./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_51_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_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3 --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 9fe1bf2b9178b10b540fd64eafb8aa3f4168490ff64386b1ded9c9521e21aa6d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:08:49,026 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:08:49,123 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-24 18:08:49,130 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:08:49,131 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:08:49,165 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:08:49,169 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:08:49,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:08:49,170 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:08:49,170 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:08:49,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:08:49,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:08:49,171 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:08:49,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:08:49,171 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:08:49,171 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:08:49,171 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:08:49,172 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:08:49,172 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:08:49,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:08:49,172 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:08:49,172 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:08:49,172 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:08:49,172 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:08:49,172 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:08:49,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:08:49,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:08:49,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:08:49,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:08:49,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:08:49,175 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:08:49,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:08:49,175 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_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3 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 -> 9fe1bf2b9178b10b540fd64eafb8aa3f4168490ff64386b1ded9c9521e21aa6d [2024-11-24 18:08:49,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:08:49,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:08:49,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:08:49,483 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:08:49,484 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:08:49,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_51_bad.i [2024-11-24 18:08:52,784 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/data/8d426ce29/77f924f043dd4e97a1521b8d0459bf8d/FLAG270d4fe1d [2024-11-24 18:08:53,243 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:08:53,246 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_51_bad.i [2024-11-24 18:08:53,281 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/data/8d426ce29/77f924f043dd4e97a1521b8d0459bf8d/FLAG270d4fe1d [2024-11-24 18:08:53,303 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/data/8d426ce29/77f924f043dd4e97a1521b8d0459bf8d [2024-11-24 18:08:53,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:08:53,308 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:08:53,311 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:08:53,312 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:08:53,321 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:08:53,322 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:08:53" (1/1) ... [2024-11-24 18:08:53,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aa0dc7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:53, skipping insertion in model container [2024-11-24 18:08:53,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:08:53" (1/1) ... [2024-11-24 18:08:53,388 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:08:54,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:08:54,341 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:08:54,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:08:54,632 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:08:54,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:54 WrapperNode [2024-11-24 18:08:54,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:08:54,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:08:54,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:08:54,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:08:54,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:54" (1/1) ... [2024-11-24 18:08:54,661 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:54" (1/1) ... [2024-11-24 18:08:54,685 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 97 [2024-11-24 18:08:54,686 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:08:54,686 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:08:54,687 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:08:54,687 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:08:54,695 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:54" (1/1) ... [2024-11-24 18:08:54,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:54" (1/1) ... [2024-11-24 18:08:54,698 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:54" (1/1) ... [2024-11-24 18:08:54,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:54" (1/1) ... [2024-11-24 18:08:54,711 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:54" (1/1) ... [2024-11-24 18:08:54,712 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:54" (1/1) ... [2024-11-24 18:08:54,714 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:54" (1/1) ... [2024-11-24 18:08:54,716 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:54" (1/1) ... [2024-11-24 18:08:54,717 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:54" (1/1) ... [2024-11-24 18:08:54,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:08:54,727 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:08:54,727 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:08:54,727 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:08:54,728 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:54" (1/1) ... [2024-11-24 18:08:54,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:08:54,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:08:54,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:08:54,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:08:54,790 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:08:54,790 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:08:54,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:08:54,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:08:54,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:08:54,923 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:08:54,925 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:08:55,148 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-24 18:08:55,148 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:08:55,405 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:08:55,406 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:08:55,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:08:55 BoogieIcfgContainer [2024-11-24 18:08:55,406 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:08:55,407 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:08:55,407 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:08:55,452 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:08:55,452 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:08:55" (1/1) ... [2024-11-24 18:08:55,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:08:55,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:55,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-24 18:08:55,526 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-24 18:08:55,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 