./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_42_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_719a016f-a974-43c9-b1e0-0a0ef665cbce/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719a016f-a974-43c9-b1e0-0a0ef665cbce/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_719a016f-a974-43c9-b1e0-0a0ef665cbce/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719a016f-a974-43c9-b1e0-0a0ef665cbce/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719a016f-a974-43c9-b1e0-0a0ef665cbce/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_719a016f-a974-43c9-b1e0-0a0ef665cbce/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 7dac141f7a29cf4c6bd33712d19d4f734e6de14d1a46ab86d0fb77fc6a3eb929 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:57:47,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:57:47,574 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719a016f-a974-43c9-b1e0-0a0ef665cbce/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 16:57:47,584 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:57:47,584 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:57:47,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:57:47,628 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:57:47,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:57:47,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:57:47,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:57:47,630 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:57:47,630 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:57:47,630 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:57:47,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:57:47,632 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:57:47,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:57:47,633 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:57:47,633 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:57:47,633 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:57:47,633 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:57:47,633 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:57:47,633 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:57:47,633 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:57:47,633 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:57:47,633 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:57:47,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:57:47,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:57:47,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:57:47,634 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:57:47,634 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:57:47,634 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:57:47,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:57:47,635 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_719a016f-a974-43c9-b1e0-0a0ef665cbce/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 -> 7dac141f7a29cf4c6bd33712d19d4f734e6de14d1a46ab86d0fb77fc6a3eb929 [2024-11-13 16:57:47,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:57:47,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:57:48,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:57:48,004 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:57:48,006 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:57:48,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719a016f-a974-43c9-b1e0-0a0ef665cbce/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_42_bad.i Unable to find full path for "g++" [2024-11-13 16:57:50,128 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:57:50,663 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:57:50,666 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719a016f-a974-43c9-b1e0-0a0ef665cbce/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_42_bad.i [2024-11-13 16:57:50,698 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719a016f-a974-43c9-b1e0-0a0ef665cbce/bin/ukojak-verify-EEHR8qb7sm/data/a84e34df5/66b36f2f503b4dc3bd9d030a5c631d0d/FLAG531a12d0d [2024-11-13 16:57:50,719 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719a016f-a974-43c9-b1e0-0a0ef665cbce/bin/ukojak-verify-EEHR8qb7sm/data/a84e34df5/66b36f2f503b4dc3bd9d030a5c631d0d [2024-11-13 16:57:50,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:57:50,724 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:57:50,725 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:57:50,726 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:57:50,731 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:57:50,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:57:50" (1/1) ... [2024-11-13 16:57:50,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d1e4b65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:50, skipping insertion in model container [2024-11-13 16:57:50,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:57:50" (1/1) ... [2024-11-13 16:57:50,801 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:57:51,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:57:51,851 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:57:51,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:57:52,132 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:57:52,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:52 WrapperNode [2024-11-13 16:57:52,132 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:57:52,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:57:52,134 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:57:52,134 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:57:52,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:52" (1/1) ... [2024-11-13 16:57:52,158 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:52" (1/1) ... [2024-11-13 16:57:52,178 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 52 [2024-11-13 16:57:52,178 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:57:52,179 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:57:52,179 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:57:52,179 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:57:52,187 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:52" (1/1) ... [2024-11-13 16:57:52,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:52" (1/1) ... [2024-11-13 16:57:52,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:52" (1/1) ... [2024-11-13 16:57:52,190 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:52" (1/1) ... [2024-11-13 16:57:52,194 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:52" (1/1) ... [2024-11-13 16:57:52,196 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:52" (1/1) ... [2024-11-13 16:57:52,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:52" (1/1) ... [2024-11-13 16:57:52,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:52" (1/1) ... [2024-11-13 16:57:52,200 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:57:52,202 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:57:52,202 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:57:52,202 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:57:52,203 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:52" (1/1) ... [2024-11-13 16:57:52,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:57:52,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719a016f-a974-43c9-b1e0-0a0ef665cbce/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:57:52,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719a016f-a974-43c9-b1e0-0a0ef665cbce/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:57:52,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719a016f-a974-43c9-b1e0-0a0ef665cbce/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:57:52,292 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:57:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:57:52,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:57:52,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:57:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:57:52,549 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:57:52,552 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:57:52,702 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 16:57:52,702 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:57:52,770 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:57:52,770 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:57:52,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:57:52 BoogieIcfgContainer [2024-11-13 16:57:52,771 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:57:52,772 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:57:52,772 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:57:52,784 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:57:52,784 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:57:52" (1/1) ... [2024-11-13 16:57:52,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:57:52,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:52,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 16:57:52,855 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 16:57:52,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:57:52,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:52,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:57:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:57:52,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:57:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:57:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:57:53,095 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:57:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:57:53,147 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:57:53,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:57:53 ImpRootNode [2024-11-13 16:57:53,191 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:57:53,191 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:57:53,193 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:57:53,194 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:57:53,194 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:57:52" (3/4) ... [2024-11-13 16:57:53,197 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:57:53,198 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:57:53,199 INFO L158 Benchmark]: Toolchain (without parser) took 2476.10ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 77.9MB in the end (delta: 38.0MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-13 16:57:53,202 INFO L158 Benchmark]: CDTParser took 1.01ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:53,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1407.46ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 109.4MB in the end (delta: 6.5MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 16:57:53,203 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.04ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 106.7MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:53,203 INFO L158 Benchmark]: Boogie Preprocessor took 21.38ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 105.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:53,204 INFO L158 Benchmark]: RCFGBuilder took 569.28ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 91.7MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:57:53,204 INFO L158 Benchmark]: CodeCheck took 419.24ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 78.5MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:57:53,204 INFO L158 Benchmark]: Witness Printer took 7.21ms. Allocated memory is still 142.6MB. Free memory was 78.5MB in the beginning and 77.9MB in the end (delta: 600.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:53,209 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567. 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); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET 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] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_predec_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=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 1.01ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1407.46ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 109.4MB in the end (delta: 6.5MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.04ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 106.7MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.38ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 105.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 569.28ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 91.7MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 419.24ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 78.5MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.21ms. Allocated memory is still 142.6MB. Free memory was 78.5MB in the beginning and 77.9MB in the end (delta: 600.5kB). 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 16:57:53,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719a016f-a974-43c9-b1e0-0a0ef665cbce/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_719a016f-a974-43c9-b1e0-0a0ef665cbce/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719a016f-a974-43c9-b1e0-0a0ef665cbce/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_719a016f-a974-43c9-b1e0-0a0ef665cbce/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719a016f-a974-43c9-b1e0-0a0ef665cbce/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719a016f-a974-43c9-b1e0-0a0ef665cbce/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_719a016f-a974-43c9-b1e0-0a0ef665cbce/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 7dac141f7a29cf4c6bd33712d19d4f734e6de14d1a46ab86d0fb77fc6a3eb929 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:57:56,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:57:56,312 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719a016f-a974-43c9-b1e0-0a0ef665cbce/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 16:57:56,360 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:57:56,361 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:57:56,362 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:57:56,363 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:57:56,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:57:56,364 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:57:56,365 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:57:56,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:57:56,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:57:56,366 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:57:56,366 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:57:56,367 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:57:56,367 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:57:56,367 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:57:56,367 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:57:56,367 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:57:56,367 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:57:56,367 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:57:56,367 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:57:56,367 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:57:56,367 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:57:56,367 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:57:56,368 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:57:56,368 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:57:56,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:57:56,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:57:56,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:57:56,368 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:57:56,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:57:56,369 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:57:56,369 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:57:56,370 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:57:56,370 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_719a016f-a974-43c9-b1e0-0a0ef665cbce/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 -> 7dac141f7a29cf4c6bd33712d19d4f734e6de14d1a46ab86d0fb77fc6a3eb929 [2024-11-13 16:57:56,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:57:56,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:57:56,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:57:56,781 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:57:56,784 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:57:56,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719a016f-a974-43c9-b1e0-0a0ef665cbce/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_42_bad.i Unable to find full path for "g++" [2024-11-13 16:57:58,852 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:57:59,318 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:57:59,319 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719a016f-a974-43c9-b1e0-0a0ef665cbce/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_42_bad.i [2024-11-13 16:57:59,360 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719a016f-a974-43c9-b1e0-0a0ef665cbce/bin/ukojak-verify-EEHR8qb7sm/data/918269ae6/f10682ad7da7473da84a2a227e33b71a/FLAGc18b2099e [2024-11-13 16:57:59,388 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719a016f-a974-43c9-b1e0-0a0ef665cbce/bin/ukojak-verify-EEHR8qb7sm/data/918269ae6/f10682ad7da7473da84a2a227e33b71a [2024-11-13 16:57:59,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:57:59,393 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:57:59,396 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:57:59,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:57:59,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:57:59,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:57:59" (1/1) ... [2024-11-13 16:57:59,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1accee19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:59, skipping insertion in model container [2024-11-13 16:57:59,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:57:59" (1/1) ... [2024-11-13 16:57:59,479 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:58:00,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:58:00,603 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:58:00,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:58:00,945 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:58:00,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:00 WrapperNode [2024-11-13 16:58:00,946 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:58:00,947 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:58:00,947 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:58:00,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:58:00,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:00" (1/1) ... [2024-11-13 16:58:00,994 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:00" (1/1) ... [2024-11-13 16:58:01,027 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2024-11-13 16:58:01,028 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:58:01,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:58:01,029 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:58:01,029 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:58:01,037 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:00" (1/1) ... [2024-11-13 16:58:01,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:00" (1/1) ... [2024-11-13 16:58:01,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:00" (1/1) ... [2024-11-13 16:58:01,044 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:00" (1/1) ... [2024-11-13 16:58:01,062 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:00" (1/1) ... [2024-11-13 16:58:01,067 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:00" (1/1) ... [2024-11-13 16:58:01,069 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:00" (1/1) ... [2024-11-13 16:58:01,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:00" (1/1) ... [2024-11-13 16:58:01,075 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:58:01,078 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:58:01,079 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:58:01,079 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:58:01,080 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:00" (1/1) ... [2024-11-13 16:58:01,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:58:01,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719a016f-a974-43c9-b1e0-0a0ef665cbce/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:58:01,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719a016f-a974-43c9-b1e0-0a0ef665cbce/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:58:01,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719a016f-a974-43c9-b1e0-0a0ef665cbce/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:58:01,145 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:58:01,145 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:58:01,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:58:01,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:58:01,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:58:01,367 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:58:01,370 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:58:01,529 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 16:58:01,529 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:58:01,620 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:58:01,623 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:58:01,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:58:01 BoogieIcfgContainer [2024-11-13 16:58:01,624 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:58:01,625 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:58:01,626 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:58:01,638 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:58:01,638 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:58:01" (1/1) ... [2024-11-13 16:58:01,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:58:01,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:01,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 16:58:01,754 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 16:58:01,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:58:01,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:01,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:58:01,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719a016f-a974-43c9-b1e0-0a0ef665cbce/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:58:01,778 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719a016f-a974-43c9-b1e0-0a0ef665cbce/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:58:01,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719a016f-a974-43c9-b1e0-0a0ef665cbce/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:58:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:58:02,002 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:58:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:58:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:58:02,143 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:58:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:58:02,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719a016f-a974-43c9-b1e0-0a0ef665cbce/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 16:58:02,198 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:58:02,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:58:02 ImpRootNode [2024-11-13 16:58:02,236 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:58:02,238 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:58:02,238 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:58:02,238 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:58:02,240 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:58:01" (3/4) ... [2024-11-13 16:58:02,243 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:58:02,244 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:58:02,245 INFO L158 Benchmark]: Toolchain (without parser) took 2852.34ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 41.8MB in the end (delta: 15.2MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-11-13 16:58:02,245 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:58:02,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1550.23ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 50.1MB in the end (delta: 6.6MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2024-11-13 16:58:02,246 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.00ms. Allocated memory is still 83.9MB. Free memory was 50.1MB in the beginning and 47.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:58:02,247 INFO L158 Benchmark]: Boogie Preprocessor took 46.91ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 45.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:58:02,247 INFO L158 Benchmark]: RCFGBuilder took 545.43ms. Allocated memory is still 83.9MB. Free memory was 45.9MB in the beginning and 30.9MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:58:02,248 INFO L158 Benchmark]: CodeCheck took 611.53ms. Allocated memory is still 83.9MB. Free memory was 30.9MB in the beginning and 42.2MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:58:02,248 INFO L158 Benchmark]: Witness Printer took 6.38ms. Allocated memory is still 83.9MB. Free memory was 42.2MB in the beginning and 41.8MB in the end (delta: 421.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:58:02,251 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567. 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); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET 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] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_predec_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=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 0.45ms. Allocated memory is still 83.9MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1550.23ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 50.1MB in the end (delta: 6.6MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.00ms. Allocated memory is still 83.9MB. Free memory was 50.1MB in the beginning and 47.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.91ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 45.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 545.43ms. Allocated memory is still 83.9MB. Free memory was 45.9MB in the beginning and 30.9MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 611.53ms. Allocated memory is still 83.9MB. Free memory was 30.9MB in the beginning and 42.2MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.38ms. Allocated memory is still 83.9MB. Free memory was 42.2MB in the beginning and 41.8MB in the end (delta: 421.4kB). 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 16:58:02,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_719a016f-a974-43c9-b1e0-0a0ef665cbce/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