./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_13_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/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_6da415f9-d33a-4995-a7fb-14aaf442512a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/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_6da415f9-d33a-4995-a7fb-14aaf442512a/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 dc022e2de59fc9a68942db9ea96b95540bd9fac9a74b791462986c58799fed45 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:41:45,825 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:41:45,886 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 04:41:45,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:41:45,891 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:41:45,911 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:41:45,912 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:41:45,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:41:45,913 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:41:45,913 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:41:45,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:41:45,914 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:41:45,915 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:41:45,915 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:41:45,916 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:41:45,916 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:41:45,917 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:41:45,917 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:41:45,918 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:41:45,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:41:45,919 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:41:45,919 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:41:45,920 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:41:45,920 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:41:45,921 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:41:45,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:41:45,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:41:45,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:41:45,923 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:41:45,923 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:41:45,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:41:45,924 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:41:45,924 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_6da415f9-d33a-4995-a7fb-14aaf442512a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc022e2de59fc9a68942db9ea96b95540bd9fac9a74b791462986c58799fed45 [2023-12-03 04:41:46,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:41:46,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:41:46,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:41:46,169 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:41:46,169 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:41:46,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_13_bad.i [2023-12-03 04:41:48,903 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:41:49,211 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:41:49,212 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_13_bad.i [2023-12-03 04:41:49,236 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/bin/ukojak-verify-Qdu7aM0XO9/data/46ac47166/4eff7b3e972f4a4b9e3be9db60a00b90/FLAG13e9550a6 [2023-12-03 04:41:49,250 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/bin/ukojak-verify-Qdu7aM0XO9/data/46ac47166/4eff7b3e972f4a4b9e3be9db60a00b90 [2023-12-03 04:41:49,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:41:49,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:41:49,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:41:49,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:41:49,260 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:41:49,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:41:49" (1/1) ... [2023-12-03 04:41:49,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a3acecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:49, skipping insertion in model container [2023-12-03 04:41:49,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:41:49" (1/1) ... [2023-12-03 04:41:49,320 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:41:50,017 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:41:50,028 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:41:50,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:41:50,291 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:41:50,291 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:41:50,292 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:41:50,292 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:41:50,300 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:41:50,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:50 WrapperNode [2023-12-03 04:41:50,301 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:41:50,302 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:41:50,302 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:41:50,302 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:41:50,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:50" (1/1) ... [2023-12-03 04:41:50,334 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:50" (1/1) ... [2023-12-03 04:41:50,361 INFO L138 Inliner]: procedures = 498, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2023-12-03 04:41:50,361 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:41:50,362 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:41:50,362 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:41:50,362 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:41:50,371 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:50" (1/1) ... [2023-12-03 04:41:50,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:50" (1/1) ... [2023-12-03 04:41:50,374 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:50" (1/1) ... [2023-12-03 04:41:50,375 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:50" (1/1) ... [2023-12-03 04:41:50,381 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:50" (1/1) ... [2023-12-03 04:41:50,382 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:50" (1/1) ... [2023-12-03 04:41:50,384 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:50" (1/1) ... [2023-12-03 04:41:50,385 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:50" (1/1) ... [2023-12-03 04:41:50,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:41:50,388 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:41:50,388 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:41:50,388 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:41:50,389 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:50" (1/1) ... [2023-12-03 04:41:50,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:41:50,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:41:50,424 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:41:50,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:41:50,454 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:41:50,454 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:41:50,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:41:50,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:41:50,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:41:50,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:41:50,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:41:50,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:41:50,456 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:41:50,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:41:50,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:41:50,600 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:41:50,602 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:41:50,717 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:41:50,766 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:41:50,767 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:41:50,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:41:50 BoogieIcfgContainer [2023-12-03 04:41:50,768 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:41:50,769 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:41:50,769 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:41:50,777 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:41:50,777 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:41:50" (1/1) ... [2023-12-03 04:41:50,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:41:50,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:50,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 04:41:50,837 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 04:41:50,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:41:50,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:50,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:41:50,986 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:41:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:41:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:41:51,088 