./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_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_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9 --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 288ffc54f81d5a767b98309c1402bdf567c8623bb567d92aa37a9379325562e7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:31:18,918 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:31:18,983 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 03:31:18,987 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:31:18,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:31:19,009 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:31:19,010 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:31:19,011 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:31:19,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:31:19,012 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:31:19,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:31:19,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:31:19,014 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:31:19,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:31:19,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:31:19,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:31:19,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:31:19,016 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:31:19,017 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:31:19,017 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:31:19,018 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:31:19,018 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:31:19,019 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:31:19,019 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:31:19,020 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:31:19,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:31:19,021 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:31:19,021 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:31:19,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:31:19,022 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:31:19,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:31:19,022 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:31:19,023 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_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 288ffc54f81d5a767b98309c1402bdf567c8623bb567d92aa37a9379325562e7 [2023-12-03 03:31:19,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:31:19,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:31:19,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:31:19,256 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:31:19,257 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:31:19,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i [2023-12-03 03:31:22,051 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:31:22,374 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:31:22,375 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i [2023-12-03 03:31:22,401 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/data/9a308ccb3/bd9f82156cbc4df4924a033250c524ec/FLAG27f3f6169 [2023-12-03 03:31:22,416 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/data/9a308ccb3/bd9f82156cbc4df4924a033250c524ec [2023-12-03 03:31:22,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:31:22,420 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:31:22,422 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:31:22,422 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:31:22,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:31:22,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:31:22" (1/1) ... [2023-12-03 03:31:22,430 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a94294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:22, skipping insertion in model container [2023-12-03 03:31:22,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:31:22" (1/1) ... [2023-12-03 03:31:22,493 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:31:23,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:31:23,311 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:31:23,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:31:23,530 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:31:23,530 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:31:23,530 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:31:23,531 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:31:23,538 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:31:23,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:23 WrapperNode [2023-12-03 03:31:23,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:31:23,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:31:23,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:31:23,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:31:23,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:23" (1/1) ... [2023-12-03 03:31:23,577 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:23" (1/1) ... [2023-12-03 03:31:23,608 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 97 [2023-12-03 03:31:23,609 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:31:23,610 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:31:23,610 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:31:23,610 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:31:23,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:23" (1/1) ... [2023-12-03 03:31:23,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:23" (1/1) ... [2023-12-03 03:31:23,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:23" (1/1) ... [2023-12-03 03:31:23,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:23" (1/1) ... [2023-12-03 03:31:23,630 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:23" (1/1) ... [2023-12-03 03:31:23,632 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:23" (1/1) ... [2023-12-03 03:31:23,635 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:23" (1/1) ... [2023-12-03 03:31:23,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:23" (1/1) ... [2023-12-03 03:31:23,640 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:31:23,641 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:31:23,641 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:31:23,642 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:31:23,642 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:23" (1/1) ... [2023-12-03 03:31:23,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:31:23,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:31:23,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:31:23,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:31:23,722 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:31:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:31:23,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:31:23,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:31:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:31:23,723 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:31:23,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:31:23,887 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:31:23,890 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:31:24,089 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:31:24,295 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:31:24,296 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:31:24,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:31:24 BoogieIcfgContainer [2023-12-03 03:31:24,298 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:31:24,298 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:31:24,299 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:31:24,309 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:31:24,309 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:31:24" (1/1) ... [2023-12-03 03:31:24,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:31:24,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:24,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 03:31:24,372 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 03:31:24,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:31:24,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:24,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:31:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:31:24,690 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:31:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:31:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:31:24,942 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:31:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:31:24,993 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:31:25,013 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet111 [2023-12-03 03:31:25,016 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post113 could not be translated [2023-12-03 03:31:25,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:31:25 ImpRootNode [2023-12-03 03:31:25,021 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:31:25,022 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:31:25,022 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:31:25,022 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:31:25,023 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:31:24" (3/4) ... [2023-12-03 03:31:25,025 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:31:25,026 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:31:25,027 INFO L158 Benchmark]: Toolchain (without parser) took 2606.83ms. Allocated memory is still 167.8MB. Free memory was 123.8MB in the beginning and 111.7MB in the end (delta: 12.