./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_66_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk --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 5b416dce11a4288185e57aab13d044d7d699b9e954a6eb469f5a3a48f8c18dcd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:35:26,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:35:26,195 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:35:26,199 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:35:26,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:35:26,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:35:26,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:35:26,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:35:26,237 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:35:26,238 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:35:26,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:35:26,239 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:35:26,240 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:35:26,241 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:35:26,242 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:35:26,242 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:35:26,242 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:35:26,243 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:35:26,243 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:35:26,243 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:35:26,243 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:35:26,248 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:35:26,248 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:35:26,248 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:35:26,248 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:35:26,249 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:35:26,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:35:26,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:35:26,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:35:26,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:35:26,250 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:35:26,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:35:26,250 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b416dce11a4288185e57aab13d044d7d699b9e954a6eb469f5a3a48f8c18dcd [2024-11-08 22:35:26,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:35:26,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:35:26,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:35:26,580 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:35:26,581 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:35:26,584 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_66_bad.i Unable to find full path for "g++" [2024-11-08 22:35:28,584 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:35:28,937 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:35:28,938 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_66_bad.i [2024-11-08 22:35:28,965 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/data/5b2065261/52a08f5b400549698916de2190bf4126/FLAGb64502ef3 [2024-11-08 22:35:28,985 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/data/5b2065261/52a08f5b400549698916de2190bf4126 [2024-11-08 22:35:28,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:35:28,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:35:28,990 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:35:28,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:35:28,997 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:35:28,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:35:28" (1/1) ... [2024-11-08 22:35:28,999 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30a7947b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:28, skipping insertion in model container [2024-11-08 22:35:28,999 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:35:28" (1/1) ... [2024-11-08 22:35:29,070 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:35:30,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:35:30,116 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:35:30,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:35:30,367 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:35:30,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:30 WrapperNode [2024-11-08 22:35:30,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:35:30,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:35:30,369 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:35:30,369 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:35:30,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:30" (1/1) ... [2024-11-08 22:35:30,410 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:30" (1/1) ... [2024-11-08 22:35:30,443 INFO L138 Inliner]: procedures = 498, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 105 [2024-11-08 22:35:30,443 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:35:30,444 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:35:30,445 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:35:30,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:35:30,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:30" (1/1) ... [2024-11-08 22:35:30,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:30" (1/1) ... [2024-11-08 22:35:30,457 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:30" (1/1) ... [2024-11-08 22:35:30,458 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:30" (1/1) ... [2024-11-08 22:35:30,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:30" (1/1) ... [2024-11-08 22:35:30,470 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:30" (1/1) ... [2024-11-08 22:35:30,474 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:30" (1/1) ... [2024-11-08 22:35:30,475 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:30" (1/1) ... [2024-11-08 22:35:30,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:35:30,480 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:35:30,480 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:35:30,481 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:35:30,482 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:30" (1/1) ... [2024-11-08 22:35:30,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:35:30,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:35:30,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:35:30,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:35:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:35:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:35:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:35:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:35:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:35:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:35:30,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:35:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:35:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:35:30,772 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:35:30,776 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:35:31,111 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-11-08 22:35:31,111 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:35:31,344 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:35:31,344 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:35:31,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:35:31 BoogieIcfgContainer [2024-11-08 22:35:31,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:35:31,346 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:35:31,346 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:35:31,357 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:35:31,357 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:35:31" (1/1) ... [2024-11-08 22:35:31,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:35:31,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:31,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:35:31,434 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:35:31,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:35:31,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:31,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:35:31,672 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:35:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:35:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:35:31,895 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:35:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:35:31,955 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:35:31,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:35:31 ImpRootNode [2024-11-08 22:35:31,992 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:35:31,993 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:35:31,995 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:35:31,996 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:35:31,996 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:35:31" (3/4) ... [2024-11-08 22:35:31,999 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:35:32,000 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:35:32,001 INFO L158 Benchmark]: Toolchain (without parser) took 3012.15ms. Allocated memory was 146.8MB in the beginning and 184.5MB in the end (delta: 37.7MB). Free memory was 104.5MB in the beginning and 109.5MB in the end (delta: -5.0MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2024-11-08 22:35:32,002 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 146.8MB. Free memory is still 114.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:35:32,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1377.28ms. Allocated memory was 146.8MB in the beginning and 184.5MB in the end (delta: 37.7MB). Free memory was 104.5MB in the beginning and 132.5MB in the end (delta: -28.0MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-08 22:35:32,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.27ms. Allocated memory is still 184.5MB. Free memory was 132.5MB in the beginning and 129.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:35:32,004 INFO L158 Benchmark]: Boogie Preprocessor took 35.05ms. Allocated memory is still 184.5MB. Free memory was 129.3MB in the beginning and 127.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:35:32,005 INFO L158 Benchmark]: RCFGBuilder took 864.73ms. Allocated memory is still 184.5MB. Free memory was 127.3MB in the beginning and 86.3MB in the end (delta: 41.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-08 22:35:32,005 INFO L158 Benchmark]: CodeCheck took 646.25ms. Allocated memory is still 184.5MB. Free memory was 86.3MB in the beginning and 109.5MB in the end (delta: -23.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:35:32,006 INFO L158 Benchmark]: Witness Printer took 7.43ms. Allocated memory is still 184.5MB. Free memory is still 109.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:35:32,009 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: 0.6s, 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: 1570]: 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 1561, overapproximation of bitwiseOr at line 1554. 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); [L1561] 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) [L1561] 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] [L1562] CALL CWE191_Integer_Underflow__int_rand_sub_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_rand_sub_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 146.8MB. Free memory is still 114.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1377.28ms. Allocated memory was 146.8MB in the beginning and 184.5MB in the end (delta: 37.7MB). Free memory was 104.5MB in the beginning and 132.5MB in the end (delta: -28.0MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.27ms. Allocated memory is still 184.5MB. Free memory was 132.5MB in the beginning and 129.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.05ms. Allocated memory is still 184.5MB. Free memory was 129.3MB in the beginning and 127.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 864.73ms. Allocated memory is still 184.5MB. Free memory was 127.3MB in the beginning and 86.3MB in the end (delta: 41.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 646.25ms. Allocated memory is still 184.5MB. Free memory was 86.3MB in the beginning and 109.5MB in the end (delta: -23.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.43ms. Allocated memory is still 184.5MB. Free memory is still 109.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:35:32,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk --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 5b416dce11a4288185e57aab13d044d7d699b9e954a6eb469f5a3a48f8c18dcd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:35:34,548 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:35:34,647 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:35:34,673 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:35:34,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:35:34,675 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:35:34,675 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:35:34,676 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:35:34,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:35:34,676 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:35:34,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:35:34,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:35:34,677 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:35:34,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:35:34,678 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:35:34,678 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:35:34,679 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:35:34,679 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:35:34,679 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:35:34,680 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:35:34,680 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:35:34,681 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:35:34,681 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:35:34,681 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:35:34,682 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:35:34,682 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:34,682 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:35:34,683 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:35:34,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:35:34,683 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:35:34,684 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:35:34,684 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:35:34,684 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:35:34,685 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:34,685 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:35:34,685 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b416dce11a4288185e57aab13d044d7d699b9e954a6eb469f5a3a48f8c18dcd [2024-11-08 22:35:35,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:35:35,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:35:35,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:35:35,126 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:35:35,127 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:35:35,129 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_66_bad.i Unable to find full path for "g++" [2024-11-08 22:35:37,226 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:35:37,709 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:35:37,712 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_66_bad.i [2024-11-08 22:35:37,744 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/data/0ef88c988/ef7a8818093d4ec680a1b4c85ec00551/FLAGd23692e91 [2024-11-08 22:35:37,764 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/data/0ef88c988/ef7a8818093d4ec680a1b4c85ec00551 [2024-11-08 22:35:37,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:35:37,769 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:35:37,771 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:35:37,771 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:35:37,777 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:35:37,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:35:37" (1/1) ... [2024-11-08 22:35:37,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@182f4a70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:37, skipping insertion in model container [2024-11-08 22:35:37,779 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:35:37" (1/1) ... [2024-11-08 22:35:37,857 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:35:38,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:35:38,914 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:35:39,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:35:39,270 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:35:39,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:39 WrapperNode [2024-11-08 22:35:39,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:35:39,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:35:39,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:35:39,273 