./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_21_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm --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 962a2497b7b8f4c1e03acb8fa0d16e0f6e4bb29ad7fb6eced3d659e6a9ad7c4a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:12:37,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:12:37,139 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:12:37,148 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:12:37,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:12:37,194 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:12:37,197 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:12:37,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:12:37,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:12:37,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:12:37,199 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:12:37,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:12:37,200 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:12:37,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:12:37,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:12:37,200 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:12:37,201 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:12:37,201 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:12:37,201 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:12:37,201 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:12:37,202 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:12:37,202 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:12:37,202 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:12:37,202 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:12:37,202 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:12:37,203 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:12:37,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:12:37,203 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:12:37,203 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:12:37,203 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:12:37,204 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:12:37,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:12:37,204 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm 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 -> 962a2497b7b8f4c1e03acb8fa0d16e0f6e4bb29ad7fb6eced3d659e6a9ad7c4a [2024-11-13 22:12:37,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:12:37,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:12:37,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:12:37,655 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:12:37,656 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:12:37,657 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_21_bad.i Unable to find full path for "g++" [2024-11-13 22:12:40,146 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:12:40,634 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:12:40,634 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_21_bad.i [2024-11-13 22:12:40,662 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/data/d759c453c/bb3beb7f602c41e9ab1e57da7c948865/FLAGa84538765 [2024-11-13 22:12:40,683 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/data/d759c453c/bb3beb7f602c41e9ab1e57da7c948865 [2024-11-13 22:12:40,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:12:40,688 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:12:40,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:12:40,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:12:40,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:12:40,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:12:40" (1/1) ... [2024-11-13 22:12:40,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43688bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:40, skipping insertion in model container [2024-11-13 22:12:40,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:12:40" (1/1) ... [2024-11-13 22:12:40,778 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:12:42,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:12:42,188 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:12:42,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:12:42,512 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:12:42,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:42 WrapperNode [2024-11-13 22:12:42,513 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:12:42,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:12:42,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:12:42,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:12:42,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:42" (1/1) ... [2024-11-13 22:12:42,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:42" (1/1) ... [2024-11-13 22:12:42,573 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2024-11-13 22:12:42,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:12:42,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:12:42,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:12:42,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:12:42,583 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:42" (1/1) ... [2024-11-13 22:12:42,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:42" (1/1) ... [2024-11-13 22:12:42,586 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:42" (1/1) ... [2024-11-13 22:12:42,586 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:42" (1/1) ... [2024-11-13 22:12:42,592 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:42" (1/1) ... [2024-11-13 22:12:42,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:42" (1/1) ... [2024-11-13 22:12:42,597 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:42" (1/1) ... [2024-11-13 22:12:42,598 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:42" (1/1) ... [2024-11-13 22:12:42,600 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:12:42,601 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:12:42,601 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:12:42,601 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:12:42,602 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:42" (1/1) ... [2024-11-13 22:12:42,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:12:42,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:12:42,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:12:42,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:12:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:12:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:12:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:12:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:12:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:12:42,931 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:12:42,934 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:12:43,110 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 22:12:43,111 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:12:43,182 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:12:43,183 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:12:43,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:12:43 BoogieIcfgContainer [2024-11-13 22:12:43,184 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:12:43,185 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:12:43,185 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:12:43,201 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:12:43,201 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:12:43" (1/1) ... [2024-11-13 22:12:43,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:12:43,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:43,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 22:12:43,298 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 22:12:43,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:12:43,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:43,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:12:43,487 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:12:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:12:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:12:43,626 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:12:43,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:12:43,674 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:12:43,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:12:43 ImpRootNode [2024-11-13 22:12:43,719 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:12:43,720 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:12:43,720 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:12:43,721 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:12:43,721 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:12:43" (3/4) ... [2024-11-13 22:12:43,726 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:12:43,727 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:12:43,728 INFO L158 Benchmark]: Toolchain (without parser) took 3040.65ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 51.1MB in the end (delta: 38.1MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2024-11-13 22:12:43,729 INFO L158 Benchmark]: CDTParser took 1.19ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:12:43,731 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1823.70ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 81.9MB in the end (delta: 7.1MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2024-11-13 22:12:43,732 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.75ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 79.1MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:12:43,733 INFO L158 Benchmark]: Boogie Preprocessor took 25.70ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.6MB in the end (delta: 538.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:12:43,734 INFO L158 Benchmark]: RCFGBuilder took 583.20ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 65.2MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:12:43,736 INFO L158 Benchmark]: CodeCheck took 534.18ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 51.1MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:12:43,736 INFO L158 Benchmark]: Witness Printer took 7.40ms. Allocated memory is still 117.4MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:12:43,740 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1554]: 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 1571. 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] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_predec_21_bad() [L1562] int data; [L1563] data = 0 [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, 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 1.19ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1823.70ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 81.9MB in the end (delta: 7.1MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.75ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 79.1MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.70ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.6MB in the end (delta: 538.