./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_42_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_983cef35-0fdc-4156-b480-62605bcb6a0a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/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_983cef35-0fdc-4156-b480-62605bcb6a0a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/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_983cef35-0fdc-4156-b480-62605bcb6a0a/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 5ba29f3b9fbd2336017d7fc6d821970a1d07be7c253b45c0e27ef2043f2c6dac --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:59:47,345 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:59:47,410 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 03:59:47,415 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:59:47,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:59:47,438 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:59:47,439 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:59:47,440 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:59:47,440 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:59:47,441 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:59:47,441 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:59:47,442 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:59:47,442 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:59:47,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:59:47,443 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:59:47,444 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:59:47,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:59:47,445 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:59:47,445 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:59:47,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:59:47,446 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:59:47,447 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:59:47,447 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:59:47,447 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:59:47,448 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:59:47,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:59:47,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:59:47,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:59:47,450 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:59:47,450 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:59:47,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:59:47,451 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:59:47,452 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_983cef35-0fdc-4156-b480-62605bcb6a0a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ba29f3b9fbd2336017d7fc6d821970a1d07be7c253b45c0e27ef2043f2c6dac [2023-12-03 03:59:47,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:59:47,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:59:47,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:59:47,698 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:59:47,698 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:59:47,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_42_bad.i [2023-12-03 03:59:50,593 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:59:50,898 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:59:50,899 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_42_bad.i [2023-12-03 03:59:50,924 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/bin/ukojak-verify-Qdu7aM0XO9/data/3362cce6c/8dc9290ebf3244f68854b1eb56b9ff74/FLAGc78ec6cea [2023-12-03 03:59:50,938 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/bin/ukojak-verify-Qdu7aM0XO9/data/3362cce6c/8dc9290ebf3244f68854b1eb56b9ff74 [2023-12-03 03:59:50,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:59:50,942 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:59:50,944 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:59:50,944 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:59:50,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:59:50,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:59:50" (1/1) ... [2023-12-03 03:59:50,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42e1404d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:59:50, skipping insertion in model container [2023-12-03 03:59:50,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:59:50" (1/1) ... [2023-12-03 03:59:51,018 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:59:51,703 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:59:51,713 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:59:51,792 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:59:51,932 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:59:51,932 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:59:51,932 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:59:51,933 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:59:51,938 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:59:51,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:59:51 WrapperNode [2023-12-03 03:59:51,939 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:59:51,940 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:59:51,940 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:59:51,940 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:59:51,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:59:51" (1/1) ... [2023-12-03 03:59:51,972 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:59:51" (1/1) ... [2023-12-03 03:59:51,997 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 49 [2023-12-03 03:59:51,997 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:59:51,998 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:59:51,998 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:59:51,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:59:52,006 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:59:51" (1/1) ... [2023-12-03 03:59:52,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:59:51" (1/1) ... [2023-12-03 03:59:52,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:59:51" (1/1) ... [2023-12-03 03:59:52,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:59:51" (1/1) ... [2023-12-03 03:59:52,016 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:59:51" (1/1) ... [2023-12-03 03:59:52,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:59:51" (1/1) ... [2023-12-03 03:59:52,019 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:59:51" (1/1) ... [2023-12-03 03:59:52,021 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:59:51" (1/1) ... [2023-12-03 03:59:52,024 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:59:52,025 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:59:52,025 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:59:52,025 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:59:52,026 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:59:51" (1/1) ... [2023-12-03 03:59:52,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:59:52,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:59:52,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:59:52,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:59:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:59:52,091 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:59:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:59:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:59:52,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:59:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:59:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:59:52,213 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:59:52,215 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:59:52,294 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:59:52,331 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:59:52,331 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:59:52,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:59:52 BoogieIcfgContainer [2023-12-03 03:59:52,333 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:59:52,334 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:59:52,334 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:59:52,344 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:59:52,344 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:59:52" (1/1) ... [2023-12-03 03:59:52,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:59:52,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:52,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 03:59:52,396 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 03:59:52,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:59:52,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:52,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:59:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:59:52,513 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:59:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:59:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:59:52,591 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:59:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:59:52,618 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:59:52,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-12-03 03:59:52,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post99 could not be translated [2023-12-03 03:59:52,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:59:52 ImpRootNode [2023-12-03 03:59:52,646 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:59:52,647 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:59:52,647 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:59:52,647 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:59:52,648 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:59:52" (3/4) ... [2023-12-03 03:59:52,650 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:59:52,651 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:59:52,652 INFO L158 Benchmark]: Toolchain (without parser) took 1709.34ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 97.7MB in the beginning and 103.4MB in the end (delta: -5.7MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2023-12-03 03:59:52,652 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:59:52,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 995.82ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 97.2MB in the beginning and 138.0MB in the end (delta: -40.7MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2023-12-03 03:59:52,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.19ms. Allocated memory is still 195.0MB. Free memory was 138.0MB in the beginning and 134.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:59:52,654 INFO L158 Benchmark]: Boogie Preprocessor took 26.53ms. Allocated memory is still 195.0MB. Free memory was 134.7MB in the beginning and 133.8MB in the end (delta: 927.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:59:52,655 INFO L158 Benchmark]: RCFGBuilder took 307.95ms. Allocated memory is still 195.0MB. Free memory was 133.8MB in the beginning and 119.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 03:59:52,656 INFO L158 Benchmark]: CodeCheck took 312.59ms. Allocated memory is still 195.0MB. Free memory was 119.1MB in the beginning and 103.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 03:59:52,656 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 195.0MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:59:52,659 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: 1559]: 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 1567. 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); [L1567] 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) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_min_postdec_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] data = (-0x7fffffff - 1) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 995.82ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 97.2MB in the beginning and 138.0MB in the end (delta: -40.7MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.19ms. Allocated memory is still 195.0MB. Free memory was 138.0MB in the beginning and 134.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.53ms. Allocated memory is still 195.0MB. Free memory was 134.7MB in the beginning and 133.8MB in the end (delta: 927.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 307.95ms. Allocated memory is still 195.0MB. Free memory was 133.8MB in the beginning and 119.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 312.59ms. Allocated memory is still 195.0MB. Free memory was 119.1MB in the beginning and 103.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 195.0MB. Free memory is still 103.4MB. 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~nondet101 - 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 [2023-12-03 03:59:52,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/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_983cef35-0fdc-4156-b480-62605bcb6a0a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/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_983cef35-0fdc-4156-b480-62605bcb6a0a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/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_983cef35-0fdc-4156-b480-62605bcb6a0a/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 5ba29f3b9fbd2336017d7fc6d821970a1d07be7c253b45c0e27ef2043f2c6dac --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:59:54,640 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:59:54,713 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 03:59:54,745 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:59:54,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:59:54,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:59:54,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:59:54,748 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:59:54,749 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:59:54,749 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:59:54,750 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:59:54,751 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:59:54,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:59:54,752 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:59:54,752 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:59:54,753 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:59:54,753 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:59:54,754 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:59:54,754 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:59:54,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:59:54,756 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:59:54,756 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:59:54,757 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:59:54,757 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:59:54,758 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:59:54,758 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:59:54,759 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:59:54,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:59:54,759 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:59:54,760 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:59:54,760 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:59:54,761 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:59:54,761 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:59:54,761 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:59:54,761 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:59:54,762 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:59:54,762 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_983cef35-0fdc-4156-b480-62605bcb6a0a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ba29f3b9fbd2336017d7fc6d821970a1d07be7c253b45c0e27ef2043f2c6dac [2023-12-03 03:59:55,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:59:55,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:59:55,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:59:55,094 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:59:55,095 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:59:55,096 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_42_bad.i [2023-12-03 03:59:57,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:59:58,200 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:59:58,200 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_42_bad.i [2023-12-03 03:59:58,222 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/bin/ukojak-verify-Qdu7aM0XO9/data/9ed8db88c/e97482e71a96470c93e76dbada92d4e4/FLAG07f4f637a [2023-12-03 03:59:58,234 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/bin/ukojak-verify-Qdu7aM0XO9/data/9ed8db88c/e97482e71a96470c93e76dbada92d4e4 [2023-12-03 03:59:58,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:59:58,238 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:59:58,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:59:58,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:59:58,242 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:59:58,243 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:59:58" (1/1) ... [2023-12-03 03:59:58,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@140da4c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:59:58, skipping insertion in model container [2023-12-03 03:59:58,244 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:59:58" (1/1) ... [2023-12-03 03:59:58,290 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:59:58,984 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:59:58,997 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:59:59,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:59:59,213 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:59:59,213 