./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_21_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_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 056dda92fe3ddc2dc7e4f4569a0e8208f93ea230fec1d2bd44dacb02553d2fa7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:12:55,457 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:12:55,513 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 01:12:55,518 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:12:55,518 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:12:55,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:12:55,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:12:55,539 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:12:55,540 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:12:55,540 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:12:55,540 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:12:55,540 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:12:55,540 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:12:55,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:12:55,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:12:55,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:12:55,540 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:12:55,541 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:12:55,541 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:12:55,541 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:12:55,541 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:12:55,541 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:12:55,541 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:12:55,541 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:12:55,541 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:12:55,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:12:55,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:12:55,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:12:55,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:12:55,542 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:12:55,542 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:12:55,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:12:55,542 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_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 056dda92fe3ddc2dc7e4f4569a0e8208f93ea230fec1d2bd44dacb02553d2fa7 [2024-12-06 01:12:55,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:12:55,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:12:55,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:12:55,765 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:12:55,765 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:12:55,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_21_bad.i [2024-12-06 01:12:58,454 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/data/2f06daa09/97f8912da3dd4aaeb0e09cdaa41052a5/FLAGf3acdb44a [2024-12-06 01:12:58,748 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:12:58,748 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_21_bad.i [2024-12-06 01:12:58,771 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/data/2f06daa09/97f8912da3dd4aaeb0e09cdaa41052a5/FLAGf3acdb44a [2024-12-06 01:12:58,785 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/data/2f06daa09/97f8912da3dd4aaeb0e09cdaa41052a5 [2024-12-06 01:12:58,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:12:58,789 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:12:58,790 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:12:58,791 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:12:58,795 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:12:58,796 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:12:58" (1/1) ... [2024-12-06 01:12:58,796 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d5e5b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:58, skipping insertion in model container [2024-12-06 01:12:58,797 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:12:58" (1/1) ... [2024-12-06 01:12:58,831 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:12:59,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:12:59,401 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:12:59,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:12:59,552 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:12:59,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:59 WrapperNode [2024-12-06 01:12:59,553 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:12:59,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:12:59,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:12:59,554 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:12:59,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:59" (1/1) ... [2024-12-06 01:12:59,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:59" (1/1) ... [2024-12-06 01:12:59,594 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 100 [2024-12-06 01:12:59,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:12:59,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:12:59,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:12:59,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:12:59,600 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:59" (1/1) ... [2024-12-06 01:12:59,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:59" (1/1) ... [2024-12-06 01:12:59,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:59" (1/1) ... [2024-12-06 01:12:59,602 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:59" (1/1) ... [2024-12-06 01:12:59,605 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:59" (1/1) ... [2024-12-06 01:12:59,606 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:59" (1/1) ... [2024-12-06 01:12:59,607 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:59" (1/1) ... [2024-12-06 01:12:59,608 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:59" (1/1) ... [2024-12-06 01:12:59,609 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:59" (1/1) ... [2024-12-06 01:12:59,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:12:59,611 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:12:59,611 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:12:59,611 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:12:59,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:59" (1/1) ... [2024-12-06 01:12:59,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:12:59,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:12:59,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:12:59,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:12:59,653 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:12:59,653 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:12:59,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:12:59,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:12:59,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:12:59,755 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:12:59,756 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:12:59,920 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-12-06 01:12:59,920 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:13:00,079 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:13:00,080 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:13:00,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:13:00 BoogieIcfgContainer [2024-12-06 01:13:00,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:13:00,081 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:13:00,081 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:13:00,090 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:13:00,091 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:13:00" (1/1) ... [2024-12-06 01:13:00,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:13:00,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:00,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 01:13:00,144 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 01:13:00,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:13:00,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:00,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:13:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:13:00,334 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:13:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:13:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:13:00,498 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:13:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:13:00,536 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:13:00,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:13:00 ImpRootNode [2024-12-06 01:13:00,561 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:13:00,562 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:13:00,562 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:13:00,563 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:13:00,563 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:13:00" (3/4) ... [2024-12-06 01:13:00,566 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:13:00,567 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:13:00,567 INFO L158 Benchmark]: Toolchain (without parser) took 1778.38ms. Allocated memory is still 142.6MB. Free memory was 115.0MB in the beginning and 86.4MB in the end (delta: 28.5MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2024-12-06 01:13:00,568 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:00,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 762.88ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 106.2MB in the end (delta: 8.6MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-12-06 01:13:00,568 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.53ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 103.1MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:13:00,569 INFO L158 Benchmark]: Boogie Preprocessor took 15.52ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 102.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:00,569 INFO L158 Benchmark]: RCFGBuilder took 469.42ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 65.0MB in the end (delta: 37.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 01:13:00,569 INFO L158 Benchmark]: CodeCheck took 480.90ms. Allocated memory is still 142.6MB. Free memory was 65.0MB in the beginning and 86.4MB in the end (delta: -21.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:00,570 INFO L158 Benchmark]: Witness Printer took 4.48ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 86.4MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:00,571 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1564. 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); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_21_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) [L1554] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 762.88ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 106.2MB in the end (delta: 8.6MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.53ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 103.1MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.52ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 102.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 469.42ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 65.0MB in the end (delta: 37.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 480.90ms. Allocated memory is still 142.6MB. Free memory was 65.0MB in the beginning and 86.4MB in the end (delta: -21.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.48ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 86.4MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:13:00,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/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 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_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 056dda92fe3ddc2dc7e4f4569a0e8208f93ea230fec1d2bd44dacb02553d2fa7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:13:02,440 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:13:02,525 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 01:13:02,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:13:02,551 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:13:02,551 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:13:02,551 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:13:02,551 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:13:02,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:13:02,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:13:02,552 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:13:02,552 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:13:02,552 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:13:02,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:13:02,552 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:13:02,552 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:13:02,552 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:13:02,552 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:13:02,552 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:13:02,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:13:02,552 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:13:02,552 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:13:02,553 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:13:02,553 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:13:02,553 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:13:02,553 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:02,553 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:13:02,553 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:13:02,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:13:02,553 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:13:02,553 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:13:02,553 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:13:02,553 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:13:02,553 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:02,554 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:13:02,554 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_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 056dda92fe3ddc2dc7e4f4569a0e8208f93ea230fec1d2bd44dacb02553d2fa7 [2024-12-06 01:13:02,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:13:02,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:13:02,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:13:02,793 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:13:02,793 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:13:02,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_21_bad.i [2024-12-06 01:13:05,459 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/data/712c352b9/84193d89bc3847c3aa004772a26db167/FLAGfaa8596cb [2024-12-06 01:13:05,728 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:13:05,728 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_21_bad.i [2024-12-06 01:13:05,746 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/data/712c352b9/84193d89bc3847c3aa004772a26db167/FLAGfaa8596cb [2024-12-06 01:13:05,758 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/data/712c352b9/84193d89bc3847c3aa004772a26db167 [2024-12-06 01:13:05,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:13:05,761 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:13:05,762 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:13:05,762 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:13:05,765 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:13:05,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:13:05" (1/1) ... [2024-12-06 01:13:05,766 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342a71ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:05, skipping insertion in model container [2024-12-06 01:13:05,766 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:13:05" (1/1) ... [2024-12-06 01:13:05,798 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:13:06,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:13:06,378 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:13:06,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:13:06,574 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:13:06,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:06 WrapperNode [2024-12-06 01:13:06,574 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:13:06,575 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:13:06,575 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:13:06,575 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:13:06,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:06" (1/1) ... [2024-12-06 01:13:06,598 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:06" (1/1) ... [2024-12-06 01:13:06,615 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2024-12-06 01:13:06,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:13:06,616 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:13:06,616 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:13:06,616 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:13:06,621 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:06" (1/1) ... [2024-12-06 01:13:06,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:06" (1/1) ... [2024-12-06 01:13:06,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:06" (1/1) ... [2024-12-06 01:13:06,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:06" (1/1) ... [2024-12-06 01:13:06,632 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:06" (1/1) ... [2024-12-06 01:13:06,633 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:06" (1/1) ... [2024-12-06 01:13:06,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:06" (1/1) ... [2024-12-06 01:13:06,636 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:06" (1/1) ... [2024-12-06 01:13:06,637 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:06" (1/1) ... [2024-12-06 01:13:06,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:13:06,640 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:13:06,640 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:13:06,640 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:13:06,641 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:06" (1/1) ... [2024-12-06 01:13:06,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:13:06,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:13:06,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:13:06,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:13:06,690 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:13:06,690 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:13:06,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:13:06,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:13:06,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:13:06,817 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:13:06,819 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:13:06,926 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-12-06 01:13:06,926 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:13:06,978 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:13:06,978 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:13:06,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:13:06 BoogieIcfgContainer [2024-12-06 01:13:06,979 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:13:06,979 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:13:06,980 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:13:06,989 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:13:06,989 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:13:06" (1/1) ... [2024-12-06 01:13:06,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:13:07,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:07,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 01:13:07,036 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 01:13:07,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:13:07,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:07,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:07,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:13:07,041 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:13:07,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:13:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:13:07,171 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:13:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:13:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:13:07,271 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:13:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:13:07,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:13:07,304 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:13:07,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:13:07 ImpRootNode [2024-12-06 01:13:07,327 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:13:07,328 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:13:07,328 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:13:07,328 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:13:07,329 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:13:06" (3/4) ... [2024-12-06 01:13:07,329 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 01:13:07,368 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-06 01:13:07,411 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:13:07,412 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:13:07,412 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:13:07,413 INFO L158 Benchmark]: Toolchain (without parser) took 1651.94ms. Allocated memory is still 92.3MB. Free memory was 66.3MB in the beginning and 52.1MB in the end (delta: 14.3MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-12-06 01:13:07,413 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:07,413 INFO L158 Benchmark]: CACSL2BoogieTranslator took 812.92ms. Allocated memory is still 92.3MB. Free memory was 66.1MB in the beginning and 62.8MB in the end (delta: 3.3MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2024-12-06 01:13:07,413 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.63ms. Allocated memory is still 92.3MB. Free memory was 62.8MB in the beginning and 60.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:07,414 INFO L158 Benchmark]: Boogie Preprocessor took 23.47ms. Allocated memory is still 92.3MB. Free memory was 60.0MB in the beginning and 58.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:07,414 INFO L158 Benchmark]: RCFGBuilder took 338.57ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 40.8MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:13:07,414 INFO L158 Benchmark]: CodeCheck took 347.58ms. Allocated memory is still 92.3MB. Free memory was 40.8MB in the beginning and 56.9MB in the end (delta: -16.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:07,415 INFO L158 Benchmark]: Witness Printer took 84.28ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 52.1MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:07,416 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 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: 1554]: 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); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_21_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) [L1554] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 0.26ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 812.92ms. Allocated memory is still 92.3MB. Free memory was 66.1MB in the beginning and 62.8MB in the end (delta: 3.3MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.63ms. Allocated memory is still 92.3MB. Free memory was 62.8MB in the beginning and 60.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.47ms. Allocated memory is still 92.3MB. Free memory was 60.0MB in the beginning and 58.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 338.57ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 40.8MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 347.58ms. Allocated memory is still 92.3MB. Free memory was 40.8MB in the beginning and 56.9MB in the end (delta: -16.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 84.28ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 52.1MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 01:13:07,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61947b66-acbc-4a31-8175-07977cc86beb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)