18:08:55,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:55,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:08:55,864 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:08:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:08:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:08:56,101 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:08:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:08:56,153 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-24 18:08:56,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:08:56 ImpRootNode [2024-11-24 18:08:56,193 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:08:56,194 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:08:56,195 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:08:56,196 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:08:56,196 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:08:55" (3/4) ... [2024-11-24 18:08:56,199 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:08:56,200 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:08:56,202 INFO L158 Benchmark]: Toolchain (without parser) took 2893.60ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 89.3MB in the beginning and 120.3MB in the end (delta: -31.0MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2024-11-24 18:08:56,204 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:08:56,205 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1322.66ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 80.1MB in the end (delta: 9.2MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-24 18:08:56,205 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.23ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 77.1MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:08:56,205 INFO L158 Benchmark]: Boogie Preprocessor took 35.40ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 75.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:08:56,208 INFO L158 Benchmark]: RCFGBuilder took 679.84ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 38.8MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-24 18:08:56,208 INFO L158 Benchmark]: CodeCheck took 786.61ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 38.8MB in the beginning and 120.3MB in the end (delta: -81.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:08:56,208 INFO L158 Benchmark]: Witness Printer took 6.94ms. Allocated memory is still 184.5MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:08:56,211 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: 0.7s, 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: 1567]: 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_predec_51_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_predec_51b_badSink(data) [L1567] --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 0.31ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1322.66ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 80.1MB in the end (delta: 9.2MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.23ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 77.1MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.40ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 75.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 679.84ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 38.8MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 786.61ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 38.8MB in the beginning and 120.3MB in the end (delta: -81.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.94ms. Allocated memory is still 184.5MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 18:08:56,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/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_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3 --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 9fe1bf2b9178b10b540fd64eafb8aa3f4168490ff64386b1ded9c9521e21aa6d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:08:58,951 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:08:59,083 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-24 18:08:59,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:08:59,131 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:08:59,131 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:08:59,131 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:08:59,132 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:08:59,132 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:08:59,133 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:08:59,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:08:59,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:08:59,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:08:59,134 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:08:59,134 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:08:59,134 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:08:59,135 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:08:59,135 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:08:59,135 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:08:59,135 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:08:59,135 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:08:59,135 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:08:59,135 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:08:59,136 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:08:59,136 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:08:59,136 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:08:59,136 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:08:59,137 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:08:59,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:08:59,137 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:08:59,137 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:08:59,138 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:08:59,138 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:08:59,138 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:08:59,138 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:08:59,138 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_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3 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 -> 9fe1bf2b9178b10b540fd64eafb8aa3f4168490ff64386b1ded9c9521e21aa6d [2024-11-24 18:08:59,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:08:59,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:08:59,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:08:59,498 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:08:59,498 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:08:59,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_51_bad.i [2024-11-24 18:09:02,594 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/data/5ab100f5a/0cca8f0f7faa4db3b2fb397430a12128/FLAG3bcd08c6c [2024-11-24 18:09:02,955 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:09:02,956 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_51_bad.i [2024-11-24 18:09:02,979 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/data/5ab100f5a/0cca8f0f7faa4db3b2fb397430a12128/FLAG3bcd08c6c [2024-11-24 18:09:03,153 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/data/5ab100f5a/0cca8f0f7faa4db3b2fb397430a12128 [2024-11-24 18:09:03,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:09:03,156 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:09:03,157 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:09:03,158 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:09:03,163 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:09:03,163 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:09:03" (1/1) ... [2024-11-24 18:09:03,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ad76de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:03, skipping insertion in model container [2024-11-24 18:09:03,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:09:03" (1/1) ... [2024-11-24 18:09:03,219 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:09:04,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:09:04,188 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:09:04,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:09:04,576 