./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC --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 bef1dab6b24ebb18f2980915f8144943d6aa96ed337433b38a571608a8afe6f9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:21:24,209 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:21:24,287 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:21:24,293 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:21:24,294 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:21:24,330 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:21:24,331 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:21:24,332 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:21:24,333 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:21:24,334 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:21:24,334 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:21:24,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:21:24,342 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:21:24,347 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:21:24,348 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:21:24,348 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:21:24,350 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:21:24,351 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:21:24,351 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:21:24,351 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:21:24,352 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:21:24,353 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:21:24,353 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:21:24,354 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:21:24,354 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:21:24,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:21:24,355 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:21:24,356 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:21:24,356 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:21:24,357 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:21:24,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:21:24,359 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:21:24,359 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_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bef1dab6b24ebb18f2980915f8144943d6aa96ed337433b38a571608a8afe6f9 [2023-11-23 20:21:24,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:21:24,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:21:24,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:21:24,768 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:21:24,768 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:21:24,770 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_bad.i [2023-11-23 20:21:28,133 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:21:28,595 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:21:28,596 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_bad.i [2023-11-23 20:21:28,633 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/data/3535a4faf/cf82e032d8a248c8a764235f580701cd/FLAG28c2cf38f [2023-11-23 20:21:28,655 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/data/3535a4faf/cf82e032d8a248c8a764235f580701cd [2023-11-23 20:21:28,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:21:28,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:21:28,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:21:28,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:21:28,673 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:21:28,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:21:28" (1/1) ... [2023-11-23 20:21:28,677 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231f3e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:28, skipping insertion in model container [2023-11-23 20:21:28,678 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:21:28" (1/1) ... [2023-11-23 20:21:28,755 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:21:29,179 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:21:29,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:21:29,834 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:21:29,857 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:21:29,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:21:30,112 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:21:30,112 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:21:30,112 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:21:30,113 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:21:30,113 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:21:30,121 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:21:30,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:30 WrapperNode [2023-11-23 20:21:30,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:21:30,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:21:30,122 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:21:30,122 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:21:30,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:30" (1/1) ... [2023-11-23 20:21:30,161 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:30" (1/1) ... [2023-11-23 20:21:30,192 INFO L138 Inliner]: procedures = 500, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 88 [2023-11-23 20:21:30,192 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:21:30,193 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:21:30,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:21:30,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:21:30,203 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:30" (1/1) ... [2023-11-23 20:21:30,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:30" (1/1) ... [2023-11-23 20:21:30,208 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:30" (1/1) ... [2023-11-23 20:21:30,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:30" (1/1) ... [2023-11-23 20:21:30,215 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:30" (1/1) ... [2023-11-23 20:21:30,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:30" (1/1) ... [2023-11-23 20:21:30,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:30" (1/1) ... [2023-11-23 20:21:30,222 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:30" (1/1) ... [2023-11-23 20:21:30,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:21:30,226 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:21:30,227 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:21:30,227 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:21:30,228 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:30" (1/1) ... [2023-11-23 20:21:30,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:21:30,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:21:30,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:21:30,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:21:30,320 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:21:30,321 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:21:30,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:21:30,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:21:30,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:21:30,322 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:21:30,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:21:30,499 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:21:30,500 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:21:30,749 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:21:31,056 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:21:31,057 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:21:31,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:21:31 BoogieIcfgContainer [2023-11-23 20:21:31,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:21:31,060 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:21:31,060 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:21:31,070 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:21:31,072 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:21:31" (1/1) ... [2023-11-23 20:21:31,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:21:31,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:31,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-23 20:21:31,152 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-23 20:21:31,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:21:31,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:31,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:21:31,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:21:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:21:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:21:31,908 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:21:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:21:31,974 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:21:32,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:21:32 ImpRootNode [2023-11-23 20:21:32,008 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:21:32,010 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:21:32,010 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:21:32,011 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:21:32,011 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:21:31" (3/4) ... [2023-11-23 20:21:32,016 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:21:32,017 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:21:32,019 INFO L158 Benchmark]: Toolchain (without parser) took 3354.08ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 90.1MB in the beginning and 90.3MB in the end (delta: -185.3kB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2023-11-23 20:21:32,019 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 132.1MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:21:32,020 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1453.69ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 89.8MB in the beginning and 106.3MB in the end (delta: -16.5MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2023-11-23 20:21:32,021 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.57ms. Allocated memory is still 174.1MB. Free memory was 106.3MB in the beginning and 103.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:21:32,022 INFO L158 Benchmark]: Boogie Preprocessor took 32.39ms. Allocated memory is still 174.1MB. Free memory was 103.2MB in the beginning and 102.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:21:32,023 INFO L158 Benchmark]: RCFGBuilder took 832.60ms. Allocated memory is still 174.1MB. Free memory was 102.2MB in the beginning and 65.5MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-23 20:21:32,024 INFO L158 Benchmark]: CodeCheck took 948.38ms. Allocated memory is still 174.1MB. Free memory was 65.5MB in the beginning and 91.2MB in the end (delta: -25.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:21:32,025 INFO L158 Benchmark]: Witness Printer took 7.03ms. Allocated memory is still 174.1MB. Free memory was 91.2MB in the beginning and 90.3MB in the end (delta: 906.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:21:32,034 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: 0.9s, 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: 1568]: 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)=13, argc=13, argv={14:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_51_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_multiply_51b_badSink(data) [L1566] COND TRUE data < 0 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] [L1568] data * 2 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 0.27ms. Allocated memory is still 132.1MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1453.69ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 89.8MB in the beginning and 106.3MB in the end (delta: -16.5MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.57ms. Allocated memory is still 174.1MB. Free memory was 106.3MB in the beginning and 103.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.39ms. Allocated memory is still 174.1MB. Free memory was 103.2MB in the beginning and 102.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 832.60ms. Allocated memory is still 174.1MB. Free memory was 102.2MB in the beginning and 65.5MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 948.38ms. Allocated memory is still 174.1MB. Free memory was 65.5MB in the beginning and 91.2MB in the end (delta: -25.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.03ms. Allocated memory is still 174.1MB. Free memory was 91.2MB in the beginning and 90.3MB in the end (delta: 906.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:21:32,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC --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 bef1dab6b24ebb18f2980915f8144943d6aa96ed337433b38a571608a8afe6f9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:21:34,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:21:35,019 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 20:21:35,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:21:35,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:21:35,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:21:35,076 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:21:35,077 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:21:35,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:21:35,083 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:21:35,083 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:21:35,084 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:21:35,084 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:21:35,086 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:21:35,086 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:21:35,087 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:21:35,087 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:21:35,087 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:21:35,088 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:21:35,088 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:21:35,089 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:21:35,090 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:21:35,090 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:21:35,091 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:21:35,091 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:21:35,091 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:21:35,092 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:21:35,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:21:35,093 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:21:35,093 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:21:35,095 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:21:35,095 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:21:35,095 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:21:35,096 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:21:35,096 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:21:35,096 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:21:35,096 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_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bef1dab6b24ebb18f2980915f8144943d6aa96ed337433b38a571608a8afe6f9 [2023-11-23 20:21:35,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:21:35,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:21:35,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:21:35,507 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:21:35,508 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:21:35,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_bad.i [2023-11-23 20:21:38,776 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:21:39,301 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:21:39,301 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_bad.i [2023-11-23 20:21:39,335 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/data/1eb71a050/9b94dc52cde646dc8a1de5b3d371fc17/FLAGaec82372c [2023-11-23 20:21:39,356 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/data/1eb71a050/9b94dc52cde646dc8a1de5b3d371fc17 [2023-11-23 20:21:39,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:21:39,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:21:39,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:21:39,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:21:39,373 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:21:39,374 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:21:39" (1/1) ... [2023-11-23 20:21:39,375 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ff05568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:39, skipping insertion in model container [2023-11-23 20:21:39,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:21:39" (1/1) ... [2023-11-23 20:21:39,469 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:21:39,923 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:21:40,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:21:40,825 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:21:40,859 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:21:40,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:21:41,146 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:21:41,147 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:21:41,147 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:21:41,147 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:21:41,147 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:21:41,156 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:21:41,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:41 WrapperNode [2023-11-23 20:21:41,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:21:41,158 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:21:41,158 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:21:41,158 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:21:41,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:41" (1/1) ... [2023-11-23 20:21:41,199 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:41" (1/1) ... [2023-11-23 20:21:41,226 INFO L138 Inliner]: procedures = 505, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2023-11-23 20:21:41,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:21:41,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:21:41,228 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:21:41,228 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:21:41,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:41" (1/1) ... [2023-11-23 20:21:41,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:41" (1/1) ... [2023-11-23 20:21:41,243 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:41" (1/1) ... [2023-11-23 20:21:41,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:41" (1/1) ... [2023-11-23 20:21:41,254 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:41" (1/1) ... [2023-11-23 20:21:41,256 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:41" (1/1) ... [2023-11-23 20:21:41,259 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:41" (1/1) ... [2023-11-23 20:21:41,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:41" (1/1) ... [2023-11-23 20:21:41,266 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:21:41,267 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:21:41,267 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:21:41,267 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:21:41,268 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:41" (1/1) ... [2023-11-23 20:21:41,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:21:41,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:21:41,303 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:21:41,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:21:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:21:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:21:41,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:21:41,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:21:41,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:21:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:21:41,351 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:21:41,546 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:21:41,549 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:21:41,774 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:21:41,858 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:21:41,858 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:21:41,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:21:41 BoogieIcfgContainer [2023-11-23 20:21:41,862 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:21:41,863 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:21:41,863 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:21:41,874 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:21:41,874 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:21:41" (1/1) ... [2023-11-23 20:21:41,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:21:41,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:41,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-23 20:21:41,967 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-23 20:21:41,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:21:41,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:41,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:21:41,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:21:41,978 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:21:41,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:21:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:21:42,213 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:21:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:21:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:21:42,413 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:21:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:21:42,463 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:21:42,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:21:42,471 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:21:42,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:21:42 ImpRootNode [2023-11-23 20:21:42,504 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:21:42,506 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:21:42,507 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:21:42,507 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:21:42,508 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:21:41" (3/4) ... [2023-11-23 20:21:42,508 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:21:42,583 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:21:42,583 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:21:42,587 INFO L158 Benchmark]: Toolchain (without parser) took 3220.61ms. Allocated memory was 73.4MB in the beginning and 109.1MB in the end (delta: 35.7MB). Free memory was 45.8MB in the beginning and 79.6MB in the end (delta: -33.8MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2023-11-23 20:21:42,588 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 73.4MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:21:42,589 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1789.79ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 45.6MB in the beginning and 54.2MB in the end (delta: -8.6MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2023-11-23 20:21:42,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.56ms. Allocated memory is still 90.2MB. Free memory was 54.2MB in the beginning and 51.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:21:42,600 INFO L158 Benchmark]: Boogie Preprocessor took 38.19ms. Allocated memory is still 90.2MB. Free memory was 51.0MB in the beginning and 49.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:21:42,601 INFO L158 Benchmark]: RCFGBuilder took 595.63ms. Allocated memory is still 90.2MB. Free memory was 49.0MB in the beginning and 53.8MB in the end (delta: -4.9MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2023-11-23 20:21:42,601 INFO L158 Benchmark]: CodeCheck took 641.38ms. Allocated memory is still 90.2MB. Free memory was 53.8MB in the beginning and 38.3MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:21:42,604 INFO L158 Benchmark]: Witness Printer took 77.02ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 38.3MB in the beginning and 79.6MB in the end (delta: -41.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:21:42,607 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1568]: 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}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_51_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_multiply_51b_badSink(data) [L1566] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1610612737, data=-1610612737, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1610612737, data=-1610612737, 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 0.35ms. Allocated memory is still 73.4MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1789.79ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 45.6MB in the beginning and 54.2MB in the end (delta: -8.6MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.56ms. Allocated memory is still 90.2MB. Free memory was 54.2MB in the beginning and 51.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.19ms. Allocated memory is still 90.2MB. Free memory was 51.0MB in the beginning and 49.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 595.63ms. Allocated memory is still 90.2MB. Free memory was 49.0MB in the beginning and 53.8MB in the end (delta: -4.9MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * CodeCheck took 641.38ms. Allocated memory is still 90.2MB. Free memory was 53.8MB in the beginning and 38.3MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 77.02ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 38.3MB in the beginning and 79.6MB in the end (delta: -41.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-23 20:21:42,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c599867f-1d04-4024-8aa3-d906f07c1099/bin/ukojak-verify-1t5iHCbJaC/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)