./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_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_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/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_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/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_47d662df-4a17-495a-a7b9-7f27dd6f9028/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 fd3749e1b0f08386daf30f3ccc1d49f53cd53d80d6ae8bf873b310d011652f91 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:39:39,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:39:39,218 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 03:39:39,222 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:39:39,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:39:39,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:39:39,243 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:39:39,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:39:39,244 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:39:39,244 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:39:39,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:39:39,244 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:39:39,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:39:39,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:39:39,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:39:39,245 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:39:39,245 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:39:39,245 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:39:39,245 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:39:39,245 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:39:39,245 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:39:39,245 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:39:39,246 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:39:39,246 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:39:39,246 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:39:39,246 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:39:39,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:39:39,246 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:39:39,246 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:39:39,246 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:39:39,246 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:39:39,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:39:39,246 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_47d662df-4a17-495a-a7b9-7f27dd6f9028/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 -> fd3749e1b0f08386daf30f3ccc1d49f53cd53d80d6ae8bf873b310d011652f91 [2024-12-06 03:39:39,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:39:39,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:39:39,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:39:39,492 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:39:39,492 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:39:39,493 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i [2024-12-06 03:39:42,078 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/data/236dc5d65/7dc4825cb3694d84b6df8277a332aaa4/FLAGbf6d9abd8 [2024-12-06 03:39:42,402 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:39:42,403 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i [2024-12-06 03:39:42,425 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/data/236dc5d65/7dc4825cb3694d84b6df8277a332aaa4/FLAGbf6d9abd8 [2024-12-06 03:39:42,679 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/data/236dc5d65/7dc4825cb3694d84b6df8277a332aaa4 [2024-12-06 03:39:42,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:39:42,686 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:39:42,687 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:39:42,688 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:39:42,693 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:39:42,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:39:42" (1/1) ... [2024-12-06 03:39:42,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4498b17c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:39:42, skipping insertion in model container [2024-12-06 03:39:42,695 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:39:42" (1/1) ... [2024-12-06 03:39:42,729 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:39:43,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:39:43,367 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:39:43,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:39:43,531 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:39:43,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:39:43 WrapperNode [2024-12-06 03:39:43,532 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:39:43,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:39:43,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:39:43,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:39:43,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:39:43" (1/1) ... [2024-12-06 03:39:43,561 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:39:43" (1/1) ... [2024-12-06 03:39:43,580 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 101 [2024-12-06 03:39:43,580 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:39:43,580 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:39:43,581 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:39:43,581 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:39:43,585 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:39:43" (1/1) ... [2024-12-06 03:39:43,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:39:43" (1/1) ... [2024-12-06 03:39:43,588 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:39:43" (1/1) ... [2024-12-06 03:39:43,588 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:39:43" (1/1) ... [2024-12-06 03:39:43,592 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:39:43" (1/1) ... [2024-12-06 03:39:43,593 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:39:43" (1/1) ... [2024-12-06 03:39:43,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:39:43" (1/1) ... [2024-12-06 03:39:43,596 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:39:43" (1/1) ... [2024-12-06 03:39:43,597 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:39:43" (1/1) ... [2024-12-06 03:39:43,599 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:39:43,599 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:39:43,600 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:39:43,600 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:39:43,600 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:39:43" (1/1) ... [2024-12-06 03:39:43,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:39:43,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:39:43,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:39:43,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:39:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 03:39:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 03:39:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:39:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:39:43,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:39:43,761 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:39:43,763 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:39:43,920 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-12-06 03:39:43,920 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:39:44,058 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:39:44,058 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:39:44,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:39:44 BoogieIcfgContainer [2024-12-06 03:39:44,058 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:39:44,059 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:39:44,059 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:39:44,066 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:39:44,066 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:39:44" (1/1) ... [2024-12-06 03:39:44,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:39:44,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:39:44,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 03:39:44,106 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 03:39:44,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:39:44,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:39:44,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:39:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:39:44,308 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:39:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:39:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:39:44,422 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:39:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:39:44,459 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:39:44,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:39:44 ImpRootNode [2024-12-06 03:39:44,478 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:39:44,479 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:39:44,479 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:39:44,479 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:39:44,480 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:39:44" (3/4) ... [2024-12-06 03:39:44,482 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:39:44,483 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:39:44,484 INFO L158 Benchmark]: Toolchain (without parser) took 1798.28ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 90.9MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 03:39:44,484 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:39:44,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 844.60ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 53.7MB in the end (delta: 60.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 03:39:44,485 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.92ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 112.3MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:39:44,485 INFO L158 Benchmark]: Boogie Preprocessor took 18.37ms. Allocated memory is still 142.6MB. Free memory was 112.3MB in the beginning and 111.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:39:44,486 INFO L158 Benchmark]: RCFGBuilder took 459.05ms. Allocated memory is still 142.6MB. Free memory was 111.1MB in the beginning and 73.6MB in the end (delta: 37.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 03:39:44,486 INFO L158 Benchmark]: CodeCheck took 419.42ms. Allocated memory is still 142.6MB. Free memory was 73.6MB in the beginning and 91.7MB in the end (delta: -18.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:39:44,486 INFO L158 Benchmark]: Witness Printer took 3.71ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 90.9MB in the end (delta: 754.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:39:44,489 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 - UnprovableResult [Line: 1555]: 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 CWE191_Integer_Underflow__int_rand_postdec_45_badData; [L1549] static int CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData; [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, 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) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_45_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] CWE191_Integer_Underflow__int_rand_postdec_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_rand_postdec_45_badData; [L1555] data-- VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=-2147483648, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, 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 0.21ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 844.60ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 53.7MB in the end (delta: 60.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.92ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 112.3MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.37ms. Allocated memory is still 142.6MB. Free memory was 112.3MB in the beginning and 111.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 459.05ms. Allocated memory is still 142.6MB. Free memory was 111.1MB in the beginning and 73.6MB in the end (delta: 37.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 419.42ms. Allocated memory is still 142.6MB. Free memory was 73.6MB in the beginning and 91.7MB in the end (delta: -18.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.71ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 90.9MB in the end (delta: 754.8kB). 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 03:39:44,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/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_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/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_47d662df-4a17-495a-a7b9-7f27dd6f9028/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 fd3749e1b0f08386daf30f3ccc1d49f53cd53d80d6ae8bf873b310d011652f91 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:39:46,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:39:46,414 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 03:39:46,439 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:39:46,440 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:39:46,440 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:39:46,441 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:39:46,441 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:39:46,441 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:39:46,441 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:39:46,441 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:39:46,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:39:46,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:39:46,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:39:46,441 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:39:46,441 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:39:46,442 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:39:46,442 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:39:46,442 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:39:46,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:39:46,442 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:39:46,442 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:39:46,442 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:39:46,442 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:39:46,442 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:39:46,442 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:39:46,442 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:39:46,442 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:39:46,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:39:46,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:39:46,443 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:39:46,443 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:39:46,443 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:39:46,443 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:39:46,443 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:39:46,443 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_47d662df-4a17-495a-a7b9-7f27dd6f9028/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 -> fd3749e1b0f08386daf30f3ccc1d49f53cd53d80d6ae8bf873b310d011652f91 [2024-12-06 03:39:46,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:39:46,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:39:46,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:39:46,671 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:39:46,671 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:39:46,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i [2024-12-06 03:39:49,341 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/data/5cf7b473d/af0f7c5795bd4b29b9f1ff3b3911388f/FLAGd1b08f470 [2024-12-06 03:39:49,630 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:39:49,630 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i [2024-12-06 03:39:49,650 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/data/5cf7b473d/af0f7c5795bd4b29b9f1ff3b3911388f/FLAGd1b08f470 [2024-12-06 03:39:49,900 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/data/5cf7b473d/af0f7c5795bd4b29b9f1ff3b3911388f [2024-12-06 03:39:49,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:39:49,907 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:39:49,909 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:39:49,909 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:39:49,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:39:49,917 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:39:49" (1/1) ... [2024-12-06 03:39:49,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26569014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:39:49, skipping insertion in model container [2024-12-06 03:39:49,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:39:49" (1/1) ... [2024-12-06 03:39:49,954 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:39:50,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:39:50,545 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:39:50,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:39:50,753 