./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_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_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/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_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/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_a2e4ca4e-48df-4945-b93b-7311dc9827e0/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 bef1dab6b24ebb18f2980915f8144943d6aa96ed337433b38a571608a8afe6f9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:27:41,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:27:41,604 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 00:27:41,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:27:41,608 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:27:41,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:27:41,628 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:27:41,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:27:41,628 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:27:41,628 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:27:41,629 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:27:41,629 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:27:41,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:27:41,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:27:41,629 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:27:41,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:27:41,629 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:27:41,629 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:27:41,629 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:27:41,629 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:27:41,630 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:27:41,630 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:27:41,630 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:27:41,630 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:27:41,630 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:27:41,630 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:27:41,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:27:41,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:27:41,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:27:41,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:27:41,631 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:27:41,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:27:41,631 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_a2e4ca4e-48df-4945-b93b-7311dc9827e0/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 -> bef1dab6b24ebb18f2980915f8144943d6aa96ed337433b38a571608a8afe6f9 [2024-12-06 00:27:41,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:27:41,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:27:41,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:27:41,842 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:27:41,842 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:27:41,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_bad.i [2024-12-06 00:27:44,549 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/data/2f2510c14/0fce84856387410481cf3f4930ce7131/FLAGd052ef2e7 [2024-12-06 00:27:44,839 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:27:44,839 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_bad.i [2024-12-06 00:27:44,857 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/data/2f2510c14/0fce84856387410481cf3f4930ce7131/FLAGd052ef2e7 [2024-12-06 00:27:45,113 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/data/2f2510c14/0fce84856387410481cf3f4930ce7131 [2024-12-06 00:27:45,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:27:45,116 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:27:45,116 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:27:45,117 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:27:45,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:27:45,120 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:27:45" (1/1) ... [2024-12-06 00:27:45,121 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bdc064b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:45, skipping insertion in model container [2024-12-06 00:27:45,121 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:27:45" (1/1) ... [2024-12-06 00:27:45,154 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:27:45,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:27:45,753 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:27:45,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:27:45,917 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:27:45,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:45 WrapperNode [2024-12-06 00:27:45,917 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:27:45,918 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:27:45,918 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:27:45,918 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:27:45,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:45" (1/1) ... [2024-12-06 00:27:45,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:45" (1/1) ... [2024-12-06 00:27:45,961 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 95 [2024-12-06 00:27:45,962 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:27:45,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:27:45,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:27:45,962 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:27:45,969 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:45" (1/1) ... [2024-12-06 00:27:45,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:45" (1/1) ... [2024-12-06 00:27:45,972 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:45" (1/1) ... [2024-12-06 00:27:45,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:45" (1/1) ... [2024-12-06 00:27:45,976 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:45" (1/1) ... [2024-12-06 00:27:45,977 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:45" (1/1) ... [2024-12-06 00:27:45,979 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:45" (1/1) ... [2024-12-06 00:27:45,981 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:45" (1/1) ... [2024-12-06 00:27:45,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:45" (1/1) ... [2024-12-06 00:27:45,984 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:27:45,984 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:27:45,984 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:27:45,984 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:27:45,985 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:45" (1/1) ... [2024-12-06 00:27:45,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:27:46,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:27:46,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:27:46,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:27:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 00:27:46,043 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 00:27:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:27:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:27:46,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:27:46,158 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:27:46,159 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:27:46,334 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-12-06 00:27:46,335 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:27:46,476 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:27:46,476 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:27:46,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:27:46 BoogieIcfgContainer [2024-12-06 00:27:46,476 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:27:46,477 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:27:46,477 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:27:46,484 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:27:46,484 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:27:46" (1/1) ... [2024-12-06 00:27:46,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:27:46,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:27:46,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 00:27:46,527 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 00:27:46,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:27:46,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:27:46,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:27:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:27:46,697 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:27:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:27:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:27:46,848 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:27:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:27:46,880 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 00:27:46,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:27:46 ImpRootNode [2024-12-06 00:27:46,900 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:27:46,901 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:27:46,901 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:27:46,901 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:27:46,902 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:27:46" (3/4) ... [2024-12-06 00:27:46,904 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:27:46,905 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:27:46,906 INFO L158 Benchmark]: Toolchain (without parser) took 1789.89ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 94.0MB in the end (delta: 20.0MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2024-12-06 00:27:46,906 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:27:46,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 801.26ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 55.2MB in the end (delta: 58.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 00:27:46,907 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.54ms. Allocated memory is still 142.6MB. Free memory was 54.9MB in the beginning and 113.4MB in the end (delta: -58.5MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-12-06 00:27:46,908 INFO L158 Benchmark]: Boogie Preprocessor took 21.63ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 112.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:27:46,908 INFO L158 Benchmark]: RCFGBuilder took 492.22ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 74.2MB in the end (delta: 37.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 00:27:46,908 INFO L158 Benchmark]: CodeCheck took 423.12ms. Allocated memory is still 142.6MB. Free memory was 74.2MB in the beginning and 94.0MB in the end (delta: -19.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:27:46,909 INFO L158 Benchmark]: Witness Printer took 4.38ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 94.0MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:27:46,911 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: 1568]: 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_multiply_51_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_multiply_51b_badSink(data) [L1566] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] data * 2 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 0.25ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 801.26ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 55.2MB in the end (delta: 58.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.54ms. Allocated memory is still 142.6MB. Free memory was 54.9MB in the beginning and 113.4MB in the end (delta: -58.5MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.63ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 112.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 492.22ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 74.2MB in the end (delta: 37.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 423.12ms. Allocated memory is still 142.6MB. Free memory was 74.2MB in the beginning and 94.0MB in the end (delta: -19.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.38ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 94.0MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 00:27:46,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/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_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/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_a2e4ca4e-48df-4945-b93b-7311dc9827e0/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 bef1dab6b24ebb18f2980915f8144943d6aa96ed337433b38a571608a8afe6f9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:27:49,043 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:27:49,123 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 00:27:49,149 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:27:49,150 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:27:49,150 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:27:49,151 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:27:49,151 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:27:49,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:27:49,151 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:27:49,151 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:27:49,151 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:27:49,151 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:27:49,152 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:27:49,152 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:27:49,152 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:27:49,152 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:27:49,152 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:27:49,152 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:27:49,152 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:27:49,152 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:27:49,152 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:27:49,152 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:27:49,153 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:27:49,153 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:27:49,153 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:27:49,153 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:27:49,153 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:27:49,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:27:49,153 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:27:49,153 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:27:49,153 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:27:49,153 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:27:49,154 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:27:49,154 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:27:49,154 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_a2e4ca4e-48df-4945-b93b-7311dc9827e0/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 -> bef1dab6b24ebb18f2980915f8144943d6aa96ed337433b38a571608a8afe6f9 [2024-12-06 00:27:49,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:27:49,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:27:49,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:27:49,425 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:27:49,425 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:27:49,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_bad.i [2024-12-06 00:27:52,206 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/data/b09de22c5/2c3f5a7535ba46a5b771c9a48531f300/FLAG6c89bee86 [2024-12-06 00:27:52,513 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:27:52,514 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_bad.i [2024-12-06 00:27:52,537 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/data/b09de22c5/2c3f5a7535ba46a5b771c9a48531f300/FLAG6c89bee86 [2024-12-06 00:27:52,759 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/data/b09de22c5/2c3f5a7535ba46a5b771c9a48531f300 [2024-12-06 00:27:52,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:27:52,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:27:52,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:27:52,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:27:52,769 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:27:52,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:27:52" (1/1) ... [2024-12-06 00:27:52,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35857e4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:52, skipping insertion in model container [2024-12-06 00:27:52,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:27:52" (1/1) ... [2024-12-06 00:27:52,808 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:27:53,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:27:53,483 