./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_52_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_f9ee2cbc-0782-40be-8810-371d4bee61fc/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/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_f9ee2cbc-0782-40be-8810-371d4bee61fc/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/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_f9ee2cbc-0782-40be-8810-371d4bee61fc/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 932e07ca16409dffdb32c6740e0e8391e8d2d3ae2d2f1f5d305942a06898006e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:34:57,740 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:34:57,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 21:34:57,802 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:34:57,802 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:34:57,823 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:34:57,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:34:57,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:34:57,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:34:57,824 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:34:57,824 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:34:57,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:34:57,825 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:34:57,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:34:57,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:34:57,825 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:34:57,825 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:34:57,825 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 21:34:57,825 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:34:57,825 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:34:57,825 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:34:57,825 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:34:57,826 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:34:57,826 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:34:57,826 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:34:57,826 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:34:57,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:34:57,826 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:34:57,826 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:34:57,826 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:34:57,826 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:34:57,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:34:57,826 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_f9ee2cbc-0782-40be-8810-371d4bee61fc/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 -> 932e07ca16409dffdb32c6740e0e8391e8d2d3ae2d2f1f5d305942a06898006e [2024-12-05 21:34:58,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:34:58,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:34:58,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:34:58,072 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:34:58,073 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:34:58,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_52_bad.i [2024-12-05 21:35:00,685 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/bin/ukojak-verify-CZk0znPC7b/data/85cd8df8c/bf54ae9bf63a4b5d98cb207fdf1fe410/FLAGe74d993e3 [2024-12-05 21:35:01,034 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:35:01,034 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_52_bad.i [2024-12-05 21:35:01,053 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/bin/ukojak-verify-CZk0znPC7b/data/85cd8df8c/bf54ae9bf63a4b5d98cb207fdf1fe410/FLAGe74d993e3 [2024-12-05 21:35:01,265 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/bin/ukojak-verify-CZk0znPC7b/data/85cd8df8c/bf54ae9bf63a4b5d98cb207fdf1fe410 [2024-12-05 21:35:01,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:35:01,269 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:35:01,270 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:35:01,270 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:35:01,274 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:35:01,275 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:35:01" (1/1) ... [2024-12-05 21:35:01,275 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fa2ef5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:35:01, skipping insertion in model container [2024-12-05 21:35:01,275 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:35:01" (1/1) ... [2024-12-05 21:35:01,310 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:35:01,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:35:01,915 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:35:01,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:35:02,078 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:35:02,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:35:02 WrapperNode [2024-12-05 21:35:02,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:35:02,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:35:02,080 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:35:02,080 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:35:02,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:35:02" (1/1) ... [2024-12-05 21:35:02,103 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:35:02" (1/1) ... [2024-12-05 21:35:02,122 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 96 [2024-12-05 21:35:02,123 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:35:02,123 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:35:02,123 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:35:02,123 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:35:02,130 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:35:02" (1/1) ... [2024-12-05 21:35:02,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:35:02" (1/1) ... [2024-12-05 21:35:02,133 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:35:02" (1/1) ... [2024-12-05 21:35:02,133 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:35:02" (1/1) ... [2024-12-05 21:35:02,137 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:35:02" (1/1) ... [2024-12-05 21:35:02,138 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:35:02" (1/1) ... [2024-12-05 21:35:02,140 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:35:02" (1/1) ... [2024-12-05 21:35:02,141 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:35:02" (1/1) ... [2024-12-05 21:35:02,142 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:35:02" (1/1) ... [2024-12-05 21:35:02,143 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:35:02,144 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:35:02,144 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:35:02,144 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:35:02,145 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:35:02" (1/1) ... [2024-12-05 21:35:02,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:35:02,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:35:02,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:35:02,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:35:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 21:35:02,203 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 21:35:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:35:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:35:02,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:35:02,313 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:35:02,315 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:35:02,484 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-12-05 21:35:02,484 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:35:02,646 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:35:02,646 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 21:35:02,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:35:02 BoogieIcfgContainer [2024-12-05 21:35:02,646 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:35:02,647 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:35:02,647 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:35:02,656 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:35:02,657 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:35:02" (1/1) ... [2024-12-05 21:35:02,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:35:02,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:02,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-05 21:35:02,713 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-05 