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:41:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:41:51,123 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:41:51,145 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet104 [2023-12-03 04:41:51,148 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-12-03 04:41:51,149 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-12-03 04:41:51,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:41:51 ImpRootNode [2023-12-03 04:41:51,153 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:41:51,154 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:41:51,154 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:41:51,154 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:41:51,155 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:41:50" (3/4) ... [2023-12-03 04:41:51,157 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:41:51,158 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:41:51,159 INFO L158 Benchmark]: Toolchain (without parser) took 1904.37ms. Allocated memory was 148.9MB in the beginning and 199.2MB in the end (delta: 50.3MB). Free memory was 99.1MB in the beginning and 105.7MB in the end (delta: -6.6MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2023-12-03 04:41:51,159 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 148.9MB. Free memory is still 117.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:41:51,160 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1045.41ms. Allocated memory was 148.9MB in the beginning and 199.2MB in the end (delta: 50.3MB). Free memory was 98.6MB in the beginning and 145.5MB in the end (delta: -46.9MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2023-12-03 04:41:51,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.63ms. Allocated memory is still 199.2MB. Free memory was 145.5MB in the beginning and 142.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:41:51,161 INFO L158 Benchmark]: Boogie Preprocessor took 25.60ms. Allocated memory is still 199.2MB. Free memory was 142.4MB in the beginning and 141.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:41:51,162 INFO L158 Benchmark]: RCFGBuilder took 380.24ms. Allocated memory is still 199.2MB. Free memory was 141.3MB in the beginning and 125.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 04:41:51,163 INFO L158 Benchmark]: CodeCheck took 384.11ms. Allocated memory is still 199.2MB. Free memory was 125.6MB in the beginning and 105.7MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 04:41:51,163 INFO L158 Benchmark]: Witness Printer took 4.06ms. Allocated memory is still 199.2MB. Free memory was 105.7MB in the beginning and 105.7MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:41:51,167 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: 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)=13, argc=13, argv={12:16}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_predec_13_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1556] COND TRUE GLOBAL_CONST_FIVE==5 [L1559] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={8369:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={8369:0}, 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 0.15ms. Allocated memory is still 148.9MB. Free memory is still 117.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1045.41ms. Allocated memory was 148.9MB in the beginning and 199.2MB in the end (delta: 50.3MB). Free memory was 98.6MB in the beginning and 145.5MB in the end (delta: -46.9MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.63ms. Allocated memory is still 199.2MB. Free memory was 145.5MB in the beginning and 142.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.60ms. Allocated memory is still 199.2MB. Free memory was 142.4MB in the beginning and 141.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 380.24ms. Allocated memory is still 199.2MB. Free memory was 141.3MB in the beginning and 125.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 384.11ms. Allocated memory is still 199.2MB. Free memory was 125.6MB in the beginning and 105.7MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.06ms. Allocated memory is still 199.2MB. Free memory was 105.7MB in the beginning and 105.7MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~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 [2023-12-03 04:41:51,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/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_6da415f9-d33a-4995-a7fb-14aaf442512a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/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_6da415f9-d33a-4995-a7fb-14aaf442512a/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 dc022e2de59fc9a68942db9ea96b95540bd9fac9a74b791462986c58799fed45 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:41:53,061 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:41:53,138 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 04:41:53,172 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:41:53,173 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:41:53,174 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:41:53,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:41:53,175 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:41:53,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:41:53,176 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:41:53,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:41:53,178 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:41:53,178 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:41:53,179 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:41:53,179 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:41:53,180 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:41:53,180 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:41:53,181 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:41:53,181 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:41:53,182 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:41:53,182 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:41:53,183 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:41:53,184 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:41:53,184 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:41:53,184 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:53,185 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:41:53,185 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:41:53,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:41:53,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:41:53,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:41:53,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:41:53,188 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:41:53,188 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:53,188 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:41:53,189 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:41:53,189 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:41:53,189 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_6da415f9-d33a-4995-a7fb-14aaf442512a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc022e2de59fc9a68942db9ea96b95540bd9fac9a74b791462986c58799fed45 [2023-12-03 04:41:53,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:41:53,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:41:53,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:41:53,527 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:41:53,528 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:41:53,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_13_bad.i [2023-12-03 04:41:56,300 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:41:56,621 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:41:56,621 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_13_bad.i [2023-12-03 04:41:56,644 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/bin/ukojak-verify-Qdu7aM0XO9/data/e8fe4c610/cffbc219c99b4988a35bec097d667ed8/FLAG89e87e671 [2023-12-03 04:41:56,657 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/bin/ukojak-verify-Qdu7aM0XO9/data/e8fe4c610/cffbc219c99b4988a35bec097d667ed8 [2023-12-03 04:41:56,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:41:56,662 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:41:56,663 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:41:56,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:41:56,667 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:41:56,668 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:41:56" (1/1) ... [2023-12-03 04:41:56,668 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fb89f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:56, skipping insertion in model container [2023-12-03 04:41:56,669 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:41:56" (1/1) ... [2023-12-03 04:41:56,720 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:41:57,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:41:57,501 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:41:57,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:41:57,732 