./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_21_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_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/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_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/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_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/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 056dda92fe3ddc2dc7e4f4569a0e8208f93ea230fec1d2bd44dacb02553d2fa7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:49:31,534 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:49:31,628 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:49:31,635 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:49:31,636 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:49:31,671 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:49:31,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:49:31,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:49:31,675 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:49:31,675 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:49:31,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:49:31,676 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:49:31,677 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:49:31,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:49:31,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:49:31,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:49:31,679 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:49:31,679 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:49:31,680 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:49:31,680 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:49:31,681 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:49:31,681 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:49:31,682 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:49:31,682 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:49:31,683 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:49:31,683 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:49:31,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:49:31,684 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:49:31,684 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:49:31,685 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:49:31,685 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:49:31,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:49:31,686 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_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 056dda92fe3ddc2dc7e4f4569a0e8208f93ea230fec1d2bd44dacb02553d2fa7 [2024-11-08 23:49:32,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:49:32,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:49:32,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:49:32,061 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:49:32,062 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:49:32,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_21_bad.i Unable to find full path for "g++" [2024-11-08 23:49:34,138 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:49:34,511 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:49:34,512 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_21_bad.i [2024-11-08 23:49:34,546 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/bin/ukojak-verify-ImItNfHLgk/data/d579f40f9/7747d85dfb234ebf9d5e944a3d8bc6c0/FLAGb29b11660 [2024-11-08 23:49:34,568 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/bin/ukojak-verify-ImItNfHLgk/data/d579f40f9/7747d85dfb234ebf9d5e944a3d8bc6c0 [2024-11-08 23:49:34,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:49:34,572 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:49:34,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:49:34,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:49:34,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:49:34,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:49:34" (1/1) ... [2024-11-08 23:49:34,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18a6b381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:34, skipping insertion in model container [2024-11-08 23:49:34,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:49:34" (1/1) ... [2024-11-08 23:49:34,644 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:49:35,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:49:35,688 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:49:35,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:49:35,946 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:49:35,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:35 WrapperNode [2024-11-08 23:49:35,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:49:35,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:49:35,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:49:35,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:49:35,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:35" (1/1) ... [2024-11-08 23:49:36,007 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:35" (1/1) ... [2024-11-08 23:49:36,051 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 104 [2024-11-08 23:49:36,052 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:49:36,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:49:36,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:49:36,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:49:36,062 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:35" (1/1) ... [2024-11-08 23:49:36,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:35" (1/1) ... [2024-11-08 23:49:36,071 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:35" (1/1) ... [2024-11-08 23:49:36,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:35" (1/1) ... [2024-11-08 23:49:36,081 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:35" (1/1) ... [2024-11-08 23:49:36,086 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:35" (1/1) ... [2024-11-08 23:49:36,088 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:35" (1/1) ... [2024-11-08 23:49:36,089 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:35" (1/1) ... [2024-11-08 23:49:36,095 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:49:36,100 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:49:36,100 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:49:36,100 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:49:36,101 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:35" (1/1) ... [2024-11-08 23:49:36,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:49:36,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:49:36,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:49:36,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:49:36,198 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:49:36,199 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:49:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:49:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:49:36,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:49:36,383 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:49:36,386 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:49:36,626 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-08 23:49:36,627 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:49:36,873 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:49:36,873 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:49:36,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:49:36 BoogieIcfgContainer [2024-11-08 23:49:36,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:49:36,875 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:49:36,875 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:49:36,886 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:49:36,886 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:49:36" (1/1) ... [2024-11-08 23:49:36,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:49:36,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:36,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 23:49:36,969 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 23:49:36,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:49:36,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:36,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:49:37,339 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:49:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:49:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:49:37,572 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:49:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:49:37,653 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:49:37,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:49:37 ImpRootNode [2024-11-08 23:49:37,685 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:49:37,687 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:49:37,687 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:49:37,687 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:49:37,688 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:49:36" (3/4) ... [2024-11-08 23:49:37,692 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:49:37,693 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:49:37,694 INFO L158 Benchmark]: Toolchain (without parser) took 3122.14ms. Allocated memory is still 151.0MB. Free memory was 116.9MB in the beginning and 86.0MB in the end (delta: 30.9MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2024-11-08 23:49:37,695 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory was 87.4MB in the beginning and 87.4MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:49:37,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1372.77ms. Allocated memory is still 151.0MB. Free memory was 116.2MB in the beginning and 111.9MB in the end (delta: 4.3MB). Peak memory consumption was 70.6MB. Max. memory is 16.1GB. [2024-11-08 23:49:37,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.89ms. Allocated memory is still 151.0MB. Free memory was 111.9MB in the beginning and 109.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:49:37,698 INFO L158 Benchmark]: Boogie Preprocessor took 46.74ms. Allocated memory is still 151.0MB. Free memory was 109.0MB in the beginning and 106.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:49:37,699 INFO L158 Benchmark]: RCFGBuilder took 774.07ms. Allocated memory is still 151.0MB. Free memory was 106.9MB in the beginning and 67.8MB in the end (delta: 39.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-08 23:49:37,699 INFO L158 Benchmark]: CodeCheck took 810.16ms. Allocated memory is still 151.0MB. Free memory was 67.8MB in the beginning and 86.0MB in the end (delta: -18.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:49:37,700 INFO L158 Benchmark]: Witness Printer took 6.72ms. Allocated memory is still 151.0MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:49:37,705 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1554]: 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 1571, overapproximation of bitwiseOr at line 1564. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_21_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) [L1554] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory was 87.4MB in the beginning and 87.4MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1372.77ms. Allocated memory is still 151.0MB. Free memory was 116.2MB in the beginning and 111.9MB in the end (delta: 4.3MB). Peak memory consumption was 70.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.89ms. Allocated memory is still 151.0MB. Free memory was 111.9MB in the beginning and 109.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.74ms. Allocated memory is still 151.0MB. Free memory was 109.0MB in the beginning and 106.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 774.07ms. Allocated memory is still 151.0MB. Free memory was 106.9MB in the beginning and 67.8MB in the end (delta: 39.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 810.16ms. Allocated memory is still 151.0MB. Free memory was 67.8MB in the beginning and 86.0MB in the end (delta: -18.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.72ms. Allocated memory is still 151.0MB. Free memory is still 86.0MB. 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 23:49:37,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/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_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/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_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/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_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/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 056dda92fe3ddc2dc7e4f4569a0e8208f93ea230fec1d2bd44dacb02553d2fa7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:49:40,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:49:40,391 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:49:40,441 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:49:40,442 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:49:40,443 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:49:40,444 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:49:40,444 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:49:40,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:49:40,445 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:49:40,446 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:49:40,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:49:40,447 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:49:40,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:49:40,451 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:49:40,451 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:49:40,452 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:49:40,452 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:49:40,453 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:49:40,453 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:49:40,454 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:49:40,458 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:49:40,458 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:49:40,459 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:49:40,459 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:49:40,459 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:40,460 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:49:40,460 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:49:40,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:49:40,461 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:49:40,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:49:40,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:49:40,466 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:49:40,466 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:40,466 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:49:40,467 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_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 056dda92fe3ddc2dc7e4f4569a0e8208f93ea230fec1d2bd44dacb02553d2fa7 [2024-11-08 23:49:40,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:49:40,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:49:40,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:49:40,932 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:49:40,934 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:49:40,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_21_bad.i Unable to find full path for "g++" [2024-11-08 23:49:43,165 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:49:43,557 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:49:43,557 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_21_bad.i [2024-11-08 23:49:43,599 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/bin/ukojak-verify-ImItNfHLgk/data/f053596ac/c5e6fa2944304e30b9349cce60dc34f6/FLAGbf0c80478 [2024-11-08 23:49:43,635 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/bin/ukojak-verify-ImItNfHLgk/data/f053596ac/c5e6fa2944304e30b9349cce60dc34f6 [2024-11-08 23:49:43,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:49:43,645 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:49:43,646 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:49:43,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:49:43,660 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:49:43,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:49:43" (1/1) ... [2024-11-08 23:49:43,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e8f76b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:43, skipping insertion in model container [2024-11-08 23:49:43,667 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:49:43" (1/1) ... [2024-11-08 23:49:43,764 