./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_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_d77debfb-e9c7-4f84-ae1a-e841f4237057/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/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_d77debfb-e9c7-4f84-ae1a-e841f4237057/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/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_d77debfb-e9c7-4f84-ae1a-e841f4237057/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 fb8278a47a5d3c5db556a6acaa71813d5a99ef56a807f55dbf58f951f085e6ca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:28:44,325 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:28:44,379 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 00:28:44,383 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:28:44,383 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:28:44,404 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:28:44,405 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:28:44,405 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:28:44,405 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:28:44,406 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:28:44,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:28:44,406 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:28:44,406 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:28:44,406 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:28:44,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:28:44,406 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:28:44,406 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:28:44,406 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:28:44,406 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:28:44,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:28:44,407 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:28:44,407 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:28:44,407 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:28:44,407 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:28:44,407 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:28:44,407 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:28:44,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:28:44,407 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:28:44,407 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:28:44,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:28:44,408 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:28:44,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:28:44,408 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_d77debfb-e9c7-4f84-ae1a-e841f4237057/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 -> fb8278a47a5d3c5db556a6acaa71813d5a99ef56a807f55dbf58f951f085e6ca [2024-12-06 00:28:44,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:28:44,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:28:44,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:28:44,655 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:28:44,656 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:28:44,657 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_21_bad.i [2024-12-06 00:28:47,268 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/bin/ukojak-verify-CZk0znPC7b/data/cf2bd444e/e82b35b58c8c4a8bbd42b491cb11735c/FLAGe89767dd1 [2024-12-06 00:28:47,568 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:28:47,569 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_21_bad.i [2024-12-06 00:28:47,587 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/bin/ukojak-verify-CZk0znPC7b/data/cf2bd444e/e82b35b58c8c4a8bbd42b491cb11735c/FLAGe89767dd1 [2024-12-06 00:28:47,840 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/bin/ukojak-verify-CZk0znPC7b/data/cf2bd444e/e82b35b58c8c4a8bbd42b491cb11735c [2024-12-06 00:28:47,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:28:47,842 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:28:47,843 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:28:47,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:28:47,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:28:47,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:28:47" (1/1) ... [2024-12-06 00:28:47,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38aa3d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:47, skipping insertion in model container [2024-12-06 00:28:47,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:28:47" (1/1) ... [2024-12-06 00:28:47,884 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:28:48,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:28:48,521 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:28:48,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:28:48,698 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:28:48,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:48 WrapperNode [2024-12-06 00:28:48,699 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:28:48,700 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:28:48,700 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:28:48,700 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:28:48,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:48" (1/1) ... [2024-12-06 00:28:48,720 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:48" (1/1) ... [2024-12-06 00:28:48,738 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 100 [2024-12-06 00:28:48,739 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:28:48,739 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:28:48,739 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:28:48,739 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:28:48,745 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:48" (1/1) ... [2024-12-06 00:28:48,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:48" (1/1) ... [2024-12-06 00:28:48,747 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:48" (1/1) ... [2024-12-06 00:28:48,747 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:48" (1/1) ... [2024-12-06 00:28:48,751 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:48" (1/1) ... [2024-12-06 00:28:48,752 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:48" (1/1) ... [2024-12-06 00:28:48,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:48" (1/1) ... [2024-12-06 00:28:48,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:48" (1/1) ... [2024-12-06 00:28:48,756 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:48" (1/1) ... [2024-12-06 00:28:48,758 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:28:48,759 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:28:48,759 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:28:48,759 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:28:48,760 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:48" (1/1) ... [2024-12-06 00:28:48,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:28:48,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:28:48,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:28:48,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:28:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 00:28:48,812 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 00:28:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:28:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:28:48,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:28:48,914 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:28:48,915 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:28:49,075 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-12-06 00:28:49,075 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:28:49,211 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:28:49,212 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:28:49,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:28:49 BoogieIcfgContainer [2024-12-06 00:28:49,212 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:28:49,213 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:28:49,213 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:28:49,220 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:28:49,220 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:28:49" (1/1) ... [2024-12-06 00:28:49,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:28:49,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:28:49,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 