./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_08_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_806001de-97bd-4134-b785-0611ef4d93b1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/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_806001de-97bd-4134-b785-0611ef4d93b1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/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_806001de-97bd-4134-b785-0611ef4d93b1/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 381b3a2df9eb7fcff5246c621e10fe140c3de2a0e2259cb89bbc8586bf13f77c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:45:51,026 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:45:51,086 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 02:45:51,091 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:45:51,091 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:45:51,111 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:45:51,112 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:45:51,112 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:45:51,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:45:51,113 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:45:51,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:45:51,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:45:51,113 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:45:51,113 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:45:51,113 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:45:51,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:45:51,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:45:51,113 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:45:51,114 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:45:51,114 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:45:51,114 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:45:51,114 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:45:51,114 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:45:51,114 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:45:51,114 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:45:51,114 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:45:51,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:45:51,115 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:45:51,115 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:45:51,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:45:51,115 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:45:51,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:45:51,115 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_806001de-97bd-4134-b785-0611ef4d93b1/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 -> 381b3a2df9eb7fcff5246c621e10fe140c3de2a0e2259cb89bbc8586bf13f77c [2024-12-06 02:45:51,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:45:51,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:45:51,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:45:51,360 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:45:51,361 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:45:51,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_08_bad.i [2024-12-06 02:45:54,020 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/bin/ukojak-verify-CZk0znPC7b/data/147af69f4/8858843786ca4969b8bcca774e8eea66/FLAG9518075f7 [2024-12-06 02:45:54,338 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:45:54,339 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_08_bad.i [2024-12-06 02:45:54,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/bin/ukojak-verify-CZk0znPC7b/data/147af69f4/8858843786ca4969b8bcca774e8eea66/FLAG9518075f7 [2024-12-06 02:45:54,367 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/bin/ukojak-verify-CZk0znPC7b/data/147af69f4/8858843786ca4969b8bcca774e8eea66 [2024-12-06 02:45:54,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:45:54,370 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:45:54,372 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:45:54,372 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:45:54,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:45:54,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:45:54" (1/1) ... [2024-12-06 02:45:54,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@746534f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:54, skipping insertion in model container [2024-12-06 02:45:54,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:45:54" (1/1) ... [2024-12-06 02:45:54,409 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:45:54,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:45:55,006 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:45:55,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:45:55,154 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:45:55,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:55 WrapperNode [2024-12-06 02:45:55,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:45:55,155 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:45:55,155 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:45:55,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:45:55,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:55" (1/1) ... [2024-12-06 02:45:55,185 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:55" (1/1) ... [2024-12-06 02:45:55,204 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 103 [2024-12-06 02:45:55,204 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:45:55,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:45:55,205 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:45:55,205 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:45:55,210 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:55" (1/1) ... [2024-12-06 02:45:55,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:55" (1/1) ... [2024-12-06 02:45:55,213 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:55" (1/1) ... [2024-12-06 02:45:55,213 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:55" (1/1) ... [2024-12-06 02:45:55,217 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:55" (1/1) ... [2024-12-06 02:45:55,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:55" (1/1) ... [2024-12-06 02:45:55,220 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:55" (1/1) ... [2024-12-06 02:45:55,222 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:55" (1/1) ... [2024-12-06 02:45:55,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:55" (1/1) ... [2024-12-06 02:45:55,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:45:55,226 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:45:55,226 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:45:55,226 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:45:55,226 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:55" (1/1) ... [2024-12-06 02:45:55,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:45:55,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:45:55,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:45:55,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:45:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 02:45:55,278 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 02:45:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:45:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:45:55,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:45:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-12-06 02:45:55,278 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-12-06 02:45:55,398 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:45:55,399 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:45:55,582 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-12-06 02:45:55,582 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:45:55,736 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:45:55,736 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 02:45:55,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:45:55 BoogieIcfgContainer [2024-12-06 02:45:55,737 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:45:55,737 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:45:55,737 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:45:55,744 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:45:55,744 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:45:55" (1/1) ... [2024-12-06 02:45:55,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:45:55,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:45:55,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2024-12-06 02:45:55,787 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2024-12-06 02:45:55,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:45:55,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:45:55,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:45:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:45:55,985 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:45:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:45:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:45:56,114 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:45:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:45:56,160 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 02:45:56,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:45:56 ImpRootNode [2024-12-06 02:45:56,186 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:45:56,187 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:45:56,187 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:45:56,187 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:45:56,188 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:45:55" (3/4) ... [2024-12-06 02:45:56,190 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 02:45:56,191 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:45:56,192 INFO L158 Benchmark]: Toolchain (without parser) took 1821.18ms. Allocated memory is still 142.6MB. Free memory was 113.8MB in the beginning and 88.9MB in the end (delta: 24.9MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2024-12-06 02:45:56,192 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:45:56,193 INFO L158 Benchmark]: CACSL2BoogieTranslator took 783.16ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 54.0MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 02:45:56,193 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.59ms. Allocated memory is still 142.6MB. Free memory was 53.7MB in the beginning and 112.6MB in the end (delta: -58.9MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-12-06 02:45:56,193 INFO L158 Benchmark]: Boogie Preprocessor took 20.36ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 111.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:45:56,194 INFO L158 Benchmark]: RCFGBuilder took 511.17ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 69.8MB in the end (delta: 41.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 02:45:56,194 INFO L158 Benchmark]: CodeCheck took 449.16ms. Allocated memory is still 142.6MB. Free memory was 69.8MB in the beginning and 88.9MB in the end (delta: -19.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:45:56,194 INFO L158 Benchmark]: Witness Printer took 4.04ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 88.9MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:45:56,196 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 21 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, 16 NumberOfCodeBlocks, 16 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: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1562. 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE191_Integer_Underflow__int_rand_multiply_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1562] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE staticReturnsTrue() [L1566] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] data * 2 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 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 783.16ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 54.0MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.59ms. Allocated memory is still 142.6MB. Free memory was 53.7MB in the beginning and 112.6MB in the end (delta: -58.9MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.36ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 111.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 511.17ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 69.8MB in the end (delta: 41.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 449.16ms. Allocated memory is still 142.6MB. Free memory was 69.8MB in the beginning and 88.9MB in the end (delta: -19.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.04ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 88.9MB in the end (delta: 9.0kB). 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 02:45:56,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/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_806001de-97bd-4134-b785-0611ef4d93b1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/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_806001de-97bd-4134-b785-0611ef4d93b1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/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_806001de-97bd-4134-b785-0611ef4d93b1/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 381b3a2df9eb7fcff5246c621e10fe140c3de2a0e2259cb89bbc8586bf13f77c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:45:58,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:45:58,168 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 02:45:58,191 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:45:58,192 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:45:58,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:45:58,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:45:58,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:45:58,193 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:45:58,193 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:45:58,193 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:45:58,193 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:45:58,193 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:45:58,193 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:45:58,194 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:45:58,194 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:45:58,194 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:45:58,194 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:45:58,194 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:45:58,194 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:45:58,194 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:45:58,194 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:45:58,194 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:45:58,194 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:45:58,195 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:45:58,195 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:45:58,195 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:45:58,195 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:45:58,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:45:58,195 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:45:58,195 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:45:58,195 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:45:58,195 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:45:58,196 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:45:58,196 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:45:58,196 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_806001de-97bd-4134-b785-0611ef4d93b1/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 -> 381b3a2df9eb7fcff5246c621e10fe140c3de2a0e2259cb89bbc8586bf13f77c [2024-12-06 02:45:58,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:45:58,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:45:58,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:45:58,437 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:45:58,437 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:45:58,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_08_bad.i [2024-12-06 02:46:01,144 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/bin/ukojak-verify-CZk0znPC7b/data/2fad1c4c0/1148b23a49b24300b45859b7ce5a6fbe/FLAG6e30830b0 [2024-12-06 02:46:01,419 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:46:01,420 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_08_bad.i [2024-12-06 02:46:01,440 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/bin/ukojak-verify-CZk0znPC7b/data/2fad1c4c0/1148b23a49b24300b45859b7ce5a6fbe/FLAG6e30830b0 [2024-12-06 02:46:01,455 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/bin/ukojak-verify-CZk0znPC7b/data/2fad1c4c0/1148b23a49b24300b45859b7ce5a6fbe [2024-12-06 02:46:01,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:46:01,459 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:46:01,460 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:46:01,460 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:46:01,465 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:46:01,465 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:46:01" (1/1) ... [2024-12-06 02:46:01,466 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d861d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:01, skipping insertion in model container [2024-12-06 02:46:01,466 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:46:01" (1/1) ... [2024-12-06 02:46:01,501 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:46:02,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:46:02,155 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:46:02,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:46:02,370 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:46:02,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:02 WrapperNode [2024-12-06 02:46:02,371 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:46:02,372 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:46:02,372 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:46:02,372 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:46:02,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:02" (1/1) ... [2024-12-06 02:46:02,395 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:02" (1/1) ... [2024-12-06 02:46:02,413 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-12-06 02:46:02,414 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:46:02,414 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:46:02,414 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:46:02,414 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:46:02,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:02" (1/1) ... [2024-12-06 02:46:02,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:02" (1/1) ... [2024-12-06 02:46:02,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:02" (1/1) ... [2024-12-06 02:46:02,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:02" (1/1) ... [2024-12-06 02:46:02,431 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:02" (1/1) ... [2024-12-06 02:46:02,432 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:02" (1/1) ... [2024-12-06 02:46:02,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:02" (1/1) ... [2024-12-06 02:46:02,436 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:02" (1/1) ... [2024-12-06 02:46:02,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:02" (1/1) ... [2024-12-06 02:46:02,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:46:02,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:46:02,441 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:46:02,441 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:46:02,442 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:02" (1/1) ... [2024-12-06 02:46:02,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:46:02,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:46:02,471 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:46:02,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:46:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 02:46:02,496 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 02:46:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:46:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:46:02,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:46:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-12-06 02:46:02,497 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-12-06 02:46:02,605 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:46:02,607 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:46:02,717 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-06 02:46:02,717 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:46:02,766 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:46:02,766 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 02:46:02,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:46:02 BoogieIcfgContainer [2024-12-06 02:46:02,767 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:46:02,768 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:46:02,768 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:46:02,775 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:46:02,775 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:46:02" (1/1) ... [2024-12-06 02:46:02,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:46:02,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:46:02,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2024-12-06 02:46:02,817 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-12-06 02:46:02,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 02:46:02,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:46:02,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:46:02,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:46:02,822 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:46:02,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:46:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:46:02,969 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:46:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:46:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:46:03,082 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:46:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:46:03,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:46:03,123 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 02:46:03,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:46:03 ImpRootNode [2024-12-06 02:46:03,149 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:46:03,150 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:46:03,150 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:46:03,150 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:46:03,150 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:46:02" (3/4) ... [2024-12-06 02:46:03,151 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 02:46:03,194 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 12. [2024-12-06 02:46:03,242 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:46:03,242 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:46:03,242 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:46:03,243 INFO L158 Benchmark]: Toolchain (without parser) took 1784.59ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 50.2MB in the end (delta: 16.0MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-12-06 02:46:03,243 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:46:03,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 911.01ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 61.9MB in the end (delta: 4.1MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-12-06 02:46:03,244 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.10ms. Allocated memory is still 92.3MB. Free memory was 61.9MB in the beginning and 59.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:46:03,244 INFO L158 Benchmark]: Boogie Preprocessor took 26.09ms. Allocated memory is still 92.3MB. Free memory was 59.2MB 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 02:46:03,245 INFO L158 Benchmark]: RCFGBuilder took 326.15ms. Allocated memory is still 92.3MB. Free memory was 57.4MB in the beginning and 40.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:46:03,245 INFO L158 Benchmark]: CodeCheck took 381.23ms. Allocated memory is still 92.3MB. Free memory was 40.3MB in the beginning and 55.5MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:46:03,245 INFO L158 Benchmark]: Witness Printer took 92.63ms. Allocated memory is still 92.3MB. Free memory was 55.0MB in the beginning and 50.2MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:46:03,247 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1568]: 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE191_Integer_Underflow__int_rand_multiply_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE staticReturnsTrue() [L1566] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 911.01ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 61.9MB in the end (delta: 4.1MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.10ms. Allocated memory is still 92.3MB. Free memory was 61.9MB in the beginning and 59.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.09ms. Allocated memory is still 92.3MB. Free memory was 59.2MB in the beginning and 57.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 326.15ms. Allocated memory is still 92.3MB. Free memory was 57.4MB in the beginning and 40.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 381.23ms. Allocated memory is still 92.3MB. Free memory was 40.3MB in the beginning and 55.5MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 92.63ms. Allocated memory is still 92.3MB. Free memory was 55.0MB in the beginning and 50.2MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 02:46:03,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806001de-97bd-4134-b785-0611ef4d93b1/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)