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:35:39,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:39" (1/1) ... [2024-11-08 22:35:39,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:39" (1/1) ... [2024-11-08 22:35:39,357 INFO L138 Inliner]: procedures = 503, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2024-11-08 22:35:39,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:35:39,361 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:35:39,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:35:39,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:35:39,371 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:39" (1/1) ... [2024-11-08 22:35:39,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:39" (1/1) ... [2024-11-08 22:35:39,379 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:39" (1/1) ... [2024-11-08 22:35:39,380 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:39" (1/1) ... [2024-11-08 22:35:39,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:39" (1/1) ... [2024-11-08 22:35:39,399 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:39" (1/1) ... [2024-11-08 22:35:39,408 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:39" (1/1) ... [2024-11-08 22:35:39,410 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:39" (1/1) ... [2024-11-08 22:35:39,413 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:35:39,414 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:35:39,414 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:35:39,414 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:35:39,419 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:39" (1/1) ... [2024-11-08 22:35:39,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:35:39,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:35:39,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:35:39,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:35:39,502 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:35:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:35:39,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:35:39,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:35:39,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:35:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:35:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 22:35:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:35:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 22:35:39,668 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:35:39,671 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:35:39,874 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-08 22:35:39,874 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:35:39,993 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:35:39,993 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:35:39,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:35:39 BoogieIcfgContainer [2024-11-08 22:35:39,994 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:35:39,995 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:35:39,995 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:35:40,006 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:35:40,006 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:35:39" (1/1) ... [2024-11-08 22:35:40,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:35:40,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:40,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:35:40,087 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:35:40,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:35:40,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:40,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:40,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:40,096 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:40,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:35:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:35:40,336 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:35:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:35:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:35:40,539 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:35:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:35:40,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:40,608 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:35:40,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:35:40 ImpRootNode [2024-11-08 22:35:40,642 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:35:40,642 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:35:40,643 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:35:40,643 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:35:40,643 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:35:39" (3/4) ... [2024-11-08 22:35:40,648 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:35:40,649 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:35:40,650 INFO L158 Benchmark]: Toolchain (without parser) took 2881.41ms. Allocated memory was 77.6MB in the beginning and 130.0MB in the end (delta: 52.4MB). Free memory was 49.8MB in the beginning and 80.7MB in the end (delta: -30.9MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-11-08 22:35:40,651 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 77.6MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:35:40,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1500.26ms. Allocated memory was 77.6MB in the beginning and 130.0MB in the end (delta: 52.4MB). Free memory was 49.6MB in the beginning and 84.8MB in the end (delta: -35.2MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-11-08 22:35:40,653 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.91ms. Allocated memory is still 130.0MB. Free memory was 84.8MB in the beginning and 81.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:35:40,653 INFO L158 Benchmark]: Boogie Preprocessor took 52.44ms. Allocated memory is still 130.0MB. Free memory was 81.8MB in the beginning and 79.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:35:40,654 INFO L158 Benchmark]: RCFGBuilder took 580.41ms. Allocated memory is still 130.0MB. Free memory was 79.2MB in the beginning and 98.1MB in the end (delta: -18.9MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2024-11-08 22:35:40,655 INFO L158 Benchmark]: CodeCheck took 647.24ms. Allocated memory is still 130.0MB. Free memory was 98.1MB in the beginning and 81.4MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:35:40,656 INFO L158 Benchmark]: Witness Printer took 7.16ms. Allocated memory is still 130.0MB. Free memory was 81.4MB in the beginning and 80.7MB in the end (delta: 744.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:35:40,662 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: 0.6s, 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: 1570]: 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 1561. 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); [L1561] 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) [L1561] 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] [L1562] CALL CWE191_Integer_Underflow__int_rand_sub_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_rand_sub_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 77.6MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1500.26ms. Allocated memory was 77.6MB in the beginning and 130.0MB in the end (delta: 52.4MB). Free memory was 49.6MB in the beginning and 84.8MB in the end (delta: -35.2MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.91ms. Allocated memory is still 130.0MB. Free memory was 84.8MB in the beginning and 81.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.44ms. Allocated memory is still 130.0MB. Free memory was 81.8MB in the beginning and 79.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 580.41ms. Allocated memory is still 130.0MB. Free memory was 79.2MB in the beginning and 98.1MB in the end (delta: -18.9MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * CodeCheck took 647.24ms. Allocated memory is still 130.0MB. Free memory was 98.1MB in the beginning and 81.4MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.16ms. Allocated memory is still 130.0MB. Free memory was 81.4MB in the beginning and 80.7MB in the end (delta: 744.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:35:40,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb84f0d5-a27c-424b-ba38-b8f2ca8768b0/bin/ukojak-verify-ImItNfHLgk/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 Result: UNKNOWN: Overapproximated counterexample