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2023-12-03 03:31:25,028 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:31:25,029 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1117.50ms. Allocated memory is still 167.8MB. Free memory was 123.8MB in the beginning and 132.0MB in the end (delta: -8.2MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2023-12-03 03:31:25,029 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.93ms. Allocated memory is still 167.8MB. Free memory was 132.0MB in the beginning and 128.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:31:25,030 INFO L158 Benchmark]: Boogie Preprocessor took 30.65ms. Allocated memory is still 167.8MB. Free memory was 128.7MB in the beginning and 127.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:31:25,031 INFO L158 Benchmark]: RCFGBuilder took 656.46ms. Allocated memory is still 167.8MB. Free memory was 127.3MB in the beginning and 90.9MB in the end (delta: 36.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-03 03:31:25,031 INFO L158 Benchmark]: CodeCheck took 722.67ms. Allocated memory is still 167.8MB. Free memory was 90.1MB in the beginning and 112.7MB in the end (delta: -22.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:31:25,032 INFO L158 Benchmark]: Witness Printer took 4.79ms. Allocated memory is still 167.8MB. Free memory was 111.7MB in the beginning and 111.7MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:31:25,035 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1572]: 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 1561, overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_postdec_22_bad() [L1552] int data; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_rand_postdec_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal) [L1572] data-- VAL [CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=1, 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 0.24ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1117.50ms. Allocated memory is still 167.8MB. Free memory was 123.8MB in the beginning and 132.0MB in the end (delta: -8.2MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.93ms. Allocated memory is still 167.8MB. Free memory was 132.0MB in the beginning and 128.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.65ms. Allocated memory is still 167.8MB. Free memory was 128.7MB in the beginning and 127.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 656.46ms. Allocated memory is still 167.8MB. Free memory was 127.3MB in the beginning and 90.9MB in the end (delta: 36.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 722.67ms. Allocated memory is still 167.8MB. Free memory was 90.1MB in the beginning and 112.7MB in the end (delta: -22.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.79ms. Allocated memory is still 167.8MB. Free memory was 111.7MB in the beginning and 111.7MB in the end (delta: 2.6kB). 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~nondet111 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post113 could not be translated - 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 [2023-12-03 03:31:25,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/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_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9 --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 288ffc54f81d5a767b98309c1402bdf567c8623bb567d92aa37a9379325562e7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:31:27,070 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:31:27,145 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 03:31:27,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:31:27,176 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:31:27,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:31:27,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:31:27,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:31:27,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:31:27,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:31:27,180 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:31:27,180 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:31:27,181 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:31:27,181 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:31:27,182 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:31:27,182 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:31:27,183 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:31:27,183 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:31:27,184 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:31:27,185 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:31:27,185 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:31:27,187 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:31:27,187 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:31:27,188 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:31:27,188 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:27,189 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:31:27,189 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:31:27,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:31:27,190 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:31:27,191 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:31:27,191 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:31:27,192 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:31:27,192 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:27,192 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:31:27,192 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:31:27,193 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:31:27,193 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_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 288ffc54f81d5a767b98309c1402bdf567c8623bb567d92aa37a9379325562e7 [2023-12-03 03:31:27,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:31:27,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:31:27,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:31:27,507 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:31:27,508 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:31:27,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i [2023-12-03 03:31:30,286 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:31:30,621 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:31:30,622 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i [2023-12-03 03:31:30,643 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/data/fbf2f7e7c/3c49c7f467034a659d1f9db1cd334c4f/FLAG88aa686c6 [2023-12-03 03:31:30,656 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/data/fbf2f7e7c/3c49c7f467034a659d1f9db1cd334c4f [2023-12-03 03:31:30,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:31:30,659 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:31:30,660 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:31:30,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:31:30,664 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:31:30,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:31:30" (1/1) ... [2023-12-03 03:31:30,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f2860ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:30, skipping insertion in model container [2023-12-03 03:31:30,666 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:31:30" (1/1) ... [2023-12-03 03:31:30,717 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:31:31,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:31:31,567 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:31:31,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:31:31,763 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:31:31,763 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:31:31,763 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:31:31,763 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:31:31,769 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:31:31,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:31 WrapperNode [2023-12-03 03:31:31,770 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:31:31,771 