./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_03_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_7cce4f34-f294-40bc-a966-d47df6d897da/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/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_7cce4f34-f294-40bc-a966-d47df6d897da/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/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_7cce4f34-f294-40bc-a966-d47df6d897da/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 ddfca8e8d0db87f9b0318b5df84bd222dd238aa408b001add906c2b60d8e43e6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:34:59,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:34:59,164 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:34:59,171 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:34:59,172 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:34:59,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:34:59,214 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:34:59,214 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:34:59,216 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:34:59,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:34:59,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:34:59,223 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:34:59,224 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:34:59,225 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:34:59,226 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:34:59,226 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:34:59,227 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:34:59,227 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:34:59,228 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:34:59,228 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:34:59,229 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:34:59,230 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:34:59,230 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:34:59,232 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:34:59,233 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:34:59,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:59,234 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:34:59,235 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:34:59,235 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:34:59,236 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:34:59,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:34:59,238 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:34:59,238 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_7cce4f34-f294-40bc-a966-d47df6d897da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddfca8e8d0db87f9b0318b5df84bd222dd238aa408b001add906c2b60d8e43e6 [2023-11-19 03:34:59,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:34:59,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:34:59,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:34:59,599 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:34:59,600 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:34:59,601 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_03_bad.i [2023-11-19 03:35:02,705 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:35:03,155 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:35:03,156 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_03_bad.i [2023-11-19 03:35:03,190 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/bin/ukojak-verify-G8NBE6pJGL/data/be91cf198/fff991d7aeb141abbf7d35cf1fa5a9d1/FLAG8ad62567b [2023-11-19 03:35:03,214 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/bin/ukojak-verify-G8NBE6pJGL/data/be91cf198/fff991d7aeb141abbf7d35cf1fa5a9d1 [2023-11-19 03:35:03,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:35:03,223 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:35:03,228 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:35:03,229 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:35:03,234 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:35:03,237 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:35:03" (1/1) ... [2023-11-19 03:35:03,238 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@98829e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:03, skipping insertion in model container [2023-11-19 03:35:03,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:35:03" (1/1) ... [2023-11-19 03:35:03,322 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:35:03,715 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:35:04,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:04,378 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:35:04,416 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:35:04,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:04,675 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:35:04,676 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:35:04,676 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:35:04,676 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:35:04,676 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:35:04,684 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:35:04,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:04 WrapperNode [2023-11-19 03:35:04,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:35:04,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:35:04,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:35:04,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:35:04,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:04" (1/1) ... [2023-11-19 03:35:04,747 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:04" (1/1) ... [2023-11-19 03:35:04,788 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2023-11-19 03:35:04,791 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:35:04,792 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:35:04,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:35:04,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:35:04,804 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:04" (1/1) ... [2023-11-19 03:35:04,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:04" (1/1) ... [2023-11-19 03:35:04,808 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:04" (1/1) ... [2023-11-19 03:35:04,809 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:04" (1/1) ... [2023-11-19 03:35:04,814 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:04" (1/1) ... [2023-11-19 03:35:04,817 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:04" (1/1) ... [2023-11-19 03:35:04,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:04" (1/1) ... [2023-11-19 03:35:04,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:04" (1/1) ... [2023-11-19 03:35:04,827 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:35:04,832 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:35:04,832 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:35:04,832 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:35:04,833 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:04" (1/1) ... [2023-11-19 03:35:04,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:35:04,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:35:04,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:35:04,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:35:04,911 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:35:04,911 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:35:04,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:35:04,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:35:04,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:35:04,912 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:35:04,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:35:05,077 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:35:05,079 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:35:05,326 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:35:05,636 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:35:05,636 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:35:05,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:35:05 BoogieIcfgContainer [2023-11-19 03:35:05,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:35:05,643 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:35:05,643 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:35:05,654 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:35:05,654 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:35:05" (1/1) ... [2023-11-19 03:35:05,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:35:05,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:05,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-19 03:35:05,715 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-19 03:35:05,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:35:05,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:05,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:35:06,161 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:35:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:35:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:35:06,359 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:35:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:35:06,417 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:35:06,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:35:06 ImpRootNode [2023-11-19 03:35:06,450 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:35:06,453 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:35:06,453 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:35:06,454 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:35:06,454 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:35:05" (3/4) ... [2023-11-19 03:35:06,458 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:35:06,460 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:35:06,461 INFO L158 Benchmark]: Toolchain (without parser) took 3237.75ms. Allocated memory is still 151.0MB. Free memory was 111.6MB in the beginning and 105.0MB in the end (delta: 6.5MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2023-11-19 03:35:06,462 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:35:06,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1457.24ms. Allocated memory is still 151.0MB. Free memory was 111.2MB in the beginning and 85.5MB in the end (delta: 25.7MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2023-11-19 03:35:06,463 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.84ms. Allocated memory is still 151.0MB. Free memory was 85.5MB in the beginning and 82.0MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:35:06,465 INFO L158 Benchmark]: Boogie Preprocessor took 39.45ms. Allocated memory is still 151.0MB. Free memory was 82.0MB in the beginning and 80.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:35:06,465 INFO L158 Benchmark]: RCFGBuilder took 809.91ms. Allocated memory is still 151.0MB. Free memory was 80.6MB in the beginning and 91.9MB in the end (delta: -11.3MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2023-11-19 03:35:06,466 INFO L158 Benchmark]: CodeCheck took 807.22ms. Allocated memory is still 151.0MB. Free memory was 91.9MB in the beginning and 105.0MB in the end (delta: -13.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:35:06,467 INFO L158 Benchmark]: Witness Printer took 6.83ms. Allocated memory is still 151.0MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:35:06,476 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_multiply_03_bad() [L1550] int data; [L1551] 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)) [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1457.24ms. Allocated memory is still 151.0MB. Free memory was 111.2MB in the beginning and 85.5MB in the end (delta: 25.7MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.84ms. Allocated memory is still 151.0MB. Free memory was 85.5MB in the beginning and 82.0MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.45ms. Allocated memory is still 151.0MB. Free memory was 82.0MB in the beginning and 80.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 809.91ms. Allocated memory is still 151.0MB. Free memory was 80.6MB in the beginning and 91.9MB in the end (delta: -11.3MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * CodeCheck took 807.22ms. Allocated memory is still 151.0MB. Free memory was 91.9MB in the beginning and 105.0MB in the end (delta: -13.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.83ms. Allocated memory is still 151.0MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:35:06,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/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_7cce4f34-f294-40bc-a966-d47df6d897da/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/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_7cce4f34-f294-40bc-a966-d47df6d897da/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/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_7cce4f34-f294-40bc-a966-d47df6d897da/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 ddfca8e8d0db87f9b0318b5df84bd222dd238aa408b001add906c2b60d8e43e6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:35:09,261 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:35:09,404 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 03:35:09,463 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:35:09,464 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:35:09,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:35:09,466 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:35:09,467 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:35:09,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:35:09,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:35:09,473 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:35:09,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:35:09,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:35:09,476 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:35:09,477 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:35:09,477 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:35:09,477 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:35:09,478 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:35:09,478 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:35:09,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:35:09,479 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:35:09,480 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:35:09,481 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:35:09,481 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:35:09,482 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:35:09,482 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:35:09,482 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:35:09,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:35:09,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:35:09,484 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:35:09,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:35:09,485 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:35:09,486 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:35:09,486 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:35:09,486 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:35:09,487 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:35:09,487 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_7cce4f34-f294-40bc-a966-d47df6d897da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddfca8e8d0db87f9b0318b5df84bd222dd238aa408b001add906c2b60d8e43e6 [2023-11-19 03:35:09,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:35:09,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:35:09,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:35:09,891 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:35:09,891 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:35:09,893 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_03_bad.i [2023-11-19 03:35:13,131 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:35:13,618 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:35:13,619 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_03_bad.i [2023-11-19 03:35:13,652 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/bin/ukojak-verify-G8NBE6pJGL/data/e61b009c2/e28a290b127047569df307fe4973d08c/FLAG283c11554 [2023-11-19 03:35:13,669 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/bin/ukojak-verify-G8NBE6pJGL/data/e61b009c2/e28a290b127047569df307fe4973d08c [2023-11-19 03:35:13,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:35:13,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:35:13,676 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:35:13,676 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:35:13,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:35:13,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:35:13" (1/1) ... [2023-11-19 03:35:13,685 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d77a58e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:13, skipping insertion in model container [2023-11-19 03:35:13,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:35:13" (1/1) ... [2023-11-19 03:35:13,785 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:35:14,380 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:35:15,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:15,294 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:35:15,321 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:35:15,430 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:15,567 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:35:15,567 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:35:15,567 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:35:15,568 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:35:15,568 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:35:15,577 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:35:15,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:15 WrapperNode [2023-11-19 03:35:15,578 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:35:15,579 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:35:15,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:35:15,580 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:35:15,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:15" (1/1) ... [2023-11-19 03:35:15,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:15" (1/1) ... [2023-11-19 03:35:15,669 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2023-11-19 03:35:15,669 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:35:15,670 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:35:15,670 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:35:15,671 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:35:15,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:15" (1/1) ... [2023-11-19 03:35:15,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:15" (1/1) ... [2023-11-19 03:35:15,688 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:15" (1/1) ... [2023-11-19 03:35:15,688 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:15" (1/1) ... [2023-11-19 03:35:15,701 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:15" (1/1) ... [2023-11-19 03:35:15,704 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:15" (1/1) ... [2023-11-19 03:35:15,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:15" (1/1) ... [2023-11-19 03:35:15,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:15" (1/1) ... [2023-11-19 03:35:15,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:35:15,717 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:35:15,717 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:35:15,718 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:35:15,719 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:15" (1/1) ... [2023-11-19 03:35:15,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:35:15,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:35:15,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:35:15,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:35:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:35:15,849 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:35:15,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:35:15,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:35:15,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:35:15,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:35:15,850 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:35:16,039 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:35:16,041 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:35:16,193 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:35:16,277 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:35:16,278 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:35:16,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:35:16 BoogieIcfgContainer [2023-11-19 03:35:16,285 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:35:16,286 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:35:16,286 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:35:16,300 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:35:16,300 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:35:16" (1/1) ... [2023-11-19 03:35:16,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:35:16,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:16,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-19 03:35:16,418 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-19 03:35:16,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:35:16,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:16,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:35:16,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:35:16,435 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:35:16,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:35:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:35:16,712 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:35:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:35:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:35:16,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:35:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:35:16,988 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:35:16,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:35:16,996 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:35:17,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:35:17 ImpRootNode [2023-11-19 03:35:17,036 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:35:17,039 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:35:17,039 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:35:17,039 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:35:17,040 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:35:16" (3/4) ... [2023-11-19 03:35:17,042 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:35:17,121 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:35:17,121 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:35:17,122 INFO L158 Benchmark]: Toolchain (without parser) took 3448.06ms. Allocated memory is still 107.0MB. Free memory was 79.1MB in the beginning and 45.1MB in the end (delta: 34.0MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2023-11-19 03:35:17,122 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 73.4MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:35:17,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1902.33ms. Allocated memory is still 107.0MB. Free memory was 78.7MB in the beginning and 48.3MB in the end (delta: 30.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-19 03:35:17,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.22ms. Allocated memory is still 107.0MB. Free memory was 48.3MB in the beginning and 45.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:35:17,125 INFO L158 Benchmark]: Boogie Preprocessor took 46.07ms. Allocated memory is still 107.0MB. Free memory was 44.8MB in the beginning and 43.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:35:17,126 INFO L158 Benchmark]: RCFGBuilder took 567.65ms. Allocated memory is still 107.0MB. Free memory was 43.2MB in the beginning and 62.5MB in the end (delta: -19.3MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2023-11-19 03:35:17,126 INFO L158 Benchmark]: CodeCheck took 750.74ms. Allocated memory is still 107.0MB. Free memory was 62.5MB in the beginning and 47.1MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:35:17,127 INFO L158 Benchmark]: Witness Printer took 82.84ms. Allocated memory is still 107.0MB. Free memory was 47.1MB in the beginning and 45.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:35:17,135 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: 1560]: 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_multiply_03_bad() [L1550] int data; [L1551] 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)) [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, 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 0.28ms. Allocated memory is still 73.4MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1902.33ms. Allocated memory is still 107.0MB. Free memory was 78.7MB in the beginning and 48.3MB in the end (delta: 30.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.22ms. Allocated memory is still 107.0MB. Free memory was 48.3MB in the beginning and 45.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.07ms. Allocated memory is still 107.0MB. Free memory was 44.8MB in the beginning and 43.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 567.65ms. Allocated memory is still 107.0MB. Free memory was 43.2MB in the beginning and 62.5MB in the end (delta: -19.3MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * CodeCheck took 750.74ms. Allocated memory is still 107.0MB. Free memory was 62.5MB in the beginning and 47.1MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 82.84ms. Allocated memory is still 107.0MB. Free memory was 47.1MB in the beginning and 45.1MB 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 03:35:17,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cce4f34-f294-40bc-a966-d47df6d897da/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)