./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_52_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL --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 932e07ca16409dffdb32c6740e0e8391e8d2d3ae2d2f1f5d305942a06898006e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:59:35,550 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:59:35,687 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 02:59:35,695 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:59:35,697 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:59:35,741 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:59:35,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:59:35,743 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:59:35,744 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:59:35,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:59:35,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:59:35,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:59:35,752 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:59:35,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:59:35,754 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:59:35,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:59:35,755 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:59:35,756 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:59:35,756 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:59:35,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:59:35,758 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:59:35,771 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:59:35,771 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:59:35,772 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:59:35,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:59:35,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:59:35,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:59:35,774 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:59:35,775 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:59:35,775 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:59:35,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:59:35,777 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:59:35,778 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_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 932e07ca16409dffdb32c6740e0e8391e8d2d3ae2d2f1f5d305942a06898006e [2023-11-19 02:59:36,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:59:36,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:59:36,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:59:36,144 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:59:36,145 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:59:36,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_52_bad.i [2023-11-19 02:59:39,724 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:59:40,221 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:59:40,225 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_52_bad.i [2023-11-19 02:59:40,268 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/data/bd978b7b6/8aca77f2820147a48e07956bb4f38d9d/FLAG8e447e4e3 [2023-11-19 02:59:40,297 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/data/bd978b7b6/8aca77f2820147a48e07956bb4f38d9d [2023-11-19 02:59:40,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:59:40,301 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:59:40,303 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:59:40,303 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:59:40,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:59:40,310 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:40" (1/1) ... [2023-11-19 02:59:40,312 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@476f979b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:40, skipping insertion in model container [2023-11-19 02:59:40,312 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:40" (1/1) ... [2023-11-19 02:59:40,391 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:59:40,855 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:59:41,496 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:59:41,508 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:59:41,536 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:59:41,619 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:59:41,817 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:59:41,817 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:59:41,818 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:59:41,818 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:59:41,818 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:59:41,827 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:59:41,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:41 WrapperNode [2023-11-19 02:59:41,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:59:41,829 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:59:41,829 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:59:41,829 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:59:41,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:41" (1/1) ... [2023-11-19 02:59:41,876 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:41" (1/1) ... [2023-11-19 02:59:41,922 INFO L138 Inliner]: procedures = 501, calls = 58, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 90 [2023-11-19 02:59:41,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:59:41,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:59:41,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:59:41,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:59:41,940 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:41" (1/1) ... [2023-11-19 02:59:41,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:41" (1/1) ... [2023-11-19 02:59:41,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:41" (1/1) ... [2023-11-19 02:59:41,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:41" (1/1) ... [2023-11-19 02:59:41,958 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:41" (1/1) ... [2023-11-19 02:59:41,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:41" (1/1) ... [2023-11-19 02:59:41,971 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:41" (1/1) ... [2023-11-19 02:59:41,984 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:41" (1/1) ... [2023-11-19 02:59:41,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:59:41,990 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:59:41,990 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:59:41,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:59:41,992 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:41" (1/1) ... [2023-11-19 02:59:42,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:59:42,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:59:42,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:59:42,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:59:42,095 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:59:42,096 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:59:42,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:59:42,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:59:42,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:59:42,097 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:59:42,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:59:42,354 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:59:42,357 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:59:42,577 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:59:42,874 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:59:42,874 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:59:42,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:42 BoogieIcfgContainer [2023-11-19 02:59:42,879 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:59:42,881 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:59:42,881 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:59:42,893 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:59:42,895 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:42" (1/1) ... [2023-11-19 02:59:42,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:59:42,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:42,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 02:59:42,964 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 02:59:42,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:59:42,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:42,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:59:43,276 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:59:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:59:43,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:59:43,562 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:59:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:59:43,614 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:59:43,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:59:43 ImpRootNode [2023-11-19 02:59:43,650 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:59:43,654 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:59:43,654 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:59:43,655 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:59:43,656 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:42" (3/4) ... [2023-11-19 02:59:43,660 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:59:43,661 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:59:43,662 INFO L158 Benchmark]: Toolchain (without parser) took 3360.40ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 121.1MB in the beginning and 162.2MB in the end (delta: -41.