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:41:57,732 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:41:57,732 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:41:57,733 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:41:57,740 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:41:57,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:57 WrapperNode [2023-12-03 04:41:57,740 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:41:57,741 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:41:57,741 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:41:57,741 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:41:57,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:57" (1/1) ... [2023-12-03 04:41:57,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:57" (1/1) ... [2023-12-03 04:41:57,802 INFO L138 Inliner]: procedures = 503, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2023-12-03 04:41:57,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:41:57,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:41:57,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:41:57,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:41:57,812 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:57" (1/1) ... [2023-12-03 04:41:57,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:57" (1/1) ... [2023-12-03 04:41:57,817 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:57" (1/1) ... [2023-12-03 04:41:57,817 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:57" (1/1) ... [2023-12-03 04:41:57,826 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:57" (1/1) ... [2023-12-03 04:41:57,828 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:57" (1/1) ... [2023-12-03 04:41:57,831 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:57" (1/1) ... [2023-12-03 04:41:57,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:57" (1/1) ... [2023-12-03 04:41:57,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:41:57,837 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:41:57,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:41:57,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:41:57,837 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:57" (1/1) ... [2023-12-03 04:41:57,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:41:57,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:41:57,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:41:57,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:41:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:41:57,895 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:41:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:41:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:41:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:41:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:41:57,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:41:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:41:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:41:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 04:41:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:41:58,046 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:41:58,048 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:41:58,199 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:41:58,243 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:41:58,243 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:41:58,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:41:58 BoogieIcfgContainer [2023-12-03 04:41:58,245 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:41:58,246 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:41:58,246 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:41:58,255 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:41:58,256 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:41:58" (1/1) ... [2023-12-03 04:41:58,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:41:58,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:58,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 04:41:58,319 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 04:41:58,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:41:58,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:58,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:58,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:58,326 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:58,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:41:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:41:58,526 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:41:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:41:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:41:58,715 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:41:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:41:58,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:41:58,793 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:41:58,815 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-03 04:41:58,818 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-12-03 04:41:58,818 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-12-03 04:41:58,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:41:58 ImpRootNode [2023-12-03 04:41:58,823 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:41:58,823 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:41:58,823 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:41:58,824 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:41:58,824 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:41:58" (3/4) ... [2023-12-03 04:41:58,826 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:41:58,827 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:41:58,828 INFO L158 Benchmark]: Toolchain (without parser) took 2166.46ms. Allocated memory is still 123.7MB. Free memory was 95.9MB in the beginning and 70.0MB in the end (delta: 26.0MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2023-12-03 04:41:58,829 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:41:58,829 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1077.57ms. Allocated memory is still 123.7MB. Free memory was 95.9MB in the beginning and 67.6MB in the end (delta: 28.4MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2023-12-03 04:41:58,830 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.84ms. Allocated memory is still 123.7MB. Free memory was 67.6MB in the beginning and 64.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:41:58,830 INFO L158 Benchmark]: Boogie Preprocessor took 32.60ms. Allocated memory is still 123.7MB. Free memory was 64.4MB in the beginning and 62.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:41:58,831 INFO L158 Benchmark]: RCFGBuilder took 408.78ms. Allocated memory is still 123.7MB. Free memory was 62.3MB in the beginning and 88.9MB in the end (delta: -26.6MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2023-12-03 04:41:58,832 INFO L158 Benchmark]: CodeCheck took 576.64ms. Allocated memory is still 123.7MB. Free memory was 88.9MB in the beginning and 70.7MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 04:41:58,832 INFO L158 Benchmark]: Witness Printer took 4.13ms. Allocated memory is still 123.7MB. Free memory was 70.7MB in the beginning and 70.0MB in the end (delta: 759.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:41:58,836 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 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: 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_predec_13_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1556] COND TRUE GLOBAL_CONST_FIVE==5 [L1559] 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] [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 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1077.57ms. Allocated memory is still 123.7MB. Free memory was 95.9MB in the beginning and 67.6MB in the end (delta: 28.4MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.84ms. Allocated memory is still 123.7MB. Free memory was 67.6MB in the beginning and 64.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.60ms. Allocated memory is still 123.7MB. Free memory was 64.4MB in the beginning and 62.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 408.78ms. Allocated memory is still 123.7MB. Free memory was 62.3MB in the beginning and 88.9MB in the end (delta: -26.6MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * CodeCheck took 576.64ms. Allocated memory is still 123.7MB. Free memory was 88.9MB in the beginning and 70.7MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.13ms. Allocated memory is still 123.7MB. Free memory was 70.7MB in the beginning and 70.0MB in the end (delta: 759.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet102 - GenericResult: Unfinished Backtranslation 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 [2023-12-03 04:41:58,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6da415f9-d33a-4995-a7fb-14aaf442512a/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