./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_42_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_008facb9-8e99-4476-88b5-05660de18120/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/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_008facb9-8e99-4476-88b5-05660de18120/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/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_008facb9-8e99-4476-88b5-05660de18120/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 3e8464b5da4531f13246e2ae1208b5cb43ce32c1cab894265919e2fa34ff2b51 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:02:12,059 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:02:12,158 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:02:12,166 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:02:12,167 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:02:12,199 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:02:12,200 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:02:12,200 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:02:12,201 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:02:12,201 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:02:12,201 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:02:12,201 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:02:12,201 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:02:12,202 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:02:12,202 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:02:12,202 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:02:12,202 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:02:12,202 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:02:12,202 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:02:12,202 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:02:12,202 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:02:12,202 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:02:12,203 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:02:12,203 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:02:12,203 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:02:12,203 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:02:12,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:02:12,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:02:12,205 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:02:12,205 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:02:12,206 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:02:12,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:02:12,206 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_008facb9-8e99-4476-88b5-05660de18120/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 -> 3e8464b5da4531f13246e2ae1208b5cb43ce32c1cab894265919e2fa34ff2b51 [2024-11-25 03:02:12,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:02:12,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:02:12,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:02:12,557 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:02:12,558 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:02:12,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_42_bad.i [2024-11-25 03:02:15,550 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/bin/ukojak-verify-ENZ3QT5qd3/data/76aab46bd/e812daa497a14f8cb7ab5e12e4ab9d74/FLAG4a8afc394 [2024-11-25 03:02:16,152 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:02:16,153 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_42_bad.i [2024-11-25 03:02:16,186 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/bin/ukojak-verify-ENZ3QT5qd3/data/76aab46bd/e812daa497a14f8cb7ab5e12e4ab9d74/FLAG4a8afc394 [2024-11-25 03:02:16,203 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/bin/ukojak-verify-ENZ3QT5qd3/data/76aab46bd/e812daa497a14f8cb7ab5e12e4ab9d74 [2024-11-25 03:02:16,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:02:16,206 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:02:16,208 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:02:16,208 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:02:16,211 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:02:16,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:02:16" (1/1) ... [2024-11-25 03:02:16,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61f131bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:16, skipping insertion in model container [2024-11-25 03:02:16,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:02:16" (1/1) ... [2024-11-25 03:02:16,257 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:02:17,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:02:17,159 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:02:17,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:02:17,432 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:02:17,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:17 WrapperNode [2024-11-25 03:02:17,433 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:02:17,434 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:02:17,434 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:02:17,434 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:02:17,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:17" (1/1) ... [2024-11-25 03:02:17,458 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:17" (1/1) ... [2024-11-25 03:02:17,480 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 99 [2024-11-25 03:02:17,481 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:02:17,481 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:02:17,482 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:02:17,482 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:02:17,490 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:17" (1/1) ... [2024-11-25 03:02:17,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:17" (1/1) ... [2024-11-25 03:02:17,493 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:17" (1/1) ... [2024-11-25 03:02:17,493 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:17" (1/1) ... [2024-11-25 03:02:17,498 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:17" (1/1) ... [2024-11-25 03:02:17,500 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:17" (1/1) ... [2024-11-25 03:02:17,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:17" (1/1) ... [2024-11-25 03:02:17,504 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:17" (1/1) ... [2024-11-25 03:02:17,505 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:17" (1/1) ... [2024-11-25 03:02:17,507 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:02:17,508 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:02:17,509 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:02:17,509 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:02:17,510 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:17" (1/1) ... [2024-11-25 03:02:17,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:02:17,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:02:17,551 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:02:17,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:02:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:02:17,574 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:02:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:02:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:02:17,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:02:17,706 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:02:17,708 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:02:17,915 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-25 03:02:17,915 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:02:18,206 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:02:18,209 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:02:18,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:02:18 BoogieIcfgContainer [2024-11-25 03:02:18,209 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:02:18,210 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:02:18,211 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:02:18,221 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:02:18,222 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:02:18" (1/1) ... [2024-11-25 03:02:18,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:02:18,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:02:18,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 03:02:18,289 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 03:02:18,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:02:18,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:02:18,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:02:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:02:18,560 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:02:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:02:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:02:18,817 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:02:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:02:18,869 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:02:18,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:02:18 ImpRootNode [2024-11-25 03:02:18,905 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:02:18,906 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:02:18,906 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:02:18,906 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:02:18,907 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:02:18" (3/4) ... [2024-11-25 03:02:18,909 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:02:18,910 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:02:18,912 INFO L158 Benchmark]: Toolchain (without parser) took 2705.05ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 100.9MB in the end (delta: 14.9MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2024-11-25 03:02:18,912 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 142.6MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:02:18,913 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1225.69ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 107.4MB in the end (delta: 8.1MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-11-25 03:02:18,913 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.20ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 104.6MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:02:18,913 INFO L158 Benchmark]: Boogie Preprocessor took 25.91ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 103.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:02:18,914 INFO L158 Benchmark]: RCFGBuilder took 700.98ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 66.4MB in the end (delta: 37.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 03:02:18,914 INFO L158 Benchmark]: CodeCheck took 695.34ms. Allocated memory is still 142.6MB. Free memory was 66.4MB in the beginning and 100.9MB in the end (delta: -34.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:02:18,915 INFO L158 Benchmark]: Witness Printer took 4.68ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 100.9MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:02:18,917 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1550. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_sub_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1550] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] data - 1 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 142.6MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1225.69ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 107.4MB in the end (delta: 8.1MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.20ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 104.6MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.91ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 103.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 700.98ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 66.4MB in the end (delta: 37.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 695.34ms. Allocated memory is still 142.6MB. Free memory was 66.4MB in the beginning and 100.9MB in the end (delta: -34.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.68ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 100.9MB 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 [2024-11-25 03:02:18,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/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_008facb9-8e99-4476-88b5-05660de18120/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/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_008facb9-8e99-4476-88b5-05660de18120/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/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_008facb9-8e99-4476-88b5-05660de18120/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 3e8464b5da4531f13246e2ae1208b5cb43ce32c1cab894265919e2fa34ff2b51 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:02:21,672 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:02:21,786 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 03:02:21,831 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:02:21,832 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:02:21,832 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:02:21,833 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:02:21,833 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:02:21,833 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:02:21,834 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:02:21,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:02:21,835 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:02:21,835 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:02:21,835 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:02:21,836 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:02:21,836 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:02:21,836 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:02:21,836 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:02:21,836 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:02:21,836 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:02:21,836 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:02:21,837 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:02:21,837 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:02:21,837 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:02:21,837 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:02:21,837 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:02:21,837 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:02:21,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:02:21,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:02:21,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:02:21,838 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:02:21,838 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:02:21,838 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:02:21,838 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:02:21,839 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:02:21,839 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_008facb9-8e99-4476-88b5-05660de18120/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 -> 3e8464b5da4531f13246e2ae1208b5cb43ce32c1cab894265919e2fa34ff2b51 [2024-11-25 03:02:22,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:02:22,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:02:22,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:02:22,206 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:02:22,207 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:02:22,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_42_bad.i [2024-11-25 03:02:25,157 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/bin/ukojak-verify-ENZ3QT5qd3/data/dd4d138bb/3bb3d7a651594356a362f185087dc5b3/FLAG97701dffe [2024-11-25 03:02:25,570 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:02:25,571 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_42_bad.i [2024-11-25 03:02:25,600 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/bin/ukojak-verify-ENZ3QT5qd3/data/dd4d138bb/3bb3d7a651594356a362f185087dc5b3/FLAG97701dffe [2024-11-25 03:02:25,625 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/bin/ukojak-verify-ENZ3QT5qd3/data/dd4d138bb/3bb3d7a651594356a362f185087dc5b3 [2024-11-25 03:02:25,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:02:25,631 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:02:25,634 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:02:25,634 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:02:25,640 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:02:25,642 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:02:25" (1/1) ... [2024-11-25 03:02:25,645 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1855bcb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:25, skipping insertion in model container [2024-11-25 03:02:25,645 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:02:25" (1/1) ... [2024-11-25 03:02:25,728 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:02:26,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:02:26,822 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:02:26,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:02:27,141 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:02:27,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:27 WrapperNode [2024-11-25 03:02:27,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:02:27,144 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:02:27,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:02:27,145 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:02:27,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:27" (1/1) ... [2024-11-25 03:02:27,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:27" (1/1) ... [2024-11-25 03:02:27,199 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2024-11-25 03:02:27,199 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:02:27,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:02:27,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:02:27,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:02:27,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:27" (1/1) ... [2024-11-25 03:02:27,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:27" (1/1) ... [2024-11-25 03:02:27,211 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:27" (1/1) ... [2024-11-25 03:02:27,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:27" (1/1) ... [2024-11-25 03:02:27,219 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:27" (1/1) ... [2024-11-25 03:02:27,220 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:27" (1/1) ... [2024-11-25 03:02:27,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:27" (1/1) ... [2024-11-25 03:02:27,225 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:27" (1/1) ... [2024-11-25 03:02:27,226 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:27" (1/1) ... [2024-11-25 03:02:27,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:02:27,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:02:27,234 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:02:27,234 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:02:27,235 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:02:27" (1/1) ... [2024-11-25 03:02:27,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:02:27,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:02:27,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:02:27,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:02:27,312 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:02:27,312 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:02:27,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:02:27,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:02:27,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:02:27,495 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:02:27,497 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:02:27,685 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-25 03:02:27,685 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:02:27,782 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:02:27,783 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:02:27,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:02:27 BoogieIcfgContainer [2024-11-25 03:02:27,783 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:02:27,784 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:02:27,784 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:02:27,794 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:02:27,795 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:02:27" (1/1) ... [2024-11-25 03:02:27,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:02:27,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:02:27,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 03:02:27,866 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 03:02:27,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:02:27,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:02:27,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:02:27,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:02:27,875 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:02:27,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:02:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:02:28,073 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:02:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:02:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:02:28,184 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:02:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:02:28,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:02:28,231 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:02:28,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:02:28 ImpRootNode [2024-11-25 03:02:28,254 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:02:28,257 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:02:28,257 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:02:28,258 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:02:28,259 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:02:27" (3/4) ... [2024-11-25 03:02:28,260 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:02:28,313 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-11-25 03:02:28,357 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:02:28,357 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:02:28,361 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:02:28,362 INFO L158 Benchmark]: Toolchain (without parser) took 2730.42ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 54.9MB in the beginning and 45.2MB in the end (delta: 9.7MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2024-11-25 03:02:28,362 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:02:28,362 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1510.08ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 54.7MB in the beginning and 84.7MB in the end (delta: -29.9MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-11-25 03:02:28,363 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.15ms. Allocated memory is still 125.8MB. Free memory was 84.7MB in the beginning and 81.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:02:28,363 INFO L158 Benchmark]: Boogie Preprocessor took 33.43ms. Allocated memory is still 125.8MB. Free memory was 81.8MB in the beginning and 80.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:02:28,363 INFO L158 Benchmark]: RCFGBuilder took 549.25ms. Allocated memory is still 125.8MB. Free memory was 80.3MB in the beginning and 63.2MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:02:28,364 INFO L158 Benchmark]: CodeCheck took 470.73ms. Allocated memory is still 125.8MB. Free memory was 63.2MB in the beginning and 49.8MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:02:28,364 INFO L158 Benchmark]: Witness Printer took 104.15ms. Allocated memory is still 125.8MB. Free memory was 49.8MB in the beginning and 45.2MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:02:28,384 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: 1559]: 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_sub_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] data - 1 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 0.56ms. Allocated memory is still 83.9MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1510.08ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 54.7MB in the beginning and 84.7MB in the end (delta: -29.9MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.15ms. Allocated memory is still 125.8MB. Free memory was 84.7MB in the beginning and 81.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.43ms. Allocated memory is still 125.8MB. Free memory was 81.8MB in the beginning and 80.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 549.25ms. Allocated memory is still 125.8MB. Free memory was 80.3MB in the beginning and 63.2MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 470.73ms. Allocated memory is still 125.8MB. Free memory was 63.2MB in the beginning and 49.8MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 104.15ms. Allocated memory is still 125.8MB. Free memory was 49.8MB in the beginning and 45.2MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 03:02:28,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_008facb9-8e99-4476-88b5-05660de18120/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)