./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi --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 fb07d69efddb97c2a5ae880bf2a6e91d21e4820575d9ecaa5c1e435c150454ce --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:08:38,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:08:38,688 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:08:38,693 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:08:38,694 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:08:38,722 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:08:38,723 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:08:38,724 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:08:38,725 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:08:38,730 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:08:38,732 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:08:38,732 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:08:38,733 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:08:38,734 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:08:38,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:08:38,735 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:08:38,736 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:08:38,736 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:08:38,737 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:08:38,737 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:08:38,738 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:08:38,739 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:08:38,740 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:08:38,740 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:08:38,740 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:08:38,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:38,741 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:08:38,742 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:08:38,742 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:08:38,743 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:08:38,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:08:38,745 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:08:38,745 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_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb07d69efddb97c2a5ae880bf2a6e91d21e4820575d9ecaa5c1e435c150454ce [2023-11-24 23:08:39,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:08:39,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:08:39,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:08:39,130 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:08:39,131 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:08:39,132 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i [2023-11-24 23:08:42,172 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:08:42,610 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:08:42,611 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i [2023-11-24 23:08:42,647 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/data/000c36dfa/f88c26ced4044b77bab6ba3e9886f3a5/FLAG70473f61e [2023-11-24 23:08:42,666 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/data/000c36dfa/f88c26ced4044b77bab6ba3e9886f3a5 [2023-11-24 23:08:42,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:08:42,673 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:08:42,677 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:42,678 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:08:42,683 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:08:42,686 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:42" (1/1) ... [2023-11-24 23:08:42,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a7ade9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:42, skipping insertion in model container [2023-11-24 23:08:42,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:42" (1/1) ... [2023-11-24 23:08:42,772 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:08:43,813 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:43,824 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:08:43,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:44,148 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:44,148 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:44,149 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:44,149 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:44,157 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:08:44,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:44 WrapperNode [2023-11-24 23:08:44,158 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:44,159 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:44,159 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:08:44,159 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:08:44,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:44" (1/1) ... [2023-11-24 23:08:44,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:44" (1/1) ... [2023-11-24 23:08:44,249 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 51 [2023-11-24 23:08:44,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:44,250 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:08:44,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:08:44,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:08:44,261 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:44" (1/1) ... [2023-11-24 23:08:44,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:44" (1/1) ... [2023-11-24 23:08:44,276 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:44" (1/1) ... [2023-11-24 23:08:44,282 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:44" (1/1) ... [2023-11-24 23:08:44,287 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:44" (1/1) ... [2023-11-24 23:08:44,289 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:44" (1/1) ... [2023-11-24 23:08:44,291 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:44" (1/1) ... [2023-11-24 23:08:44,293 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:44" (1/1) ... [2023-11-24 23:08:44,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:08:44,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:08:44,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:08:44,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:08:44,298 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:44" (1/1) ... [2023-11-24 23:08:44,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:44,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:08:44,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:08:44,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:08:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:08:44,384 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:08:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:08:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:08:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:08:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:08:44,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:08:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:08:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:08:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:08:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:08:44,541 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:08:44,543 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:08:44,665 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:08:44,711 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:08:44,711 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:08:44,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:44 BoogieIcfgContainer [2023-11-24 23:08:44,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:08:44,714 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:08:44,714 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:08:44,747 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:08:44,748 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:44" (1/1) ... [2023-11-24 23:08:44,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:08:44,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:44,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:08:44,817 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:08:44,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:08:44,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:44,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:45,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:08:45,002 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:08:45,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:08:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:08:45,195 