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 583.20ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 65.2MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 534.18ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 51.1MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.40ms. Allocated memory is still 117.4MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:12:43,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm --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 962a2497b7b8f4c1e03acb8fa0d16e0f6e4bb29ad7fb6eced3d659e6a9ad7c4a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:12:47,020 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:12:47,189 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:12:47,244 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:12:47,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:12:47,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:12:47,247 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:12:47,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:12:47,249 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:12:47,249 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:12:47,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:12:47,250 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:12:47,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:12:47,251 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:12:47,251 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:12:47,251 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:12:47,251 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:12:47,251 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:12:47,252 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:12:47,252 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:12:47,252 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:12:47,252 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:12:47,252 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:12:47,252 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:12:47,252 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:12:47,252 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:12:47,253 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:12:47,253 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:12:47,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:12:47,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:12:47,253 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:12:47,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:12:47,253 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:12:47,253 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:12:47,254 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:12:47,254 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm 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 -> 962a2497b7b8f4c1e03acb8fa0d16e0f6e4bb29ad7fb6eced3d659e6a9ad7c4a [2024-11-13 22:12:47,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:12:47,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:12:47,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:12:47,723 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:12:47,723 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:12:47,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_21_bad.i Unable to find full path for "g++" [2024-11-13 22:12:49,996 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:12:50,406 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:12:50,407 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_21_bad.i [2024-11-13 22:12:50,438 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/data/f3a022683/d512207707f746a7a980151cdccac0df/FLAGfa1e811d3 [2024-11-13 22:12:50,458 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/data/f3a022683/d512207707f746a7a980151cdccac0df [2024-11-13 22:12:50,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:12:50,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:12:50,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:12:50,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:12:50,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:12:50,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:12:50" (1/1) ... [2024-11-13 22:12:50,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f4efe3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:50, skipping insertion in model container [2024-11-13 22:12:50,475 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:12:50" (1/1) ... [2024-11-13 22:12:50,565 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:12:51,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:12:51,923 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:12:52,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:12:52,301 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:12:52,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:52 WrapperNode [2024-11-13 22:12:52,302 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:12:52,303 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:12:52,303 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:12:52,303 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:12:52,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:52" (1/1) ... [2024-11-13 22:12:52,335 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:52" (1/1) ... [2024-11-13 22:12:52,359 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 49 [2024-11-13 22:12:52,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:12:52,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:12:52,360 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:12:52,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:12:52,370 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:52" (1/1) ... [2024-11-13 22:12:52,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:52" (1/1) ... [2024-11-13 22:12:52,374 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:52" (1/1) ... [2024-11-13 22:12:52,375 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:52" (1/1) ... [2024-11-13 22:12:52,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:52" (1/1) ... [2024-11-13 22:12:52,405 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:52" (1/1) ... [2024-11-13 22:12:52,408 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:52" (1/1) ... [2024-11-13 22:12:52,409 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:52" (1/1) ... [2024-11-13 22:12:52,417 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:12:52,418 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:12:52,418 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:12:52,418 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:12:52,419 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:12:52" (1/1) ... [2024-11-13 22:12:52,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:12:52,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:12:52,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:12:52,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:12:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:12:52,515 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:12:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:12:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:12:52,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:12:52,796 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:12:52,798 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:12:52,972 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 22:12:52,972 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:12:53,071 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:12:53,072 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:12:53,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:12:53 BoogieIcfgContainer [2024-11-13 22:12:53,072 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:12:53,073 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:12:53,074 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:12:53,089 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:12:53,090 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:12:53" (1/1) ... [2024-11-13 22:12:53,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:12:53,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:53,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 22:12:53,178 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 22:12:53,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:12:53,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:53,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:12:53,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:12:53,187 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:12:53,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:12:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:12:53,410 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:12:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:12:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:12:53,595 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:12:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:12:53,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 22:12:53,674 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:12:53,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:12:53 ImpRootNode [2024-11-13 22:12:53,727 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:12:53,728 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:12:53,729 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:12:53,730 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:12:53,732 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:12:53" (3/4) ... [2024-11-13 22:12:53,735 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:12:53,737 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:12:53,740 INFO L158 Benchmark]: Toolchain (without parser) took 3274.58ms. Allocated memory is still 83.9MB. Free memory was 56.5MB in the beginning and 42.0MB in the end (delta: 14.5MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-11-13 22:12:53,742 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:12:53,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1836.68ms. Allocated memory is still 83.9MB. Free memory was 56.5MB in the beginning and 50.6MB in the end (delta: 5.9MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-13 22:12:53,743 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.17ms. Allocated memory is still 83.9MB. Free memory was 50.6MB in the beginning and 47.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:12:53,743 INFO L158 Benchmark]: Boogie Preprocessor took 56.57ms. Allocated memory is still 83.9MB. Free memory was 47.9MB in the beginning and 46.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:12:53,748 INFO L158 Benchmark]: RCFGBuilder took 654.96ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 31.3MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:12:53,748 INFO L158 Benchmark]: CodeCheck took 654.12ms. Allocated memory is still 83.9MB. Free memory was 31.3MB in the beginning and 42.0MB in the end (delta: -10.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:12:53,749 INFO L158 Benchmark]: Witness Printer took 8.60ms. Allocated memory is still 83.9MB. Free memory was 42.0MB in the beginning and 42.0MB in the end (delta: 10.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:12:53,751 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1554]: 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 1571. 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] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_predec_21_bad() [L1562] int data; [L1563] data = 0 [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, 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 0.39ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1836.68ms. Allocated memory is still 83.9MB. Free memory was 56.5MB in the beginning and 50.6MB in the end (delta: 5.9MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.17ms. Allocated memory is still 83.9MB. Free memory was 50.6MB in the beginning and 47.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.57ms. Allocated memory is still 83.9MB. Free memory was 47.9MB in the beginning and 46.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 654.96ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 31.3MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 654.12ms. Allocated memory is still 83.9MB. Free memory was 31.3MB in the beginning and 42.0MB in the end (delta: -10.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.60ms. Allocated memory is still 83.9MB. Free memory was 42.0MB in the beginning and 42.0MB in the end (delta: 10.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:12:53,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f98031e5-4613-4cd1-ae87-590c22acbe81/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample