./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_52_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_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/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_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/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_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/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 c6b9e056f53c4e0da5d1e9328327d5ed616cc5d7f3c25f2eeb36053e0a486a37 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:28:42,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:28:42,160 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 23:28:42,166 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:28:42,166 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:28:42,189 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:28:42,190 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:28:42,191 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:28:42,191 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:28:42,191 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:28:42,191 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:28:42,191 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:28:42,192 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:28:42,192 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:28:42,192 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:28:42,192 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:28:42,192 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:28:42,192 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:28:42,192 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:28:42,192 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:28:42,193 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:28:42,193 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:28:42,193 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:28:42,193 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:28:42,193 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:28:42,193 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:28:42,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:28:42,193 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:28:42,194 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:28:42,194 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:28:42,194 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:28:42,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:28:42,194 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_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/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 -> c6b9e056f53c4e0da5d1e9328327d5ed616cc5d7f3c25f2eeb36053e0a486a37 [2024-12-05 23:28:42,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:28:42,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:28:42,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:28:42,511 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:28:42,511 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:28:42,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_52_bad.i [2024-12-05 23:28:45,885 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/bin/ukojak-verify-CZk0znPC7b/data/7b4130697/ec2362e7094f40fa802aff809068dffe/FLAG6f9517120 [2024-12-05 23:28:46,227 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:28:46,228 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_52_bad.i [2024-12-05 23:28:46,249 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/bin/ukojak-verify-CZk0znPC7b/data/7b4130697/ec2362e7094f40fa802aff809068dffe/FLAG6f9517120 [2024-12-05 23:28:46,266 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/bin/ukojak-verify-CZk0znPC7b/data/7b4130697/ec2362e7094f40fa802aff809068dffe [2024-12-05 23:28:46,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:28:46,270 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:28:46,272 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:28:46,272 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:28:46,276 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:28:46,276 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:28:46" (1/1) ... [2024-12-05 23:28:46,277 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35feac61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:28:46, skipping insertion in model container [2024-12-05 23:28:46,278 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:28:46" (1/1) ... [2024-12-05 23:28:46,319 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:28:47,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:28:47,194 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:28:47,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:28:47,414 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:28:47,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:28:47 WrapperNode [2024-12-05 23:28:47,415 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:28:47,417 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:28:47,417 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:28:47,417 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:28:47,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:28:47" (1/1) ... [2024-12-05 23:28:47,441 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:28:47" (1/1) ... [2024-12-05 23:28:47,464 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 99 [2024-12-05 23:28:47,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:28:47,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:28:47,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:28:47,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:28:47,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:28:47" (1/1) ... [2024-12-05 23:28:47,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:28:47" (1/1) ... [2024-12-05 23:28:47,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:28:47" (1/1) ... [2024-12-05 23:28:47,477 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:28:47" (1/1) ... [2024-12-05 23:28:47,483 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:28:47" (1/1) ... [2024-12-05 23:28:47,484 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:28:47" (1/1) ... [2024-12-05 23:28:47,486 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:28:47" (1/1) ... [2024-12-05 23:28:47,488 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:28:47" (1/1) ... [2024-12-05 23:28:47,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:28:47" (1/1) ... [2024-12-05 23:28:47,492 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:28:47,493 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:28:47,493 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:28:47,493 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:28:47,494 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:28:47" (1/1) ... [2024-12-05 23:28:47,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:28:47,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:28:47,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:28:47,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:28:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 23:28:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 23:28:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:28:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:28:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:28:47,700 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:28:47,702 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:28:47,914 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-12-05 23:28:47,915 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:28:48,130 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:28:48,130 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:28:48,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:28:48 BoogieIcfgContainer [2024-12-05 23:28:48,131 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:28:48,132 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:28:48,132 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:28:48,144 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:28:48,144 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:28:48" (1/1) ... [2024-12-05 23:28:48,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:28:48,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:28:48,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-05 23:28:48,200 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-05 23:28:48,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:28:48,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:28:48,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:28:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:28:48,474 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:28:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:28:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:28:48,626 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:28:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:28:48,675 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:28:48,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:28:48 ImpRootNode [2024-12-05 23:28:48,703 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:28:48,704 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:28:48,704 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:28:48,704 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:28:48,705 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:28:48" (3/4) ... [2024-12-05 23:28:48,707 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:28:48,708 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:28:48,709 INFO L158 Benchmark]: Toolchain (without parser) took 2439.02ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 57.7MB in the end (delta: 31.3MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2024-12-05 23:28:48,710 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 73.2MB in the end (delta: 86.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:28:48,710 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1144.32ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 80.0MB in the end (delta: 8.7MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-12-05 23:28:48,710 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.93ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 76.8MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:28:48,711 INFO L158 Benchmark]: Boogie Preprocessor took 27.06ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:28:48,711 INFO L158 Benchmark]: RCFGBuilder took 637.92ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 38.1MB in the end (delta: 37.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-05 23:28:48,712 INFO L158 Benchmark]: CodeCheck took 571.53ms. Allocated memory is still 117.4MB. Free memory was 38.1MB in the beginning and 57.7MB in the end (delta: -19.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:28:48,712 INFO L158 Benchmark]: Witness Printer took 4.14ms. Allocated memory is still 117.4MB. Free memory was 57.7MB in the beginning and 57.7MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:28:48,714 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1553. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_52_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_postdec_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_postdec_52c_badSink(data) [L1572] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 73.2MB in the end (delta: 86.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1144.32ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 80.0MB in the end (delta: 8.7MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.93ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 76.8MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.06ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 637.92ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 38.1MB in the end (delta: 37.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 571.53ms. Allocated memory is still 117.4MB. Free memory was 38.1MB in the beginning and 57.7MB in the end (delta: -19.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.14ms. Allocated memory is still 117.4MB. Free memory was 57.7MB in the beginning and 57.7MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 23:28:48,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/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_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/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_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/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_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/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 c6b9e056f53c4e0da5d1e9328327d5ed616cc5d7f3c25f2eeb36053e0a486a37 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:28:51,096 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:28:51,196 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 23:28:51,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:28:51,231 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:28:51,231 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:28:51,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:28:51,232 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:28:51,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:28:51,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:28:51,232 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:28:51,232 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:28:51,232 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:28:51,232 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:28:51,232 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:28:51,233 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:28:51,233 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:28:51,233 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:28:51,233 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:28:51,233 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:28:51,233 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:28:51,233 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:28:51,233 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:28:51,233 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:28:51,234 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:28:51,234 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:28:51,234 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:28:51,234 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:28:51,235 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:28:51,235 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:28:51,235 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:28:51,235 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:28:51,235 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:28:51,235 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:28:51,235 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:28:51,236 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_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/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 -> c6b9e056f53c4e0da5d1e9328327d5ed616cc5d7f3c25f2eeb36053e0a486a37 [2024-12-05 23:28:51,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:28:51,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:28:51,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:28:51,552 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:28:51,553 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:28:51,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_52_bad.i [2024-12-05 23:28:54,809 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/bin/ukojak-verify-CZk0znPC7b/data/437399ebc/6635e68ba9b0423b9c92b5fb44232d4b/FLAG2e637c0e7 [2024-12-05 23:28:55,165 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:28:55,165 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_52_bad.i [2024-12-05 23:28:55,188 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/bin/ukojak-verify-CZk0znPC7b/data/437399ebc/6635e68ba9b0423b9c92b5fb44232d4b/FLAG2e637c0e7 [2024-12-05 23:28:55,370 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/bin/ukojak-verify-CZk0znPC7b/data/437399ebc/6635e68ba9b0423b9c92b5fb44232d4b [2024-12-05 23:28:55,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:28:55,373 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:28:55,374 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:28:55,374 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:28:55,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:28:55,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:28:55" (1/1) ... [2024-12-05 23:28:55,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f1b53e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:28:55, skipping insertion in model container [2024-12-05 23:28:55,380 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:28:55" (1/1) ... [2024-12-05 23:28:55,416 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:28:56,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:28:56,182 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:28:56,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:28:56,405 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:28:56,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:28:56 WrapperNode [2024-12-05 23:28:56,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:28:56,407 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:28:56,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:28:56,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:28:56,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:28:56" (1/1) ... [2024-12-05 23:28:56,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:28:56" (1/1) ... [2024-12-05 23:28:56,459 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 59 [2024-12-05 23:28:56,459 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:28:56,460 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:28:56,460 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:28:56,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:28:56,469 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:28:56" (1/1) ... [2024-12-05 23:28:56,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:28:56" (1/1) ... [2024-12-05 23:28:56,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:28:56" (1/1) ... [2024-12-05 23:28:56,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:28:56" (1/1) ... [2024-12-05 23:28:56,483 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:28:56" (1/1) ... [2024-12-05 23:28:56,484 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:28:56" (1/1) ... [2024-12-05 23:28:56,486 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:28:56" (1/1) ... [2024-12-05 23:28:56,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:28:56" (1/1) ... [2024-12-05 23:28:56,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:28:56" (1/1) ... [2024-12-05 23:28:56,494 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:28:56,495 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:28:56,495 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:28:56,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:28:56,496 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:28:56" (1/1) ... [2024-12-05 23:28:56,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:28:56,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:28:56,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:28:56,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:28:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 23:28:56,567 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 23:28:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:28:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:28:56,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:28:56,707 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:28:56,709 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:28:56,837 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-12-05 23:28:56,837 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:28:56,907 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:28:56,907 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:28:56,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:28:56 BoogieIcfgContainer [2024-12-05 23:28:56,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:28:56,908 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:28:56,908 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:28:56,916 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:28:56,917 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:28:56" (1/1) ... [2024-12-05 23:28:56,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:28:56,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:28:56,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-05 23:28:56,968 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-05 23:28:56,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:28:56,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:28:56,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:28:56,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:28:56,976 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:28:56,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:28:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:28:57,178 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:28:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:28:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:28:57,298 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:28:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:28:57,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:28:57,334 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:28:57,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:28:57 ImpRootNode [2024-12-05 23:28:57,364 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:28:57,365 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:28:57,365 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:28:57,365 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:28:57,366 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:28:56" (3/4) ... [2024-12-05 23:28:57,367 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 23:28:57,415 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-05 23:28:57,468 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:28:57,469 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:28:57,469 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:28:57,470 INFO L158 Benchmark]: Toolchain (without parser) took 2096.34ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 52.4MB in the end (delta: 13.7MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-12-05 23:28:57,470 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:28:57,470 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1031.86ms. Allocated memory is still 92.3MB. Free memory was 66.1MB in the beginning and 61.4MB in the end (delta: 4.7MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-12-05 23:28:57,471 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.63ms. Allocated memory is still 92.3MB. Free memory was 61.4MB in the beginning and 58.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:28:57,471 INFO L158 Benchmark]: Boogie Preprocessor took 33.95ms. Allocated memory is still 92.3MB. Free memory was 58.6MB in the beginning and 56.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:28:57,471 INFO L158 Benchmark]: RCFGBuilder took 413.08ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 39.8MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:28:57,472 INFO L158 Benchmark]: CodeCheck took 455.84ms. Allocated memory is still 92.3MB. Free memory was 39.8MB in the beginning and 56.7MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:28:57,472 INFO L158 Benchmark]: Witness Printer took 103.75ms. Allocated memory is still 92.3MB. Free memory was 56.7MB in the beginning and 52.4MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:28:57,474 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 - CounterExampleResult [Line: 1572]: 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); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_52_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_postdec_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_postdec_52c_badSink(data) [L1572] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1031.86ms. Allocated memory is still 92.3MB. Free memory was 66.1MB in the beginning and 61.4MB in the end (delta: 4.7MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.63ms. Allocated memory is still 92.3MB. Free memory was 61.4MB in the beginning and 58.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.95ms. Allocated memory is still 92.3MB. Free memory was 58.6MB in the beginning and 56.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 413.08ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 39.8MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 455.84ms. Allocated memory is still 92.3MB. Free memory was 39.8MB in the beginning and 56.7MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 103.75ms. Allocated memory is still 92.3MB. Free memory was 56.7MB in the beginning and 52.4MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 23:28:57,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9fd697-81a1-4a4f-b3d6-40be0fb171d1/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)