00:28:49,263 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 00:28:49,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:28:49,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:28:49,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:28:49,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:28:49,480 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:28:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:28:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:28:49,591 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:28:49,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:28:49,626 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 00:28:49,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:28:49 ImpRootNode [2024-12-06 00:28:49,650 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:28:49,650 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:28:49,650 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:28:49,651 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:28:49,651 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:28:49" (3/4) ... [2024-12-06 00:28:49,653 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:28:49,654 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:28:49,655 INFO L158 Benchmark]: Toolchain (without parser) took 1812.51ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 93.4MB in the end (delta: 20.2MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2024-12-06 00:28:49,655 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:28:49,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 856.17ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 112.4MB in the end (delta: 971.5kB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. [2024-12-06 00:28:49,656 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.39ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 109.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:28:49,656 INFO L158 Benchmark]: Boogie Preprocessor took 19.06ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 108.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:28:49,657 INFO L158 Benchmark]: RCFGBuilder took 453.15ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 71.2MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 00:28:49,657 INFO L158 Benchmark]: CodeCheck took 437.25ms. Allocated memory is still 142.6MB. Free memory was 71.2MB in the beginning and 94.2MB in the end (delta: -23.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:28:49,658 INFO L158 Benchmark]: Witness Printer took 3.76ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 93.4MB in the end (delta: 786.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:28:49,660 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_predec_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) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [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 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 856.17ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 112.4MB in the end (delta: 971.5kB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.39ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 109.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.06ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 108.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 453.15ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 71.2MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 437.25ms. Allocated memory is still 142.6MB. Free memory was 71.2MB in the beginning and 94.2MB in the end (delta: -23.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.76ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 93.4MB in the end (delta: 786.3kB). 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 00:28:49,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/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_d77debfb-e9c7-4f84-ae1a-e841f4237057/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/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_d77debfb-e9c7-4f84-ae1a-e841f4237057/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/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_d77debfb-e9c7-4f84-ae1a-e841f4237057/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 fb8278a47a5d3c5db556a6acaa71813d5a99ef56a807f55dbf58f951f085e6ca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:28:51,556 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:28:51,630 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 00:28:51,652 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:28:51,653 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:28:51,653 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:28:51,653 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:28:51,654 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:28:51,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:28:51,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:28:51,654 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:28:51,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:28:51,654 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:28:51,654 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:28:51,654 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:28:51,654 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:28:51,655 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:28:51,655 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:28:51,655 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:28:51,655 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:28:51,655 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:28:51,655 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:28:51,655 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:28:51,655 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:28:51,655 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:28:51,655 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:28:51,656 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:28:51,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:28:51,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:28:51,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:28:51,656 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:28:51,656 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:28:51,656 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:28:51,656 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:28:51,656 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:28:51,656 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_d77debfb-e9c7-4f84-ae1a-e841f4237057/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 -> fb8278a47a5d3c5db556a6acaa71813d5a99ef56a807f55dbf58f951f085e6ca [2024-12-06 00:28:51,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:28:51,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:28:51,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:28:51,903 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:28:51,903 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:28:51,905 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_21_bad.i [2024-12-06 00:28:54,602 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/bin/ukojak-verify-CZk0znPC7b/data/ed57558ae/5f4d9de438ce420eb1cd47432b77c8a7/FLAG7251cc427 [2024-12-06 00:28:54,892 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:28:54,893 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_21_bad.i [2024-12-06 00:28:54,915 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/bin/ukojak-verify-CZk0znPC7b/data/ed57558ae/5f4d9de438ce420eb1cd47432b77c8a7/FLAG7251cc427 [2024-12-06 00:28:54,930 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/bin/ukojak-verify-CZk0znPC7b/data/ed57558ae/5f4d9de438ce420eb1cd47432b77c8a7 [2024-12-06 00:28:54,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:28:54,933 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:28:54,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:28:54,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:28:54,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:28:54,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:28:54" (1/1) ... [2024-12-06 00:28:54,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13704325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:54, skipping insertion in model container [2024-12-06 00:28:54,941 