31,878 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-12-02 22:47:31,878 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-12-02 22:47:31,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:47:31 ImpRootNode [2023-12-02 22:47:31,883 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:47:31,884 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:47:31,884 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:47:31,884 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:47:31,884 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:47:31" (3/4) ... [2023-12-02 22:47:31,886 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:47:31,887 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:47:31,889 INFO L158 Benchmark]: Toolchain (without parser) took 1951.95ms. Allocated memory is still 165.7MB. Free memory was 123.7MB in the beginning and 84.9MB in the end (delta: 38.9MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2023-12-02 22:47:31,889 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 102.8MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:47:31,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1152.42ms. Allocated memory is still 165.7MB. Free memory was 123.7MB in the beginning and 124.7MB in the end (delta: -968.0kB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. [2023-12-02 22:47:31,890 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.71ms. Allocated memory is still 165.7MB. Free memory was 124.7MB in the beginning and 122.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:47:31,891 INFO L158 Benchmark]: Boogie Preprocessor took 27.13ms. Allocated memory is still 165.7MB. Free memory was 122.3MB in the beginning and 120.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:47:31,892 INFO L158 Benchmark]: RCFGBuilder took 347.03ms. Allocated memory is still 165.7MB. Free memory was 120.5MB in the beginning and 105.5MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:47:31,892 INFO L158 Benchmark]: CodeCheck took 361.19ms. Allocated memory is still 165.7MB. Free memory was 105.5MB in the beginning and 85.8MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 22:47:31,893 INFO L158 Benchmark]: Witness Printer took 4.01ms. Allocated memory is still 165.7MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:47:31,896 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: 1560]: 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 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); [L1548] static int staticFive = 5; [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={2:0}, staticFive=5] [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)=12, argc=12, argv={14:18}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1570] CALL CWE191_Integer_Underflow__int_fscanf_predec_07_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE staticFive==5 [L1557] COND TRUE staticFive==5 [L1560] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={1144:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1560] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={1144:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 102.8MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1152.42ms. Allocated memory is still 165.7MB. Free memory was 123.7MB in the beginning and 124.7MB in the end (delta: -968.0kB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.71ms. Allocated memory is still 165.7MB. Free memory was 124.7MB in the beginning and 122.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.13ms. Allocated memory is still 165.7MB. Free memory was 122.3MB in the beginning and 120.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 347.03ms. Allocated memory is still 165.7MB. Free memory was 120.5MB in the beginning and 105.5MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 361.19ms. Allocated memory is still 165.7MB. Free memory was 105.5MB in the beginning and 85.8MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 4.01ms. Allocated memory is still 165.7MB. Free memory is still 84.9MB. 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~nondet104 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 22:47:31,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/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_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/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_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/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_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/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 fa5836aa0af18082c369b87af434906a3830fe9d29b8b61fdf47f6b10fed1171 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:47:33,822 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:47:33,894 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 22:47:33,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:47:33,928 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:47:33,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:47:33,930 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:47:33,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:47:33,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:47:33,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:47:33,932 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:47:33,932 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:47:33,933 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:47:33,933 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:47:33,934 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:47:33,934 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:47:33,935 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:47:33,935 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:47:33,936 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:47:33,936 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:47:33,937 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:47:33,937 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:47:33,938 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:47:33,938 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:47:33,939 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:33,939 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:47:33,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:47:33,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:47:33,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:47:33,941 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:47:33,941 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:47:33,941 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:47:33,942 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:33,942 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:47:33,942 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:47:33,942 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:47:33,943 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_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa5836aa0af18082c369b87af434906a3830fe9d29b8b61fdf47f6b10fed1171 [2023-12-02 22:47:34,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:47:34,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:47:34,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:47:34,270 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:47:34,271 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:47:34,272 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_07_bad.i [2023-12-02 22:47:37,117 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:47:37,435 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:47:37,436 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_07_bad.i [2023-12-02 22:47:37,458 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/bin/ukojak-verify-Qdu7aM0XO9/data/169570366/e3bdedbf2b1e4a9598a21a2731b4831e/FLAGd78668fa3 [2023-12-02 22:47:37,472 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/bin/ukojak-verify-Qdu7aM0XO9/data/169570366/e3bdedbf2b1e4a9598a21a2731b4831e [2023-12-02 22:47:37,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:47:37,476 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:47:37,478 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:47:37,478 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:47:37,483 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:47:37,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:47:37" (1/1) ... [2023-12-02 22:47:37,485 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@380e008d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:37, skipping insertion in model container [2023-12-02 22:47:37,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:47:37" (1/1) ... [2023-12-02 22:47:37,556 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:47:38,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:47:38,374 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:47:38,452 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:47:38,595 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:47:38,595 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:47:38,596 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:47:38,596 