./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_64_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi --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 c0d2a3e44145deb56f15ad0253dfa774d53f013ba39421fb01b01a6fcfac4bd6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:59:10,253 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:59:10,346 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:59:10,352 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:59:10,353 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:59:10,409 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:59:10,415 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:59:10,416 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:59:10,417 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:59:10,423 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:59:10,425 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:59:10,425 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:59:10,426 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:59:10,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:59:10,429 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:59:10,429 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:59:10,430 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:59:10,430 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:59:10,431 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:59:10,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:59:10,432 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:59:10,433 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:59:10,434 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:59:10,434 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:59:10,435 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:59:10,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:10,436 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:59:10,437 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:59:10,437 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:59:10,438 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:59:10,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:59:10,440 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:59:10,440 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_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0d2a3e44145deb56f15ad0253dfa774d53f013ba39421fb01b01a6fcfac4bd6 [2023-11-24 22:59:10,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:59:10,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:59:10,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:59:10,832 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:59:10,833 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:59:10,834 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_64_bad.i [2023-11-24 22:59:14,197 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:59:14,605 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:59:14,608 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_64_bad.i [2023-11-24 22:59:14,645 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/data/4fb2155bd/df9d559c2f8a4945b3094e0676b6fc58/FLAG71c05cb2f [2023-11-24 22:59:14,665 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/data/4fb2155bd/df9d559c2f8a4945b3094e0676b6fc58 [2023-11-24 22:59:14,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:59:14,669 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:59:14,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:14,671 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:59:14,677 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:59:14,677 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:14" (1/1) ... [2023-11-24 22:59:14,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d831395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:14, skipping insertion in model container [2023-11-24 22:59:14,679 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:14" (1/1) ... [2023-11-24 22:59:14,747 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:59:15,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:15,792 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:59:15,901 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:16,008 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:16,009 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:16,009 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:16,009 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:16,017 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:59:16,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:16 WrapperNode [2023-11-24 22:59:16,018 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:16,019 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:16,020 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:59:16,020 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:59:16,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:16" (1/1) ... [2023-11-24 22:59:16,074 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:16" (1/1) ... [2023-11-24 22:59:16,105 INFO L138 Inliner]: procedures = 499, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 97 [2023-11-24 22:59:16,106 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:16,107 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:59:16,107 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:59:16,107 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:59:16,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:16" (1/1) ... [2023-11-24 22:59:16,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:16" (1/1) ... [2023-11-24 22:59:16,122 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:16" (1/1) ... [2023-11-24 22:59:16,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:16" (1/1) ... [2023-11-24 22:59:16,130 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:16" (1/1) ... [2023-11-24 22:59:16,133 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:16" (1/1) ... [2023-11-24 22:59:16,136 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:16" (1/1) ... [2023-11-24 22:59:16,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:16" (1/1) ... [2023-11-24 22:59:16,141 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:59:16,142 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:59:16,142 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:59:16,143 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:59:16,144 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:16" (1/1) ... [2023-11-24 22:59:16,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:16,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:59:16,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:59:16,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:59:16,209 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:59:16,209 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:59:16,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:59:16,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:59:16,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:59:16,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:59:16,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:59:16,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:59:16,210 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:59:16,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:59:16,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:59:16,369 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:59:16,371 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:59:16,617 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:59:16,900 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:59:16,901 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:59:16,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:16 BoogieIcfgContainer [2023-11-24 22:59:16,903 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:59:16,904 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:59:16,905 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:59:16,915 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:59:16,917 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:16" (1/1) ... [2023-11-24 22:59:16,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:59:16,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:16,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:59:16,986 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:59:16,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:59:16,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:16,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:17,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:59:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:17,723 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:59:17,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:17,784 