./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_52_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/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_9972f125-51ce-4ea5-81bc-a10345ec337e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/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_9972f125-51ce-4ea5-81bc-a10345ec337e/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 bdb70d6c239416bf5bfbf89082c20524184aa1a8f2f2133915f6ca7c258bf66d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:58:08,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:58:08,815 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 21:58:08,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:58:08,820 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:58:08,842 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:58:08,843 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:58:08,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:58:08,845 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:58:08,845 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:58:08,846 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:58:08,846 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:58:08,847 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:58:08,847 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:58:08,848 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:58:08,848 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:58:08,849 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:58:08,850 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:58:08,850 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:58:08,851 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:58:08,851 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:58:08,852 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:58:08,853 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:58:08,853 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:58:08,854 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:58:08,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:58:08,855 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:58:08,855 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:58:08,856 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:58:08,856 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:58:08,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:58:08,857 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:58:08,857 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_9972f125-51ce-4ea5-81bc-a10345ec337e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdb70d6c239416bf5bfbf89082c20524184aa1a8f2f2133915f6ca7c258bf66d [2023-12-02 21:58:09,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:58:09,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:58:09,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:58:09,078 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:58:09,079 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:58:09,080 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_52_bad.i [2023-12-02 21:58:11,781 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:58:12,077 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:58:12,078 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_52_bad.i [2023-12-02 21:58:12,102 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/bin/ukojak-verify-Qdu7aM0XO9/data/2e54173ca/b369442647fb4a3c8a65e1d4fae1d9c8/FLAGa9515a486 [2023-12-02 21:58:12,116 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/bin/ukojak-verify-Qdu7aM0XO9/data/2e54173ca/b369442647fb4a3c8a65e1d4fae1d9c8 [2023-12-02 21:58:12,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:58:12,120 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:58:12,122 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:58:12,122 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:58:12,127 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:58:12,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:58:12" (1/1) ... [2023-12-02 21:58:12,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6069d0a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:12, skipping insertion in model container [2023-12-02 21:58:12,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:58:12" (1/1) ... [2023-12-02 21:58:12,196 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:58:13,021 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:58:13,030 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:58:13,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:58:13,221 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:58:13,221 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:58:13,222 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:58:13,222 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:58:13,227 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:58:13,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:13 WrapperNode [2023-12-02 21:58:13,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:58:13,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:58:13,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:58:13,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:58:13,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:13" (1/1) ... [2023-12-02 21:58:13,261 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:13" (1/1) ... [2023-12-02 21:58:13,285 INFO L138 Inliner]: procedures = 500, calls = 57, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 46 [2023-12-02 21:58:13,286 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:58:13,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:58:13,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:58:13,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:58:13,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:13" (1/1) ... [2023-12-02 21:58:13,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:13" (1/1) ... [2023-12-02 21:58:13,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:13" (1/1) ... [2023-12-02 21:58:13,298 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:13" (1/1) ... [2023-12-02 21:58:13,304 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:13" (1/1) ... [2023-12-02 21:58:13,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:13" (1/1) ... [2023-12-02 21:58:13,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:13" (1/1) ... [2023-12-02 21:58:13,308 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:13" (1/1) ... [2023-12-02 21:58:13,311 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:58:13,312 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:58:13,312 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:58:13,313 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:58:13,314 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:13" (1/1) ... [2023-12-02 21:58:13,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:58:13,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:58:13,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:58:13,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:58:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:58:13,388 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:58:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:58:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:58:13,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:58:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:58:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:58:13,537 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:58:13,539 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:58:13,627 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:58:13,666 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:58:13,666 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:58:13,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:58:13 BoogieIcfgContainer [2023-12-02 21:58:13,668 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:58:13,669 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:58:13,669 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:58:13,679 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:58:13,680 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:58:13" (1/1) ... [2023-12-02 21:58:13,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:58:13,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:13,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-02 21:58:13,745 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-02 21:58:13,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:58:13,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:13,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:58:13,865 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:58:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:58:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:58:13,941 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:58:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:58:13,968 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:58:13,989 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-12-02 21:58:13,992 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post101 could not be translated [2023-12-02 21:58:13,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:58:13 ImpRootNode [2023-12-02 21:58:13,996 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:58:13,997 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:58:13,997 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:58:13,997 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:58:13,998 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:58:13" (3/4) ... [2023-12-02 21:58:14,000 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:58:14,001 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:58:14,002 INFO L158 Benchmark]: Toolchain (without parser) took 1881.28ms. Allocated memory is still 161.5MB. Free memory was 114.3MB in the beginning and 58.3MB in the end (delta: 56.0MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. [2023-12-02 21:58:14,002 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 98.6MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:58:14,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1106.64ms. Allocated memory is still 161.5MB. Free memory was 114.3MB in the beginning and 91.8MB in the end (delta: 22.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-02 21:58:14,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.70ms. Allocated memory is still 161.5MB. Free memory was 91.8MB in the beginning and 88.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:58:14,004 INFO L158 Benchmark]: Boogie Preprocessor took 25.45ms. Allocated memory is still 161.5MB. Free memory was 88.8MB in the beginning and 87.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:58:14,005 INFO L158 Benchmark]: RCFGBuilder took 355.63ms. Allocated memory is still 161.5MB. Free memory was 87.6MB in the beginning and 74.2MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 21:58:14,006 INFO L158 Benchmark]: CodeCheck took 327.24ms. Allocated memory is still 161.5MB. Free memory was 73.9MB in the beginning and 58.3MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 21:58:14,006 INFO L158 Benchmark]: Witness Printer took 4.36ms. Allocated memory is still 161.5MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:58:14,009 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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 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)=12, argc=12, argv={13:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_postdec_52_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_postdec_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_postdec_52c_badSink(data) [L1572] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 98.6MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1106.64ms. Allocated memory is still 161.5MB. Free memory was 114.3MB in the beginning and 91.8MB in the end (delta: 22.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.70ms. Allocated memory is still 161.5MB. Free memory was 91.8MB in the beginning and 88.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.45ms. Allocated memory is still 161.5MB. Free memory was 88.8MB in the beginning and 87.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 355.63ms. Allocated memory is still 161.5MB. Free memory was 87.6MB in the beginning and 74.2MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 327.24ms. Allocated memory is still 161.5MB. Free memory was 73.9MB in the beginning and 58.3MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.36ms. Allocated memory is still 161.5MB. Free memory is still 58.3MB. 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~nondet99 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post101 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 [2023-12-02 21:58:14,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/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_9972f125-51ce-4ea5-81bc-a10345ec337e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/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_9972f125-51ce-4ea5-81bc-a10345ec337e/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 bdb70d6c239416bf5bfbf89082c20524184aa1a8f2f2133915f6ca7c258bf66d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:58:15,948 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:58:16,023 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 21:58:16,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:58:16,055 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:58:16,056 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:58:16,057 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:58:16,057 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:58:16,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:58:16,058 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:58:16,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:58:16,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:58:16,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:58:16,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:58:16,061 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:58:16,062 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:58:16,062 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:58:16,063 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:58:16,063 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:58:16,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:58:16,064 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:58:16,065 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:58:16,065 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:58:16,066 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:58:16,066 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:58:16,067 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:58:16,067 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:58:16,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:58:16,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:58:16,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:58:16,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:58:16,069 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:58:16,070 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:58:16,070 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:58:16,070 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:58:16,070 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:58:16,070 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_9972f125-51ce-4ea5-81bc-a10345ec337e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdb70d6c239416bf5bfbf89082c20524184aa1a8f2f2133915f6ca7c258bf66d [2023-12-02 21:58:16,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:58:16,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:58:16,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:58:16,379 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:58:16,380 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:58:16,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_52_bad.i [2023-12-02 21:58:19,144 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:58:19,479 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:58:19,480 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_52_bad.i [2023-12-02 21:58:19,502 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/bin/ukojak-verify-Qdu7aM0XO9/data/abc28f5c2/8d14bd4db24a41febbb8c18a17ce0446/FLAGa6bac87cd [2023-12-02 21:58:19,514 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/bin/ukojak-verify-Qdu7aM0XO9/data/abc28f5c2/8d14bd4db24a41febbb8c18a17ce0446 [2023-12-02 21:58:19,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:58:19,518 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:58:19,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:58:19,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:58:19,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:58:19,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:58:19" (1/1) ... [2023-12-02 21:58:19,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a90ea1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:19, skipping insertion in model container [2023-12-02 21:58:19,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:58:19" (1/1) ... [2023-12-02 21:58:19,575 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:58:20,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:58:20,318 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:58:20,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:58:20,556 