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:39:50,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:39:50 WrapperNode [2024-12-06 03:39:50,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:39:50,754 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:39:50,754 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:39:50,755 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:39:50,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:39:50" (1/1) ... [2024-12-06 03:39:50,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:39:50" (1/1) ... [2024-12-06 03:39:50,793 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2024-12-06 03:39:50,794 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:39:50,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:39:50,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:39:50,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:39:50,799 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:39:50" (1/1) ... [2024-12-06 03:39:50,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:39:50" (1/1) ... [2024-12-06 03:39:50,802 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:39:50" (1/1) ... [2024-12-06 03:39:50,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:39:50" (1/1) ... [2024-12-06 03:39:50,809 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:39:50" (1/1) ... [2024-12-06 03:39:50,810 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:39:50" (1/1) ... [2024-12-06 03:39:50,812 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:39:50" (1/1) ... [2024-12-06 03:39:50,813 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:39:50" (1/1) ... [2024-12-06 03:39:50,814 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:39:50" (1/1) ... [2024-12-06 03:39:50,817 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:39:50,818 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:39:50,818 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:39:50,818 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:39:50,818 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:39:50" (1/1) ... [2024-12-06 03:39:50,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:39:50,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:39:50,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:39:50,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:39:50,866 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 03:39:50,866 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 03:39:50,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:39:50,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:39:50,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:39:50,991 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:39:50,992 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:39:51,093 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-12-06 03:39:51,093 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:39:51,146 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:39:51,147 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:39:51,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:39:51 BoogieIcfgContainer [2024-12-06 03:39:51,147 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:39:51,148 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:39:51,148 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:39:51,156 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:39:51,157 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:39:51" (1/1) ... [2024-12-06 03:39:51,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:39:51,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:39:51,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 03:39:51,195 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 03:39:51,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:39:51,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:39:51,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:39:51,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:39:51,200 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:39:51,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:39:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:39:51,335 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:39:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:39:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:39:51,446 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:39:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:39:51,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:39:51,480 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:39:51,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:39:51 ImpRootNode [2024-12-06 03:39:51,501 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:39:51,502 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:39:51,502 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:39:51,502 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:39:51,503 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:39:51" (3/4) ... [2024-12-06 03:39:51,503 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 03:39:51,543 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-12-06 03:39:51,583 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:39:51,583 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:39:51,583 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:39:51,584 INFO L158 Benchmark]: Toolchain (without parser) took 1678.04ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 66.4MB in the beginning and 101.8MB in the end (delta: -35.4MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2024-12-06 03:39:51,585 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:39:51,585 INFO L158 Benchmark]: CACSL2BoogieTranslator took 844.95ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 62.6MB in the end (delta: 3.6MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-12-06 03:39:51,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.32ms. Allocated memory is still 92.3MB. Free memory was 62.6MB in the beginning and 59.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:39:51,585 INFO L158 Benchmark]: Boogie Preprocessor took 22.82ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 58.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:39:51,586 INFO L158 Benchmark]: RCFGBuilder took 329.89ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 41.0MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:39:51,586 INFO L158 Benchmark]: CodeCheck took 353.37ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 41.0MB in the beginning and 106.7MB in the end (delta: -65.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:39:51,587 INFO L158 Benchmark]: Witness Printer took 81.43ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 101.8MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:39:51,588 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: 0.3s, 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, 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: 1555]: 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 CWE191_Integer_Underflow__int_rand_postdec_45_badData; [L1549] static int CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData; [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, 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) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_45_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] CWE191_Integer_Underflow__int_rand_postdec_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_rand_postdec_45_badData; [L1555] data-- VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=-2147483648, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, 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 0.25ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 844.95ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 62.6MB in the end (delta: 3.6MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.32ms. Allocated memory is still 92.3MB. Free memory was 62.6MB in the beginning and 59.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.82ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 58.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 329.89ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 41.0MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 353.37ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 41.0MB in the beginning and 106.7MB in the end (delta: -65.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 81.43ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 101.8MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 03:39:51,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d662df-4a17-495a-a7b9-7f27dd6f9028/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)