./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b --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 c5c705a04b0cbbfc6e9e9f2ea7a11929aed0b365130501b8b951264a3fd11682 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:21:07,910 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:21:07,962 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 00:21:07,966 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:21:07,966 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:21:07,984 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:21:07,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:21:07,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:21:07,986 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:21:07,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:21:07,986 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:21:07,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:21:07,986 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:21:07,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:21:07,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:21:07,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:21:07,986 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:21:07,986 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:21:07,987 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:21:07,987 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:21:07,987 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:21:07,987 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:21:07,987 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:21:07,987 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:21:07,987 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:21:07,987 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:21:07,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:21:07,987 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:21:07,988 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:21:07,988 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:21:07,988 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:21:07,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:21:07,988 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_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b 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 -> c5c705a04b0cbbfc6e9e9f2ea7a11929aed0b365130501b8b951264a3fd11682 [2024-12-06 00:21:08,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:21:08,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:21:08,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:21:08,201 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:21:08,202 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:21:08,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_bad.i [2024-12-06 00:21:10,895 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/data/cf0d92152/afcfd7998fee4f15b05b1a2a0fac5b66/FLAG6de6b3e38 [2024-12-06 00:21:11,205 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:21:11,206 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_bad.i [2024-12-06 00:21:11,224 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/data/cf0d92152/afcfd7998fee4f15b05b1a2a0fac5b66/FLAG6de6b3e38 [2024-12-06 00:21:11,238 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/data/cf0d92152/afcfd7998fee4f15b05b1a2a0fac5b66 [2024-12-06 00:21:11,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:21:11,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:21:11,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:21:11,244 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:21:11,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:21:11,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:21:11" (1/1) ... [2024-12-06 00:21:11,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19fbc14e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:11, skipping insertion in model container [2024-12-06 00:21:11,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:21:11" (1/1) ... [2024-12-06 00:21:11,288 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:21:11,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:21:11,907 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:21:11,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:21:12,082 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:21:12,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:12 WrapperNode [2024-12-06 00:21:12,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:21:12,084 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:21:12,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:21:12,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:21:12,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:12" (1/1) ... [2024-12-06 00:21:12,107 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:12" (1/1) ... [2024-12-06 00:21:12,125 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 101 [2024-12-06 00:21:12,125 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:21:12,126 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:21:12,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:21:12,126 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:21:12,134 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:12" (1/1) ... [2024-12-06 00:21:12,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:12" (1/1) ... [2024-12-06 00:21:12,136 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:12" (1/1) ... [2024-12-06 00:21:12,136 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:12" (1/1) ... [2024-12-06 00:21:12,141 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:12" (1/1) ... [2024-12-06 00:21:12,142 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:12" (1/1) ... [2024-12-06 00:21:12,144 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:12" (1/1) ... [2024-12-06 00:21:12,145 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:12" (1/1) ... [2024-12-06 00:21:12,145 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:12" (1/1) ... [2024-12-06 00:21:12,147 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:21:12,148 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:21:12,148 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:21:12,148 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:21:12,149 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:12" (1/1) ... [2024-12-06 00:21:12,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:21:12,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:21:12,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:21:12,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:21:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 00:21:12,201 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 00:21:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:21:12,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:21:12,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:21:12,314 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:21:12,316 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:21:12,487 INFO L? ?]: Removed 65 outVars from TransFormulas that were not future-live. [2024-12-06 00:21:12,487 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:21:12,646 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:21:12,646 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:21:12,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:21:12 BoogieIcfgContainer [2024-12-06 00:21:12,646 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:21:12,647 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:21:12,647 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:21:12,654 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:21:12,654 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:21:12" (1/1) ... [2024-12-06 00:21:12,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:21:12,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:12,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 00:21:12,697 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 00:21:12,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 00:21:12,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:12,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:21:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:21:12,880 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:21:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:21:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:21:13,000 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:21:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:21:13,033 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 00:21:13,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:21:13 ImpRootNode [2024-12-06 00:21:13,054 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:21:13,054 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:21:13,054 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:21:13,055 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:21:13,055 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:21:12" (3/4) ... [2024-12-06 00:21:13,057 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:21:13,058 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:21:13,059 INFO L158 Benchmark]: Toolchain (without parser) took 1816.89ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 65.4MB in the end (delta: 23.4MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2024-12-06 00:21:13,059 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 72.4MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:21:13,060 INFO L158 Benchmark]: CACSL2BoogieTranslator took 839.61ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 81.9MB in the end (delta: 6.7MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-12-06 00:21:13,060 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.03ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 78.6MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:21:13,061 INFO L158 Benchmark]: Boogie Preprocessor took 20.85ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 77.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:21:13,061 INFO L158 Benchmark]: RCFGBuilder took 498.52ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 40.7MB in the end (delta: 36.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 00:21:13,061 INFO L158 Benchmark]: CodeCheck took 407.22ms. Allocated memory is still 117.4MB. Free memory was 40.7MB in the beginning and 66.2MB in the end (delta: -25.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:21:13,062 INFO L158 Benchmark]: Witness Printer took 3.80ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 65.4MB in the end (delta: 753.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:21:13,064 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1561. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_rand_postdec_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1561] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1562] CALL funcPtr(data) [L1551] 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 0.27ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 72.4MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 839.61ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 81.9MB in the end (delta: 6.7MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.03ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 78.6MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.85ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 77.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 498.52ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 40.7MB in the end (delta: 36.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 407.22ms. Allocated memory is still 117.4MB. Free memory was 40.7MB in the beginning and 66.2MB in the end (delta: -25.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.80ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 65.4MB in the end (delta: 753.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 00:21:13,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/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_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b --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 c5c705a04b0cbbfc6e9e9f2ea7a11929aed0b365130501b8b951264a3fd11682 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:21:14,948 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:21:15,028 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 00:21:15,052 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:21:15,053 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:21:15,053 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:21:15,053 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:21:15,053 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:21:15,053 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:21:15,054 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:21:15,054 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:21:15,054 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:21:15,054 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:21:15,054 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:21:15,054 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:21:15,054 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:21:15,054 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:21:15,054 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:21:15,055 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:21:15,055 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:21:15,055 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:21:15,055 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:21:15,055 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:21:15,055 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:21:15,055 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:21:15,055 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:15,055 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:21:15,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:21:15,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:21:15,056 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:21:15,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:21:15,056 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:21:15,056 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:21:15,056 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:15,056 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:21:15,056 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_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b 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 -> c5c705a04b0cbbfc6e9e9f2ea7a11929aed0b365130501b8b951264a3fd11682 [2024-12-06 00:21:15,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:21:15,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:21:15,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:21:15,292 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:21:15,293 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:21:15,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_bad.i [2024-12-06 00:21:17,987 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/data/416cd956a/c6b35afa917c4a87a33b7adce3ebdf75/FLAG569aabd2d [2024-12-06 00:21:18,264 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:21:18,265 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_bad.i [2024-12-06 00:21:18,284 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/data/416cd956a/c6b35afa917c4a87a33b7adce3ebdf75/FLAG569aabd2d [2024-12-06 00:21:18,532 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/data/416cd956a/c6b35afa917c4a87a33b7adce3ebdf75 [2024-12-06 00:21:18,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:21:18,535 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:21:18,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:21:18,535 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:21:18,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:21:18,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:21:18" (1/1) ... [2024-12-06 00:21:18,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@755c1227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:18, skipping insertion in model container [2024-12-06 00:21:18,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:21:18" (1/1) ... [2024-12-06 00:21:18,572 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:21:19,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:21:19,198 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:21:19,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:21:19,372 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:21:19,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:19 WrapperNode [2024-12-06 00:21:19,372 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:21:19,373 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:21:19,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:21:19,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:21:19,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:19" (1/1) ... [2024-12-06 00:21:19,395 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:19" (1/1) ... [2024-12-06 00:21:19,413 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 61 [2024-12-06 00:21:19,413 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:21:19,413 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:21:19,414 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:21:19,414 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:21:19,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:19" (1/1) ... [2024-12-06 00:21:19,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:19" (1/1) ... [2024-12-06 00:21:19,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:19" (1/1) ... [2024-12-06 00:21:19,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:19" (1/1) ... [2024-12-06 00:21:19,432 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:19" (1/1) ... [2024-12-06 00:21:19,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:19" (1/1) ... [2024-12-06 00:21:19,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:19" (1/1) ... [2024-12-06 00:21:19,436 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:19" (1/1) ... [2024-12-06 00:21:19,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:19" (1/1) ... [2024-12-06 00:21:19,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:21:19,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:21:19,441 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:21:19,441 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:21:19,442 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:19" (1/1) ... [2024-12-06 00:21:19,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:21:19,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:21:19,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:21:19,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:21:19,501 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 00:21:19,501 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 00:21:19,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:21:19,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:21:19,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:21:19,636 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:21:19,637 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:21:19,744 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-12-06 00:21:19,744 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:21:19,805 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:21:19,805 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:21:19,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:21:19 BoogieIcfgContainer [2024-12-06 00:21:19,806 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:21:19,807 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:21:19,807 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:21:19,817 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:21:19,817 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:21:19" (1/1) ... [2024-12-06 00:21:19,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:21:19,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:19,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 00:21:19,873 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 00:21:19,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 00:21:19,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:19,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:19,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:19,882 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:19,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:21:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:21:20,028 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:21:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:21:20,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:21:20,113 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:21:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:21:20,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:21:20,155 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 00:21:20,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:21:20 ImpRootNode [2024-12-06 00:21:20,179 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:21:20,179 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:21:20,180 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:21:20,180 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:21:20,180 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:21:19" (3/4) ... [2024-12-06 00:21:20,181 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 00:21:20,219 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-12-06 00:21:20,261 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 00:21:20,261 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 00:21:20,261 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:21:20,262 INFO L158 Benchmark]: Toolchain (without parser) took 1727.59ms. Allocated memory is still 92.3MB. Free memory was 66.7MB in the beginning and 51.1MB in the end (delta: 15.6MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-12-06 00:21:20,263 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:21:20,263 INFO L158 Benchmark]: CACSL2BoogieTranslator took 837.35ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 61.8MB in the end (delta: 4.7MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-12-06 00:21:20,263 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.83ms. Allocated memory is still 92.3MB. Free memory was 61.8MB in the beginning and 59.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:21:20,263 INFO L158 Benchmark]: Boogie Preprocessor took 26.68ms. Allocated memory is still 92.3MB. Free memory was 59.1MB in the beginning and 57.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:21:20,264 INFO L158 Benchmark]: RCFGBuilder took 365.26ms. Allocated memory is still 92.3MB. Free memory was 57.4MB in the beginning and 38.9MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:21:20,264 INFO L158 Benchmark]: CodeCheck took 372.20ms. Allocated memory is still 92.3MB. Free memory was 38.9MB in the beginning and 55.8MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:21:20,264 INFO L158 Benchmark]: Witness Printer took 82.00ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 51.1MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:21:20,266 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1551]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_rand_postdec_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1562] CALL funcPtr(data) [L1551] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 837.35ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 61.8MB in the end (delta: 4.7MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.83ms. Allocated memory is still 92.3MB. Free memory was 61.8MB in the beginning and 59.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.68ms. Allocated memory is still 92.3MB. Free memory was 59.1MB in the beginning and 57.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 365.26ms. Allocated memory is still 92.3MB. Free memory was 57.4MB in the beginning and 38.9MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 372.20ms. Allocated memory is still 92.3MB. Free memory was 38.9MB in the beginning and 55.8MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 82.00ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 51.1MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 00:21:20,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b49d257-0386-4825-b594-1e78e54cf9a8/bin/ukojak-verify-CZk0znPC7b/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)