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:59:17,808 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet111 [2023-11-24 22:59:17,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:59:17 ImpRootNode [2023-11-24 22:59:17,815 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:59:17,816 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:59:17,816 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:59:17,816 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:59:17,818 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:16" (3/4) ... [2023-11-24 22:59:17,825 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:59:17,826 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:59:17,827 INFO L158 Benchmark]: Toolchain (without parser) took 3158.18ms. Allocated memory is still 207.6MB. Free memory was 155.8MB in the beginning and 88.3MB in the end (delta: 67.5MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. [2023-11-24 22:59:17,828 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 132.1MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:17,829 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1347.92ms. Allocated memory is still 207.6MB. Free memory was 155.8MB in the beginning and 96.5MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-11-24 22:59:17,830 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.75ms. Allocated memory is still 207.6MB. Free memory was 96.5MB in the beginning and 171.2MB in the end (delta: -74.7MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:17,831 INFO L158 Benchmark]: Boogie Preprocessor took 34.61ms. Allocated memory is still 207.6MB. Free memory was 171.2MB in the beginning and 170.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:17,832 INFO L158 Benchmark]: RCFGBuilder took 760.86ms. Allocated memory is still 207.6MB. Free memory was 170.1MB in the beginning and 131.3MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-24 22:59:17,834 INFO L158 Benchmark]: CodeCheck took 910.66ms. Allocated memory is still 207.6MB. Free memory was 131.3MB in the beginning and 89.4MB in the end (delta: 42.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-24 22:59:17,834 INFO L158 Benchmark]: Witness Printer took 10.86ms. Allocated memory is still 207.6MB. Free memory was 89.4MB in the beginning and 88.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:17,844 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559, 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)=29, argc=29, argv={30:31}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_sub_64_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_sub_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataPtr={2497:0}, dataVoidPtr={2497:0}, dataVoidPtr={2497:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 132.1MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1347.92ms. Allocated memory is still 207.6MB. Free memory was 155.8MB in the beginning and 96.5MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.75ms. Allocated memory is still 207.6MB. Free memory was 96.5MB in the beginning and 171.2MB in the end (delta: -74.7MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.61ms. Allocated memory is still 207.6MB. Free memory was 171.2MB in the beginning and 170.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 760.86ms. Allocated memory is still 207.6MB. Free memory was 170.1MB in the beginning and 131.3MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 910.66ms. Allocated memory is still 207.6MB. Free memory was 131.3MB in the beginning and 89.4MB in the end (delta: 42.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 10.86ms. Allocated memory is still 207.6MB. Free memory was 89.4MB in the beginning and 88.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet111 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:59:17,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/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_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi --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 c0d2a3e44145deb56f15ad0253dfa774d53f013ba39421fb01b01a6fcfac4bd6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:59:20,550 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:59:20,685 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:59:20,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:59:20,738 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:59:20,739 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:59:20,740 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:59:20,741 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:59:20,742 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:59:20,747 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:59:20,748 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:59:20,748 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:59:20,748 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:59:20,750 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:59:20,751 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:59:20,751 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:59:20,752 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:59:20,752 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:59:20,753 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:59:20,753 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:59:20,754 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:59:20,755 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:59:20,755 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:59:20,756 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:59:20,756 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:20,756 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:59:20,757 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:59:20,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:20,758 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:59:20,758 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:59:20,760 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:59:20,760 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:59:20,760 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:20,761 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:59:20,761 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:59:20,761 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:59:20,761 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_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0d2a3e44145deb56f15ad0253dfa774d53f013ba39421fb01b01a6fcfac4bd6 [2023-11-24 22:59:21,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:59:21,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:59:21,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:59:21,202 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:59:21,203 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:59:21,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_64_bad.i [2023-11-24 22:59:24,306 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:59:24,770 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:59:24,771 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_64_bad.i [2023-11-24 22:59:24,811 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/data/ef05cabd0/b7cf5de9af7c489eb74f7cada7e860d8/FLAG77fac0625 [2023-11-24 22:59:24,829 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/data/ef05cabd0/b7cf5de9af7c489eb74f7cada7e860d8 [2023-11-24 22:59:24,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:59:24,835 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:59:24,839 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:24,840 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:59:24,845 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:59:24,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:24" (1/1) ... [2023-11-24 22:59:24,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b2425f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:24, skipping insertion in model container [2023-11-24 22:59:24,847 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:24" (1/1) ... [2023-11-24 22:59:24,926 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:59:26,006 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:26,021 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 22:59:26,053 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:59:26,195 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:26,201 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:59:26,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:26,523 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:26,524 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:26,524 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:26,524 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:26,532 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:59:26,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:26 WrapperNode [2023-11-24 22:59:26,533 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:26,534 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:26,534 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:59:26,535 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:59:26,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:26" (1/1) ... [2023-11-24 22:59:26,585 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:26" (1/1) ... [2023-11-24 22:59:26,629 INFO L138 Inliner]: procedures = 504, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2023-11-24 22:59:26,630 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:26,631 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:59:26,631 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:59:26,631 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:59:26,642 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:26" (1/1) ... [2023-11-24 22:59:26,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:26" (1/1) ... [2023-11-24 22:59:26,646 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:26" (1/1) ... [2023-11-24 22:59:26,647 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:26" (1/1) ... [2023-11-24 22:59:26,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:26" (1/1) ... [2023-11-24 22:59:26,659 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:26" (1/1) ... [2023-11-24 22:59:26,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:26" (1/1) ... [2023-11-24 22:59:26,665 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:26" (1/1) ... [2023-11-24 22:59:26,670 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:59:26,671 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:59:26,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:59:26,672 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:59:26,673 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:26" (1/1) ... [2023-11-24 22:59:26,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:26,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:59:26,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:59:26,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:59:26,789 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:59:26,790 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:59:26,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:59:26,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:59:26,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:59:26,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:59:26,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:59:26,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:59:26,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:59:26,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:59:26,792 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:59:26,961 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:59:26,964 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:59:27,170 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:59:27,277 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:59:27,277 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:59:27,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:27 BoogieIcfgContainer [2023-11-24 22:59:27,280 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:59:27,280 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:59:27,281 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:59:27,292 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:59:27,293 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:27" (1/1) ... [2023-11-24 22:59:27,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:59:27,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:27,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:59:27,359 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:59:27,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:59:27,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:27,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:27,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:27,369 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:27,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:59:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:27,744 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:59:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:28,158 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:59:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:28,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 22:59:28,438 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:59:28,475 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet105 [2023-11-24 22:59:28,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:59:28 ImpRootNode [2023-11-24 22:59:28,485 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:59:28,490 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:59:28,491 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:59:28,491 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:59:28,492 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:27" (3/4) ... [2023-11-24 22:59:28,494 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:59:28,496 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:59:28,497 INFO L158 Benchmark]: Toolchain (without parser) took 3661.17ms. Allocated memory was 77.6MB in the beginning and 121.6MB in the end (delta: 44.0MB). Free memory was 50.4MB in the beginning and 86.1MB in the end (delta: -35.8MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2023-11-24 22:59:28,498 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 77.6MB. Free memory was 53.4MB in the beginning and 53.3MB in the end (delta: 55.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:28,500 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1694.56ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 50.2MB in the beginning and 62.2MB in the end (delta: -12.0MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2023-11-24 22:59:28,500 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.07ms. Allocated memory is still 100.7MB. Free memory was 62.2MB in the beginning and 59.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:28,501 INFO L158 Benchmark]: Boogie Preprocessor took 39.57ms. Allocated memory is still 100.7MB. Free memory was 59.1MB in the beginning and 57.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:28,503 INFO L158 Benchmark]: RCFGBuilder took 608.52ms. Allocated memory is still 100.7MB. Free memory was 57.0MB in the beginning and 63.4MB in the end (delta: -6.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:59:28,504 INFO L158 Benchmark]: CodeCheck took 1204.96ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 63.4MB in the beginning and 86.1MB in the end (delta: -22.7MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2023-11-24 22:59:28,505 INFO L158 Benchmark]: Witness Printer took 6.09ms. Allocated memory is still 121.6MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:28,520 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. 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)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_sub_64_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_sub_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataPtr={262144:0}, dataVoidPtr={262144:0}, dataVoidPtr={262144:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 77.6MB. Free memory was 53.4MB in the beginning and 53.3MB in the end (delta: 55.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1694.56ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 50.2MB in the beginning and 62.2MB in the end (delta: -12.0MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.07ms. Allocated memory is still 100.7MB. Free memory was 62.2MB in the beginning and 59.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.57ms. Allocated memory is still 100.7MB. Free memory was 59.1MB in the beginning and 57.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 608.52ms. Allocated memory is still 100.7MB. Free memory was 57.0MB in the beginning and 63.4MB in the end (delta: -6.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1204.96ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 63.4MB in the beginning and 86.1MB in the end (delta: -22.7MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * Witness Printer took 6.09ms. Allocated memory is still 121.6MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet105 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:59:28,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a54309-5cf5-4a8d-9d2f-8f2ae79d4e60/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample