./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_53_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_0695a750-b685-4c5d-8061-7e5fbb11b0fa/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/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_0695a750-b685-4c5d-8061-7e5fbb11b0fa/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/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_0695a750-b685-4c5d-8061-7e5fbb11b0fa/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 7d60211a7234033b01fc51cb003992ddf0ad9ade350c20038139b7a8c4ba04d0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:41:16,550 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:41:16,749 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:41:16,758 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:41:16,759 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:41:16,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:41:16,805 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:41:16,806 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:41:16,807 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:41:16,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:41:16,815 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:41:16,815 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:41:16,816 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:41:16,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:41:16,818 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:41:16,819 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:41:16,819 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:41:16,820 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:41:16,820 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:41:16,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:41:16,821 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:41:16,822 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:41:16,822 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:41:16,824 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:41:16,825 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:41:16,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:16,827 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:41:16,827 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:41:16,828 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:41:16,828 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:41:16,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:41:16,830 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:41:16,830 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_0695a750-b685-4c5d-8061-7e5fbb11b0fa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d60211a7234033b01fc51cb003992ddf0ad9ade350c20038139b7a8c4ba04d0 [2023-11-19 03:41:17,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:41:17,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:41:17,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:41:17,262 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:41:17,263 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:41:17,264 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_53_bad.i [2023-11-19 03:41:20,415 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:41:20,788 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:41:20,789 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_53_bad.i [2023-11-19 03:41:20,816 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/bin/ukojak-verify-G8NBE6pJGL/data/48ed0e593/8435c14b086b4d26985861500def86f6/FLAGe3f1d0b88 [2023-11-19 03:41:20,834 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/bin/ukojak-verify-G8NBE6pJGL/data/48ed0e593/8435c14b086b4d26985861500def86f6 [2023-11-19 03:41:20,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:41:20,844 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:41:20,848 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:41:20,849 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:41:20,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:41:20,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:20" (1/1) ... [2023-11-19 03:41:20,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d5a4926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:20, skipping insertion in model container [2023-11-19 03:41:20,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:20" (1/1) ... [2023-11-19 03:41:20,944 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:41:21,378 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:41:21,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:41:21,942 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:41:21,960 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:41:22,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:41:22,135 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:22,135 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:22,136 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:22,136 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:22,136 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:22,144 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:41:22,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:22 WrapperNode [2023-11-19 03:41:22,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:41:22,146 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:41:22,146 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:41:22,147 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:41:22,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:22" (1/1) ... [2023-11-19 03:41:22,181 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:22" (1/1) ... [2023-11-19 03:41:22,214 INFO L138 Inliner]: procedures = 502, calls = 59, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 95 [2023-11-19 03:41:22,215 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:41:22,215 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:41:22,216 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:41:22,216 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:41:22,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:22" (1/1) ... [2023-11-19 03:41:22,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:22" (1/1) ... [2023-11-19 03:41:22,232 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:22" (1/1) ... [2023-11-19 03:41:22,233 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:22" (1/1) ... [2023-11-19 03:41:22,241 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:22" (1/1) ... [2023-11-19 03:41:22,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:22" (1/1) ... [2023-11-19 03:41:22,246 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:22" (1/1) ... [2023-11-19 03:41:22,249 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:22" (1/1) ... [2023-11-19 03:41:22,253 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:41:22,254 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:41:22,255 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:41:22,255 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:41:22,256 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:22" (1/1) ... [2023-11-19 03:41:22,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:22,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:41:22,297 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:41:22,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:41:22,387 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:41:22,388 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:41:22,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:41:22,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:41:22,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:41:22,390 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:41:22,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:41:22,600 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:41:22,603 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:41:23,011 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:41:23,356 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:41:23,356 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:41:23,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:23 BoogieIcfgContainer [2023-11-19 03:41:23,362 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:41:23,363 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:41:23,363 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:41:23,377 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:41:23,377 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:23" (1/1) ... [2023-11-19 03:41:23,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:41:23,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:23,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 03:41:23,459 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 03:41:23,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:41:23,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:23,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:41:23,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:41:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:41:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:41:24,027 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:41:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:41:24,089 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:41:24,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:41:24 ImpRootNode [2023-11-19 03:41:24,133 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:41:24,137 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:41:24,138 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:41:24,139 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:41:24,139 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:23" (3/4) ... [2023-11-19 03:41:24,144 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:41:24,145 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:41:24,147 INFO L158 Benchmark]: Toolchain (without parser) took 3302.14ms. Allocated memory is still 192.9MB. Free memory was 150.4MB in the beginning and 94.7MB in the end (delta: 55.7MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2023-11-19 03:41:24,148 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 115.3MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:41:24,149 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1297.49ms. Allocated memory is still 192.9MB. Free memory was 150.1MB in the beginning and 108.4MB in the end (delta: 41.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-19 03:41:24,150 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.55ms. Allocated memory is still 192.9MB. Free memory was 108.4MB in the beginning and 105.2MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:41:24,151 INFO L158 Benchmark]: Boogie Preprocessor took 38.10ms. Allocated memory is still 192.9MB. Free memory was 105.2MB in the beginning and 103.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:41:24,152 INFO L158 Benchmark]: RCFGBuilder took 1107.96ms. Allocated memory is still 192.9MB. Free memory was 103.4MB in the beginning and 135.6MB in the end (delta: -32.1MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2023-11-19 03:41:24,154 INFO L158 Benchmark]: CodeCheck took 770.05ms. Allocated memory is still 192.9MB. Free memory was 135.6MB in the beginning and 95.7MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-19 03:41:24,155 INFO L158 Benchmark]: Witness Printer took 8.16ms. Allocated memory is still 192.9MB. Free memory was 95.7MB in the beginning and 94.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:41:24,167 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1577]: 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_predec_53_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_predec_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_predec_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_predec_53d_badSink(data) [L1577] --data 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 0.32ms. Allocated memory is still 115.3MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1297.49ms. Allocated memory is still 192.9MB. Free memory was 150.1MB in the beginning and 108.4MB in the end (delta: 41.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.55ms. Allocated memory is still 192.9MB. Free memory was 108.4MB in the beginning and 105.2MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.10ms. Allocated memory is still 192.9MB. Free memory was 105.2MB in the beginning and 103.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1107.96ms. Allocated memory is still 192.9MB. Free memory was 103.4MB in the beginning and 135.6MB in the end (delta: -32.1MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * CodeCheck took 770.05ms. Allocated memory is still 192.9MB. Free memory was 135.6MB in the beginning and 95.7MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 8.16ms. Allocated memory is still 192.9MB. Free memory was 95.7MB in the beginning and 94.7MB in the end (delta: 1.1MB). 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 03:41:24,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/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_0695a750-b685-4c5d-8061-7e5fbb11b0fa/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/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_0695a750-b685-4c5d-8061-7e5fbb11b0fa/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/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_0695a750-b685-4c5d-8061-7e5fbb11b0fa/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 7d60211a7234033b01fc51cb003992ddf0ad9ade350c20038139b7a8c4ba04d0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:41:27,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:41:27,088 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 03:41:27,121 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:41:27,122 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:41:27,122 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:41:27,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:41:27,124 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:41:27,124 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:41:27,125 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:41:27,126 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:41:27,126 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:41:27,127 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:41:27,127 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:41:27,128 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:41:27,129 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:41:27,129 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:41:27,130 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:41:27,130 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:41:27,131 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:41:27,132 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:41:27,133 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:41:27,133 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:41:27,134 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:41:27,134 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:41:27,134 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:41:27,138 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:41:27,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:27,139 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:41:27,139 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:41:27,140 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:41:27,140 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:41:27,140 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:41:27,142 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:41:27,142 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:41:27,143 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:41:27,143 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_0695a750-b685-4c5d-8061-7e5fbb11b0fa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d60211a7234033b01fc51cb003992ddf0ad9ade350c20038139b7a8c4ba04d0 [2023-11-19 03:41:27,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:41:27,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:41:27,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:41:27,622 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:41:27,623 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:41:27,625 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_53_bad.i [2023-11-19 03:41:31,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:41:31,674 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:41:31,675 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_53_bad.i [2023-11-19 03:41:31,702 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/bin/ukojak-verify-G8NBE6pJGL/data/5377eda04/733a54de72a2455b9b8474e6ab74b0a5/FLAG77b54c26b [2023-11-19 03:41:31,718 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/bin/ukojak-verify-G8NBE6pJGL/data/5377eda04/733a54de72a2455b9b8474e6ab74b0a5 [2023-11-19 03:41:31,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:41:31,723 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:41:31,724 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:41:31,724 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:41:31,730 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:41:31,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:31" (1/1) ... [2023-11-19 03:41:31,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e83f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:31, skipping insertion in model container [2023-11-19 03:41:31,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:31" (1/1) ... [2023-11-19 03:41:31,818 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:41:32,250 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:41:32,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:41:32,790 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:41:32,818 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:41:32,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:41:33,038 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:33,038 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:33,039 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:33,039 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:33,039 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:33,046 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:41:33,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:33 WrapperNode [2023-11-19 03:41:33,046 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:41:33,047 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:41:33,047 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:41:33,047 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:41:33,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:33" (1/1) ... [2023-11-19 03:41:33,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:33" (1/1) ... [2023-11-19 03:41:33,136 INFO L138 Inliner]: procedures = 507, calls = 59, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 63 [2023-11-19 03:41:33,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:41:33,138 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:41:33,138 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:41:33,138 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:41:33,148 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:33" (1/1) ... [2023-11-19 03:41:33,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:33" (1/1) ... [2023-11-19 03:41:33,153 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:33" (1/1) ... [2023-11-19 03:41:33,154 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:33" (1/1) ... [2023-11-19 03:41:33,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:33" (1/1) ... [2023-11-19 03:41:33,167 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:33" (1/1) ... [2023-11-19 03:41:33,171 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:33" (1/1) ... [2023-11-19 03:41:33,173 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:33" (1/1) ... [2023-11-19 03:41:33,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:41:33,179 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:41:33,180 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:41:33,180 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:41:33,181 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:33" (1/1) ... [2023-11-19 03:41:33,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:33,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:41:33,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:41:33,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:41:33,299 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:41:33,300 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:41:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:41:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:41:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:41:33,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:41:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:41:33,475 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:41:33,478 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:41:33,733 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:41:33,854 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:41:33,854 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:41:33,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:33 BoogieIcfgContainer [2023-11-19 03:41:33,862 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:41:33,864 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:41:33,864 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:41:33,876 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:41:33,877 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:33" (1/1) ... [2023-11-19 03:41:33,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:41:33,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:34,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 03:41:34,002 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 03:41:34,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:41:34,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:34,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:41:34,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:41:34,014 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:41:34,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:41:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:41:34,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:41:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:41:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:41:34,473 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:41:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:41:34,521 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:41:34,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 03:41:34,528 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:41:34,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:41:34 ImpRootNode [2023-11-19 03:41:34,574 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:41:34,577 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:41:34,577 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:41:34,578 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:41:34,579 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:33" (3/4) ... [2023-11-19 03:41:34,580 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:41:34,667 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:41:34,673 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:41:34,674 INFO L158 Benchmark]: Toolchain (without parser) took 2951.55ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 46.4MB in the beginning and 56.5MB in the end (delta: -10.1MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-11-19 03:41:34,675 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 73.4MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:41:34,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1322.41ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 46.3MB in the beginning and 44.7MB in the end (delta: 1.6MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2023-11-19 03:41:34,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.87ms. Allocated memory is still 96.5MB. Free memory was 44.7MB in the beginning and 67.4MB in the end (delta: -22.7MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2023-11-19 03:41:34,677 INFO L158 Benchmark]: Boogie Preprocessor took 40.99ms. Allocated memory is still 96.5MB. Free memory was 67.4MB in the beginning and 65.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:41:34,678 INFO L158 Benchmark]: RCFGBuilder took 683.27ms. Allocated memory is still 96.5MB. Free memory was 65.3MB in the beginning and 46.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:41:34,678 INFO L158 Benchmark]: CodeCheck took 710.24ms. Allocated memory is still 96.5MB. Free memory was 46.4MB in the beginning and 58.5MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:41:34,679 INFO L158 Benchmark]: Witness Printer took 96.46ms. Allocated memory is still 96.5MB. Free memory was 58.5MB in the beginning and 56.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:41:34,687 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: 1577]: 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_predec_53_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_predec_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_predec_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_predec_53d_badSink(data) [L1577] --data 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 0.77ms. Allocated memory is still 73.4MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1322.41ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 46.3MB in the beginning and 44.7MB in the end (delta: 1.6MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.87ms. Allocated memory is still 96.5MB. Free memory was 44.7MB in the beginning and 67.4MB in the end (delta: -22.7MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.99ms. Allocated memory is still 96.5MB. Free memory was 67.4MB in the beginning and 65.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 683.27ms. Allocated memory is still 96.5MB. Free memory was 65.3MB in the beginning and 46.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 710.24ms. Allocated memory is still 96.5MB. Free memory was 46.4MB in the beginning and 58.5MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 96.46ms. Allocated memory is still 96.5MB. Free memory was 58.5MB in the beginning and 56.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 03:41:34,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0695a750-b685-4c5d-8061-7e5fbb11b0fa/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)