./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_52_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_51f4848f-ed47-41ca-8c38-06968b0ffab2/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f4848f-ed47-41ca-8c38-06968b0ffab2/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_51f4848f-ed47-41ca-8c38-06968b0ffab2/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f4848f-ed47-41ca-8c38-06968b0ffab2/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f4848f-ed47-41ca-8c38-06968b0ffab2/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_51f4848f-ed47-41ca-8c38-06968b0ffab2/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 bdb70d6c239416bf5bfbf89082c20524184aa1a8f2f2133915f6ca7c258bf66d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:38:54,148 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:38:54,244 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f4848f-ed47-41ca-8c38-06968b0ffab2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:38:54,251 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:38:54,251 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:38:54,291 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:38:54,292 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:38:54,292 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:38:54,293 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:38:54,293 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:38:54,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:38:54,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:38:54,293 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:38:54,293 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:38:54,293 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:38:54,294 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:38:54,294 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:38:54,294 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:38:54,294 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:38:54,294 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:38:54,294 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:38:54,294 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:38:54,296 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:38:54,296 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:38:54,296 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:38:54,296 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:38:54,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:38:54,297 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:38:54,297 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:38:54,297 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:38:54,297 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:38:54,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:38:54,297 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_51f4848f-ed47-41ca-8c38-06968b0ffab2/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 -> bdb70d6c239416bf5bfbf89082c20524184aa1a8f2f2133915f6ca7c258bf66d [2024-11-13 21:38:54,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:38:54,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:38:54,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:38:54,636 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:38:54,636 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:38:54,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f4848f-ed47-41ca-8c38-06968b0ffab2/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_52_bad.i Unable to find full path for "g++" [2024-11-13 21:38:56,582 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:38:57,154 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:38:57,155 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f4848f-ed47-41ca-8c38-06968b0ffab2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_52_bad.i [2024-11-13 21:38:57,191 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f4848f-ed47-41ca-8c38-06968b0ffab2/bin/ukojak-verify-EEHR8qb7sm/data/88040d17a/d726e95e19664c2a869c8f59ca0a05e9/FLAG4b0d2fec1 [2024-11-13 21:38:57,212 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f4848f-ed47-41ca-8c38-06968b0ffab2/bin/ukojak-verify-EEHR8qb7sm/data/88040d17a/d726e95e19664c2a869c8f59ca0a05e9 [2024-11-13 21:38:57,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:38:57,217 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:38:57,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:38:57,219 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:38:57,225 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:38:57,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:38:57" (1/1) ... [2024-11-13 21:38:57,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e02c144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:57, skipping insertion in model container [2024-11-13 21:38:57,228 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:38:57" (1/1) ... [2024-11-13 21:38:57,282 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:38:58,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:38:58,485 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:38:58,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:38:58,788 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:38:58,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:58 WrapperNode [2024-11-13 21:38:58,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:38:58,791 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:38:58,791 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:38:58,791 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:38:58,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:58" (1/1) ... [2024-11-13 21:38:58,833 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:58" (1/1) ... [2024-11-13 21:38:58,859 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 45 [2024-11-13 21:38:58,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:38:58,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:38:58,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:38:58,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:38:58,869 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:58" (1/1) ... [2024-11-13 21:38:58,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:58" (1/1) ... [2024-11-13 21:38:58,873 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:58" (1/1) ... [2024-11-13 21:38:58,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:58" (1/1) ... [2024-11-13 21:38:58,887 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:58" (1/1) ... [2024-11-13 21:38:58,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:58" (1/1) ... [2024-11-13 21:38:58,893 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:58" (1/1) ... [2024-11-13 21:38:58,895 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:58" (1/1) ... [2024-11-13 21:38:58,899 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:38:58,900 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:38:58,900 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:38:58,900 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:38:58,904 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:58" (1/1) ... [2024-11-13 21:38:58,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:38:58,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f4848f-ed47-41ca-8c38-06968b0ffab2/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:38:58,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f4848f-ed47-41ca-8c38-06968b0ffab2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:38:58,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f4848f-ed47-41ca-8c38-06968b0ffab2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:38:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:38:58,977 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:38:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:38:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:38:58,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:38:59,205 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:38:59,208 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:38:59,371 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 21:38:59,371 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:38:59,448 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:38:59,449 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:38:59,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:38:59 BoogieIcfgContainer [2024-11-13 21:38:59,450 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:38:59,451 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:38:59,451 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:38:59,464 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:38:59,464 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:38:59" (1/1) ... [2024-11-13 21:38:59,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:38:59,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:59,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:38:59,556 