./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm --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 44a56d6a88741e6a1d774d3aaeec0d446c56e2c5b857f14db04fbcae14fada63 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:08:52,354 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:08:52,437 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:08:52,441 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:08:52,442 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:08:52,464 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:08:52,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:08:52,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:08:52,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:08:52,468 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:08:52,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:08:52,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:08:52,469 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:08:52,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:08:52,469 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:08:52,469 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:08:52,469 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:08:52,469 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:08:52,469 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:08:52,469 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:08:52,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:08:52,470 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:08:52,470 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:08:52,470 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:08:52,470 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:08:52,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:08:52,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:08:52,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:08:52,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:08:52,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:08:52,470 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:08:52,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:08:52,471 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_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm 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 -> 44a56d6a88741e6a1d774d3aaeec0d446c56e2c5b857f14db04fbcae14fada63 [2024-11-13 22:08:52,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:08:52,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:08:52,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:08:52,814 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:08:52,815 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:08:52,816 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i Unable to find full path for "g++" [2024-11-13 22:08:54,798 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:08:55,279 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:08:55,279 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i [2024-11-13 22:08:55,311 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/data/46208282a/b20e9a4a895c4d22b1786963e6388a6d/FLAGe8f5aa489 [2024-11-13 22:08:55,385 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/data/46208282a/b20e9a4a895c4d22b1786963e6388a6d [2024-11-13 22:08:55,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:08:55,390 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:08:55,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:08:55,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:08:55,396 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:08:55,397 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:08:55" (1/1) ... [2024-11-13 22:08:55,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f82536c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:08:55, skipping insertion in model container [2024-11-13 22:08:55,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:08:55" (1/1) ... [2024-11-13 22:08:55,446 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:08:56,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:08:56,585 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:08:56,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:08:56,844 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:08:56,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:08:56 WrapperNode [2024-11-13 22:08:56,844 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:08:56,845 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:08:56,847 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:08:56,847 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:08:56,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:08:56" (1/1) ... [2024-11-13 22:08:56,882 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:08:56" (1/1) ... [2024-11-13 22:08:56,905 INFO L138 Inliner]: procedures = 498, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 113 [2024-11-13 22:08:56,905 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:08:56,906 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:08:56,906 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:08:56,906 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:08:56,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:08:56" (1/1) ... [2024-11-13 22:08:56,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:08:56" (1/1) ... [2024-11-13 22:08:56,918 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:08:56" (1/1) ... [2024-11-13 22:08:56,918 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:08:56" (1/1) ... [2024-11-13 22:08:56,925 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:08:56" (1/1) ... [2024-11-13 22:08:56,927 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:08:56" (1/1) ... [2024-11-13 22:08:56,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:08:56" (1/1) ... [2024-11-13 22:08:56,929 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:08:56" (1/1) ... [2024-11-13 22:08:56,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:08:56,933 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:08:56,933 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:08:56,933 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:08:56,934 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:08:56" (1/1) ... [2024-11-13 22:08:56,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:08:56,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:08:56,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:08:56,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:08:57,017 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:08:57,017 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:08:57,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:08:57,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:08:57,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:08:57,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:08:57,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:08:57,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:08:57,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:08:57,166 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:08:57,168 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:08:57,413 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-11-13 22:08:57,413 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:08:57,732 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:08:57,732 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:08:57,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:08:57 BoogieIcfgContainer [2024-11-13 22:08:57,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:08:57,733 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:08:57,733 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:08:57,748 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:08:57,749 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:08:57" (1/1) ... [2024-11-13 22:08:57,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:08:57,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:08:57,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:08:57,824 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:08:57,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:08:57,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:08:57,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:08:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:08:58,152 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:08:58,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:08:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:08:58,446 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:08:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:08:58,524 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:08:58,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:08:58 ImpRootNode [2024-11-13 22:08:58,561 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:08:58,563 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:08:58,564 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:08:58,564 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:08:58,566 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:08:57" (3/4) ... [2024-11-13 22:08:58,568 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:08:58,569 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:08:58,571 INFO L158 Benchmark]: Toolchain (without parser) took 3180.97ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 46.2MB in the end (delta: 43.1MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2024-11-13 22:08:58,573 INFO L158 Benchmark]: CDTParser took 1.72ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:08:58,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1453.71ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 79.9MB in the end (delta: 9.1MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 22:08:58,574 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.02ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 77.0MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:08:58,574 INFO L158 Benchmark]: Boogie Preprocessor took 26.33ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:08:58,576 INFO L158 Benchmark]: RCFGBuilder took 799.78ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 87.1MB in the end (delta: -11.2MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2024-11-13 22:08:58,576 INFO L158 Benchmark]: CodeCheck took 827.47ms. Allocated memory is still 117.4MB. Free memory was 87.1MB in the beginning and 46.2MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 22:08:58,576 INFO L158 Benchmark]: Witness Printer took 6.27ms. Allocated memory is still 117.4MB. Free memory is still 46.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:08:58,580 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: 0.8s, 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 - UnprovableResult [Line: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1565, overapproximation of bitwiseOr at line 1558. 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_rand_postdec_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_postdec_67_structType myStruct; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] data-- 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 1.72ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1453.71ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 79.9MB in the end (delta: 9.1MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.02ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 77.0MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.33ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 799.78ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 87.1MB in the end (delta: -11.2MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * CodeCheck took 827.47ms. Allocated memory is still 117.4MB. Free memory was 87.1MB in the beginning and 46.2MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 6.27ms. Allocated memory is still 117.4MB. Free memory is still 46.