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:58:20,556 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:58:20,556 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:58:20,556 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:58:20,564 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:58:20,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:20 WrapperNode [2023-12-02 21:58:20,565 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:58:20,566 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:58:20,566 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:58:20,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:58:20,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:20" (1/1) ... [2023-12-02 21:58:20,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:20" (1/1) ... [2023-12-02 21:58:20,627 INFO L138 Inliner]: procedures = 505, calls = 57, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 46 [2023-12-02 21:58:20,627 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:58:20,628 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:58:20,628 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:58:20,628 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:58:20,638 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:20" (1/1) ... [2023-12-02 21:58:20,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:20" (1/1) ... [2023-12-02 21:58:20,642 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:20" (1/1) ... [2023-12-02 21:58:20,643 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:20" (1/1) ... [2023-12-02 21:58:20,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:20" (1/1) ... [2023-12-02 21:58:20,654 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:20" (1/1) ... [2023-12-02 21:58:20,657 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:20" (1/1) ... [2023-12-02 21:58:20,659 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:20" (1/1) ... [2023-12-02 21:58:20,664 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:58:20,665 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:58:20,665 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:58:20,665 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:58:20,666 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:20" (1/1) ... [2023-12-02 21:58:20,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:58:20,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:58:20,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:58:20,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:58:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:58:20,731 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:58:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:58:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:58:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:58:20,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:58:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:58:20,890 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:58:20,892 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:58:20,999 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:58:21,056 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:58:21,057 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:58:21,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:58:21 BoogieIcfgContainer [2023-12-02 21:58:21,058 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:58:21,059 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:58:21,059 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:58:21,069 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:58:21,069 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:58:21" (1/1) ... [2023-12-02 21:58:21,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:58:21,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:21,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-02 21:58:21,134 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-02 21:58:21,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:58:21,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:21,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:58:21,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:58:21,140 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:58:21,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:58:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:58:21,296 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:58:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:58:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:58:21,392 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:58:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:58:21,431 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:58:21,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:58:21,433 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:58:21,457 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-12-02 21:58:21,460 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post99 could not be translated [2023-12-02 21:58:21,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:58:21 ImpRootNode [2023-12-02 21:58:21,463 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:58:21,464 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:58:21,464 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:58:21,464 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:58:21,465 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:58:21" (3/4) ... [2023-12-02 21:58:21,467 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:58:21,468 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:58:21,469 INFO L158 Benchmark]: Toolchain (without parser) took 1950.42ms. Allocated memory is still 121.6MB. Free memory was 94.5MB in the beginning and 76.7MB in the end (delta: 17.8MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2023-12-02 21:58:21,469 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:58:21,470 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1045.78ms. Allocated memory is still 121.6MB. Free memory was 94.5MB in the beginning and 62.7MB in the end (delta: 31.7MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2023-12-02 21:58:21,471 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.65ms. Allocated memory is still 121.6MB. Free memory was 62.0MB in the beginning and 59.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:58:21,471 INFO L158 Benchmark]: Boogie Preprocessor took 36.11ms. Allocated memory is still 121.6MB. Free memory was 59.3MB in the beginning and 57.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:58:21,472 INFO L158 Benchmark]: RCFGBuilder took 393.59ms. Allocated memory is still 121.6MB. Free memory was 57.2MB in the beginning and 91.4MB in the end (delta: -34.2MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2023-12-02 21:58:21,473 INFO L158 Benchmark]: CodeCheck took 404.20ms. Allocated memory is still 121.6MB. Free memory was 91.4MB in the beginning and 76.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:58:21,473 INFO L158 Benchmark]: Witness Printer took 3.99ms. Allocated memory is still 121.6MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:58:21,476 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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 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_min_postdec_52_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_postdec_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_postdec_52c_badSink(data) [L1572] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1045.78ms. Allocated memory is still 121.6MB. Free memory was 94.5MB in the beginning and 62.7MB in the end (delta: 31.7MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.65ms. Allocated memory is still 121.6MB. Free memory was 62.0MB in the beginning and 59.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.11ms. Allocated memory is still 121.6MB. Free memory was 59.3MB in the beginning and 57.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 393.59ms. Allocated memory is still 121.6MB. Free memory was 57.2MB in the beginning and 91.4MB in the end (delta: -34.2MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. * CodeCheck took 404.20ms. Allocated memory is still 121.6MB. Free memory was 91.4MB in the beginning and 76.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 3.99ms. Allocated memory is still 121.6MB. Free memory is still 76.7MB. 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~nondet97 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post99 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 [2023-12-02 21:58:21,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9972f125-51ce-4ea5-81bc-a10345ec337e/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