./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_07_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_90789dc1-d190-4d3b-a5b4-b9d6dda45715/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/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_90789dc1-d190-4d3b-a5b4-b9d6dda45715/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/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_90789dc1-d190-4d3b-a5b4-b9d6dda45715/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 52b77f128d006585c4f7a83155b01083f05485a71c2322329b60fddad22988bd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:30:35,739 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:30:35,868 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 19:30:35,877 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:30:35,878 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:30:35,921 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:30:35,923 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:30:35,924 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:30:35,925 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:30:35,927 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:30:35,928 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:30:35,929 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:30:35,929 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:30:35,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:30:35,933 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:30:35,933 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:30:35,934 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:30:35,934 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:30:35,935 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:30:35,935 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:30:35,935 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:30:35,940 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:30:35,941 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:30:35,941 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:30:35,942 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:30:35,942 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:30:35,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:30:35,943 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:30:35,944 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:30:35,944 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:30:35,944 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:30:35,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:30:35,945 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_90789dc1-d190-4d3b-a5b4-b9d6dda45715/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52b77f128d006585c4f7a83155b01083f05485a71c2322329b60fddad22988bd [2024-11-08 19:30:36,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:30:36,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:30:36,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:30:36,369 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:30:36,371 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:30:36,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_07_bad.i Unable to find full path for "g++" [2024-11-08 19:30:38,594 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:30:39,049 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:30:39,051 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_07_bad.i [2024-11-08 19:30:39,087 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/bin/ukojak-verify-ImItNfHLgk/data/a4632a2ee/7b478f7ae2e74e748cebcb5a64198a81/FLAGff9221f5a [2024-11-08 19:30:39,110 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/bin/ukojak-verify-ImItNfHLgk/data/a4632a2ee/7b478f7ae2e74e748cebcb5a64198a81 [2024-11-08 19:30:39,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:30:39,117 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:30:39,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:30:39,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:30:39,128 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:30:39,129 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:30:39" (1/1) ... [2024-11-08 19:30:39,130 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3088fb03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:39, skipping insertion in model container [2024-11-08 19:30:39,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:30:39" (1/1) ... [2024-11-08 19:30:39,230 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:30:40,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:30:40,548 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:30:40,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:30:40,903 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:30:40,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:40 WrapperNode [2024-11-08 19:30:40,903 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:30:40,904 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:30:40,904 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:30:40,905 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:30:40,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:40" (1/1) ... [2024-11-08 19:30:40,942 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:40" (1/1) ... [2024-11-08 19:30:40,972 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 102 [2024-11-08 19:30:40,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:30:40,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:30:40,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:30:40,974 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:30:40,984 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:40" (1/1) ... [2024-11-08 19:30:40,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:40" (1/1) ... [2024-11-08 19:30:40,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:40" (1/1) ... [2024-11-08 19:30:40,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:40" (1/1) ... [2024-11-08 19:30:40,996 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:40" (1/1) ... [2024-11-08 19:30:40,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:40" (1/1) ... [2024-11-08 19:30:41,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:40" (1/1) ... [2024-11-08 19:30:41,002 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:40" (1/1) ... [2024-11-08 19:30:41,004 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:30:41,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:30:41,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:30:41,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:30:41,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:40" (1/1) ... [2024-11-08 19:30:41,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:30:41,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:30:41,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:30:41,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:30:41,096 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:30:41,097 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:30:41,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:30:41,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:30:41,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:30:41,307 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:30:41,310 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:30:41,597 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-08 19:30:41,597 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:30:41,897 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:30:41,897 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:30:41,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:30:41 BoogieIcfgContainer [2024-11-08 19:30:41,898 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:30:41,898 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:30:41,899 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:30:41,909 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:30:41,909 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:30:41" (1/1) ... [2024-11-08 19:30:41,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:30:41,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:30:41,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 19:30:41,966 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 19:30:41,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:30:41,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:30:41,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:30:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:30:42,262 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:30:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:30:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:30:42,478 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:30:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:30:42,538 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:30:42,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:30:42 ImpRootNode [2024-11-08 19:30:42,575 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:30:42,576 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:30:42,577 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:30:42,578 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:30:42,578 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:30:41" (3/4) ... [2024-11-08 19:30:42,582 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:30:42,583 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:30:42,585 INFO L158 Benchmark]: Toolchain (without parser) took 3468.06ms. Allocated memory is still 157.3MB. Free memory was 115.0MB in the beginning and 67.6MB in the end (delta: 47.4MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2024-11-08 19:30:42,586 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 91.8MB in the end (delta: 22.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:30:42,587 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1782.66ms. Allocated memory is still 157.3MB. Free memory was 115.0MB in the beginning and 101.3MB in the end (delta: 13.7MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2024-11-08 19:30:42,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.78ms. Allocated memory is still 157.3MB. Free memory was 101.3MB in the beginning and 98.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:30:42,591 INFO L158 Benchmark]: Boogie Preprocessor took 30.99ms. Allocated memory is still 157.3MB. Free memory was 98.4MB in the beginning and 97.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:30:42,591 INFO L158 Benchmark]: RCFGBuilder took 892.62ms. Allocated memory is still 157.3MB. Free memory was 97.1MB in the beginning and 111.6MB in the end (delta: -14.5MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2024-11-08 19:30:42,592 INFO L158 Benchmark]: CodeCheck took 676.58ms. Allocated memory is still 157.3MB. Free memory was 111.6MB in the beginning and 68.6MB in the end (delta: 43.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-08 19:30:42,593 INFO L158 Benchmark]: Witness Printer took 8.67ms. Allocated memory is still 157.3MB. Free memory was 68.6MB in the beginning and 67.6MB in the end (delta: 968.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:30:42,600 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: 0.6s, 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, 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: 1560]: 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 1569, overapproximation of bitwiseOr at line 1555. 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 staticFive = 5; [L1569] 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, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1569] 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, staticFive=5] [L1570] CALL CWE191_Integer_Underflow__int_rand_predec_07_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE staticFive==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE staticFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1560] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 91.8MB in the end (delta: 22.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1782.66ms. Allocated memory is still 157.3MB. Free memory was 115.0MB in the beginning and 101.3MB in the end (delta: 13.7MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.78ms. Allocated memory is still 157.3MB. Free memory was 101.3MB in the beginning and 98.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.99ms. Allocated memory is still 157.3MB. Free memory was 98.4MB in the beginning and 97.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 892.62ms. Allocated memory is still 157.3MB. Free memory was 97.1MB in the beginning and 111.6MB in the end (delta: -14.5MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. * CodeCheck took 676.58ms. Allocated memory is still 157.3MB. Free memory was 111.6MB in the beginning and 68.6MB in the end (delta: 43.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 8.67ms. Allocated memory is still 157.3MB. Free memory was 68.6MB in the beginning and 67.6MB in the end (delta: 968.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:30:42,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/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_90789dc1-d190-4d3b-a5b4-b9d6dda45715/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/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_90789dc1-d190-4d3b-a5b4-b9d6dda45715/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/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_90789dc1-d190-4d3b-a5b4-b9d6dda45715/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 52b77f128d006585c4f7a83155b01083f05485a71c2322329b60fddad22988bd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:30:45,081 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:30:45,184 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 19:30:45,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:30:45,232 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:30:45,233 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:30:45,234 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:30:45,235 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:30:45,236 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:30:45,237 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:30:45,238 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:30:45,238 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:30:45,238 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:30:45,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:30:45,241 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:30:45,241 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:30:45,242 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:30:45,242 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:30:45,242 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:30:45,243 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:30:45,243 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:30:45,247 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:30:45,248 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:30:45,248 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:30:45,248 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:30:45,248 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:30:45,249 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:30:45,249 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:30:45,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:30:45,250 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:30:45,251 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:30:45,251 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:30:45,252 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:30:45,253 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:30:45,253 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:30:45,253 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_90789dc1-d190-4d3b-a5b4-b9d6dda45715/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52b77f128d006585c4f7a83155b01083f05485a71c2322329b60fddad22988bd [2024-11-08 19:30:45,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:30:45,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:30:45,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:30:45,711 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:30:45,711 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:30:45,714 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_07_bad.i Unable to find full path for "g++" [2024-11-08 19:30:47,901 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:30:48,292 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:30:48,293 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_07_bad.i [2024-11-08 19:30:48,315 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/bin/ukojak-verify-ImItNfHLgk/data/0b92bb81d/ba2320526d884fb896559641b25806ad/FLAG6be98c958 [2024-11-08 19:30:48,481 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/bin/ukojak-verify-ImItNfHLgk/data/0b92bb81d/ba2320526d884fb896559641b25806ad [2024-11-08 19:30:48,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:30:48,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:30:48,486 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:30:48,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:30:48,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:30:48,490 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:30:48" (1/1) ... [2024-11-08 19:30:48,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@765ac575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:48, skipping insertion in model container [2024-11-08 19:30:48,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:30:48" (1/1) ... [2024-11-08 19:30:48,551 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:30:49,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:30:49,606 