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:31:31,771 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:31:31,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:31:31,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:31" (1/1) ... [2023-12-03 03:31:31,804 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:31" (1/1) ... [2023-12-03 03:31:31,828 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2023-12-03 03:31:31,829 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:31:31,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:31:31,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:31:31,830 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:31:31,838 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:31" (1/1) ... [2023-12-03 03:31:31,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:31" (1/1) ... [2023-12-03 03:31:31,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:31" (1/1) ... [2023-12-03 03:31:31,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:31" (1/1) ... [2023-12-03 03:31:31,854 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:31" (1/1) ... [2023-12-03 03:31:31,856 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:31" (1/1) ... [2023-12-03 03:31:31,860 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:31" (1/1) ... [2023-12-03 03:31:31,862 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:31" (1/1) ... [2023-12-03 03:31:31,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:31:31,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:31:31,868 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:31:31,869 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:31:31,870 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:31" (1/1) ... [2023-12-03 03:31:31,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:31:31,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:31:31,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:31:31,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:31:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:31:31,937 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:31:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:31:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:31:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:31:31,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:31:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:31:32,112 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:31:32,114 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:31:32,246 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:31:32,309 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:31:32,310 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:31:32,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:31:32 BoogieIcfgContainer [2023-12-03 03:31:32,312 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:31:32,313 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:31:32,313 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:31:32,324 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:31:32,324 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:31:32" (1/1) ... [2023-12-03 03:31:32,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:31:32,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:32,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 03:31:32,400 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 03:31:32,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:31:32,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:32,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:32,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:31:32,406 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:31:32,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:31:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:31:32,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:31:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:31:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:31:32,736 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:31:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:31:32,780 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:31:32,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:31:32,784 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:31:32,804 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet105 [2023-12-03 03:31:32,807 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post107 could not be translated [2023-12-03 03:31:32,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:31:32 ImpRootNode [2023-12-03 03:31:32,811 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:31:32,811 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:31:32,811 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:31:32,812 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:31:32,812 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:31:32" (3/4) ... [2023-12-03 03:31:32,814 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:31:32,815 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:31:32,816 INFO L158 Benchmark]: Toolchain (without parser) took 2156.49ms. Allocated memory is still 96.5MB. Free memory was 69.8MB in the beginning and 54.9MB in the end (delta: 14.9MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2023-12-03 03:31:32,816 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory was 37.1MB in the beginning and 37.0MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:31:32,817 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1109.71ms. Allocated memory is still 96.5MB. Free memory was 69.5MB in the beginning and 63.4MB in the end (delta: 6.1MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2023-12-03 03:31:32,817 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.54ms. Allocated memory is still 96.5MB. Free memory was 63.4MB in the beginning and 60.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:31:32,818 INFO L158 Benchmark]: Boogie Preprocessor took 37.67ms. Allocated memory is still 96.5MB. Free memory was 60.4MB in the beginning and 58.2MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:31:32,819 INFO L158 Benchmark]: RCFGBuilder took 443.53ms. Allocated memory is still 96.5MB. Free memory was 58.2MB in the beginning and 39.9MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 03:31:32,819 INFO L158 Benchmark]: CodeCheck took 498.20ms. Allocated memory is still 96.5MB. Free memory was 39.9MB in the beginning and 54.9MB in the end (delta: -15.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:31:32,820 INFO L158 Benchmark]: Witness Printer took 3.88ms. Allocated memory is still 96.5MB. Free memory was 54.9MB in the beginning and 54.9MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:31:32,823 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: 0.4s, 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: 1572]: 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 1561. 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); [L1548] int CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=0, 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] [L1562] CALL CWE191_Integer_Underflow__int_rand_postdec_22_bad() [L1552] int data; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_rand_postdec_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal) [L1572] data-- VAL [CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=1, 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 0.15ms. Allocated memory is still 60.8MB. Free memory was 37.1MB in the beginning and 37.0MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1109.71ms. Allocated memory is still 96.5MB. Free memory was 69.5MB in the beginning and 63.4MB in the end (delta: 6.1MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.54ms. Allocated memory is still 96.5MB. Free memory was 63.4MB in the beginning and 60.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.67ms. Allocated memory is still 96.5MB. Free memory was 60.4MB in the beginning and 58.2MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 443.53ms. Allocated memory is still 96.5MB. Free memory was 58.2MB in the beginning and 39.9MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 498.20ms. Allocated memory is still 96.5MB. Free memory was 39.9MB in the beginning and 54.9MB in the end (delta: -15.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.88ms. Allocated memory is still 96.5MB. Free memory was 54.9MB in the beginning and 54.9MB in the end (delta: 2.7kB). 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 Unfinished Backtranslation: IdentifierExpression #t~post107 could not be translated - 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 [2023-12-03 03:31:32,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9a77d87-06e3-417f-bec6-d661d057b59f/bin/ukojak-verify-Qdu7aM0XO9/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