./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_61_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_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/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_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/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_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/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 d1f05a99d5e06a7a614cbba82b73b3239afa97a5bf92383bf342924954e0c990 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:45:29,229 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:45:29,296 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 02:45:29,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:45:29,302 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:45:29,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:45:29,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:45:29,327 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:45:29,328 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:45:29,328 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:45:29,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:45:29,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:45:29,330 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:45:29,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:45:29,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:45:29,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:45:29,332 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:45:29,332 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:45:29,333 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:45:29,333 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:45:29,334 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:45:29,335 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:45:29,335 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:45:29,336 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:45:29,336 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:45:29,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:45:29,337 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:45:29,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:45:29,338 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:45:29,339 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:45:29,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:45:29,340 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:45:29,340 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_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1f05a99d5e06a7a614cbba82b73b3239afa97a5bf92383bf342924954e0c990 [2023-12-03 02:45:29,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:45:29,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:45:29,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:45:29,585 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:45:29,585 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:45:29,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_61_bad.i [2023-12-03 02:45:32,476 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:45:32,790 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:45:32,791 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_61_bad.i [2023-12-03 02:45:32,816 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/bin/ukojak-verify-Qdu7aM0XO9/data/b72ceb971/28a01eeeffdd4a298e2ee4f6ea37566f/FLAG9c38098c2 [2023-12-03 02:45:32,829 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/bin/ukojak-verify-Qdu7aM0XO9/data/b72ceb971/28a01eeeffdd4a298e2ee4f6ea37566f [2023-12-03 02:45:32,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:45:32,833 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:45:32,834 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:45:32,834 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:45:32,838 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:45:32,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:45:32" (1/1) ... [2023-12-03 02:45:32,840 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@428d71f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:32, skipping insertion in model container [2023-12-03 02:45:32,841 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:45:32" (1/1) ... [2023-12-03 02:45:32,898 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:45:33,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:45:33,650 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:45:33,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:45:33,840 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:45:33,840 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:45:33,840 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:45:33,841 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:45:33,846 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:45:33,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:33 WrapperNode [2023-12-03 02:45:33,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:45:33,848 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:45:33,848 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:45:33,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:45:33,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:33" (1/1) ... [2023-12-03 02:45:33,878 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:33" (1/1) ... [2023-12-03 02:45:33,903 INFO L138 Inliner]: procedures = 499, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2023-12-03 02:45:33,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:45:33,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:45:33,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:45:33,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:45:33,912 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:33" (1/1) ... [2023-12-03 02:45:33,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:33" (1/1) ... [2023-12-03 02:45:33,916 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:33" (1/1) ... [2023-12-03 02:45:33,916 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:33" (1/1) ... [2023-12-03 02:45:33,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:33" (1/1) ... [2023-12-03 02:45:33,925 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:33" (1/1) ... [2023-12-03 02:45:33,927 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:33" (1/1) ... [2023-12-03 02:45:33,928 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:33" (1/1) ... [2023-12-03 02:45:33,931 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:45:33,932 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:45:33,932 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:45:33,932 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:45:33,933 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:33" (1/1) ... [2023-12-03 02:45:33,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:45:33,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:45:33,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:45:33,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:45:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:45:34,004 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:45:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:45:34,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:45:34,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:45:34,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:45:34,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:45:34,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:45:34,005 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:45:34,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:45:34,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:45:34,170 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:45:34,172 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:45:34,279 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:45:34,324 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:45:34,324 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:45:34,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:45:34 BoogieIcfgContainer [2023-12-03 02:45:34,326 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:45:34,327 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:45:34,327 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:45:34,338 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:45:34,338 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:45:34" (1/1) ... [2023-12-03 02:45:34,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:45:34,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:34,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 02:45:34,397 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 02:45:34,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:45:34,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:34,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:45:34,538 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:45:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:45:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:45:34,644 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:45:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:45:34,679 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:45:34,700 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-03 02:45:34,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:45:34 ImpRootNode [2023-12-03 02:45:34,706 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:45:34,706 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:45:34,706 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:45:34,707 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:45:34,707 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:45:34" (3/4) ... [2023-12-03 02:45:34,709 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:45:34,710 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:45:34,710 INFO L158 Benchmark]: Toolchain (without parser) took 1877.43ms. Allocated memory is still 148.9MB. Free memory was 99.4MB in the beginning and 88.4MB in the end (delta: 11.0MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2023-12-03 02:45:34,711 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 111.1MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:45:34,711 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1013.11ms. Allocated memory is still 148.9MB. Free memory was 99.4MB in the beginning and 78.4MB in the end (delta: 20.9MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2023-12-03 02:45:34,712 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.75ms. Allocated memory is still 148.9MB. Free memory was 78.4MB in the beginning and 75.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:45:34,713 INFO L158 Benchmark]: Boogie Preprocessor took 26.94ms. Allocated memory is still 148.9MB. Free memory was 75.7MB in the beginning and 74.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:45:34,713 INFO L158 Benchmark]: RCFGBuilder took 394.36ms. Allocated memory is still 148.9MB. Free memory was 74.2MB in the beginning and 107.7MB in the end (delta: -33.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:45:34,714 INFO L158 Benchmark]: CodeCheck took 378.93ms. Allocated memory is still 148.9MB. Free memory was 107.7MB in the beginning and 88.7MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 02:45:34,714 INFO L158 Benchmark]: Witness Printer took 3.28ms. Allocated memory is still 148.9MB. Free memory was 88.7MB in the beginning and 88.4MB in the end (delta: 316.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:45:34,718 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: 1556]: 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 1563. 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); [L1563] 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) [L1563] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={12:16}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_fscanf_multiply_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_fscanf_multiply_61b_badSource(data) [L1571] EXPR \read(data) [L1571] return data; [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_fscanf_multiply_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_fscanf_multiply_61b_badSource(data) [L1554] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 111.1MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1013.11ms. Allocated memory is still 148.9MB. Free memory was 99.4MB in the beginning and 78.4MB in the end (delta: 20.9MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.75ms. Allocated memory is still 148.9MB. Free memory was 78.4MB in the beginning and 75.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.94ms. Allocated memory is still 148.9MB. Free memory was 75.7MB in the beginning and 74.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 394.36ms. Allocated memory is still 148.9MB. Free memory was 74.2MB in the beginning and 107.7MB in the end (delta: -33.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 378.93ms. Allocated memory is still 148.9MB. Free memory was 107.7MB in the beginning and 88.7MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 3.28ms. Allocated memory is still 148.9MB. Free memory was 88.7MB in the beginning and 88.4MB in the end (delta: 316.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet100 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 02:45:34,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/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_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/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_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/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_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/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 d1f05a99d5e06a7a614cbba82b73b3239afa97a5bf92383bf342924954e0c990 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:45:36,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:45:36,767 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 02:45:36,800 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:45:36,801 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:45:36,802 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:45:36,803 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:45:36,803 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:45:36,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:45:36,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:45:36,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:45:36,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:45:36,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:45:36,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:45:36,807 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:45:36,808 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:45:36,808 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:45:36,809 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:45:36,809 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:45:36,810 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:45:36,810 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:45:36,811 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:45:36,811 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:45:36,812 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:45:36,812 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:45:36,812 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:45:36,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:45:36,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:45:36,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:45:36,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:45:36,815 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:45:36,815 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:45:36,815 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:45:36,816 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:45:36,816 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:45:36,816 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:45:36,816 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_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1f05a99d5e06a7a614cbba82b73b3239afa97a5bf92383bf342924954e0c990 [2023-12-03 02:45:37,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:45:37,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:45:37,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:45:37,150 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:45:37,150 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:45:37,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_61_bad.i [2023-12-03 02:45:40,006 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:45:40,352 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:45:40,352 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_61_bad.i [2023-12-03 02:45:40,379 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/bin/ukojak-verify-Qdu7aM0XO9/data/270eab629/d84e7d6a66e045b7bc37fff25ba2f164/FLAG6b0fca38f [2023-12-03 02:45:40,393 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/bin/ukojak-verify-Qdu7aM0XO9/data/270eab629/d84e7d6a66e045b7bc37fff25ba2f164 [2023-12-03 02:45:40,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:45:40,397 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:45:40,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:45:40,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:45:40,404 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:45:40,405 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:45:40" (1/1) ... [2023-12-03 02:45:40,406 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3692397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:40, skipping insertion in model container [2023-12-03 02:45:40,406 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:45:40" (1/1) ... [2023-12-03 02:45:40,467 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:45:41,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:45:41,266 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:45:41,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:45:41,492 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:45:41,492 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:45:41,492 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:45:41,492 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:45:41,500 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:45:41,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:41 WrapperNode [2023-12-03 02:45:41,500 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:45:41,501 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:45:41,501 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:45:41,502 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:45:41,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:41" (1/1) ... [2023-12-03 02:45:41,537 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:41" (1/1) ... [2023-12-03 02:45:41,562 INFO L138 Inliner]: procedures = 504, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2023-12-03 02:45:41,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:45:41,563 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:45:41,563 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:45:41,563 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:45:41,572 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:41" (1/1) ... [2023-12-03 02:45:41,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:41" (1/1) ... [2023-12-03 02:45:41,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:41" (1/1) ... [2023-12-03 02:45:41,578 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:41" (1/1) ... [2023-12-03 02:45:41,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:41" (1/1) ... [2023-12-03 02:45:41,589 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:41" (1/1) ... [2023-12-03 02:45:41,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:41" (1/1) ... [2023-12-03 02:45:41,595 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:41" (1/1) ... [2023-12-03 02:45:41,600 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:45:41,600 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:45:41,601 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:45:41,601 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:45:41,602 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:41" (1/1) ... [2023-12-03 02:45:41,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:45:41,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:45:41,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:45:41,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:45:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:45:41,682 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:45:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:45:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:45:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:45:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:45:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:45:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:45:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:45:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:45:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:45:41,835 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:45:41,838 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:45:42,011 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:45:42,063 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:45:42,064 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:45:42,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:45:42 BoogieIcfgContainer [2023-12-03 02:45:42,066 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:45:42,067 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:45:42,067 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:45:42,079 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:45:42,079 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:45:42" (1/1) ... [2023-12-03 02:45:42,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:45:42,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:42,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 02:45:42,151 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 02:45:42,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:45:42,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:42,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:45:42,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:45:42,161 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:45:42,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:45:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:45:42,349 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:45:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:45:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:45:42,497 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:45:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:45:42,559 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:45:42,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:45:42,566 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:45:42,585 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet98 [2023-12-03 02:45:42,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:45:42 ImpRootNode [2023-12-03 02:45:42,594 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:45:42,595 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:45:42,595 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:45:42,595 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:45:42,596 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:45:42" (3/4) ... [2023-12-03 02:45:42,598 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:45:42,599 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:45:42,600 INFO L158 Benchmark]: Toolchain (without parser) took 2202.25ms. Allocated memory is still 127.9MB. Free memory was 100.7MB in the beginning and 87.2MB in the end (delta: 13.4MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2023-12-03 02:45:42,600 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 65.0MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 75.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:45:42,601 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1101.85ms. Allocated memory is still 127.9MB. Free memory was 100.7MB in the beginning and 70.4MB in the end (delta: 30.3MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. [2023-12-03 02:45:42,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.17ms. Allocated memory is still 127.9MB. Free memory was 70.4MB in the beginning and 67.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:45:42,602 INFO L158 Benchmark]: Boogie Preprocessor took 36.73ms. Allocated memory is still 127.9MB. Free memory was 67.5MB in the beginning and 65.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:45:42,603 INFO L158 Benchmark]: RCFGBuilder took 465.62ms. Allocated memory is still 127.9MB. Free memory was 65.4MB in the beginning and 48.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 02:45:42,603 INFO L158 Benchmark]: CodeCheck took 527.22ms. Allocated memory is still 127.9MB. Free memory was 48.1MB in the beginning and 87.2MB in the end (delta: -39.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:45:42,604 INFO L158 Benchmark]: Witness Printer took 4.11ms. Allocated memory is still 127.9MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:45:42,607 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s 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: 1556]: 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 1563. 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); [L1563] 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_fscanf_multiply_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_fscanf_multiply_61b_badSource(data) [L1571] EXPR \read(data) [L1571] return data; [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_fscanf_multiply_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_fscanf_multiply_61b_badSource(data) [L1554] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 65.0MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 75.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1101.85ms. Allocated memory is still 127.9MB. Free memory was 100.7MB in the beginning and 70.4MB in the end (delta: 30.3MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.17ms. Allocated memory is still 127.9MB. Free memory was 70.4MB in the beginning and 67.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.73ms. Allocated memory is still 127.9MB. Free memory was 67.5MB in the beginning and 65.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 465.62ms. Allocated memory is still 127.9MB. Free memory was 65.4MB in the beginning and 48.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 527.22ms. Allocated memory is still 127.9MB. Free memory was 48.1MB in the beginning and 87.2MB in the end (delta: -39.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.11ms. Allocated memory is still 127.9MB. Free memory is still 87.2MB. 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~nondet98 - 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 02:45:42,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77eb4e6e-c8cf-442c-94d1-c1f29cbdc91b/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