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:30:49,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:30:49,959 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:30:49,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:49 WrapperNode [2024-11-08 19:30:49,961 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:30:49,962 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:30:49,962 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:30:49,962 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:30:49,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:49" (1/1) ... [2024-11-08 19:30:50,010 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:49" (1/1) ... [2024-11-08 19:30:50,046 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-11-08 19:30:50,047 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:30:50,049 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:30:50,049 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:30:50,049 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:30:50,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:49" (1/1) ... [2024-11-08 19:30:50,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:49" (1/1) ... [2024-11-08 19:30:50,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:49" (1/1) ... [2024-11-08 19:30:50,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:49" (1/1) ... [2024-11-08 19:30:50,078 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:49" (1/1) ... [2024-11-08 19:30:50,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:49" (1/1) ... [2024-11-08 19:30:50,089 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:49" (1/1) ... [2024-11-08 19:30:50,094 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:49" (1/1) ... [2024-11-08 19:30:50,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:30:50,099 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:30:50,099 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:30:50,099 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:30:50,100 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:49" (1/1) ... [2024-11-08 19:30:50,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:30:50,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:30:50,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:30:50,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:30:50,165 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:30:50,165 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:30:50,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:30:50,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:30:50,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:30:50,383 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:30:50,387 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:30:50,563 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-08 19:30:50,563 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:30:50,664 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:30:50,664 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:30:50,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:30:50 BoogieIcfgContainer [2024-11-08 19:30:50,665 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:30:50,666 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:30:50,666 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:30:50,677 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:30:50,677 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:30:50" (1/1) ... [2024-11-08 19:30:50,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:30:50,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:30:50,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 19:30:50,754 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 19:30:50,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:30:50,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:30:50,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:30:50,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:30:50,762 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:30:50,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:30:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:30:50,940 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:30:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:30:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:30:51,093 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:30:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:30:51,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 19:30:51,152 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:30:51,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:30:51 ImpRootNode [2024-11-08 19:30:51,187 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:30:51,189 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:30:51,189 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:30:51,189 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:30:51,190 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:30:50" (3/4) ... [2024-11-08 19:30:51,192 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:30:51,194 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:30:51,195 INFO L158 Benchmark]: Toolchain (without parser) took 2710.03ms. Allocated memory was 65.0MB in the beginning and 107.0MB in the end (delta: 41.9MB). Free memory was 38.1MB in the beginning and 46.8MB in the end (delta: -8.7MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2024-11-08 19:30:51,195 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 65.0MB. Free memory was 41.2MB in the beginning and 41.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:30:51,196 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1475.57ms. Allocated memory was 65.0MB in the beginning and 107.0MB in the end (delta: 41.9MB). Free memory was 37.9MB in the beginning and 46.1MB in the end (delta: -8.1MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2024-11-08 19:30:51,197 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.62ms. Allocated memory is still 107.0MB. Free memory was 46.1MB in the beginning and 42.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:30:51,199 INFO L158 Benchmark]: Boogie Preprocessor took 49.09ms. Allocated memory is still 107.0MB. Free memory was 42.6MB in the beginning and 41.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:30:51,199 INFO L158 Benchmark]: RCFGBuilder took 566.81ms. Allocated memory is still 107.0MB. Free memory was 41.2MB in the beginning and 62.8MB in the end (delta: -21.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 19:30:51,200 INFO L158 Benchmark]: CodeCheck took 520.93ms. Allocated memory is still 107.0MB. Free memory was 62.8MB in the beginning and 47.5MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:30:51,201 INFO L158 Benchmark]: Witness Printer took 5.27ms. Allocated memory is still 107.0MB. Free memory was 47.5MB in the beginning and 46.8MB in the end (delta: 734.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:30:51,207 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: 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 1569. 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 staticFive = 5; [L1569] 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, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1569] 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, staticFive=5] [L1570] CALL CWE191_Integer_Underflow__int_rand_predec_07_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE staticFive==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE staticFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1560] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 65.0MB. Free memory was 41.2MB in the beginning and 41.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1475.57ms. Allocated memory was 65.0MB in the beginning and 107.0MB in the end (delta: 41.9MB). Free memory was 37.9MB in the beginning and 46.1MB in the end (delta: -8.1MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.62ms. Allocated memory is still 107.0MB. Free memory was 46.1MB in the beginning and 42.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.09ms. Allocated memory is still 107.0MB. Free memory was 42.6MB in the beginning and 41.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 566.81ms. Allocated memory is still 107.0MB. Free memory was 41.2MB in the beginning and 62.8MB in the end (delta: -21.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 520.93ms. Allocated memory is still 107.0MB. Free memory was 62.8MB in the beginning and 47.5MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.27ms. Allocated memory is still 107.0MB. Free memory was 47.5MB in the beginning and 46.8MB in the end (delta: 734.5kB). 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 19:30:51,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90789dc1-d190-4d3b-a5b4-b9d6dda45715/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