./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_68_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_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/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_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/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_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/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 dd53927551223037d87dfedf7e8f90f8740ee3e7629975b1d046fc1a64ec5564 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:55:00,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:55:01,116 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:55:01,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:55:01,128 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:55:01,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:55:01,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:55:01,181 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:55:01,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:55:01,188 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:55:01,189 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:55:01,190 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:55:01,190 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:55:01,192 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:55:01,193 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:55:01,193 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:55:01,194 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:55:01,194 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:55:01,195 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:55:01,195 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:55:01,196 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:55:01,197 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:55:01,198 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:55:01,198 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:55:01,199 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:55:01,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:01,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:55:01,200 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:55:01,200 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:55:01,201 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:55:01,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:55:01,203 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:55:01,203 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_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd53927551223037d87dfedf7e8f90f8740ee3e7629975b1d046fc1a64ec5564 [2023-11-24 22:55:01,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:55:01,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:55:01,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:55:01,577 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:55:01,577 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:55:01,579 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_68_bad.i [2023-11-24 22:55:04,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:55:05,155 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:55:05,156 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_68_bad.i [2023-11-24 22:55:05,191 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/bin/ukojak-verify-afCqCEvfdi/data/ef5091d97/db1a66573cee4f94bde0d40b1f866d2f/FLAG5a77a38e7 [2023-11-24 22:55:05,214 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/bin/ukojak-verify-afCqCEvfdi/data/ef5091d97/db1a66573cee4f94bde0d40b1f866d2f [2023-11-24 22:55:05,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:55:05,224 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:55:05,228 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:05,229 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:55:05,234 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:55:05,235 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:05" (1/1) ... [2023-11-24 22:55:05,236 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fc2175a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:05, skipping insertion in model container [2023-11-24 22:55:05,237 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:05" (1/1) ... [2023-11-24 22:55:05,325 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:06,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:06,366 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:06,482 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:06,673 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:06,673 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:06,673 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:06,674 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:06,681 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:06,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:06 WrapperNode [2023-11-24 22:55:06,683 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:06,684 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:06,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:06,685 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:06,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:06" (1/1) ... [2023-11-24 22:55:06,738 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:06" (1/1) ... [2023-11-24 22:55:06,790 INFO L138 Inliner]: procedures = 499, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2023-11-24 22:55:06,796 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:06,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:06,797 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:06,797 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:06,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:06" (1/1) ... [2023-11-24 22:55:06,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:06" (1/1) ... [2023-11-24 22:55:06,816 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:06" (1/1) ... [2023-11-24 22:55:06,817 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:06" (1/1) ... [2023-11-24 22:55:06,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:06" (1/1) ... [2023-11-24 22:55:06,847 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:06" (1/1) ... [2023-11-24 22:55:06,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:06" (1/1) ... [2023-11-24 22:55:06,859 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:06" (1/1) ... [2023-11-24 22:55:06,862 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:06,866 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:06,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:06,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:06,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:06" (1/1) ... [2023-11-24 22:55:06,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:06,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:06,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:06,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:06,944 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:55:06,944 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:55:06,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:55:06,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:55:06,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:06,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:06,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:06,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:55:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:55:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:55:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:55:07,108 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:07,110 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:55:07,226 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:07,289 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:55:07,289 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:55:07,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:07 BoogieIcfgContainer [2023-11-24 22:55:07,291 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:55:07,292 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:55:07,292 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:55:07,302 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:55:07,302 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:07" (1/1) ... [2023-11-24 22:55:07,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:55:07,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:07,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:55:07,368 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:55:07,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:55:07,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:07,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:55:07,645 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:55:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:55:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:55:07,882 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:55:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:55:07,947 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:55:07,980 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-11-24 22:55:07,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:55:07 ImpRootNode [2023-11-24 22:55:07,987 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:55:07,988 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:55:07,988 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:55:07,988 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:55:07,989 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:07" (3/4) ... [2023-11-24 22:55:07,991 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:55:07,992 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:55:07,994 INFO L158 Benchmark]: Toolchain (without parser) took 2769.01ms. Allocated memory was 136.3MB in the beginning and 203.4MB in the end (delta: 67.1MB). Free memory was 87.6MB in the beginning and 162.3MB in the end (delta: -74.