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:08:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:08:45,229 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:08:45,251 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-11-24 23:08:45,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:08:45 ImpRootNode [2023-11-24 23:08:45,257 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:08:45,258 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:08:45,258 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:08:45,259 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:08:45,259 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:44" (3/4) ... [2023-11-24 23:08:45,261 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:08:45,263 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:08:45,264 INFO L158 Benchmark]: Toolchain (without parser) took 2590.82ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 83.0MB in the beginning and 119.6MB in the end (delta: -36.5MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2023-11-24 23:08:45,264 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:08:45,265 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1480.89ms. Allocated memory is still 130.0MB. Free memory was 83.0MB in the beginning and 67.0MB in the end (delta: 16.1MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2023-11-24 23:08:45,266 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.90ms. Allocated memory is still 130.0MB. Free memory was 67.0MB in the beginning and 64.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:08:45,267 INFO L158 Benchmark]: Boogie Preprocessor took 45.75ms. Allocated memory is still 130.0MB. Free memory was 64.1MB in the beginning and 62.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:08:45,267 INFO L158 Benchmark]: RCFGBuilder took 416.43ms. Allocated memory is still 130.0MB. Free memory was 62.6MB in the beginning and 48.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:08:45,268 INFO L158 Benchmark]: CodeCheck took 543.49ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 48.2MB in the beginning and 119.6MB in the end (delta: -71.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:08:45,269 INFO L158 Benchmark]: Witness Printer took 4.70ms. Allocated memory is still 172.0MB. Free memory is still 119.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:08:45,272 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, 12 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, 6 NumberOfCodeBlocks, 6 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: 1572]: 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 1559. 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); [L1559] 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) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_52_bad() [L1551] int data; [L1552] data = 0 [L1554] EXPR \read(data) [L1554] CALL CWE191_Integer_Underflow__int_fscanf_sub_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_sub_52c_badSink(data) [L1572] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, 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 0.27ms. Allocated memory is still 130.0MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1480.89ms. Allocated memory is still 130.0MB. Free memory was 83.0MB in the beginning and 67.0MB in the end (delta: 16.1MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.90ms. Allocated memory is still 130.0MB. Free memory was 67.0MB in the beginning and 64.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.75ms. Allocated memory is still 130.0MB. Free memory was 64.1MB in the beginning and 62.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 416.43ms. Allocated memory is still 130.0MB. Free memory was 62.6MB in the beginning and 48.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 543.49ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 48.2MB in the beginning and 119.6MB in the end (delta: -71.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.70ms. Allocated memory is still 172.0MB. Free memory is still 119.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet102 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:08:45,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi --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 fb07d69efddb97c2a5ae880bf2a6e91d21e4820575d9ecaa5c1e435c150454ce --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:08:47,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:08:47,952 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:08:48,007 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:08:48,008 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:08:48,009 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:08:48,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:08:48,011 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:08:48,012 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:08:48,017 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:08:48,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:08:48,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:08:48,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:08:48,020 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:08:48,020 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:08:48,020 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:08:48,021 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:08:48,021 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:08:48,022 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:08:48,022 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:08:48,022 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:08:48,023 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:08:48,024 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:08:48,024 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:08:48,025 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:08:48,025 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:08:48,026 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:08:48,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:48,027 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:08:48,027 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:08:48,028 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:08:48,029 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:08:48,029 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:08:48,030 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:08:48,030 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:08:48,030 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:08:48,030 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_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb07d69efddb97c2a5ae880bf2a6e91d21e4820575d9ecaa5c1e435c150454ce [2023-11-24 23:08:48,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:08:48,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:08:48,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:08:48,461 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:08:48,462 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:08:48,463 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i [2023-11-24 23:08:51,605 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:08:52,145 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:08:52,146 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i [2023-11-24 23:08:52,173 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/data/3df6c8d21/1539b46818fc4cb1ad12d7895299b2d8/FLAGe9c0adfa9 [2023-11-24 23:08:52,189 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/data/3df6c8d21/1539b46818fc4cb1ad12d7895299b2d8 [2023-11-24 23:08:52,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:08:52,193 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:08:52,195 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:52,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:08:52,200 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:08:52,201 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:52" (1/1) ... [2023-11-24 23:08:52,202 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72f69773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:52, skipping insertion in model container [2023-11-24 23:08:52,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:52" (1/1) ... [2023-11-24 23:08:52,271 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:08:53,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:53,333 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:08:53,435 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:53,620 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:53,620 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:53,620 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:53,620 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:53,656 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:08:53,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:53 WrapperNode [2023-11-24 23:08:53,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:53,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:53,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:08:53,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:08:53,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:53" (1/1) ... [2023-11-24 23:08:53,720 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:53" (1/1) ... [2023-11-24 23:08:53,760 INFO L138 Inliner]: procedures = 505, calls = 62, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 50 [2023-11-24 23:08:53,761 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:53,762 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:08:53,762 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:08:53,763 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:08:53,773 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:53" (1/1) ... [2023-11-24 23:08:53,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:53" (1/1) ... [2023-11-24 23:08:53,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:53" (1/1) ... [2023-11-24 23:08:53,793 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:53" (1/1) ... [2023-11-24 23:08:53,810 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:53" (1/1) ... [2023-11-24 23:08:53,820 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:53" (1/1) ... [2023-11-24 23:08:53,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:53" (1/1) ... [2023-11-24 23:08:53,833 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:53" (1/1) ... [2023-11-24 23:08:53,838 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:08:53,849 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:08:53,849 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:08:53,849 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:08:53,850 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:53" (1/1) ... [2023-11-24 23:08:53,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:53,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:08:53,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:08:53,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:08:53,913 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:08:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:08:53,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:08:53,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:08:53,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:08:53,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:08:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:08:53,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:08:53,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:08:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:08:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:08:54,101 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:08:54,103 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:08:54,340 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:08:54,417 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:08:54,418 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:08:54,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:54 BoogieIcfgContainer [2023-11-24 23:08:54,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:08:54,422 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:08:54,422 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:08:54,432 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:08:54,432 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:54" (1/1) ... [2023-11-24 23:08:54,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:08:54,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:54,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:08:54,522 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:08:54,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:08:54,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:54,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:08:54,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:08:54,534 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:08:54,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:08:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:08:54,790 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:08:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:08:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:08:55,014 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:08:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:08:55,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:08:55,110 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:08:55,140 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-11-24 23:08:55,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:08:55 ImpRootNode [2023-11-24 23:08:55,146 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:08:55,148 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:08:55,148 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:08:55,149 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:08:55,149 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:54" (3/4) ... [2023-11-24 23:08:55,151 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:08:55,152 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:08:55,153 INFO L158 Benchmark]: Toolchain (without parser) took 2959.65ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 43.5MB in the beginning and 42.3MB in the end (delta: 1.2MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2023-11-24 23:08:55,153 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:08:55,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1462.79ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 43.3MB in the beginning and 82.1MB in the end (delta: -38.8MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2023-11-24 23:08:55,155 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.36ms. Allocated memory is still 109.1MB. Free memory was 82.1MB in the beginning and 79.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:08:55,156 INFO L158 Benchmark]: Boogie Preprocessor took 86.09ms. Allocated memory is still 109.1MB. Free memory was 79.4MB in the beginning and 77.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:08:55,156 INFO L158 Benchmark]: RCFGBuilder took 572.39ms. Allocated memory is still 109.1MB. Free memory was 77.3MB in the beginning and 60.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:08:55,157 INFO L158 Benchmark]: CodeCheck took 724.90ms. Allocated memory is still 109.1MB. Free memory was 60.5MB in the beginning and 43.0MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:08:55,157 INFO L158 Benchmark]: Witness Printer took 4.19ms. Allocated memory is still 109.1MB. Free memory was 43.0MB in the beginning and 42.3MB in the end (delta: 684.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:08:55,161 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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: 1572]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_52_bad() [L1551] int data; [L1552] data = 0 [L1554] EXPR \read(data) [L1554] CALL CWE191_Integer_Underflow__int_fscanf_sub_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_sub_52c_badSink(data) [L1572] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, 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 0.36ms. Allocated memory is still 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1462.79ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 43.3MB in the beginning and 82.1MB in the end (delta: -38.8MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.36ms. Allocated memory is still 109.1MB. Free memory was 82.1MB in the beginning and 79.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.09ms. Allocated memory is still 109.1MB. Free memory was 79.4MB in the beginning and 77.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 572.39ms. Allocated memory is still 109.1MB. Free memory was 77.3MB in the beginning and 60.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 724.90ms. Allocated memory is still 109.1MB. Free memory was 60.5MB in the beginning and 43.0MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.19ms. Allocated memory is still 109.1MB. Free memory was 43.0MB in the beginning and 42.3MB in the end (delta: 684.0kB). 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 [2023-11-24 23:08:55,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ba59d3-918d-41d5-b092-e5d533fd39b7/bin/ukojak-verify-afCqCEvfdi/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample