./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_66_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_000b8d34-5153-48c2-8927-0f63a3536db4/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/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_000b8d34-5153-48c2-8927-0f63a3536db4/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/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_000b8d34-5153-48c2-8927-0f63a3536db4/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 b6e78b274adae6b60e7b2d127916c1e956fd51f0cd97ec7bcaf0becff5a9e7b0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:02:46,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:02:46,511 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 04:02:46,516 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:02:46,517 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:02:46,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:02:46,541 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:02:46,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:02:46,543 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:02:46,543 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:02:46,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:02:46,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:02:46,545 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:02:46,545 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:02:46,546 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:02:46,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:02:46,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:02:46,548 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:02:46,548 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:02:46,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:02:46,549 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:02:46,550 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:02:46,550 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:02:46,551 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:02:46,552 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:02:46,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:46,553 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:02:46,553 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:02:46,554 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:02:46,554 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:02:46,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:02:46,555 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:02:46,555 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_000b8d34-5153-48c2-8927-0f63a3536db4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6e78b274adae6b60e7b2d127916c1e956fd51f0cd97ec7bcaf0becff5a9e7b0 [2023-11-19 04:02:46,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:02:46,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:02:46,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:02:46,828 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:02:46,829 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:02:46,831 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_66_bad.i [2023-11-19 04:02:49,885 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:02:50,377 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:02:50,379 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_66_bad.i [2023-11-19 04:02:50,411 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/bin/ukojak-verify-G8NBE6pJGL/data/7175a705f/1701ec55d1eb4a03aaea7ba0bd70f42b/FLAG28b0982dd [2023-11-19 04:02:50,428 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/bin/ukojak-verify-G8NBE6pJGL/data/7175a705f/1701ec55d1eb4a03aaea7ba0bd70f42b [2023-11-19 04:02:50,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:02:50,439 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:02:50,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:50,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:02:50,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:02:50,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:50" (1/1) ... [2023-11-19 04:02:50,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@619015f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:50, skipping insertion in model container [2023-11-19 04:02:50,453 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:50" (1/1) ... [2023-11-19 04:02:50,547 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:02:51,021 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:02:51,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:51,679 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:02:51,730 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:02:51,854 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:52,045 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:52,046 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:52,046 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:52,046 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:52,046 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:52,054 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:02:52,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:52 WrapperNode [2023-11-19 04:02:52,055 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:52,057 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:52,057 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:02:52,057 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:02:52,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:52" (1/1) ... [2023-11-19 04:02:52,131 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:52" (1/1) ... [2023-11-19 04:02:52,176 INFO L138 Inliner]: procedures = 500, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 96 [2023-11-19 04:02:52,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:52,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:02:52,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:02:52,180 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:02:52,190 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:52" (1/1) ... [2023-11-19 04:02:52,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:52" (1/1) ... [2023-11-19 04:02:52,202 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:52" (1/1) ... [2023-11-19 04:02:52,203 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:52" (1/1) ... [2023-11-19 04:02:52,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:52" (1/1) ... [2023-11-19 04:02:52,214 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:52" (1/1) ... [2023-11-19 04:02:52,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:52" (1/1) ... [2023-11-19 04:02:52,222 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:52" (1/1) ... [2023-11-19 04:02:52,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:02:52,226 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:02:52,227 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:02:52,227 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:02:52,228 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:52" (1/1) ... [2023-11-19 04:02:52,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:52,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:02:52,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:02:52,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:02:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 04:02:52,311 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 04:02:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:02:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:02:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:02:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:02:52,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:02:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:02:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 04:02:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:02:52,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:02:52,463 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:02:52,465 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:02:52,680 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:02:53,004 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:02:53,004 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:02:53,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:53 BoogieIcfgContainer [2023-11-19 04:02:53,011 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:02:53,012 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:02:53,012 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:02:53,023 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:02:53,023 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:53" (1/1) ... [2023-11-19 04:02:53,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:02:53,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:53,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-19 04:02:53,112 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-19 04:02:53,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:02:53,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:53,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:02:53,552 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:02:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:02:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:02:53,974 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:02:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:02:54,041 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 04:02:54,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:02:54 ImpRootNode [2023-11-19 04:02:54,092 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:02:54,094 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:02:54,094 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:02:54,094 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:02:54,095 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:53" (3/4) ... [2023-11-19 04:02:54,098 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:02:54,099 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:02:54,101 INFO L158 Benchmark]: Toolchain (without parser) took 3661.70ms. Allocated memory is still 169.9MB. Free memory was 136.5MB in the beginning and 102.2MB in the end (delta: 34.3MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2023-11-19 04:02:54,101 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 125.8MB. Free memory was 86.4MB in the beginning and 86.3MB in the end (delta: 75.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:02:54,102 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1614.42ms. Allocated memory is still 169.9MB. Free memory was 136.3MB in the beginning and 128.9MB in the end (delta: 7.4MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. [2023-11-19 04:02:54,103 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.48ms. Allocated memory is still 169.9MB. Free memory was 128.9MB in the beginning and 126.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:02:54,104 INFO L158 Benchmark]: Boogie Preprocessor took 46.06ms. Allocated memory is still 169.9MB. Free memory was 126.0MB in the beginning and 123.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:02:54,105 INFO L158 Benchmark]: RCFGBuilder took 784.26ms. Allocated memory is still 169.9MB. Free memory was 123.9MB in the beginning and 84.7MB in the end (delta: 39.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-19 04:02:54,106 INFO L158 Benchmark]: CodeCheck took 1079.70ms. Allocated memory is still 169.9MB. Free memory was 84.7MB in the beginning and 103.2MB in the end (delta: -18.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:02:54,107 INFO L158 Benchmark]: Witness Printer took 5.79ms. Allocated memory is still 169.9MB. Free memory was 103.2MB in the beginning and 102.2MB in the end (delta: 976.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:02:54,116 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: 1.0s, 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, 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: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1561] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:16}, argv={12:16}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_multiply_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_rand_multiply_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1569] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataArray={32301:0}, dataArray={32301:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataArray={32301:0}, dataArray={32301:0}, 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 125.8MB. Free memory was 86.4MB in the beginning and 86.3MB in the end (delta: 75.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1614.42ms. Allocated memory is still 169.9MB. Free memory was 136.3MB in the beginning and 128.9MB in the end (delta: 7.4MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.48ms. Allocated memory is still 169.9MB. Free memory was 128.9MB in the beginning and 126.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.06ms. Allocated memory is still 169.9MB. Free memory was 126.0MB in the beginning and 123.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 784.26ms. Allocated memory is still 169.9MB. Free memory was 123.9MB in the beginning and 84.7MB in the end (delta: 39.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 1079.70ms. Allocated memory is still 169.9MB. Free memory was 84.7MB in the beginning and 103.2MB in the end (delta: -18.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.79ms. Allocated memory is still 169.9MB. Free memory was 103.2MB in the beginning and 102.2MB in the end (delta: 976.1kB). 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 [2023-11-19 04:02:54,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/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_000b8d34-5153-48c2-8927-0f63a3536db4/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/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_000b8d34-5153-48c2-8927-0f63a3536db4/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 b6e78b274adae6b60e7b2d127916c1e956fd51f0cd97ec7bcaf0becff5a9e7b0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:02:56,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:02:56,941 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 04:02:56,994 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:02:56,996 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:02:56,997 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:02:56,998 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:02:56,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:02:57,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:02:57,005 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:02:57,005 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:02:57,006 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:02:57,006 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:02:57,008 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:02:57,009 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:02:57,009 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:02:57,010 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:02:57,010 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:02:57,010 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:02:57,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:02:57,012 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:02:57,013 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:02:57,014 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:02:57,014 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:02:57,015 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:02:57,015 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:02:57,015 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:02:57,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:57,016 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:02:57,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:02:57,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:02:57,019 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:02:57,019 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:02:57,019 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:02:57,020 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:02:57,020 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:02:57,020 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_000b8d34-5153-48c2-8927-0f63a3536db4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6e78b274adae6b60e7b2d127916c1e956fd51f0cd97ec7bcaf0becff5a9e7b0 [2023-11-19 04:02:57,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:02:57,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:02:57,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:02:57,449 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:02:57,452 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:02:57,454 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_66_bad.i [2023-11-19 04:03:00,631 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:03:01,141 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:03:01,141 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_66_bad.i [2023-11-19 04:03:01,183 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/bin/ukojak-verify-G8NBE6pJGL/data/cf00a783a/4319fc78dd2147088aace04d42b13184/FLAG0e39d4555 [2023-11-19 04:03:01,203 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/bin/ukojak-verify-G8NBE6pJGL/data/cf00a783a/4319fc78dd2147088aace04d42b13184 [2023-11-19 04:03:01,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:03:01,211 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:03:01,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:01,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:03:01,219 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:03:01,220 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:01" (1/1) ... [2023-11-19 04:03:01,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fc0a85d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:01, skipping insertion in model container [2023-11-19 04:03:01,222 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:01" (1/1) ... [2023-11-19 04:03:01,300 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:03:01,856 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:03:02,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:02,711 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:03:02,742 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:03:02,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:03,012 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:03:03,012 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:03:03,012 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:03:03,012 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:03:03,012 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:03:03,020 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:03:03,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:03 WrapperNode [2023-11-19 04:03:03,021 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:03,022 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:03,022 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:03:03,022 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:03:03,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:03" (1/1) ... [2023-11-19 04:03:03,063 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:03" (1/1) ... [2023-11-19 04:03:03,094 INFO L138 Inliner]: procedures = 505, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2023-11-19 04:03:03,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:03,095 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:03:03,095 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:03:03,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:03:03,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:03" (1/1) ... [2023-11-19 04:03:03,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:03" (1/1) ... [2023-11-19 04:03:03,110 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:03" (1/1) ... [2023-11-19 04:03:03,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:03" (1/1) ... [2023-11-19 04:03:03,132 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:03" (1/1) ... [2023-11-19 04:03:03,135 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:03" (1/1) ... [2023-11-19 04:03:03,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:03" (1/1) ... [2023-11-19 04:03:03,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:03" (1/1) ... [2023-11-19 04:03:03,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:03:03,147 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:03:03,147 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:03:03,147 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:03:03,148 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:03" (1/1) ... [2023-11-19 04:03:03,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:03,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:03:03,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:03:03,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:03:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 04:03:03,220 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 04:03:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:03:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:03:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:03:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:03:03,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:03:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:03:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:03:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:03:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 04:03:03,405 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:03:03,408 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:03:03,650 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:03:03,722 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:03:03,723 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:03:03,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:03 BoogieIcfgContainer [2023-11-19 04:03:03,727 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:03:03,728 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:03:03,728 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:03:03,739 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:03:03,739 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:03" (1/1) ... [2023-11-19 04:03:03,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:03:03,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:03,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-19 04:03:03,832 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-19 04:03:03,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:03:03,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:03,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:03:03,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:03:03,848 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:03:03,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 04:03:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:03:04,149 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:03:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:03:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:03:04,433 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:03:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:03:04,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:03:04,510 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 04:03:04,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:03:04 ImpRootNode [2023-11-19 04:03:04,552 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:03:04,555 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:03:04,555 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:03:04,556 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:03:04,556 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:03" (3/4) ... [2023-11-19 04:03:04,557 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 04:03:04,635 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 04:03:04,635 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:03:04,637 INFO L158 Benchmark]: Toolchain (without parser) took 3425.32ms. Allocated memory is still 94.4MB. Free memory was 66.9MB in the beginning and 39.1MB in the end (delta: 27.7MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2023-11-19 04:03:04,637 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 67.1MB. Free memory is still 43.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:03:04,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1807.83ms. Allocated memory is still 94.4MB. Free memory was 66.9MB in the beginning and 54.6MB in the end (delta: 12.3MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2023-11-19 04:03:04,638 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.02ms. Allocated memory is still 94.4MB. Free memory was 54.1MB in the beginning and 51.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:03:04,639 INFO L158 Benchmark]: Boogie Preprocessor took 50.53ms. Allocated memory is still 94.4MB. Free memory was 51.4MB in the beginning and 49.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:03:04,639 INFO L158 Benchmark]: RCFGBuilder took 580.88ms. Allocated memory is still 94.4MB. Free memory was 48.8MB in the beginning and 59.6MB in the end (delta: -10.8MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-11-19 04:03:04,639 INFO L158 Benchmark]: CodeCheck took 823.44ms. Allocated memory is still 94.4MB. Free memory was 59.0MB in the beginning and 41.2MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 04:03:04,640 INFO L158 Benchmark]: Witness Printer took 80.34ms. Allocated memory is still 94.4MB. Free memory was 41.2MB in the beginning and 39.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:03:04,648 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1571]: 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); [L1561] 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) [L1561] 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] [L1562] CALL CWE191_Integer_Underflow__int_rand_multiply_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_rand_multiply_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1569] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataArray={5:0}, dataArray={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataArray={5:0}, dataArray={5:0}, 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 0.67ms. Allocated memory is still 67.1MB. Free memory is still 43.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1807.83ms. Allocated memory is still 94.4MB. Free memory was 66.9MB in the beginning and 54.6MB in the end (delta: 12.3MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.02ms. Allocated memory is still 94.4MB. Free memory was 54.1MB in the beginning and 51.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.53ms. Allocated memory is still 94.4MB. Free memory was 51.4MB in the beginning and 49.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 580.88ms. Allocated memory is still 94.4MB. Free memory was 48.8MB in the beginning and 59.6MB in the end (delta: -10.8MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * CodeCheck took 823.44ms. Allocated memory is still 94.4MB. Free memory was 59.0MB in the beginning and 41.2MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 80.34ms. Allocated memory is still 94.4MB. Free memory was 41.2MB in the beginning and 39.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 04:03:04,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000b8d34-5153-48c2-8927-0f63a3536db4/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)