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:59:59,213 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:59:59,214 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:59:59,221 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:59:59,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:59:59 WrapperNode [2023-12-03 03:59:59,222 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:59:59,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:59:59,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:59:59,223 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:59:59,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:59:59" (1/1) ... [2023-12-03 03:59:59,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:59:59" (1/1) ... [2023-12-03 03:59:59,288 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2023-12-03 03:59:59,289 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:59:59,289 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:59:59,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:59:59,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:59:59,299 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:59:59" (1/1) ... [2023-12-03 03:59:59,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:59:59" (1/1) ... [2023-12-03 03:59:59,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:59:59" (1/1) ... [2023-12-03 03:59:59,303 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:59:59" (1/1) ... [2023-12-03 03:59:59,314 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:59:59" (1/1) ... [2023-12-03 03:59:59,316 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:59:59" (1/1) ... [2023-12-03 03:59:59,319 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:59:59" (1/1) ... [2023-12-03 03:59:59,321 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:59:59" (1/1) ... [2023-12-03 03:59:59,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:59:59,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:59:59,328 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:59:59,328 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:59:59,329 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:59:59" (1/1) ... [2023-12-03 03:59:59,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:59:59,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:59:59,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:59:59,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:59:59,398 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:59:59,398 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:59:59,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:59:59,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:59:59,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:59:59,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:59:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:59:59,556 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:59:59,558 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:59:59,667 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:59:59,714 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:59:59,714 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:59:59,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:59:59 BoogieIcfgContainer [2023-12-03 03:59:59,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:59:59,717 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:59:59,717 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:59:59,727 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:59:59,727 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:59:59" (1/1) ... [2023-12-03 03:59:59,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:59:59,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:59,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 03:59:59,792 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 03:59:59,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:59:59,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:59,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:59:59,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:59:59,799 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:59:59,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:59:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:59:59,979 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:00:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:00:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:00:00,090 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:00:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:00:00,126 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:00:00,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:00:00,132 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:00:00,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-12-03 04:00:00,158 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post97 could not be translated [2023-12-03 04:00:00,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:00:00 ImpRootNode [2023-12-03 04:00:00,162 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:00:00,162 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:00:00,162 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:00:00,163 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:00:00,163 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:59:59" (3/4) ... [2023-12-03 04:00:00,165 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:00:00,166 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:00:00,167 INFO L158 Benchmark]: Toolchain (without parser) took 1928.90ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 60.5MB in the beginning and 72.8MB in the end (delta: -12.4MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2023-12-03 04:00:00,167 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 60.8MB. Free memory was 37.0MB in the beginning and 36.9MB in the end (delta: 71.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:00:00,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 983.70ms. Allocated memory is still 88.1MB. Free memory was 60.3MB in the beginning and 36.5MB in the end (delta: 23.8MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2023-12-03 04:00:00,169 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.02ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 36.5MB in the beginning and 77.0MB in the end (delta: -40.5MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2023-12-03 04:00:00,169 INFO L158 Benchmark]: Boogie Preprocessor took 37.20ms. Allocated memory is still 107.0MB. Free memory was 77.0MB in the beginning and 74.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:00:00,170 INFO L158 Benchmark]: RCFGBuilder took 388.69ms. Allocated memory is still 107.0MB. Free memory was 74.9MB in the beginning and 58.6MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 04:00:00,170 INFO L158 Benchmark]: CodeCheck took 444.93ms. Allocated memory is still 107.0MB. Free memory was 58.6MB in the beginning and 72.8MB in the end (delta: -14.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:00:00,171 INFO L158 Benchmark]: Witness Printer took 3.70ms. Allocated memory is still 107.0MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:00:00,174 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: 0.4s, 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, 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: 1559]: 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_min_postdec_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] data = (-0x7fffffff - 1) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 60.8MB. Free memory was 37.0MB in the beginning and 36.9MB in the end (delta: 71.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 983.70ms. Allocated memory is still 88.1MB. Free memory was 60.3MB in the beginning and 36.5MB in the end (delta: 23.8MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.02ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 36.5MB in the beginning and 77.0MB in the end (delta: -40.5MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.20ms. Allocated memory is still 107.0MB. Free memory was 77.0MB in the beginning and 74.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 388.69ms. Allocated memory is still 107.0MB. Free memory was 74.9MB in the beginning and 58.6MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 444.93ms. Allocated memory is still 107.0MB. Free memory was 58.6MB in the beginning and 72.8MB in the end (delta: -14.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.70ms. Allocated memory is still 107.0MB. Free memory is still 72.8MB. 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~post97 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 04:00:00,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_983cef35-0fdc-4156-b480-62605bcb6a0a/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