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:28:54" (1/1) ... [2024-12-06 00:28:54,974 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:28:55,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:28:55,609 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:28:55,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:28:55,807 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:28:55,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:55 WrapperNode [2024-12-06 00:28:55,807 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:28:55,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:28:55,808 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:28:55,808 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:28:55,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:55" (1/1) ... [2024-12-06 00:28:55,832 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:55" (1/1) ... [2024-12-06 00:28:55,849 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2024-12-06 00:28:55,849 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:28:55,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:28:55,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:28:55,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:28:55,856 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:55" (1/1) ... [2024-12-06 00:28:55,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:55" (1/1) ... [2024-12-06 00:28:55,860 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:55" (1/1) ... [2024-12-06 00:28:55,860 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:55" (1/1) ... [2024-12-06 00:28:55,867 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:55" (1/1) ... [2024-12-06 00:28:55,868 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:55" (1/1) ... [2024-12-06 00:28:55,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:55" (1/1) ... [2024-12-06 00:28:55,871 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:55" (1/1) ... [2024-12-06 00:28:55,873 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:55" (1/1) ... [2024-12-06 00:28:55,875 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:28:55,876 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:28:55,876 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:28:55,876 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:28:55,877 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:28:55" (1/1) ... [2024-12-06 00:28:55,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:28:55,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:28:55,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:28:55,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:28:55,927 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 00:28:55,927 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 00:28:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:28:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:28:55,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:28:56,042 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:28:56,043 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:28:56,147 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-12-06 00:28:56,147 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:28:56,197 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:28:56,197 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:28:56,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:28:56 BoogieIcfgContainer [2024-12-06 00:28:56,197 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:28:56,198 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:28:56,198 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:28:56,205 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:28:56,205 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:28:56" (1/1) ... [2024-12-06 00:28:56,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:28:56,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:28:56,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 00:28:56,245 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 00:28:56,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:28:56,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:28:56,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:28:56,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:28:56,249 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:28:56,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:28:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:28:56,402 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:28:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:28:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:28:56,512 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:28:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:28:56,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:28:56,550 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 00:28:56,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:28:56 ImpRootNode [2024-12-06 00:28:56,571 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:28:56,572 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:28:56,572 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:28:56,572 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:28:56,573 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:28:56" (3/4) ... [2024-12-06 00:28:56,574 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 00:28:56,607 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-06 00:28:56,648 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 00:28:56,649 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 00:28:56,649 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:28:56,650 INFO L158 Benchmark]: Toolchain (without parser) took 1716.57ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 53.0MB in the end (delta: 13.1MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-12-06 00:28:56,650 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:28:56,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 873.16ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 62.9MB in the end (delta: 3.0MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2024-12-06 00:28:56,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.07ms. Allocated memory is still 92.3MB. Free memory was 62.9MB in the beginning and 60.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:28:56,651 INFO L158 Benchmark]: Boogie Preprocessor took 25.98ms. Allocated memory is still 92.3MB. Free memory was 60.3MB in the beginning and 58.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:28:56,652 INFO L158 Benchmark]: RCFGBuilder took 321.33ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 41.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:28:56,652 INFO L158 Benchmark]: CodeCheck took 373.39ms. Allocated memory is still 92.3MB. Free memory was 41.8MB in the beginning and 58.1MB in the end (delta: -16.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:28:56,653 INFO L158 Benchmark]: Witness Printer took 76.89ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 53.0MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:28:56,654 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_predec_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) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [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 0.29ms. Allocated memory is still 83.9MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 873.16ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 62.9MB in the end (delta: 3.0MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.07ms. Allocated memory is still 92.3MB. Free memory was 62.9MB in the beginning and 60.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.98ms. Allocated memory is still 92.3MB. Free memory was 60.3MB in the beginning and 58.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 321.33ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 41.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 373.39ms. Allocated memory is still 92.3MB. Free memory was 41.8MB in the beginning and 58.1MB in the end (delta: -16.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 76.89ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 53.0MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 00:28:56,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77debfb-e9c7-4f84-ae1a-e841f4237057/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)