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:09:04,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:04 WrapperNode [2024-11-24 18:09:04,577 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:09:04,578 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:09:04,578 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:09:04,578 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:09:04,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:04" (1/1) ... [2024-11-24 18:09:04,624 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:04" (1/1) ... [2024-11-24 18:09:04,654 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2024-11-24 18:09:04,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:09:04,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:09:04,657 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:09:04,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:09:04,664 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:04" (1/1) ... [2024-11-24 18:09:04,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:04" (1/1) ... [2024-11-24 18:09:04,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:04" (1/1) ... [2024-11-24 18:09:04,673 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:04" (1/1) ... [2024-11-24 18:09:04,684 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:04" (1/1) ... [2024-11-24 18:09:04,689 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:04" (1/1) ... [2024-11-24 18:09:04,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:04" (1/1) ... [2024-11-24 18:09:04,697 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:04" (1/1) ... [2024-11-24 18:09:04,698 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:04" (1/1) ... [2024-11-24 18:09:04,705 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:09:04,706 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:09:04,706 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:09:04,706 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:09:04,707 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:04" (1/1) ... [2024-11-24 18:09:04,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:09:04,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:09:04,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:09:04,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:09:04,793 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:09:04,793 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:09:04,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:09:04,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:09:04,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:09:04,968 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:09:04,970 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:09:05,110 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-24 18:09:05,110 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:09:05,188 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:09:05,188 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:09:05,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:09:05 BoogieIcfgContainer [2024-11-24 18:09:05,189 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:09:05,189 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:09:05,189 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:09:05,212 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:09:05,212 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:09:05" (1/1) ... [2024-11-24 18:09:05,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:09:05,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:05,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-24 18:09:05,278 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-24 18:09:05,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 18:09:05,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:05,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:05,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:05,287 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:05,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-24 18:09:05,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:09:05,495 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:09:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:09:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:09:05,620 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:09:05,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:09:05,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-24 18:09:05,667 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-24 18:09:05,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:09:05 ImpRootNode [2024-11-24 18:09:05,700 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:09:05,703 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:09:05,703 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:09:05,704 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:09:05,704 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:09:05" (3/4) ... [2024-11-24 18:09:05,705 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-24 18:09:05,751 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-11-24 18:09:05,799 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-24 18:09:05,800 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-24 18:09:05,800 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:09:05,802 INFO L158 Benchmark]: Toolchain (without parser) took 2644.26ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 34.6MB in the end (delta: 22.4MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2024-11-24 18:09:05,803 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:09:05,803 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1419.59ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 49.9MB in the end (delta: 6.7MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2024-11-24 18:09:05,803 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.01ms. Allocated memory is still 83.9MB. Free memory was 49.9MB in the beginning and 47.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:09:05,804 INFO L158 Benchmark]: Boogie Preprocessor took 48.61ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 45.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:09:05,806 INFO L158 Benchmark]: RCFGBuilder took 482.96ms. Allocated memory is still 83.9MB. Free memory was 45.7MB in the beginning and 28.8MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:09:05,807 INFO L158 Benchmark]: CodeCheck took 510.87ms. Allocated memory is still 83.9MB. Free memory was 28.8MB in the beginning and 39.4MB in the end (delta: -10.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:09:05,807 INFO L158 Benchmark]: Witness Printer took 96.91ms. Allocated memory is still 83.9MB. Free memory was 39.4MB in the beginning and 34.6MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:09:05,809 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: 1567]: 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_predec_51_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_predec_51b_badSink(data) [L1567] --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 0.46ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1419.59ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 49.9MB in the end (delta: 6.7MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.01ms. Allocated memory is still 83.9MB. Free memory was 49.9MB in the beginning and 47.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.61ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 45.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 482.96ms. Allocated memory is still 83.9MB. Free memory was 45.7MB in the beginning and 28.8MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 510.87ms. Allocated memory is still 83.9MB. Free memory was 28.8MB in the beginning and 39.4MB in the end (delta: -10.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 96.91ms. Allocated memory is still 83.9MB. Free memory was 39.4MB in the beginning and 34.6MB 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! [2024-11-24 18:09:05,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e672fb-3663-49ca-a85a-f1cb4384afd8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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)