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:49:44,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:49:44,954 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:49:45,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:49:45,284 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:49:45,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:45 WrapperNode [2024-11-08 23:49:45,284 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:49:45,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:49:45,286 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:49:45,286 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:49:45,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:45" (1/1) ... [2024-11-08 23:49:45,319 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:45" (1/1) ... [2024-11-08 23:49:45,348 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2024-11-08 23:49:45,348 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:49:45,349 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:49:45,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:49:45,351 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:49:45,359 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:45" (1/1) ... [2024-11-08 23:49:45,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:45" (1/1) ... [2024-11-08 23:49:45,363 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:45" (1/1) ... [2024-11-08 23:49:45,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:45" (1/1) ... [2024-11-08 23:49:45,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:45" (1/1) ... [2024-11-08 23:49:45,375 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:45" (1/1) ... [2024-11-08 23:49:45,381 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:45" (1/1) ... [2024-11-08 23:49:45,383 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:45" (1/1) ... [2024-11-08 23:49:45,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:49:45,390 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:49:45,390 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:49:45,390 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:49:45,391 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:45" (1/1) ... [2024-11-08 23:49:45,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:49:45,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:49:45,431 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:49:45,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:49:45,461 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:49:45,461 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:49:45,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:49:45,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:49:45,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:49:45,657 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:49:45,659 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:49:45,804 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-08 23:49:45,804 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:49:45,889 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:49:45,889 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:49:45,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:49:45 BoogieIcfgContainer [2024-11-08 23:49:45,892 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:49:45,892 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:49:45,892 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:49:45,903 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:49:45,903 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:49:45" (1/1) ... [2024-11-08 23:49:45,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:49:45,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:45,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 23:49:45,971 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 23:49:45,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:49:45,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:45,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:45,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:45,983 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:45,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:49:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:49:46,201 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:49:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:49:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:49:46,338 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:49:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:49:46,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:49:46,410 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:49:46,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:49:46 ImpRootNode [2024-11-08 23:49:46,448 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:49:46,449 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:49:46,449 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:49:46,449 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:49:46,452 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:49:45" (3/4) ... [2024-11-08 23:49:46,455 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:49:46,456 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:49:46,457 INFO L158 Benchmark]: Toolchain (without parser) took 2812.47ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 61.4MB in the beginning and 55.6MB in the end (delta: 5.7MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2024-11-08 23:49:46,458 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory was 59.9MB in the beginning and 59.7MB in the end (delta: 147.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:49:46,459 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1638.66ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 61.1MB in the beginning and 63.9MB in the end (delta: -2.8MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2024-11-08 23:49:46,460 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.84ms. Allocated memory is still 111.1MB. Free memory was 63.9MB in the beginning and 60.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:49:46,461 INFO L158 Benchmark]: Boogie Preprocessor took 40.20ms. Allocated memory is still 111.1MB. Free memory was 60.7MB in the beginning and 58.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:49:46,462 INFO L158 Benchmark]: RCFGBuilder took 501.75ms. Allocated memory is still 111.1MB. Free memory was 58.6MB in the beginning and 71.8MB in the end (delta: -13.1MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-11-08 23:49:46,463 INFO L158 Benchmark]: CodeCheck took 556.04ms. Allocated memory is still 111.1MB. Free memory was 71.8MB in the beginning and 56.3MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:49:46,464 INFO L158 Benchmark]: Witness Printer took 7.32ms. Allocated memory is still 111.1MB. Free memory was 56.3MB in the beginning and 55.6MB in the end (delta: 651.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:49:46,470 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1554]: 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 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_21_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) [L1554] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory was 59.9MB in the beginning and 59.7MB in the end (delta: 147.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1638.66ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 61.1MB in the beginning and 63.9MB in the end (delta: -2.8MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.84ms. Allocated memory is still 111.1MB. Free memory was 63.9MB in the beginning and 60.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.20ms. Allocated memory is still 111.1MB. Free memory was 60.7MB in the beginning and 58.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 501.75ms. Allocated memory is still 111.1MB. Free memory was 58.6MB in the beginning and 71.8MB in the end (delta: -13.1MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * CodeCheck took 556.04ms. Allocated memory is still 111.1MB. Free memory was 71.8MB in the beginning and 56.3MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.32ms. Allocated memory is still 111.1MB. Free memory was 56.3MB in the beginning and 55.6MB in the end (delta: 651.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:49:46,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96bd5f6-21ac-48dd-b325-8dd71f1cd27d/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