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:59:43,663 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory was 135.1MB in the beginning and 135.0MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:59:43,664 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1525.15ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 121.1MB in the beginning and 163.3MB in the end (delta: -42.1MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. [2023-11-19 02:59:43,666 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.12ms. Allocated memory is still 205.5MB. Free memory was 163.3MB in the beginning and 160.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:59:43,666 INFO L158 Benchmark]: Boogie Preprocessor took 65.57ms. Allocated memory is still 205.5MB. Free memory was 160.1MB in the beginning and 159.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:59:43,668 INFO L158 Benchmark]: RCFGBuilder took 889.48ms. Allocated memory is still 205.5MB. Free memory was 159.1MB in the beginning and 121.3MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-19 02:59:43,668 INFO L158 Benchmark]: CodeCheck took 769.35ms. Allocated memory is still 205.5MB. Free memory was 121.3MB in the beginning and 163.2MB in the end (delta: -41.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:59:43,669 INFO L158 Benchmark]: Witness Printer took 7.54ms. Allocated memory is still 205.5MB. Free memory was 163.2MB in the beginning and 162.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:59:43,674 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1553. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:14}, argv={13:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_sub_52_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_sub_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_sub_52c_badSink(data) [L1572] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory was 135.1MB in the beginning and 135.0MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1525.15ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 121.1MB in the beginning and 163.3MB in the end (delta: -42.1MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.12ms. Allocated memory is still 205.5MB. Free memory was 163.3MB in the beginning and 160.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.57ms. Allocated memory is still 205.5MB. Free memory was 160.1MB in the beginning and 159.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 889.48ms. Allocated memory is still 205.5MB. Free memory was 159.1MB in the beginning and 121.3MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 769.35ms. Allocated memory is still 205.5MB. Free memory was 121.3MB in the beginning and 163.2MB in the end (delta: -41.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.54ms. Allocated memory is still 205.5MB. Free memory was 163.2MB in the beginning and 162.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 02:59:43,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL --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 932e07ca16409dffdb32c6740e0e8391e8d2d3ae2d2f1f5d305942a06898006e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:59:46,633 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:59:46,773 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 02:59:46,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:59:46,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:59:46,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:59:46,850 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:59:46,851 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:59:46,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:59:46,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:59:46,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:59:46,859 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:59:46,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:59:46,862 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:59:46,863 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:59:46,863 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:59:46,864 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:59:46,864 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:59:46,865 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:59:46,865 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:59:46,865 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:59:46,866 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:59:46,867 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:59:46,867 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:59:46,867 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:59:46,868 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:59:46,868 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:59:46,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:59:46,869 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:59:46,870 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:59:46,871 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:59:46,872 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:59:46,872 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:59:46,872 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:59:46,873 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:59:46,873 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:59:46,873 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 932e07ca16409dffdb32c6740e0e8391e8d2d3ae2d2f1f5d305942a06898006e [2023-11-19 02:59:47,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:59:47,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:59:47,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:59:47,455 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:59:47,456 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:59:47,458 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_52_bad.i [2023-11-19 02:59:51,188 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:59:51,655 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:59:51,658 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_52_bad.i [2023-11-19 02:59:51,684 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/data/6e8749cd2/28752153c4834485af7d9fbaea3911d9/FLAGe52471d21 [2023-11-19 02:59:51,708 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/data/6e8749cd2/28752153c4834485af7d9fbaea3911d9 [2023-11-19 02:59:51,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:59:51,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:59:51,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:59:51,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:59:51,728 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:59:51,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:51" (1/1) ... [2023-11-19 02:59:51,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@315b62dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:51, skipping insertion in model container [2023-11-19 02:59:51,730 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:51" (1/1) ... [2023-11-19 02:59:51,828 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:59:52,269 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:59:52,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:59:53,012 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:59:53,035 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:59:53,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:59:53,280 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:59:53,281 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:59:53,281 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:59:53,281 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:59:53,282 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:59:53,290 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:59:53,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:53 WrapperNode [2023-11-19 02:59:53,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:59:53,293 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:59:53,293 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:59:53,293 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:59:53,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:53" (1/1) ... [2023-11-19 02:59:53,332 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:53" (1/1) ... [2023-11-19 02:59:53,370 INFO L138 Inliner]: procedures = 506, calls = 58, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 58 [2023-11-19 02:59:53,371 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:59:53,371 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:59:53,372 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:59:53,372 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:59:53,382 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:53" (1/1) ... [2023-11-19 02:59:53,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:53" (1/1) ... [2023-11-19 02:59:53,387 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:53" (1/1) ... [2023-11-19 02:59:53,387 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:53" (1/1) ... [2023-11-19 02:59:53,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:53" (1/1) ... [2023-11-19 02:59:53,401 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:53" (1/1) ... [2023-11-19 02:59:53,405 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:53" (1/1) ... [2023-11-19 02:59:53,407 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:53" (1/1) ... [2023-11-19 02:59:53,413 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:59:53,414 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:59:53,415 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:59:53,415 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:59:53,416 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:53" (1/1) ... [2023-11-19 02:59:53,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:59:53,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:59:53,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:59:53,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:59:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:59:53,504 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:59:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:59:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:59:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:59:53,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:59:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:59:53,743 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:59:53,746 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:59:53,929 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:59:54,027 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:59:54,027 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:59:54,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:54 BoogieIcfgContainer [2023-11-19 02:59:54,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:59:54,033 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:59:54,033 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:59:54,044 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:59:54,044 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:54" (1/1) ... [2023-11-19 02:59:54,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:59:54,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:54,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 02:59:54,130 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 02:59:54,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:59:54,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:54,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:59:54,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:59:54,141 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:59:54,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:59:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:59:54,410 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:59:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:59:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:59:54,621 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:59:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:59:54,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 02:59:54,706 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:59:54,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:59:54 ImpRootNode [2023-11-19 02:59:54,743 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:59:54,743 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:59:54,745 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:59:54,746 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:59:54,746 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:54" (3/4) ... [2023-11-19 02:59:54,747 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 02:59:54,799 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:59:54,799 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:59:54,800 INFO L158 Benchmark]: Toolchain (without parser) took 3082.01ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 52.9MB in the beginning and 74.6MB in the end (delta: -21.7MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2023-11-19 02:59:54,801 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 79.7MB. Free memory was 55.6MB in the beginning and 55.4MB in the end (delta: 156.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:59:54,802 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1569.64ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 52.6MB in the beginning and 54.1MB in the end (delta: -1.5MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2023-11-19 02:59:54,803 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.23ms. Allocated memory is still 109.1MB. Free memory was 54.1MB in the beginning and 81.7MB in the end (delta: -27.5MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-11-19 02:59:54,803 INFO L158 Benchmark]: Boogie Preprocessor took 41.99ms. Allocated memory is still 109.1MB. Free memory was 81.7MB in the beginning and 79.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:59:54,804 INFO L158 Benchmark]: RCFGBuilder took 617.99ms. Allocated memory is still 109.1MB. Free memory was 79.6MB in the beginning and 60.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 02:59:54,805 INFO L158 Benchmark]: CodeCheck took 709.71ms. Allocated memory is still 109.1MB. Free memory was 60.7MB in the beginning and 76.7MB in the end (delta: -16.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:59:54,805 INFO L158 Benchmark]: Witness Printer took 55.97ms. Allocated memory is still 109.1MB. Free memory was 76.0MB in the beginning and 74.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:59:54,809 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1572]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_sub_52_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_sub_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_sub_52c_badSink(data) [L1572] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, 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 0.72ms. Allocated memory is still 79.7MB. Free memory was 55.6MB in the beginning and 55.4MB in the end (delta: 156.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1569.64ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 52.6MB in the beginning and 54.1MB in the end (delta: -1.5MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.23ms. Allocated memory is still 109.1MB. Free memory was 54.1MB in the beginning and 81.7MB in the end (delta: -27.5MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.99ms. Allocated memory is still 109.1MB. Free memory was 81.7MB in the beginning and 79.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 617.99ms. Allocated memory is still 109.1MB. Free memory was 79.6MB in the beginning and 60.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 709.71ms. Allocated memory is still 109.1MB. Free memory was 60.7MB in the beginning and 76.7MB in the end (delta: -16.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 55.97ms. Allocated memory is still 109.1MB. Free memory was 76.0MB in the beginning and 74.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 02:59:54,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecfd6ad-47c9-4556-90f4-45c336323316/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)