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:47:38,603 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:47:38,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:38 WrapperNode [2023-12-02 22:47:38,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:47:38,605 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:47:38,605 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:47:38,605 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:47:38,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:38" (1/1) ... [2023-12-02 22:47:38,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:38" (1/1) ... [2023-12-02 22:47:38,662 INFO L138 Inliner]: procedures = 503, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2023-12-02 22:47:38,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:47:38,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:47:38,663 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:47:38,664 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:47:38,670 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:38" (1/1) ... [2023-12-02 22:47:38,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:38" (1/1) ... [2023-12-02 22:47:38,674 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:38" (1/1) ... [2023-12-02 22:47:38,674 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:38" (1/1) ... [2023-12-02 22:47:38,682 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:38" (1/1) ... [2023-12-02 22:47:38,684 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:38" (1/1) ... [2023-12-02 22:47:38,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:38" (1/1) ... [2023-12-02 22:47:38,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:38" (1/1) ... [2023-12-02 22:47:38,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:47:38,692 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:47:38,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:47:38,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:47:38,693 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:38" (1/1) ... [2023-12-02 22:47:38,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:47:38,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:47:38,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:47:38,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:47:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:47:38,759 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:47:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:47:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:47:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:47:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:47:38,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:47:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 22:47:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:47:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:47:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:47:38,906 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:47:38,908 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:47:39,047 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:47:39,097 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:47:39,097 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:47:39,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:47:39 BoogieIcfgContainer [2023-12-02 22:47:39,099 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:47:39,100 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:47:39,100 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:47:39,107 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:47:39,107 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:47:39" (1/1) ... [2023-12-02 22:47:39,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:47:39,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:39,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 22:47:39,162 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 22:47:39,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:47:39,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:39,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:39,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:39,168 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:39,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:47:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:47:39,346 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:47:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:47:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:47:39,559 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:47:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:47:39,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:47:39,637 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:47:39,658 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-02 22:47:39,661 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-12-02 22:47:39,662 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-12-02 22:47:39,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:47:39 ImpRootNode [2023-12-02 22:47:39,666 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:47:39,667 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:47:39,667 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:47:39,667 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:47:39,668 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:47:39" (3/4) ... [2023-12-02 22:47:39,670 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:47:39,671 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:47:39,672 INFO L158 Benchmark]: Toolchain (without parser) took 2195.74ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 63.0MB in the beginning and 73.0MB in the end (delta: -10.0MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2023-12-02 22:47:39,673 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 65.0MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:47:39,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1126.45ms. Allocated memory is still 90.2MB. Free memory was 62.6MB in the beginning and 42.4MB in the end (delta: 20.3MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2023-12-02 22:47:39,674 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.80ms. Allocated memory is still 90.2MB. Free memory was 42.4MB in the beginning and 39.1MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:47:39,675 INFO L158 Benchmark]: Boogie Preprocessor took 27.68ms. Allocated memory is still 90.2MB. Free memory was 39.1MB in the beginning and 37.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:47:39,675 INFO L158 Benchmark]: RCFGBuilder took 407.23ms. Allocated memory is still 90.2MB. Free memory was 37.0MB in the beginning and 46.0MB in the end (delta: -9.0MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2023-12-02 22:47:39,676 INFO L158 Benchmark]: CodeCheck took 566.38ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 45.5MB in the beginning and 73.6MB in the end (delta: -28.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:47:39,676 INFO L158 Benchmark]: Witness Printer took 4.79ms. Allocated memory is still 109.1MB. Free memory was 73.6MB in the beginning and 73.0MB in the end (delta: 665.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:47:39,680 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: 1560]: 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 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); [L1548] static int staticFive = 5; [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={2:0}, staticFive=5] [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, staticFive=5] [L1570] CALL CWE191_Integer_Underflow__int_fscanf_predec_07_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE staticFive==5 [L1557] COND TRUE staticFive==5 [L1560] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1560] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 65.0MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1126.45ms. Allocated memory is still 90.2MB. Free memory was 62.6MB in the beginning and 42.4MB in the end (delta: 20.3MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.80ms. Allocated memory is still 90.2MB. Free memory was 42.4MB in the beginning and 39.1MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.68ms. Allocated memory is still 90.2MB. Free memory was 39.1MB in the beginning and 37.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 407.23ms. Allocated memory is still 90.2MB. Free memory was 37.0MB in the beginning and 46.0MB in the end (delta: -9.0MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * CodeCheck took 566.38ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 45.5MB in the beginning and 73.6MB in the end (delta: -28.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.79ms. Allocated memory is still 109.1MB. Free memory was 73.6MB in the beginning and 73.0MB in the end (delta: 665.6kB). 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 Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 22:47:39,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d283984-6e0f-4d27-9ff0-d6f6dfe4d8b3/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