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:07,994 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 136.3MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:07,995 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1454.76ms. Allocated memory was 136.3MB in the beginning and 203.4MB in the end (delta: 67.1MB). Free memory was 87.4MB in the beginning and 136.2MB in the end (delta: -48.8MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2023-11-24 22:55:07,996 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.24ms. Allocated memory is still 203.4MB. Free memory was 136.2MB in the beginning and 132.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:55:07,996 INFO L158 Benchmark]: Boogie Preprocessor took 68.68ms. Allocated memory is still 203.4MB. Free memory was 132.9MB in the beginning and 132.0MB in the end (delta: 860.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:07,997 INFO L158 Benchmark]: RCFGBuilder took 425.18ms. Allocated memory is still 203.4MB. Free memory was 132.0MB in the beginning and 117.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:55:07,997 INFO L158 Benchmark]: CodeCheck took 694.76ms. Allocated memory is still 203.4MB. Free memory was 117.3MB in the beginning and 162.3MB in the end (delta: -45.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:07,998 INFO L158 Benchmark]: Witness Printer took 4.88ms. Allocated memory is still 203.4MB. Free memory is still 162.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:08,001 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: 1575]: 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)=13, argc=13, argv={44:43}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_fscanf_sub_68_bad() [L1554] int data; [L1555] data = 0 [L1557] EXPR \read(data) [L1557] CWE191_Integer_Underflow__int_fscanf_sub_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_fscanf_sub_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_fscanf_sub_68_badData; VAL [CWE191_Integer_Underflow__int_fscanf_sub_68_badData=-2147483648, 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] [L1575] data - 1 VAL [CWE191_Integer_Underflow__int_fscanf_sub_68_badData=-2147483648, 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 0.35ms. Allocated memory is still 136.3MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1454.76ms. Allocated memory was 136.3MB in the beginning and 203.4MB in the end (delta: 67.1MB). Free memory was 87.4MB in the beginning and 136.2MB in the end (delta: -48.8MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.24ms. Allocated memory is still 203.4MB. Free memory was 136.2MB in the beginning and 132.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.68ms. Allocated memory is still 203.4MB. Free memory was 132.9MB in the beginning and 132.0MB in the end (delta: 860.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 425.18ms. Allocated memory is still 203.4MB. Free memory was 132.0MB in the beginning and 117.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 694.76ms. Allocated memory is still 203.4MB. Free memory was 117.3MB in the beginning and 162.3MB in the end (delta: -45.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.88ms. Allocated memory is still 203.4MB. Free memory is still 162.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~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 22:55:08,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/bin/ukojak-verify-afCqCEvfdi/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 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_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/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_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/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_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/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 dd53927551223037d87dfedf7e8f90f8740ee3e7629975b1d046fc1a64ec5564 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:55:10,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:55:10,908 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:55:10,944 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:55:10,946 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:55:10,947 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:55:10,948 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:55:10,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:55:10,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:55:10,954 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:55:10,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:55:10,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:55:10,956 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:55:10,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:55:10,958 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:55:10,959 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:55:10,959 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:55:10,960 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:55:10,960 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:55:10,961 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:55:10,962 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:55:10,963 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:55:10,963 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:55:10,964 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:55:10,964 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:55:10,965 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:55:10,965 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:55:10,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:10,966 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:55:10,967 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:55:10,968 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:55:10,969 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:55:10,969 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:55:10,969 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:55:10,970 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:55:10,970 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:55:10,970 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_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd53927551223037d87dfedf7e8f90f8740ee3e7629975b1d046fc1a64ec5564 [2023-11-24 22:55:11,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:55:11,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:55:11,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:55:11,473 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:55:11,474 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:55:11,475 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_68_bad.i [2023-11-24 22:55:14,747 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:55:15,245 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:55:15,246 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_68_bad.i [2023-11-24 22:55:15,278 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/bin/ukojak-verify-afCqCEvfdi/data/3b058a3c9/56b337b9231d4486997b8e5c77d19314/FLAGbdc96ec43 [2023-11-24 22:55:15,295 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/bin/ukojak-verify-afCqCEvfdi/data/3b058a3c9/56b337b9231d4486997b8e5c77d19314 [2023-11-24 22:55:15,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:55:15,302 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:55:15,306 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:15,306 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:55:15,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:55:15,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:15" (1/1) ... [2023-11-24 22:55:15,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72deec7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:15, skipping insertion in model container [2023-11-24 22:55:15,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:15" (1/1) ... [2023-11-24 22:55:15,412 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:16,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:16,689 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:16,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:17,002 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:17,003 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:17,003 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:17,003 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:17,012 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:17,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:17 WrapperNode [2023-11-24 22:55:17,013 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:17,014 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:17,014 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:17,015 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:17,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:17" (1/1) ... [2023-11-24 22:55:17,057 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:17" (1/1) ... [2023-11-24 22:55:17,084 INFO L138 Inliner]: procedures = 504, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2023-11-24 22:55:17,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:17,085 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:17,085 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:17,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:17,095 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:17" (1/1) ... [2023-11-24 22:55:17,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:17" (1/1) ... [2023-11-24 22:55:17,100 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:17" (1/1) ... [2023-11-24 22:55:17,100 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:17" (1/1) ... [2023-11-24 22:55:17,111 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:17" (1/1) ... [2023-11-24 22:55:17,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:17" (1/1) ... [2023-11-24 22:55:17,116 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:17" (1/1) ... [2023-11-24 22:55:17,118 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:17" (1/1) ... [2023-11-24 22:55:17,125 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:17,126 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:17,127 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:17,127 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:17,127 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:17" (1/1) ... [2023-11-24 22:55:17,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:17,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:17,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:17,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:17,222 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:55:17,223 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:55:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:55:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:55:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:17,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:55:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:55:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:55:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:55:17,384 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:17,387 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:55:17,548 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:17,635 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:55:17,639 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:55:17,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:17 BoogieIcfgContainer [2023-11-24 22:55:17,641 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:55:17,641 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:55:17,642 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:55:17,652 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:55:17,652 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:17" (1/1) ... [2023-11-24 22:55:17,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:55:17,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:17,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:55:17,727 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:55:17,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:55:17,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:17,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:55:17,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:55:17,735 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:55:17,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:55:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:55:17,949 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:55:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:55:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:55:18,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:55:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:55:18,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:55:18,245 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:55:18,272 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-11-24 22:55:18,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:55:18 ImpRootNode [2023-11-24 22:55:18,279 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:55:18,281 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:55:18,282 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:55:18,282 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:55:18,283 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:17" (3/4) ... [2023-11-24 22:55:18,285 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:55:18,286 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:55:18,287 INFO L158 Benchmark]: Toolchain (without parser) took 2984.94ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 49.9MB in the beginning and 52.9MB in the end (delta: -3.0MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2023-11-24 22:55:18,288 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 77.6MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:18,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1707.37ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 49.7MB in the beginning and 60.0MB in the end (delta: -10.3MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2023-11-24 22:55:18,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.20ms. Allocated memory is still 96.5MB. Free memory was 60.0MB in the beginning and 57.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:55:18,291 INFO L158 Benchmark]: Boogie Preprocessor took 40.70ms. Allocated memory is still 96.5MB. Free memory was 56.7MB in the beginning and 55.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:18,292 INFO L158 Benchmark]: RCFGBuilder took 514.39ms. Allocated memory is still 96.5MB. Free memory was 54.7MB in the beginning and 38.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:55:18,293 INFO L158 Benchmark]: CodeCheck took 638.19ms. Allocated memory is still 96.5MB. Free memory was 38.4MB in the beginning and 52.9MB in the end (delta: -14.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:18,293 INFO L158 Benchmark]: Witness Printer took 4.76ms. Allocated memory is still 96.5MB. Free memory was 52.9MB in the beginning and 52.9MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:18,303 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, 0.0s 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: 1575]: 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); [L1548] int CWE191_Integer_Underflow__int_fscanf_sub_68_badData; [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_sub_68_badData=0, 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 [CWE191_Integer_Underflow__int_fscanf_sub_68_badData=0, 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_sub_68_bad() [L1554] int data; [L1555] data = 0 [L1557] EXPR \read(data) [L1557] CWE191_Integer_Underflow__int_fscanf_sub_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_fscanf_sub_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_fscanf_sub_68_badData; VAL [CWE191_Integer_Underflow__int_fscanf_sub_68_badData=-2147483648, 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] [L1575] data - 1 VAL [CWE191_Integer_Underflow__int_fscanf_sub_68_badData=-2147483648, 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 0.69ms. Allocated memory is still 77.6MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1707.37ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 49.7MB in the beginning and 60.0MB in the end (delta: -10.3MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.20ms. Allocated memory is still 96.5MB. Free memory was 60.0MB in the beginning and 57.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.70ms. Allocated memory is still 96.5MB. Free memory was 56.7MB in the beginning and 55.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 514.39ms. Allocated memory is still 96.5MB. Free memory was 54.7MB in the beginning and 38.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 638.19ms. Allocated memory is still 96.5MB. Free memory was 38.4MB in the beginning and 52.9MB in the end (delta: -14.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.76ms. Allocated memory is still 96.5MB. Free memory was 52.9MB in the beginning and 52.9MB in the end (delta: 2.7kB). 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 22:55:18,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ca7ef4b-9967-4f4e-a22b-5346a78c17d2/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