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:38:59,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:38:59,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:59,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:38:59,726 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:38:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:38:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:38:59,857 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:38:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:38:59,898 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:38:59,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:38:59 ImpRootNode [2024-11-13 21:38:59,938 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:38:59,938 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:38:59,939 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:38:59,939 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:38:59,940 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:38:59" (3/4) ... [2024-11-13 21:38:59,942 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:38:59,943 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:38:59,945 INFO L158 Benchmark]: Toolchain (without parser) took 2728.05ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-11-13 21:38:59,945 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:38:59,946 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1571.76ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 57.0MB in the end (delta: 58.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 21:38:59,946 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.02ms. Allocated memory is still 142.6MB. Free memory was 57.0MB in the beginning and 54.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:38:59,947 INFO L158 Benchmark]: Boogie Preprocessor took 38.23ms. Allocated memory is still 142.6MB. Free memory was 54.5MB in the beginning and 53.4MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:38:59,947 INFO L158 Benchmark]: RCFGBuilder took 549.84ms. Allocated memory is still 142.6MB. Free memory was 53.4MB in the beginning and 108.3MB in the end (delta: -54.9MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-11-13 21:38:59,948 INFO L158 Benchmark]: CodeCheck took 487.31ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 95.2MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:38:59,949 INFO L158 Benchmark]: Witness Printer took 5.16ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 94.4MB in the end (delta: 764.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:38:59,952 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_min_postdec_52_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_postdec_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_postdec_52c_badSink(data) [L1572] 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 0.30ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1571.76ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 57.0MB in the end (delta: 58.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.02ms. Allocated memory is still 142.6MB. Free memory was 57.0MB in the beginning and 54.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.23ms. Allocated memory is still 142.6MB. Free memory was 54.5MB in the beginning and 53.4MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 549.84ms. Allocated memory is still 142.6MB. Free memory was 53.4MB in the beginning and 108.3MB in the end (delta: -54.9MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * CodeCheck took 487.31ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 95.2MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.16ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 94.4MB in the end (delta: 764.6kB). 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 21:38:59,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f4848f-ed47-41ca-8c38-06968b0ffab2/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_51f4848f-ed47-41ca-8c38-06968b0ffab2/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f4848f-ed47-41ca-8c38-06968b0ffab2/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_51f4848f-ed47-41ca-8c38-06968b0ffab2/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f4848f-ed47-41ca-8c38-06968b0ffab2/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f4848f-ed47-41ca-8c38-06968b0ffab2/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_51f4848f-ed47-41ca-8c38-06968b0ffab2/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 bdb70d6c239416bf5bfbf89082c20524184aa1a8f2f2133915f6ca7c258bf66d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:39:03,144 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:39:03,270 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f4848f-ed47-41ca-8c38-06968b0ffab2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:39:03,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:39:03,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:39:03,300 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:39:03,300 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:39:03,300 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:39:03,301 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:39:03,301 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:39:03,301 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:39:03,301 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:39:03,301 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:39:03,301 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:39:03,302 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:39:03,303 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:39:03,303 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:39:03,303 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:39:03,303 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:39:03,303 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:39:03,303 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:39:03,303 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:39:03,304 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:39:03,304 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:39:03,304 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:39:03,304 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:39:03,304 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:39:03,304 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:39:03,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:39:03,304 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:39:03,305 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:39:03,305 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:39:03,305 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:39:03,305 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:39:03,305 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:39:03,305 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_51f4848f-ed47-41ca-8c38-06968b0ffab2/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 -> bdb70d6c239416bf5bfbf89082c20524184aa1a8f2f2133915f6ca7c258bf66d [2024-11-13 21:39:03,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:39:03,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:39:03,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:39:03,671 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:39:03,672 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:39:03,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f4848f-ed47-41ca-8c38-06968b0ffab2/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_52_bad.i Unable to find full path for "g++" [2024-11-13 21:39:05,678 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:39:06,145 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:39:06,145 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f4848f-ed47-41ca-8c38-06968b0ffab2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_52_bad.i [2024-11-13 21:39:06,185 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f4848f-ed47-41ca-8c38-06968b0ffab2/bin/ukojak-verify-EEHR8qb7sm/data/d6b746136/cf6767dc63364776823f27202dd41ea2/FLAG41833e5c6 [2024-11-13 21:39:06,212 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f4848f-ed47-41ca-8c38-06968b0ffab2/bin/ukojak-verify-EEHR8qb7sm/data/d6b746136/cf6767dc63364776823f27202dd41ea2 [2024-11-13 21:39:06,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:39:06,216 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:39:06,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:39:06,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:39:06,227 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:39:06,228 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:39:06" (1/1) ... [2024-11-13 21:39:06,231 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@510babb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:06, skipping insertion in model container [2024-11-13 21:39:06,232 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:39:06" (1/1) ... [2024-11-13 21:39:06,304 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:39:07,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:39:07,516 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:39:07,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:39:07,837 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:39:07,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:07 WrapperNode [2024-11-13 21:39:07,838 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:39:07,839 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:39:07,839 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:39:07,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:39:07,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:07" (1/1) ... [2024-11-13 21:39:07,872 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:07" (1/1) ... [2024-11-13 21:39:07,892 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 45 [2024-11-13 21:39:07,893 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:39:07,893 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:39:07,894 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:39:07,894 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:39:07,901 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:07" (1/1) ... [2024-11-13 21:39:07,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:07" (1/1) ... [2024-11-13 21:39:07,904 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:07" (1/1) ... [2024-11-13 21:39:07,904 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:07" (1/1) ... [2024-11-13 21:39:07,912 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:07" (1/1) ... [2024-11-13 21:39:07,914 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:07" (1/1) ... [2024-11-13 21:39:07,916 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:07" (1/1) ... [2024-11-13 21:39:07,918 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:07" (1/1) ... [2024-11-13 21:39:07,921 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:39:07,922 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:39:07,922 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:39:07,922 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:39:07,923 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:07" (1/1) ... [2024-11-13 21:39:07,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:39:07,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f4848f-ed47-41ca-8c38-06968b0ffab2/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:39:07,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f4848f-ed47-41ca-8c38-06968b0ffab2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:39:07,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f4848f-ed47-41ca-8c38-06968b0ffab2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:39:07,995 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:39:07,995 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:39:07,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:39:07,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:39:07,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:39:08,208 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:39:08,210 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:39:08,367 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 21:39:08,367 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:39:08,463 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:39:08,464 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:39:08,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:39:08 BoogieIcfgContainer [2024-11-13 21:39:08,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:39:08,465 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:39:08,465 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:39:08,483 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:39:08,484 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:39:08" (1/1) ... [2024-11-13 21:39:08,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:39:08,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:39:08,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:39:08,579 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:39:08,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:39:08,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:39:08,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:39:08,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f4848f-ed47-41ca-8c38-06968b0ffab2/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:39:08,590 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f4848f-ed47-41ca-8c38-06968b0ffab2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:39:08,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f4848f-ed47-41ca-8c38-06968b0ffab2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:39:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:39:08,790 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:39:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:39:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:39:08,908 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:39:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:39:08,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f4848f-ed47-41ca-8c38-06968b0ffab2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:39:08,966 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:39:09,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:39:09 ImpRootNode [2024-11-13 21:39:09,012 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:39:09,013 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:39:09,013 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:39:09,014 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:39:09,016 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:39:08" (3/4) ... [2024-11-13 21:39:09,019 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:39:09,020 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:39:09,024 INFO L158 Benchmark]: Toolchain (without parser) took 2805.20ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 42.6MB in the end (delta: 14.6MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-11-13 21:39:09,025 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:39:09,025 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1620.09ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 51.1MB in the end (delta: 5.8MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-13 21:39:09,029 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.18ms. Allocated memory is still 83.9MB. Free memory was 51.1MB in the beginning and 48.3MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:39:09,030 INFO L158 Benchmark]: Boogie Preprocessor took 27.74ms. Allocated memory is still 83.9MB. Free memory was 48.3MB in the beginning and 46.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:39:09,030 INFO L158 Benchmark]: RCFGBuilder took 542.67ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 31.8MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:39:09,030 INFO L158 Benchmark]: CodeCheck took 547.32ms. Allocated memory is still 83.9MB. Free memory was 31.8MB in the beginning and 42.6MB in the end (delta: -10.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:39:09,031 INFO L158 Benchmark]: Witness Printer took 7.31ms. Allocated memory is still 83.9MB. Free memory was 42.6MB in the beginning and 42.6MB in the end (delta: 6.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:39:09,036 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: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_min_postdec_52_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_postdec_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_postdec_52c_badSink(data) [L1572] 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 0.29ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1620.09ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 51.1MB in the end (delta: 5.8MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.18ms. Allocated memory is still 83.9MB. Free memory was 51.1MB in the beginning and 48.3MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.74ms. Allocated memory is still 83.9MB. Free memory was 48.3MB in the beginning and 46.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 542.67ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 31.8MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 547.32ms. Allocated memory is still 83.9MB. Free memory was 31.8MB in the beginning and 42.6MB in the end (delta: -10.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.31ms. Allocated memory is still 83.9MB. Free memory was 42.6MB in the beginning and 42.6MB in the end (delta: 6.5kB). 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 21:39:09,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51f4848f-ed47-41ca-8c38-06968b0ffab2/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