./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_16_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_81c3d86a-b4de-4180-9347-e706dded50fd/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c3d86a-b4de-4180-9347-e706dded50fd/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_81c3d86a-b4de-4180-9347-e706dded50fd/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c3d86a-b4de-4180-9347-e706dded50fd/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c3d86a-b4de-4180-9347-e706dded50fd/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_81c3d86a-b4de-4180-9347-e706dded50fd/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 c05645565c30d5f3744deaa74d299a7565cd313569154091fc157b8f8a716eb1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:00:58,530 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:00:58,617 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c3d86a-b4de-4180-9347-e706dded50fd/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:00:58,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:00:58,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:00:58,663 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:00:58,664 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:00:58,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:00:58,665 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:00:58,666 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:00:58,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:00:58,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:00:58,666 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:00:58,666 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:00:58,666 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:00:58,666 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:00:58,666 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:00:58,667 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:00:58,667 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:00:58,667 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:00:58,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:00:58,667 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:00:58,667 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:00:58,667 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:00:58,667 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:00:58,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:00:58,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:00:58,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:00:58,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:00:58,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:00:58,668 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:00:58,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:00:58,668 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_81c3d86a-b4de-4180-9347-e706dded50fd/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 -> c05645565c30d5f3744deaa74d299a7565cd313569154091fc157b8f8a716eb1 [2024-11-13 21:00:59,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:00:59,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:00:59,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:00:59,020 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:00:59,021 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:00:59,024 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c3d86a-b4de-4180-9347-e706dded50fd/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_16_bad.i Unable to find full path for "g++" [2024-11-13 21:01:01,053 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:01:01,497 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:01:01,498 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c3d86a-b4de-4180-9347-e706dded50fd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_16_bad.i [2024-11-13 21:01:01,536 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c3d86a-b4de-4180-9347-e706dded50fd/bin/ukojak-verify-EEHR8qb7sm/data/8927f6c72/0d32f8db3d3f4fbdb967fe062bfe8adb/FLAG2892c2c57 [2024-11-13 21:01:01,625 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c3d86a-b4de-4180-9347-e706dded50fd/bin/ukojak-verify-EEHR8qb7sm/data/8927f6c72/0d32f8db3d3f4fbdb967fe062bfe8adb [2024-11-13 21:01:01,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:01:01,629 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:01:01,631 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:01:01,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:01:01,635 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:01:01,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:01:01" (1/1) ... [2024-11-13 21:01:01,637 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@645d93f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:01, skipping insertion in model container [2024-11-13 21:01:01,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:01:01" (1/1) ... [2024-11-13 21:01:01,683 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:01:02,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:01:02,527 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:01:02,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:01:02,755 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:01:02,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:02 WrapperNode [2024-11-13 21:01:02,756 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:01:02,757 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:01:02,757 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:01:02,757 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:01:02,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:02" (1/1) ... [2024-11-13 21:01:02,781 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:02" (1/1) ... [2024-11-13 21:01:02,801 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2024-11-13 21:01:02,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:01:02,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:01:02,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:01:02,803 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:01:02,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:02" (1/1) ... [2024-11-13 21:01:02,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:02" (1/1) ... [2024-11-13 21:01:02,812 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:02" (1/1) ... [2024-11-13 21:01:02,812 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:02" (1/1) ... [2024-11-13 21:01:02,816 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:02" (1/1) ... [2024-11-13 21:01:02,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:02" (1/1) ... [2024-11-13 21:01:02,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:02" (1/1) ... [2024-11-13 21:01:02,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:02" (1/1) ... [2024-11-13 21:01:02,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:01:02,823 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:01:02,823 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:01:02,824 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:01:02,826 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:02" (1/1) ... [2024-11-13 21:01:02,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:01:02,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c3d86a-b4de-4180-9347-e706dded50fd/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:01:02,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c3d86a-b4de-4180-9347-e706dded50fd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:01:02,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c3d86a-b4de-4180-9347-e706dded50fd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:01:02,888 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:01:02,888 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:01:02,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:01:02,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:01:02,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:01:03,029 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:01:03,031 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:01:03,131 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 21:01:03,131 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:01:03,198 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:01:03,200 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:01:03,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:01:03 BoogieIcfgContainer [2024-11-13 21:01:03,200 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:01:03,201 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:01:03,201 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:01:03,211 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:01:03,213 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:01:03" (1/1) ... [2024-11-13 21:01:03,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:01:03,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:01:03,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:01:03,295 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:01:03,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:01:03,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:01:03,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:01:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:01:03,450 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:01:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:01:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:01:03,547 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:01:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:01:03,584 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:01:03,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:01:03 ImpRootNode [2024-11-13 21:01:03,626 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:01:03,626 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:01:03,627 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:01:03,627 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:01:03,628 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:01:03" (3/4) ... [2024-11-13 21:01:03,631 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:01:03,632 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:01:03,633 INFO L158 Benchmark]: Toolchain (without parser) took 2003.43ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 53.5MB in the end (delta: 36.4MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-11-13 21:01:03,633 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:01:03,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1125.66ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 83.9MB in the end (delta: 5.9MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 21:01:03,634 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.87ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 81.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:01:03,637 INFO L158 Benchmark]: Boogie Preprocessor took 20.39ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.9MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:01:03,637 INFO L158 Benchmark]: RCFGBuilder took 376.93ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 67.3MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:01:03,638 INFO L158 Benchmark]: CodeCheck took 424.89ms. Allocated memory is still 117.4MB. Free memory was 67.3MB in the beginning and 54.0MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:01:03,638 INFO L158 Benchmark]: Witness Printer took 5.54ms. Allocated memory is still 117.4MB. Free memory was 54.0MB in the beginning and 53.5MB in the end (delta: 580.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:01:03,641 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: 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 1569. 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); [L1569] 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) [L1569] 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] [L1570] CALL CWE191_Integer_Underflow__int_min_sub_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [L1554] data = (-0x7fffffff - 1) 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] [L1557] COND TRUE 1 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] [L1560] 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 0.38ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1125.66ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 83.9MB in the end (delta: 5.9MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.87ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 81.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.39ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.9MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 376.93ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 67.3MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 424.89ms. Allocated memory is still 117.4MB. Free memory was 67.3MB in the beginning and 54.0MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.54ms. Allocated memory is still 117.4MB. Free memory was 54.0MB in the beginning and 53.5MB in the end (delta: 580.3kB). 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 21:01:03,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c3d86a-b4de-4180-9347-e706dded50fd/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_81c3d86a-b4de-4180-9347-e706dded50fd/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c3d86a-b4de-4180-9347-e706dded50fd/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_81c3d86a-b4de-4180-9347-e706dded50fd/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c3d86a-b4de-4180-9347-e706dded50fd/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c3d86a-b4de-4180-9347-e706dded50fd/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_81c3d86a-b4de-4180-9347-e706dded50fd/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 c05645565c30d5f3744deaa74d299a7565cd313569154091fc157b8f8a716eb1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:01:06,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:01:06,901 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c3d86a-b4de-4180-9347-e706dded50fd/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:01:06,959 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:01:06,962 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:01:06,962 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:01:06,963 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:01:06,964 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:01:06,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:01:06,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:01:06,965 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:01:06,966 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:01:06,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:01:06,966 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:01:06,967 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:01:06,968 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:01:06,968 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:01:06,969 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:01:06,969 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:01:06,969 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:01:06,969 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:01:06,969 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:01:06,969 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:01:06,970 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:01:06,970 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:01:06,970 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:01:06,970 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:01:06,970 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:01:06,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:01:06,971 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:01:06,971 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:01:06,971 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:01:06,971 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:01:06,971 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:01:06,971 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:01:06,971 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_81c3d86a-b4de-4180-9347-e706dded50fd/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 -> c05645565c30d5f3744deaa74d299a7565cd313569154091fc157b8f8a716eb1 [2024-11-13 21:01:07,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:01:07,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:01:07,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:01:07,413 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:01:07,413 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:01:07,419 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c3d86a-b4de-4180-9347-e706dded50fd/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_16_bad.i Unable to find full path for "g++" [2024-11-13 21:01:09,665 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:01:10,189 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:01:10,190 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c3d86a-b4de-4180-9347-e706dded50fd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_16_bad.i [2024-11-13 21:01:10,234 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c3d86a-b4de-4180-9347-e706dded50fd/bin/ukojak-verify-EEHR8qb7sm/data/4a4e2c9c7/a41787018b1947d0a3a0a740117c15a6/FLAG195461bc2 [2024-11-13 21:01:10,752 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c3d86a-b4de-4180-9347-e706dded50fd/bin/ukojak-verify-EEHR8qb7sm/data/4a4e2c9c7/a41787018b1947d0a3a0a740117c15a6 [2024-11-13 21:01:10,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:01:10,757 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:01:10,759 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:01:10,759 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:01:10,765 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:01:10,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:01:10" (1/1) ... [2024-11-13 21:01:10,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65e882b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:10, skipping insertion in model container [2024-11-13 21:01:10,768 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:01:10" (1/1) ... [2024-11-13 21:01:10,823 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:01:12,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:01:12,141 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:01:12,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:01:12,397 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:01:12,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:12 WrapperNode [2024-11-13 21:01:12,398 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:01:12,400 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:01:12,400 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:01:12,400 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:01:12,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:12" (1/1) ... [2024-11-13 21:01:12,429 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:12" (1/1) ... [2024-11-13 21:01:12,449 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2024-11-13 21:01:12,449 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:01:12,450 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:01:12,450 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:01:12,450 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:01:12,458 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:12" (1/1) ... [2024-11-13 21:01:12,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:12" (1/1) ... [2024-11-13 21:01:12,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:12" (1/1) ... [2024-11-13 21:01:12,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:12" (1/1) ... [2024-11-13 21:01:12,469 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:12" (1/1) ... [2024-11-13 21:01:12,472 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:12" (1/1) ... [2024-11-13 21:01:12,474 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:12" (1/1) ... [2024-11-13 21:01:12,475 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:12" (1/1) ... [2024-11-13 21:01:12,478 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:01:12,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:01:12,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:01:12,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:01:12,481 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:12" (1/1) ... [2024-11-13 21:01:12,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:01:12,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c3d86a-b4de-4180-9347-e706dded50fd/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:01:12,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c3d86a-b4de-4180-9347-e706dded50fd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:01:12,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c3d86a-b4de-4180-9347-e706dded50fd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:01:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:01:12,548 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:01:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:01:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:01:12,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:01:12,701 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:01:12,703 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:01:12,837 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 21:01:12,838 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:01:12,912 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:01:12,912 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:01:12,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:01:12 BoogieIcfgContainer [2024-11-13 21:01:12,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:01:12,913 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:01:12,914 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:01:12,925 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:01:12,925 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:01:12" (1/1) ... [2024-11-13 21:01:12,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:01:12,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:01:12,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:01:12,981 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:01:12,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:01:12,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:01:12,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:01:12,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c3d86a-b4de-4180-9347-e706dded50fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:01:12,990 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c3d86a-b4de-4180-9347-e706dded50fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:01:12,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c3d86a-b4de-4180-9347-e706dded50fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:01:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:01:13,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:01:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:01:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:01:13,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:01:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:01:13,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c3d86a-b4de-4180-9347-e706dded50fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:01:13,337 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:01:13,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:01:13 ImpRootNode [2024-11-13 21:01:13,374 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:01:13,375 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:01:13,375 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:01:13,375 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:01:13,376 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:01:12" (3/4) ... [2024-11-13 21:01:13,380 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:01:13,381 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:01:13,382 INFO L158 Benchmark]: Toolchain (without parser) took 2625.23ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 48.3MB in the end (delta: 41.4MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2024-11-13 21:01:13,382 INFO L158 Benchmark]: CDTParser took 4.26ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:01:13,383 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1640.51ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 79.9MB in the end (delta: 9.8MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-11-13 21:01:13,383 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.89ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 76.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:01:13,384 INFO L158 Benchmark]: Boogie Preprocessor took 28.43ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:01:13,385 INFO L158 Benchmark]: RCFGBuilder took 433.59ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 60.1MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:01:13,388 INFO L158 Benchmark]: CodeCheck took 460.45ms. Allocated memory is still 117.4MB. Free memory was 60.1MB in the beginning and 48.3MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:01:13,389 INFO L158 Benchmark]: Witness Printer took 6.30ms. Allocated memory is still 117.4MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:01:13,391 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: 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 1569. 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); [L1569] 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) [L1569] 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] [L1570] CALL CWE191_Integer_Underflow__int_min_sub_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [L1554] data = (-0x7fffffff - 1) 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] [L1557] COND TRUE 1 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] [L1560] 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 4.26ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1640.51ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 79.9MB in the end (delta: 9.8MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.89ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 76.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.43ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 433.59ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 60.1MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 460.45ms. Allocated memory is still 117.4MB. Free memory was 60.1MB in the beginning and 48.3MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 6.30ms. Allocated memory is still 117.4MB. Free memory is still 48.3MB. 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 21:01:13,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c3d86a-b4de-4180-9347-e706dded50fd/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