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:27:53,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:27:53,656 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:27:53,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:53 WrapperNode [2024-12-06 00:27:53,656 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:27:53,657 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:27:53,657 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:27:53,657 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:27:53,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:53" (1/1) ... [2024-12-06 00:27:53,678 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:53" (1/1) ... [2024-12-06 00:27:53,696 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 55 [2024-12-06 00:27:53,696 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:27:53,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:27:53,697 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:27:53,697 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:27:53,702 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:53" (1/1) ... [2024-12-06 00:27:53,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:53" (1/1) ... [2024-12-06 00:27:53,705 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:53" (1/1) ... [2024-12-06 00:27:53,705 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:53" (1/1) ... [2024-12-06 00:27:53,712 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:53" (1/1) ... [2024-12-06 00:27:53,713 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:53" (1/1) ... [2024-12-06 00:27:53,715 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:53" (1/1) ... [2024-12-06 00:27:53,716 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:53" (1/1) ... [2024-12-06 00:27:53,717 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:53" (1/1) ... [2024-12-06 00:27:53,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:27:53,721 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:27:53,721 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:27:53,721 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:27:53,722 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:27:53" (1/1) ... [2024-12-06 00:27:53,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:27:53,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:27:53,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:27:53,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:27:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 00:27:53,771 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 00:27:53,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:27:53,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:27:53,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:27:53,886 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:27:53,887 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:27:53,987 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-12-06 00:27:53,987 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:27:54,040 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:27:54,040 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:27:54,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:27:54 BoogieIcfgContainer [2024-12-06 00:27:54,041 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:27:54,041 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:27:54,042 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:27:54,049 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:27:54,049 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:27:54" (1/1) ... [2024-12-06 00:27:54,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:27:54,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:27:54,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 00:27:54,096 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 00:27:54,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:27:54,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:27:54,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:27:54,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:27:54,101 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:27:54,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:27:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:27:54,250 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:27:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:27:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:27:54,349 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:27:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:27:54,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:27:54,383 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 00:27:54,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:27:54 ImpRootNode [2024-12-06 00:27:54,406 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:27:54,407 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:27:54,407 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:27:54,407 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:27:54,408 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:27:54" (3/4) ... [2024-12-06 00:27:54,409 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 00:27:54,446 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-06 00:27:54,484 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 00:27:54,485 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 00:27:54,485 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:27:54,486 INFO L158 Benchmark]: Toolchain (without parser) took 1722.46ms. Allocated memory is still 92.3MB. Free memory was 67.0MB in the beginning and 53.1MB in the end (delta: 13.9MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-12-06 00:27:54,486 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:27:54,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 892.14ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 62.3MB in the end (delta: 4.5MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2024-12-06 00:27:54,487 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.42ms. Allocated memory is still 92.3MB. Free memory was 62.3MB in the beginning and 59.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:27:54,487 INFO L158 Benchmark]: Boogie Preprocessor took 23.31ms. Allocated memory is still 92.3MB. Free memory was 59.6MB in the beginning and 57.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:27:54,487 INFO L158 Benchmark]: RCFGBuilder took 319.70ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 41.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:27:54,488 INFO L158 Benchmark]: CodeCheck took 364.97ms. Allocated memory is still 92.3MB. Free memory was 41.1MB in the beginning and 57.7MB in the end (delta: -16.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:27:54,488 INFO L158 Benchmark]: Witness Printer took 77.86ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 53.1MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:27:54,490 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: 1568]: 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_multiply_51_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_multiply_51b_badSink(data) [L1566] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] data * 2 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 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 892.14ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 62.3MB in the end (delta: 4.5MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.42ms. Allocated memory is still 92.3MB. Free memory was 62.3MB in the beginning and 59.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.31ms. Allocated memory is still 92.3MB. Free memory was 59.6MB in the beginning and 57.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 319.70ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 41.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 364.97ms. Allocated memory is still 92.3MB. Free memory was 41.1MB in the beginning and 57.7MB in the end (delta: -16.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 77.86ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 53.1MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 00:27:54,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2e4ca4e-48df-4945-b93b-7311dc9827e0/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)