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:08:58,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/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_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm --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 44a56d6a88741e6a1d774d3aaeec0d446c56e2c5b857f14db04fbcae14fada63 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:09:01,331 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:09:01,432 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:09:01,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:09:01,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:09:01,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:09:01,533 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:09:01,533 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:09:01,533 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:09:01,533 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:09:01,534 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:09:01,534 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:09:01,534 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:09:01,534 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:09:01,534 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:09:01,534 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:09:01,534 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:09:01,534 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:09:01,534 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:09:01,534 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:09:01,534 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:09:01,535 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:09:01,535 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:09:01,535 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:09:01,535 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:09:01,535 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:01,535 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:09:01,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:09:01,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:09:01,535 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:09:01,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:09:01,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:09:01,539 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:09:01,539 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:01,539 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:09:01,539 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_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm 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 -> 44a56d6a88741e6a1d774d3aaeec0d446c56e2c5b857f14db04fbcae14fada63 [2024-11-13 22:09:01,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:09:01,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:09:01,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:09:01,919 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:09:01,919 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:09:01,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i Unable to find full path for "g++" [2024-11-13 22:09:03,857 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:09:04,321 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:09:04,322 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i [2024-11-13 22:09:04,361 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/data/a053090ee/cfb2f1c863ff4fba9180a89877141ce7/FLAG039b9c547 [2024-11-13 22:09:04,379 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/data/a053090ee/cfb2f1c863ff4fba9180a89877141ce7 [2024-11-13 22:09:04,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:09:04,383 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:09:04,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:09:04,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:09:04,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:09:04,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:09:04" (1/1) ... [2024-11-13 22:09:04,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73d6e3c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:04, skipping insertion in model container [2024-11-13 22:09:04,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:09:04" (1/1) ... [2024-11-13 22:09:04,444 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:09:05,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:09:05,470 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:09:05,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:09:05,772 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:09:05,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:05 WrapperNode [2024-11-13 22:09:05,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:09:05,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:09:05,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:09:05,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:09:05,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:05" (1/1) ... [2024-11-13 22:09:05,807 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:05" (1/1) ... [2024-11-13 22:09:05,837 INFO L138 Inliner]: procedures = 503, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2024-11-13 22:09:05,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:09:05,838 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:09:05,838 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:09:05,838 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:09:05,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:05" (1/1) ... [2024-11-13 22:09:05,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:05" (1/1) ... [2024-11-13 22:09:05,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:05" (1/1) ... [2024-11-13 22:09:05,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:05" (1/1) ... [2024-11-13 22:09:05,867 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:05" (1/1) ... [2024-11-13 22:09:05,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:05" (1/1) ... [2024-11-13 22:09:05,873 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:05" (1/1) ... [2024-11-13 22:09:05,877 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:05" (1/1) ... [2024-11-13 22:09:05,881 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:09:05,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:09:05,882 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:09:05,882 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:09:05,883 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:05" (1/1) ... [2024-11-13 22:09:05,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:09:05,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:09:05,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:09:05,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:09:05,948 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:09:05,948 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:09:05,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:09:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:09:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:09:05,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:09:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 22:09:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:09:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 22:09:06,138 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:09:06,140 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:09:06,388 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-13 22:09:06,388 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:09:06,504 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:09:06,504 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:09:06,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:09:06 BoogieIcfgContainer [2024-11-13 22:09:06,505 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:09:06,505 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:09:06,506 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:09:06,517 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:09:06,517 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:09:06" (1/1) ... [2024-11-13 22:09:06,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:09:06,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:06,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:09:06,593 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:09:06,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:09:06,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:06,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:06,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:09:06,603 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:09:06,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:09:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:09:06,963 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:09:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:09:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:09:07,289 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:09:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:09:07,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:09:07,415 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:09:07,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:09:07 ImpRootNode [2024-11-13 22:09:07,455 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:09:07,455 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:09:07,455 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:09:07,456 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:09:07,456 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:09:06" (3/4) ... [2024-11-13 22:09:07,459 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:09:07,460 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:09:07,464 INFO L158 Benchmark]: Toolchain (without parser) took 3078.68ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 72.3MB in the end (delta: 16.4MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2024-11-13 22:09:07,464 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:09:07,465 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1388.50ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 66.6MB in the end (delta: 21.9MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2024-11-13 22:09:07,465 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.27ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 63.6MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:09:07,467 INFO L158 Benchmark]: Boogie Preprocessor took 42.45ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 61.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:09:07,468 INFO L158 Benchmark]: RCFGBuilder took 623.20ms. Allocated memory is still 117.4MB. Free memory was 61.7MB in the beginning and 41.4MB in the end (delta: 20.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:09:07,468 INFO L158 Benchmark]: CodeCheck took 949.39ms. Allocated memory is still 117.4MB. Free memory was 41.4MB in the beginning and 72.3MB in the end (delta: -30.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:09:07,469 INFO L158 Benchmark]: Witness Printer took 5.24ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 72.3MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:09:07,473 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: 0.9s, 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, 0.1s 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 - UnprovableResult [Line: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1565. 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_rand_postdec_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_postdec_67_structType myStruct; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] data-- 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 0.45ms. Allocated memory is still 117.4MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1388.50ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 66.6MB in the end (delta: 21.9MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.27ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 63.6MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.45ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 61.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 623.20ms. Allocated memory is still 117.4MB. Free memory was 61.7MB in the beginning and 41.4MB in the end (delta: 20.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 949.39ms. Allocated memory is still 117.4MB. Free memory was 41.4MB in the beginning and 72.3MB in the end (delta: -30.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.24ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 72.3MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:09:07,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d184f1-d81a-49fd-9513-b66968855b2f/bin/ukojak-verify-EEHR8qb7sm/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample