./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_11_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_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/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_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/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_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/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 1dae10c6be46aa9c2cc58a0f3ff3308b9820e07be30f16ab0442d35552dce0c3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:55:52,114 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:55:52,231 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:55:52,244 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:55:52,244 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:55:52,289 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:55:52,290 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:55:52,290 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:55:52,291 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:55:52,291 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:55:52,291 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:55:52,291 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:55:52,293 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:55:52,293 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:55:52,295 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:55:52,295 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:55:52,295 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:55:52,295 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:55:52,295 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:55:52,295 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:55:52,295 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:55:52,296 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:55:52,296 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:55:52,296 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:55:52,296 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:55:52,296 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:55:52,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:55:52,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:55:52,297 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:55:52,297 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:55:52,297 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:55:52,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:55:52,297 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_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/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 -> 1dae10c6be46aa9c2cc58a0f3ff3308b9820e07be30f16ab0442d35552dce0c3 [2024-11-13 20:55:52,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:55:52,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:55:52,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:55:52,686 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:55:52,687 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:55:52,690 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_11_bad.i Unable to find full path for "g++" [2024-11-13 20:55:54,815 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:55:55,353 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:55:55,354 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_11_bad.i [2024-11-13 20:55:55,388 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/bin/ukojak-verify-EEHR8qb7sm/data/cc4f60cbd/00e0c63d877847bba270a3ed9eab7f87/FLAG9b54a9d46 [2024-11-13 20:55:55,408 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/bin/ukojak-verify-EEHR8qb7sm/data/cc4f60cbd/00e0c63d877847bba270a3ed9eab7f87 [2024-11-13 20:55:55,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:55:55,413 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:55:55,414 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:55:55,415 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:55:55,419 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:55:55,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:55:55" (1/1) ... [2024-11-13 20:55:55,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3445faa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:55, skipping insertion in model container [2024-11-13 20:55:55,423 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:55:55" (1/1) ... [2024-11-13 20:55:55,486 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:55:56,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:55:56,457 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:55:56,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:55:56,740 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:55:56,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:56 WrapperNode [2024-11-13 20:55:56,740 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:55:56,741 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:55:56,741 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:55:56,741 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:55:56,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:56" (1/1) ... [2024-11-13 20:55:56,770 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:56" (1/1) ... [2024-11-13 20:55:56,794 INFO L138 Inliner]: procedures = 497, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-13 20:55:56,795 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:55:56,795 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:55:56,795 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:55:56,795 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:55:56,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:56" (1/1) ... [2024-11-13 20:55:56,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:56" (1/1) ... [2024-11-13 20:55:56,805 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:56" (1/1) ... [2024-11-13 20:55:56,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:56" (1/1) ... [2024-11-13 20:55:56,810 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:56" (1/1) ... [2024-11-13 20:55:56,812 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:56" (1/1) ... [2024-11-13 20:55:56,813 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:56" (1/1) ... [2024-11-13 20:55:56,814 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:56" (1/1) ... [2024-11-13 20:55:56,816 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:55:56,821 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:55:56,821 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:55:56,821 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:55:56,822 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:56" (1/1) ... [2024-11-13 20:55:56,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:55:56,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:55:56,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:55:56,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:55:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:55:56,902 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:55:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-11-13 20:55:56,902 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-11-13 20:55:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:55:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:55:56,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:55:57,051 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:55:57,053 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:55:57,174 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 20:55:57,175 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:55:57,231 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:55:57,231 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:55:57,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:57 BoogieIcfgContainer [2024-11-13 20:55:57,232 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:55:57,233 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:55:57,233 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:55:57,244 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:55:57,244 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:57" (1/1) ... [2024-11-13 20:55:57,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:55:57,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:57,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-11-13 20:55:57,306 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-13 20:55:57,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:55:57,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:57,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:55:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:57,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:55:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:57,565 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:55:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:57,606 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:55:57,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:55:57 ImpRootNode [2024-11-13 20:55:57,636 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:55:57,636 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:55:57,637 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:55:57,637 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:55:57,638 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:57" (3/4) ... [2024-11-13 20:55:57,640 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:55:57,642 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:55:57,643 INFO L158 Benchmark]: Toolchain (without parser) took 2230.08ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 48.8MB in the end (delta: 41.5MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2024-11-13 20:55:57,643 INFO L158 Benchmark]: CDTParser took 1.42ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:57,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1326.41ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 82.1MB in the end (delta: 7.9MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-13 20:55:57,644 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.60ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 79.2MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:55:57,645 INFO L158 Benchmark]: Boogie Preprocessor took 20.63ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 78.6MB in the end (delta: 585.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:57,645 INFO L158 Benchmark]: RCFGBuilder took 410.95ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 64.5MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:55:57,646 INFO L158 Benchmark]: CodeCheck took 403.01ms. Allocated memory is still 117.4MB. Free memory was 64.4MB in the beginning and 48.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:55:57,646 INFO L158 Benchmark]: Witness Printer took 5.35ms. Allocated memory is still 117.4MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:57,649 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 3 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 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_sub_11_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1556] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1559] data - 1 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 1.42ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1326.41ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 82.1MB in the end (delta: 7.9MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.60ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 79.2MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.63ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 78.6MB in the end (delta: 585.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 410.95ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 64.5MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 403.01ms. Allocated memory is still 117.4MB. Free memory was 64.4MB in the beginning and 48.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.35ms. Allocated memory is still 117.4MB. Free memory is still 48.8MB. 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 20:55:57,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/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_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/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_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/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 1dae10c6be46aa9c2cc58a0f3ff3308b9820e07be30f16ab0442d35552dce0c3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:56:00,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:56:00,799 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:56:00,861 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:56:00,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:56:00,862 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:56:00,863 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:56:00,863 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:56:00,863 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:56:00,867 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:56:00,867 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:56:00,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:56:00,867 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:56:00,867 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:56:00,867 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:56:00,867 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:56:00,867 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:56:00,868 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:56:00,868 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:56:00,868 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:56:00,868 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:56:00,868 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:56:00,868 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:56:00,868 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:56:00,868 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:56:00,868 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:00,869 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:56:00,869 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:56:00,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:56:00,869 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:56:00,869 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:56:00,869 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:56:00,869 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:56:00,870 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:00,870 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:56:00,870 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_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/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 -> 1dae10c6be46aa9c2cc58a0f3ff3308b9820e07be30f16ab0442d35552dce0c3 [2024-11-13 20:56:01,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:56:01,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:56:01,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:56:01,289 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:56:01,290 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:56:01,291 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_11_bad.i Unable to find full path for "g++" [2024-11-13 20:56:03,517 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:56:03,934 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:56:03,938 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_11_bad.i [2024-11-13 20:56:03,969 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/bin/ukojak-verify-EEHR8qb7sm/data/1ca0f8314/f7c429a2d4e645589936c01ea43759e9/FLAG053be6c94 [2024-11-13 20:56:03,989 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/bin/ukojak-verify-EEHR8qb7sm/data/1ca0f8314/f7c429a2d4e645589936c01ea43759e9 [2024-11-13 20:56:03,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:56:03,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:56:03,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:56:03,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:56:03,999 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:56:04,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:56:03" (1/1) ... [2024-11-13 20:56:04,001 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e8a3c23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:04, skipping insertion in model container [2024-11-13 20:56:04,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:56:03" (1/1) ... [2024-11-13 20:56:04,049 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:56:04,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:56:04,974 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:56:05,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:56:05,233 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:56:05,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:05 WrapperNode [2024-11-13 20:56:05,234 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:56:05,234 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:56:05,235 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:56:05,235 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:56:05,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:05" (1/1) ... [2024-11-13 20:56:05,263 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:05" (1/1) ... [2024-11-13 20:56:05,283 INFO L138 Inliner]: procedures = 502, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2024-11-13 20:56:05,284 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:56:05,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:56:05,284 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:56:05,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:56:05,292 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:05" (1/1) ... [2024-11-13 20:56:05,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:05" (1/1) ... [2024-11-13 20:56:05,295 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:05" (1/1) ... [2024-11-13 20:56:05,295 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:05" (1/1) ... [2024-11-13 20:56:05,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:05" (1/1) ... [2024-11-13 20:56:05,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:05" (1/1) ... [2024-11-13 20:56:05,309 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:05" (1/1) ... [2024-11-13 20:56:05,310 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:05" (1/1) ... [2024-11-13 20:56:05,313 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:56:05,314 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:56:05,314 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:56:05,314 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:56:05,315 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:05" (1/1) ... [2024-11-13 20:56:05,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:56:05,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:56:05,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:56:05,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:56:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:56:05,383 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:56:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-11-13 20:56:05,384 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-11-13 20:56:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:56:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:56:05,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:56:05,578 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:56:05,581 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:56:05,739 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 20:56:05,739 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:56:05,808 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:56:05,809 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:56:05,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:56:05 BoogieIcfgContainer [2024-11-13 20:56:05,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:56:05,810 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:56:05,813 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:56:05,829 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:56:05,829 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:56:05" (1/1) ... [2024-11-13 20:56:05,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:56:05,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:05,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2024-11-13 20:56:05,888 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-11-13 20:56:05,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:56:05,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:05,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:05,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:05,899 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:05,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:56:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:56:06,102 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:56:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:56:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:56:06,279 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:56:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:56:06,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:56:06,362 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:56:06,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:56:06 ImpRootNode [2024-11-13 20:56:06,412 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:56:06,412 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:56:06,414 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:56:06,414 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:56:06,415 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:56:05" (3/4) ... [2024-11-13 20:56:06,418 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:56:06,419 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:56:06,420 INFO L158 Benchmark]: Toolchain (without parser) took 2427.39ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 89.0MB in the beginning and 225.3MB in the end (delta: -136.3MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-11-13 20:56:06,421 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:56:06,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1239.81ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 67.7MB in the end (delta: 21.3MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-13 20:56:06,422 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.30ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 64.6MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:56:06,422 INFO L158 Benchmark]: Boogie Preprocessor took 28.85ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 62.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:56:06,425 INFO L158 Benchmark]: RCFGBuilder took 495.61ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 47.3MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:56:06,425 INFO L158 Benchmark]: CodeCheck took 601.81ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 47.3MB in the beginning and 226.0MB in the end (delta: -178.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:56:06,426 INFO L158 Benchmark]: Witness Printer took 6.71ms. Allocated memory is still 260.0MB. Free memory was 226.0MB in the beginning and 225.3MB in the end (delta: 703.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:56:06,433 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 3 procedures, 19 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, 14 NumberOfCodeBlocks, 14 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_sub_11_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1556] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1559] data - 1 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 0.42ms. Allocated memory is still 117.4MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1239.81ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 67.7MB in the end (delta: 21.3MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.30ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 64.6MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.85ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 62.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 495.61ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 47.3MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 601.81ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 47.3MB in the beginning and 226.0MB in the end (delta: -178.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.71ms. Allocated memory is still 260.0MB. Free memory was 226.0MB in the beginning and 225.3MB in the end (delta: 703.4kB). 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 20:56:06,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf17ca7-0426-4cfe-abdc-c34d4d2c5b2d/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