./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_11_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_048a7177-3e79-4caf-8fff-02f79e3b5e6f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/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_048a7177-3e79-4caf-8fff-02f79e3b5e6f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/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_048a7177-3e79-4caf-8fff-02f79e3b5e6f/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 8cf264415de1fc35370addb0f6f0c0478532b2bff70df8689ee08805afbf16dc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:19:36,768 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:19:36,833 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 23:19:36,839 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:19:36,839 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:19:36,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:19:36,865 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:19:36,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:19:36,866 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:19:36,866 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:19:36,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:19:36,868 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:19:36,868 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:19:36,869 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:19:36,869 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:19:36,869 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:19:36,870 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:19:36,871 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:19:36,871 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:19:36,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:19:36,872 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:19:36,877 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:19:36,877 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:19:36,878 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:19:36,878 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:19:36,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:19:36,879 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:19:36,879 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:19:36,880 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:19:36,880 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:19:36,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:19:36,881 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:19:36,881 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_048a7177-3e79-4caf-8fff-02f79e3b5e6f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cf264415de1fc35370addb0f6f0c0478532b2bff70df8689ee08805afbf16dc [2023-12-02 23:19:37,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:19:37,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:19:37,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:19:37,125 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:19:37,126 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:19:37,127 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_11_bad.i [2023-12-02 23:19:39,879 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:19:40,167 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:19:40,168 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_11_bad.i [2023-12-02 23:19:40,190 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/bin/ukojak-verify-Qdu7aM0XO9/data/0ce21573b/3530800966b94f85864d58354cb31663/FLAGce8d7f5a4 [2023-12-02 23:19:40,204 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/bin/ukojak-verify-Qdu7aM0XO9/data/0ce21573b/3530800966b94f85864d58354cb31663 [2023-12-02 23:19:40,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:19:40,208 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:19:40,209 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:19:40,209 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:19:40,214 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:19:40,215 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:19:40" (1/1) ... [2023-12-02 23:19:40,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1852801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:40, skipping insertion in model container [2023-12-02 23:19:40,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:19:40" (1/1) ... [2023-12-02 23:19:40,274 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:19:40,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:19:40,985 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:19:41,065 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:19:41,248 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:19:41,248 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:19:41,248 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:19:41,249 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:19:41,257 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:19:41,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:41 WrapperNode [2023-12-02 23:19:41,257 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:19:41,258 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:19:41,259 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:19:41,259 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:19:41,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:41" (1/1) ... [2023-12-02 23:19:41,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:41" (1/1) ... [2023-12-02 23:19:41,311 INFO L138 Inliner]: procedures = 498, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2023-12-02 23:19:41,312 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:19:41,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:19:41,313 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:19:41,313 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:19:41,322 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:41" (1/1) ... [2023-12-02 23:19:41,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:41" (1/1) ... [2023-12-02 23:19:41,326 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:41" (1/1) ... [2023-12-02 23:19:41,326 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:41" (1/1) ... [2023-12-02 23:19:41,340 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:41" (1/1) ... [2023-12-02 23:19:41,344 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:41" (1/1) ... [2023-12-02 23:19:41,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:41" (1/1) ... [2023-12-02 23:19:41,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:41" (1/1) ... [2023-12-02 23:19:41,351 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:19:41,352 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:19:41,352 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:19:41,353 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:19:41,353 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:41" (1/1) ... [2023-12-02 23:19:41,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:19:41,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:19:41,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:19:41,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:19:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:19:41,441 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:19:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2023-12-02 23:19:41,441 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2023-12-02 23:19:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:19:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:19:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:19:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:19:41,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:19:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:19:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:19:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:19:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:19:41,603 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:19:41,605 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:19:41,716 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:19:41,759 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:19:41,759 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:19:41,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:19:41 BoogieIcfgContainer [2023-12-02 23:19:41,760 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:19:41,761 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:19:41,761 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:19:41,771 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:19:41,771 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:19:41" (1/1) ... [2023-12-02 23:19:41,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:19:41,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:41,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2023-12-02 23:19:41,839 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2023-12-02 23:19:41,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:19:41,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:41,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:19:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:19:41,990 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:19:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:19:42,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:19:42,105 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:19:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:19:42,148 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 23:19:42,172 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet106 [2023-12-02 23:19:42,176 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret98 could not be translated [2023-12-02 23:19:42,177 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret101 could not be translated [2023-12-02 23:19:42,177 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post103 could not be translated [2023-12-02 23:19:42,177 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-12-02 23:19:42,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:19:42 ImpRootNode [2023-12-02 23:19:42,182 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:19:42,183 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:19:42,183 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:19:42,183 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:19:42,183 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:19:41" (3/4) ... [2023-12-02 23:19:42,186 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:19:42,187 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:19:42,188 INFO L158 Benchmark]: Toolchain (without parser) took 1979.64ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 93.6MB in the beginning and 79.7MB in the end (delta: 13.8MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2023-12-02 23:19:42,188 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 140.5MB. Free memory was 110.5MB in the beginning and 110.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:19:42,189 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1048.72ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 93.1MB in the beginning and 120.6MB in the end (delta: -27.5MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2023-12-02 23:19:42,190 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.54ms. Allocated memory is still 172.0MB. Free memory was 120.6MB in the beginning and 117.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:19:42,190 INFO L158 Benchmark]: Boogie Preprocessor took 38.98ms. Allocated memory is still 172.0MB. Free memory was 117.6MB in the beginning and 116.6MB in the end (delta: 940.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:19:42,191 INFO L158 Benchmark]: RCFGBuilder took 408.34ms. Allocated memory is still 172.0MB. Free memory was 116.6MB in the beginning and 100.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 23:19:42,191 INFO L158 Benchmark]: CodeCheck took 420.80ms. Allocated memory is still 172.0MB. Free memory was 100.8MB in the beginning and 79.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 23:19:42,192 INFO L158 Benchmark]: Witness Printer took 4.05ms. Allocated memory is still 172.0MB. Free memory was 79.8MB in the beginning and 79.7MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:19:42,196 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 3 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 15 NumberOfCodeBlocks, 15 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: 1559]: 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 1568. 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); [L1568] 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) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={14:16}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_postdec_11_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5855:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5855:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1556] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5855:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1559] EXPR \read(data) [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5855:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 140.5MB. Free memory was 110.5MB in the beginning and 110.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1048.72ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 93.1MB in the beginning and 120.6MB in the end (delta: -27.5MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.54ms. Allocated memory is still 172.0MB. Free memory was 120.6MB in the beginning and 117.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.98ms. Allocated memory is still 172.0MB. Free memory was 117.6MB in the beginning and 116.6MB in the end (delta: 940.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 408.34ms. Allocated memory is still 172.0MB. Free memory was 116.6MB in the beginning and 100.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 420.80ms. Allocated memory is still 172.0MB. Free memory was 100.8MB in the beginning and 79.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 4.05ms. Allocated memory is still 172.0MB. Free memory was 79.8MB in the beginning and 79.7MB in the end (delta: 2.6kB). 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~nondet106 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 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 23:19:42,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/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_048a7177-3e79-4caf-8fff-02f79e3b5e6f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/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_048a7177-3e79-4caf-8fff-02f79e3b5e6f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/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_048a7177-3e79-4caf-8fff-02f79e3b5e6f/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 8cf264415de1fc35370addb0f6f0c0478532b2bff70df8689ee08805afbf16dc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:19:44,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:19:44,240 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 23:19:44,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:19:44,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:19:44,273 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:19:44,273 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:19:44,274 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:19:44,274 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:19:44,275 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:19:44,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:19:44,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:19:44,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:19:44,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:19:44,278 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:19:44,278 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:19:44,278 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:19:44,279 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:19:44,279 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:19:44,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:19:44,280 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:19:44,283 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:19:44,283 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:19:44,284 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:19:44,284 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:44,285 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:19:44,285 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:19:44,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:19:44,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:19:44,286 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:19:44,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:19:44,287 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:19:44,287 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:44,287 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:19:44,288 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:19:44,288 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:19:44,288 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_048a7177-3e79-4caf-8fff-02f79e3b5e6f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cf264415de1fc35370addb0f6f0c0478532b2bff70df8689ee08805afbf16dc [2023-12-02 23:19:44,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:19:44,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:19:44,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:19:44,594 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:19:44,594 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:19:44,595 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_11_bad.i [2023-12-02 23:19:47,294 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:19:47,614 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:19:47,615 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_11_bad.i [2023-12-02 23:19:47,637 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/bin/ukojak-verify-Qdu7aM0XO9/data/d02425e1a/1bcb0976abe74abea7a222fbbf9ef1b4/FLAG34b41cb8d [2023-12-02 23:19:47,652 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/bin/ukojak-verify-Qdu7aM0XO9/data/d02425e1a/1bcb0976abe74abea7a222fbbf9ef1b4 [2023-12-02 23:19:47,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:19:47,656 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:19:47,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:19:47,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:19:47,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:19:47,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:19:47" (1/1) ... [2023-12-02 23:19:47,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62559d1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:47, skipping insertion in model container [2023-12-02 23:19:47,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:19:47" (1/1) ... [2023-12-02 23:19:47,723 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:19:48,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:19:48,713 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:19:48,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:19:48,912 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:19:48,912 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:19:48,913 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:19:48,913 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:19:48,918 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:19:48,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:48 WrapperNode [2023-12-02 23:19:48,919 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:19:48,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:19:48,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:19:48,920 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:19:48,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:48" (1/1) ... [2023-12-02 23:19:48,954 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:48" (1/1) ... [2023-12-02 23:19:48,977 INFO L138 Inliner]: procedures = 503, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2023-12-02 23:19:48,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:19:48,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:19:48,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:19:48,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:19:48,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:48" (1/1) ... [2023-12-02 23:19:48,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:48" (1/1) ... [2023-12-02 23:19:48,990 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:48" (1/1) ... [2023-12-02 23:19:48,990 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:48" (1/1) ... [2023-12-02 23:19:48,999 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:48" (1/1) ... [2023-12-02 23:19:49,001 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:48" (1/1) ... [2023-12-02 23:19:49,005 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:48" (1/1) ... [2023-12-02 23:19:49,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:48" (1/1) ... [2023-12-02 23:19:49,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:19:49,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:19:49,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:19:49,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:19:49,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:48" (1/1) ... [2023-12-02 23:19:49,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:19:49,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:19:49,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:19:49,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:19:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:19:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:19:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2023-12-02 23:19:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2023-12-02 23:19:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:19:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:19:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:19:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:19:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:19:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:19:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:19:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:19:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:19:49,211 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:19:49,213 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:19:49,346 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:19:49,388 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:19:49,388 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:19:49,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:19:49 BoogieIcfgContainer [2023-12-02 23:19:49,390 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:19:49,391 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:19:49,391 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:19:49,398 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:19:49,398 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:19:49" (1/1) ... [2023-12-02 23:19:49,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:19:49,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:49,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2023-12-02 23:19:49,452 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2023-12-02 23:19:49,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:19:49,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:49,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:49,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:49,473 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:49,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:19:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:19:49,682 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:19:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:19:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:19:49,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:19:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:19:49,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:19:49,973 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 23:19:49,996 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet104 [2023-12-02 23:19:49,999 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret96 could not be translated [2023-12-02 23:19:49,999 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret99 could not be translated [2023-12-02 23:19:50,000 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post101 could not be translated [2023-12-02 23:19:50,000 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-12-02 23:19:50,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:19:50 ImpRootNode [2023-12-02 23:19:50,004 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:19:50,005 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:19:50,005 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:19:50,005 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:19:50,006 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:19:49" (3/4) ... [2023-12-02 23:19:50,008 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:19:50,009 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:19:50,009 INFO L158 Benchmark]: Toolchain (without parser) took 2353.12ms. Allocated memory is still 107.0MB. Free memory was 80.0MB in the beginning and 65.3MB in the end (delta: 14.7MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2023-12-02 23:19:50,010 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 73.4MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:19:50,010 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1261.33ms. Allocated memory is still 107.0MB. Free memory was 80.0MB in the beginning and 74.2MB in the end (delta: 5.8MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2023-12-02 23:19:50,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.15ms. Allocated memory is still 107.0MB. Free memory was 73.6MB in the beginning and 71.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:19:50,012 INFO L158 Benchmark]: Boogie Preprocessor took 31.91ms. Allocated memory is still 107.0MB. Free memory was 71.0MB in the beginning and 68.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:19:50,012 INFO L158 Benchmark]: RCFGBuilder took 378.91ms. Allocated memory is still 107.0MB. Free memory was 68.9MB in the beginning and 51.7MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 23:19:50,013 INFO L158 Benchmark]: CodeCheck took 613.71ms. Allocated memory is still 107.0MB. Free memory was 51.7MB in the beginning and 65.3MB in the end (delta: -13.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:19:50,013 INFO L158 Benchmark]: Witness Printer took 4.11ms. Allocated memory is still 107.0MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:19:50,016 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 3 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 14 NumberOfCodeBlocks, 14 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: 1559]: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_postdec_11_bad() [L1550] int data; [L1551] data = 0 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] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() 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] [L1552] COND TRUE globalReturnsTrue() [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1556] RET globalReturnsTrue() 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] [L1556] COND TRUE globalReturnsTrue() [L1559] EXPR \read(data) [L1559] 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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 73.4MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1261.33ms. Allocated memory is still 107.0MB. Free memory was 80.0MB in the beginning and 74.2MB in the end (delta: 5.8MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.15ms. Allocated memory is still 107.0MB. Free memory was 73.6MB in the beginning and 71.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.91ms. Allocated memory is still 107.0MB. Free memory was 71.0MB in the beginning and 68.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 378.91ms. Allocated memory is still 107.0MB. Free memory was 68.9MB in the beginning and 51.7MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 613.71ms. Allocated memory is still 107.0MB. Free memory was 51.7MB in the beginning and 65.3MB in the end (delta: -13.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.11ms. Allocated memory is still 107.0MB. Free memory is still 65.3MB. 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~ret96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post101 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 23:19:50,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048a7177-3e79-4caf-8fff-02f79e3b5e6f/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