./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_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_04bff6b9-d30f-46df-9d77-fa8512e10951/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04bff6b9-d30f-46df-9d77-fa8512e10951/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_04bff6b9-d30f-46df-9d77-fa8512e10951/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04bff6b9-d30f-46df-9d77-fa8512e10951/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04bff6b9-d30f-46df-9d77-fa8512e10951/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_04bff6b9-d30f-46df-9d77-fa8512e10951/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 3e36a199aa0ccdd77af56159f0b4bbf8a4cac90e77a9fae4396e11976ef891d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:57:29,617 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:57:29,705 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04bff6b9-d30f-46df-9d77-fa8512e10951/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 16:57:29,710 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:57:29,710 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:57:29,736 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:57:29,737 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:57:29,737 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:57:29,737 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:57:29,737 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:57:29,738 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:57:29,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:57:29,738 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:57:29,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:57:29,738 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:57:29,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:57:29,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:57:29,738 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:57:29,740 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:57:29,740 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:57:29,740 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:57:29,741 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:57:29,741 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:57:29,741 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:57:29,741 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:57:29,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:57:29,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:57:29,742 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:57:29,742 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:57:29,742 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:57:29,742 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:57:29,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:57:29,743 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_04bff6b9-d30f-46df-9d77-fa8512e10951/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 -> 3e36a199aa0ccdd77af56159f0b4bbf8a4cac90e77a9fae4396e11976ef891d5 [2024-11-13 16:57:30,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:57:30,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:57:30,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:57:30,032 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:57:30,032 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:57:30,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04bff6b9-d30f-46df-9d77-fa8512e10951/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_52_bad.i Unable to find full path for "g++" [2024-11-13 16:57:31,869 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:57:32,443 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:57:32,444 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04bff6b9-d30f-46df-9d77-fa8512e10951/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_52_bad.i [2024-11-13 16:57:32,488 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04bff6b9-d30f-46df-9d77-fa8512e10951/bin/ukojak-verify-EEHR8qb7sm/data/b5922ec5b/736f6dfff1fe43f18459e65e485bf9f6/FLAG8112d2cb2 [2024-11-13 16:57:32,516 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04bff6b9-d30f-46df-9d77-fa8512e10951/bin/ukojak-verify-EEHR8qb7sm/data/b5922ec5b/736f6dfff1fe43f18459e65e485bf9f6 [2024-11-13 16:57:32,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:57:32,522 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:57:32,526 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:57:32,526 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:57:32,533 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:57:32,535 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:57:32" (1/1) ... [2024-11-13 16:57:32,537 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79e9fa83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:32, skipping insertion in model container [2024-11-13 16:57:32,537 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:57:32" (1/1) ... [2024-11-13 16:57:32,607 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:57:33,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:57:33,771 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:57:33,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:57:34,009 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:57:34,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:34 WrapperNode [2024-11-13 16:57:34,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:57:34,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:57:34,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:57:34,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:57:34,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:34" (1/1) ... [2024-11-13 16:57:34,033 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:34" (1/1) ... [2024-11-13 16:57:34,058 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 103 [2024-11-13 16:57:34,058 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:57:34,059 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:57:34,059 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:57:34,060 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:57:34,067 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:34" (1/1) ... [2024-11-13 16:57:34,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:34" (1/1) ... [2024-11-13 16:57:34,069 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:34" (1/1) ... [2024-11-13 16:57:34,069 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:34" (1/1) ... [2024-11-13 16:57:34,074 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:34" (1/1) ... [2024-11-13 16:57:34,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:34" (1/1) ... [2024-11-13 16:57:34,078 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:34" (1/1) ... [2024-11-13 16:57:34,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:34" (1/1) ... [2024-11-13 16:57:34,081 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:57:34,082 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:57:34,082 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:57:34,082 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:57:34,083 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:34" (1/1) ... [2024-11-13 16:57:34,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:57:34,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04bff6b9-d30f-46df-9d77-fa8512e10951/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:57:34,124 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04bff6b9-d30f-46df-9d77-fa8512e10951/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:57:34,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04bff6b9-d30f-46df-9d77-fa8512e10951/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:57:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:57:34,157 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:57:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:57:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:57:34,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:57:34,339 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:57:34,341 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:57:34,581 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-13 16:57:34,581 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:57:34,911 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:57:34,912 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:57:34,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:57:34 BoogieIcfgContainer [2024-11-13 16:57:34,912 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:57:34,913 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:57:34,914 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:57:34,924 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:57:34,925 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:57:34" (1/1) ... [2024-11-13 16:57:34,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:57:34,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:34,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 16:57:34,989 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 16:57:34,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:57:34,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:34,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:57:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:57:35,278 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:57:35,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:57:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:57:35,495 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:57:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:57:35,555 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:57:35,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:57:35 ImpRootNode [2024-11-13 16:57:35,590 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:57:35,590 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:57:35,590 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:57:35,590 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:57:35,593 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:57:34" (3/4) ... [2024-11-13 16:57:35,595 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:57:35,596 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:57:35,596 INFO L158 Benchmark]: Toolchain (without parser) took 3074.34ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 50.1MB in the end (delta: 66.0MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. [2024-11-13 16:57:35,597 INFO L158 Benchmark]: CDTParser took 0.83ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:35,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1485.09ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 57.4MB in the end (delta: 58.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 16:57:35,598 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.38ms. Allocated memory is still 142.6MB. Free memory was 57.4MB in the beginning and 54.5MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:35,598 INFO L158 Benchmark]: Boogie Preprocessor took 22.01ms. Allocated memory is still 142.6MB. Free memory was 54.5MB in the beginning and 53.2MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:57:35,598 INFO L158 Benchmark]: RCFGBuilder took 830.83ms. Allocated memory is still 142.6MB. Free memory was 53.2MB in the beginning and 84.4MB in the end (delta: -31.2MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-13 16:57:35,599 INFO L158 Benchmark]: CodeCheck took 676.60ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 50.8MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 16:57:35,599 INFO L158 Benchmark]: Witness Printer took 5.50ms. Allocated memory is still 142.6MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:35,604 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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, overapproximation of bitwiseOr at line 1553. 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_rand_predec_52_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_predec_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_predec_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 0.83ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1485.09ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 57.4MB in the end (delta: 58.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.38ms. Allocated memory is still 142.6MB. Free memory was 57.4MB in the beginning and 54.5MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.01ms. Allocated memory is still 142.6MB. Free memory was 54.5MB in the beginning and 53.2MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 830.83ms. Allocated memory is still 142.6MB. Free memory was 53.2MB in the beginning and 84.4MB in the end (delta: -31.2MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * CodeCheck took 676.60ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 50.8MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 5.50ms. Allocated memory is still 142.6MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:57:35,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04bff6b9-d30f-46df-9d77-fa8512e10951/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_04bff6b9-d30f-46df-9d77-fa8512e10951/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04bff6b9-d30f-46df-9d77-fa8512e10951/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_04bff6b9-d30f-46df-9d77-fa8512e10951/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04bff6b9-d30f-46df-9d77-fa8512e10951/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04bff6b9-d30f-46df-9d77-fa8512e10951/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_04bff6b9-d30f-46df-9d77-fa8512e10951/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 3e36a199aa0ccdd77af56159f0b4bbf8a4cac90e77a9fae4396e11976ef891d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:57:38,298 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:57:38,412 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04bff6b9-d30f-46df-9d77-fa8512e10951/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 16:57:38,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:57:38,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:57:38,484 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:57:38,485 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:57:38,485 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:57:38,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:57:38,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:57:38,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:57:38,487 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:57:38,487 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:57:38,487 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:57:38,488 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:57:38,488 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:57:38,488 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:57:38,488 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:57:38,489 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:57:38,489 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:57:38,489 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:57:38,490 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:57:38,490 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:57:38,490 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:57:38,490 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:57:38,490 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:57:38,490 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:57:38,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:57:38,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:57:38,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:57:38,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:57:38,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:57:38,491 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:57:38,491 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:57:38,491 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:57:38,491 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_04bff6b9-d30f-46df-9d77-fa8512e10951/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 -> 3e36a199aa0ccdd77af56159f0b4bbf8a4cac90e77a9fae4396e11976ef891d5 [2024-11-13 16:57:38,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:57:38,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:57:38,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:57:38,802 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:57:38,802 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:57:38,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04bff6b9-d30f-46df-9d77-fa8512e10951/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_52_bad.i Unable to find full path for "g++" [2024-11-13 16:57:40,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:57:41,247 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:57:41,250 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04bff6b9-d30f-46df-9d77-fa8512e10951/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_52_bad.i [2024-11-13 16:57:41,285 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04bff6b9-d30f-46df-9d77-fa8512e10951/bin/ukojak-verify-EEHR8qb7sm/data/86f54dc40/58b5a6619c774260a432fc507b0c0050/FLAG505640f1a [2024-11-13 16:57:41,790 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04bff6b9-d30f-46df-9d77-fa8512e10951/bin/ukojak-verify-EEHR8qb7sm/data/86f54dc40/58b5a6619c774260a432fc507b0c0050 [2024-11-13 16:57:41,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:57:41,793 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:57:41,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:57:41,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:57:41,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:57:41,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:57:41" (1/1) ... [2024-11-13 16:57:41,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19590137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:41, skipping insertion in model container [2024-11-13 16:57:41,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:57:41" (1/1) ... [2024-11-13 16:57:41,861 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:57:42,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:57:42,773 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:57:42,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:57:43,066 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:57:43,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:43 WrapperNode [2024-11-13 16:57:43,067 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:57:43,068 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:57:43,068 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:57:43,068 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:57:43,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:43" (1/1) ... [2024-11-13 16:57:43,105 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:43" (1/1) ... [2024-11-13 16:57:43,139 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 63 [2024-11-13 16:57:43,139 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:57:43,140 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:57:43,140 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:57:43,140 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:57:43,148 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:43" (1/1) ... [2024-11-13 16:57:43,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:43" (1/1) ... [2024-11-13 16:57:43,152 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:43" (1/1) ... [2024-11-13 16:57:43,152 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:43" (1/1) ... [2024-11-13 16:57:43,164 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:43" (1/1) ... [2024-11-13 16:57:43,166 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:43" (1/1) ... [2024-11-13 16:57:43,168 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:43" (1/1) ... [2024-11-13 16:57:43,169 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:43" (1/1) ... [2024-11-13 16:57:43,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:57:43,174 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:57:43,174 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:57:43,174 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:57:43,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:43" (1/1) ... [2024-11-13 16:57:43,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:57:43,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04bff6b9-d30f-46df-9d77-fa8512e10951/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:57:43,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04bff6b9-d30f-46df-9d77-fa8512e10951/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:57:43,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04bff6b9-d30f-46df-9d77-fa8512e10951/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:57:43,242 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:57:43,243 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:57:43,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:57:43,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:57:43,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:57:43,415 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:57:43,416 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:57:43,569 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-13 16:57:43,569 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:57:43,662 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:57:43,663 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:57:43,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:57:43 BoogieIcfgContainer [2024-11-13 16:57:43,663 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:57:43,664 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:57:43,665 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:57:43,677 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:57:43,677 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:57:43" (1/1) ... [2024-11-13 16:57:43,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:57:43,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:43,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 16:57:43,749 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 16:57:43,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:57:43,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:43,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:57:43,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04bff6b9-d30f-46df-9d77-fa8512e10951/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:57:43,757 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04bff6b9-d30f-46df-9d77-fa8512e10951/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:57:43,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04bff6b9-d30f-46df-9d77-fa8512e10951/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:57:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:57:43,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:57:44,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:57:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:57:44,183 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:57:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:57:44,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04bff6b9-d30f-46df-9d77-fa8512e10951/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:57:44,236 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:57:44,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:57:44 ImpRootNode [2024-11-13 16:57:44,274 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:57:44,276 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:57:44,276 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:57:44,276 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:57:44,277 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:57:43" (3/4) ... [2024-11-13 16:57:44,281 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:57:44,282 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:57:44,285 INFO L158 Benchmark]: Toolchain (without parser) took 2490.23ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 80.6MB in the end (delta: 7.7MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-11-13 16:57:44,286 INFO L158 Benchmark]: CDTParser took 2.27ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:44,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1273.46ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 68.0MB in the end (delta: 20.3MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-13 16:57:44,287 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.57ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 65.4MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:44,290 INFO L158 Benchmark]: Boogie Preprocessor took 33.05ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 63.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:44,290 INFO L158 Benchmark]: RCFGBuilder took 489.52ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 45.6MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:57:44,291 INFO L158 Benchmark]: CodeCheck took 610.25ms. Allocated memory is still 117.4MB. Free memory was 45.6MB in the beginning and 81.3MB in the end (delta: -35.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:44,291 INFO L158 Benchmark]: Witness Printer took 6.54ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.6MB in the end (delta: 699.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:44,293 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_rand_predec_52_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_predec_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_predec_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 2.27ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1273.46ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 68.0MB in the end (delta: 20.3MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.57ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 65.4MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.05ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 63.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 489.52ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 45.6MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 610.25ms. Allocated memory is still 117.4MB. Free memory was 45.6MB in the beginning and 81.3MB in the end (delta: -35.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.54ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.6MB in the end (delta: 699.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:57:44,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04bff6b9-d30f-46df-9d77-fa8512e10951/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