21:35:02,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 21:35:02,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:02,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:35:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:35:02,920 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:35:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:35:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:35:03,054 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:35:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:35:03,087 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 21:35:03,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:35:03 ImpRootNode [2024-12-05 21:35:03,106 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:35:03,107 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:35:03,107 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:35:03,107 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:35:03,108 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:35:02" (3/4) ... [2024-12-05 21:35:03,110 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 21:35:03,111 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:35:03,112 INFO L158 Benchmark]: Toolchain (without parser) took 1842.74ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 86.2MB in the end (delta: 27.1MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2024-12-05 21:35:03,112 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:35:03,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 809.53ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 111.9MB in the end (delta: 1.4MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2024-12-05 21:35:03,113 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.99ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 108.6MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:35:03,113 INFO L158 Benchmark]: Boogie Preprocessor took 19.97ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 108.0MB in the end (delta: 659.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:35:03,114 INFO L158 Benchmark]: RCFGBuilder took 502.68ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 69.6MB in the end (delta: 37.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 21:35:03,114 INFO L158 Benchmark]: CodeCheck took 459.32ms. Allocated memory is still 142.6MB. Free memory was 69.6MB in the beginning and 86.2MB in the end (delta: -16.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:35:03,114 INFO L158 Benchmark]: Witness Printer took 3.75ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 86.2MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:35:03,117 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: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1553. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_sub_52_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_sub_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_sub_52c_badSink(data) [L1572] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 809.53ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 111.9MB in the end (delta: 1.4MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.99ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 108.6MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.97ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 108.0MB in the end (delta: 659.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 502.68ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 69.6MB in the end (delta: 37.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 459.32ms. Allocated memory is still 142.6MB. Free memory was 69.6MB in the beginning and 86.2MB in the end (delta: -16.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.75ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 86.2MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 21:35:03,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/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_f9ee2cbc-0782-40be-8810-371d4bee61fc/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/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_f9ee2cbc-0782-40be-8810-371d4bee61fc/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/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_f9ee2cbc-0782-40be-8810-371d4bee61fc/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 932e07ca16409dffdb32c6740e0e8391e8d2d3ae2d2f1f5d305942a06898006e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:35:05,052 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:35:05,136 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 21:35:05,161 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:35:05,162 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:35:05,162 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:35:05,162 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:35:05,163 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:35:05,163 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:35:05,163 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:35:05,163 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:35:05,163 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:35:05,163 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:35:05,163 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:35:05,163 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 21:35:05,163 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 21:35:05,163 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 21:35:05,163 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 21:35:05,163 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:35:05,164 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:35:05,164 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:35:05,164 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:35:05,164 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:35:05,164 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:35:05,164 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:35:05,164 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:05,164 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 21:35:05,164 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:35:05,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:35:05,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:35:05,165 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:35:05,165 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:35:05,165 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 21:35:05,165 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:05,165 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 21:35:05,165 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_f9ee2cbc-0782-40be-8810-371d4bee61fc/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 -> 932e07ca16409dffdb32c6740e0e8391e8d2d3ae2d2f1f5d305942a06898006e [2024-12-05 21:35:05,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:35:05,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:35:05,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:35:05,413 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:35:05,413 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:35:05,414 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_52_bad.i [2024-12-05 21:35:08,850 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/bin/ukojak-verify-CZk0znPC7b/data/b3f104f4e/a7d101860302492fb541a0c6e122dde4/FLAG6463ed8d3 [2024-12-05 21:35:09,231 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:35:09,232 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_52_bad.i [2024-12-05 21:35:09,259 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/bin/ukojak-verify-CZk0znPC7b/data/b3f104f4e/a7d101860302492fb541a0c6e122dde4/FLAG6463ed8d3 [2024-12-05 21:35:09,278 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/bin/ukojak-verify-CZk0znPC7b/data/b3f104f4e/a7d101860302492fb541a0c6e122dde4 [2024-12-05 21:35:09,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:35:09,282 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:35:09,284 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:35:09,284 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:35:09,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:35:09,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:35:09" (1/1) ... [2024-12-05 21:35:09,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d43e769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:35:09, skipping insertion in model container [2024-12-05 21:35:09,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:35:09" (1/1) ... [2024-12-05 21:35:09,339 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:35:10,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:35:10,335 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:35:10,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:35:10,603 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:35:10,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:35:10 WrapperNode [2024-12-05 21:35:10,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:35:10,605 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:35:10,605 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:35:10,605 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:35:10,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:35:10" (1/1) ... [2024-12-05 21:35:10,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:35:10" (1/1) ... [2024-12-05 21:35:10,659 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 56 [2024-12-05 21:35:10,659 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:35:10,660 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:35:10,660 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:35:10,660 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:35:10,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:35:10" (1/1) ... [2024-12-05 21:35:10,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:35:10" (1/1) ... [2024-12-05 21:35:10,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:35:10" (1/1) ... [2024-12-05 21:35:10,674 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:35:10" (1/1) ... [2024-12-05 21:35:10,682 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:35:10" (1/1) ... [2024-12-05 21:35:10,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:35:10" (1/1) ... [2024-12-05 21:35:10,686 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:35:10" (1/1) ... [2024-12-05 21:35:10,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:35:10" (1/1) ... [2024-12-05 21:35:10,690 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:35:10" (1/1) ... [2024-12-05 21:35:10,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:35:10,695 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:35:10,695 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:35:10,695 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:35:10,696 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:35:10" (1/1) ... [2024-12-05 21:35:10,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:35:10,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:35:10,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:35:10,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:35:10,770 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 21:35:10,770 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 21:35:10,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:35:10,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:35:10,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:35:10,923 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:35:10,925 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:35:11,057 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-12-05 21:35:11,058 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:35:11,122 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:35:11,122 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 21:35:11,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:35:11 BoogieIcfgContainer [2024-12-05 21:35:11,123 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:35:11,123 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:35:11,124 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:35:11,133 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:35:11,133 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:35:11" (1/1) ... [2024-12-05 21:35:11,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:35:11,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:11,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-05 21:35:11,178 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-05 21:35:11,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 21:35:11,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:11,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:11,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:11,183 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:11,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 21:35:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:35:11,379 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:35:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:35:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:35:11,493 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:35:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:35:11,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 21:35:11,543 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 21:35:11,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:35:11 ImpRootNode [2024-12-05 21:35:11,574 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:35:11,575 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:35:11,575 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:35:11,575 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:35:11,576 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:35:11" (3/4) ... [2024-12-05 21:35:11,577 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 21:35:11,629 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-05 21:35:11,687 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 21:35:11,687 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 21:35:11,687 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:35:11,688 INFO L158 Benchmark]: Toolchain (without parser) took 2405.94ms. Allocated memory is still 92.3MB. Free memory was 66.3MB in the beginning and 53.8MB in the end (delta: 12.4MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-12-05 21:35:11,688 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:35:11,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1319.94ms. Allocated memory is still 92.3MB. Free memory was 66.1MB in the beginning and 63.1MB in the end (delta: 3.0MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2024-12-05 21:35:11,689 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.86ms. Allocated memory is still 92.3MB. Free memory was 63.1MB in the beginning and 60.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:35:11,689 INFO L158 Benchmark]: Boogie Preprocessor took 33.58ms. Allocated memory is still 92.3MB. Free memory was 60.3MB in the beginning and 58.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:35:11,690 INFO L158 Benchmark]: RCFGBuilder took 428.14ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 41.4MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:35:11,690 INFO L158 Benchmark]: CodeCheck took 450.49ms. Allocated memory is still 92.3MB. Free memory was 41.4MB in the beginning and 58.6MB in the end (delta: -17.2MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-12-05 21:35:11,690 INFO L158 Benchmark]: Witness Printer took 112.47ms. Allocated memory is still 92.3MB. Free memory was 58.6MB in the beginning and 53.8MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:35:11,693 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1572]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_sub_52_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_sub_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_sub_52c_badSink(data) [L1572] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1319.94ms. Allocated memory is still 92.3MB. Free memory was 66.1MB in the beginning and 63.1MB in the end (delta: 3.0MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.86ms. Allocated memory is still 92.3MB. Free memory was 63.1MB in the beginning and 60.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.58ms. Allocated memory is still 92.3MB. Free memory was 60.3MB in the beginning and 58.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 428.14ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 41.4MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 450.49ms. Allocated memory is still 92.3MB. Free memory was 41.4MB in the beginning and 58.6MB in the end (delta: -17.2MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Witness Printer took 112.47ms. Allocated memory is still 92.3MB. Free memory was 58.6MB in the beginning and 53.8MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 21:35:11,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ee2cbc-0782-40be-8810-371d4bee61fc/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)