./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_41_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_c9a25ce7-e524-4eb3-af12-989ba198b85c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/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_c9a25ce7-e524-4eb3-af12-989ba198b85c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/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_c9a25ce7-e524-4eb3-af12-989ba198b85c/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 8d04ca7c01e19b3513d3339d9efbfcdb9bb232bc197b3589d952389c68c21a25 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:26:05,425 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:26:05,494 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 21:26:05,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:26:05,499 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:26:05,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:26:05,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:26:05,524 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:26:05,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:26:05,525 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:26:05,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:26:05,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:26:05,527 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:26:05,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:26:05,528 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:26:05,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:26:05,529 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:26:05,529 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:26:05,530 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:26:05,530 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:26:05,531 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:26:05,532 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:26:05,532 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:26:05,533 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:26:05,533 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:26:05,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:26:05,534 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:26:05,535 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:26:05,535 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:26:05,535 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:26:05,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:26:05,536 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:26:05,537 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_c9a25ce7-e524-4eb3-af12-989ba198b85c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d04ca7c01e19b3513d3339d9efbfcdb9bb232bc197b3589d952389c68c21a25 [2023-12-02 21:26:05,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:26:05,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:26:05,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:26:05,771 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:26:05,772 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:26:05,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_41_bad.i [2023-12-02 21:26:08,472 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:26:08,756 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:26:08,757 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_41_bad.i [2023-12-02 21:26:08,782 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/bin/ukojak-verify-Qdu7aM0XO9/data/15b9bbe39/b9661b698a644273a38c5b81edf51f69/FLAGcdcab4fcb [2023-12-02 21:26:08,798 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/bin/ukojak-verify-Qdu7aM0XO9/data/15b9bbe39/b9661b698a644273a38c5b81edf51f69 [2023-12-02 21:26:08,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:26:08,802 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:26:08,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:26:08,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:26:08,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:26:08,809 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:26:08" (1/1) ... [2023-12-02 21:26:08,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@157625e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:26:08, skipping insertion in model container [2023-12-02 21:26:08,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:26:08" (1/1) ... [2023-12-02 21:26:08,882 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:26:09,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:26:09,668 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:26:09,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:26:09,940 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:26:09,940 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:26:09,940 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:26:09,940 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:26:09,948 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:26:09,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:26:09 WrapperNode [2023-12-02 21:26:09,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:26:09,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:26:09,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:26:09,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:26:09,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:26:09" (1/1) ... [2023-12-02 21:26:09,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:26:09" (1/1) ... [2023-12-02 21:26:10,001 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 42 [2023-12-02 21:26:10,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:26:10,003 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:26:10,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:26:10,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:26:10,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:26:09" (1/1) ... [2023-12-02 21:26:10,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:26:09" (1/1) ... [2023-12-02 21:26:10,015 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:26:09" (1/1) ... [2023-12-02 21:26:10,016 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:26:09" (1/1) ... [2023-12-02 21:26:10,021 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:26:09" (1/1) ... [2023-12-02 21:26:10,023 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:26:09" (1/1) ... [2023-12-02 21:26:10,024 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:26:09" (1/1) ... [2023-12-02 21:26:10,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:26:09" (1/1) ... [2023-12-02 21:26:10,028 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:26:10,029 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:26:10,029 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:26:10,029 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:26:10,030 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:26:09" (1/1) ... [2023-12-02 21:26:10,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:26:10,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:26:10,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:26:10,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:26:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:26:10,093 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:26:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:26:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:26:10,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:26:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:26:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:26:10,233 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:26:10,235 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:26:10,326 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:26:10,359 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:26:10,359 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:26:10,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:26:10 BoogieIcfgContainer [2023-12-02 21:26:10,361 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:26:10,362 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:26:10,362 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:26:10,371 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:26:10,371 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:26:10" (1/1) ... [2023-12-02 21:26:10,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:26:10,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:10,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 21:26:10,439 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 21:26:10,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:26:10,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:10,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:26:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:26:10,568 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:26:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:26:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:26:10,648 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:26:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:26:10,673 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:26:10,701 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-12-02 21:26:10,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:26:10 ImpRootNode [2023-12-02 21:26:10,706 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:26:10,706 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:26:10,706 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:26:10,707 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:26:10,707 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:26:10" (3/4) ... [2023-12-02 21:26:10,709 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:26:10,710 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:26:10,711 INFO L158 Benchmark]: Toolchain (without parser) took 1909.09ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 92.5MB in the beginning and 144.0MB in the end (delta: -51.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:26:10,711 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 140.5MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:26:10,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1146.23ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 92.3MB in the beginning and 115.2MB in the end (delta: -22.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-12-02 21:26:10,713 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.05ms. Allocated memory is still 180.4MB. Free memory was 115.2MB in the beginning and 111.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:26:10,713 INFO L158 Benchmark]: Boogie Preprocessor took 25.58ms. Allocated memory is still 180.4MB. Free memory was 111.8MB in the beginning and 111.0MB in the end (delta: 769.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:26:10,714 INFO L158 Benchmark]: RCFGBuilder took 332.20ms. Allocated memory is still 180.4MB. Free memory was 110.5MB in the beginning and 97.1MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:26:10,715 INFO L158 Benchmark]: CodeCheck took 344.08ms. Allocated memory is still 180.4MB. Free memory was 97.1MB in the beginning and 144.0MB in the end (delta: -46.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 21:26:10,715 INFO L158 Benchmark]: Witness Printer took 3.83ms. Allocated memory is still 180.4MB. Free memory is still 144.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:26:10,718 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1552]: 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 1566. 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); [L1566] 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) [L1566] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE191_Integer_Underflow__int_min_multiply_41_bad() [L1558] int data; [L1559] data = 0 [L1560] data = (-0x7fffffff - 1) [L1561] CALL badSink(data) [L1550] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 140.5MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1146.23ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 92.3MB in the beginning and 115.2MB in the end (delta: -22.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.05ms. Allocated memory is still 180.4MB. Free memory was 115.2MB in the beginning and 111.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.58ms. Allocated memory is still 180.4MB. Free memory was 111.8MB in the beginning and 111.0MB in the end (delta: 769.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 332.20ms. Allocated memory is still 180.4MB. Free memory was 110.5MB in the beginning and 97.1MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 344.08ms. Allocated memory is still 180.4MB. Free memory was 97.1MB in the beginning and 144.0MB in the end (delta: -46.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.83ms. Allocated memory is still 180.4MB. Free memory is still 144.0MB. 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 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 21:26:10,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/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_c9a25ce7-e524-4eb3-af12-989ba198b85c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/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_c9a25ce7-e524-4eb3-af12-989ba198b85c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/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_c9a25ce7-e524-4eb3-af12-989ba198b85c/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 8d04ca7c01e19b3513d3339d9efbfcdb9bb232bc197b3589d952389c68c21a25 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:26:12,593 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:26:12,669 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 21:26:12,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:26:12,702 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:26:12,702 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:26:12,703 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:26:12,704 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:26:12,704 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:26:12,705 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:26:12,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:26:12,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:26:12,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:26:12,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:26:12,707 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:26:12,708 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:26:12,708 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:26:12,709 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:26:12,709 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:26:12,710 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:26:12,710 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:26:12,711 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:26:12,712 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:26:12,712 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:26:12,713 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:26:12,713 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:26:12,713 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:26:12,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:26:12,714 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:26:12,715 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:26:12,715 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:26:12,715 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:26:12,716 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:26:12,716 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:26:12,716 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:26:12,717 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:26:12,717 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_c9a25ce7-e524-4eb3-af12-989ba198b85c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d04ca7c01e19b3513d3339d9efbfcdb9bb232bc197b3589d952389c68c21a25 [2023-12-02 21:26:12,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:26:13,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:26:13,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:26:13,010 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:26:13,011 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:26:13,012 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_41_bad.i [2023-12-02 21:26:15,741 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:26:16,104 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:26:16,104 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_41_bad.i [2023-12-02 21:26:16,130 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/bin/ukojak-verify-Qdu7aM0XO9/data/328df82a6/2af37c85f161457a87debe5f9ef3dca1/FLAGdb6e5fa42 [2023-12-02 21:26:16,144 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/bin/ukojak-verify-Qdu7aM0XO9/data/328df82a6/2af37c85f161457a87debe5f9ef3dca1 [2023-12-02 21:26:16,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:26:16,148 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:26:16,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:26:16,150 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:26:16,154 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:26:16,155 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:26:16" (1/1) ... [2023-12-02 21:26:16,156 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14099f5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:26:16, skipping insertion in model container [2023-12-02 21:26:16,157 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:26:16" (1/1) ... [2023-12-02 21:26:16,227 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:26:16,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:26:17,008 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:26:17,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:26:17,223 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:26:17,223 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:26:17,223 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:26:17,223 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:26:17,229 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:26:17,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:26:17 WrapperNode [2023-12-02 21:26:17,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:26:17,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:26:17,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:26:17,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:26:17,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:26:17" (1/1) ... [2023-12-02 21:26:17,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:26:17" (1/1) ... [2023-12-02 21:26:17,287 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 42 [2023-12-02 21:26:17,287 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:26:17,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:26:17,288 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:26:17,288 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:26:17,295 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:26:17" (1/1) ... [2023-12-02 21:26:17,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:26:17" (1/1) ... [2023-12-02 21:26:17,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:26:17" (1/1) ... [2023-12-02 21:26:17,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:26:17" (1/1) ... [2023-12-02 21:26:17,309 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:26:17" (1/1) ... [2023-12-02 21:26:17,311 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:26:17" (1/1) ... [2023-12-02 21:26:17,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:26:17" (1/1) ... [2023-12-02 21:26:17,316 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:26:17" (1/1) ... [2023-12-02 21:26:17,320 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:26:17,321 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:26:17,321 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:26:17,321 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:26:17,322 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:26:17" (1/1) ... [2023-12-02 21:26:17,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:26:17,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:26:17,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:26:17,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:26:17,384 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:26:17,384 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:26:17,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:26:17,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:26:17,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:26:17,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:26:17,385 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:26:17,519 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:26:17,521 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:26:17,617 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:26:17,658 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:26:17,659 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:26:17,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:26:17 BoogieIcfgContainer [2023-12-02 21:26:17,660 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:26:17,661 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:26:17,661 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:26:17,669 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:26:17,669 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:26:17" (1/1) ... [2023-12-02 21:26:17,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:26:17,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:17,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 21:26:17,725 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 21:26:17,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:26:17,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:17,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:26:17,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:26:17,732 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:26:17,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:26:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:26:17,894 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:26:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:26:17,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:26:17,990 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:26:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:26:18,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:26:18,028 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:26:18,045 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-12-02 21:26:18,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:26:18 ImpRootNode [2023-12-02 21:26:18,049 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:26:18,049 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:26:18,049 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:26:18,050 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:26:18,050 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:26:17" (3/4) ... [2023-12-02 21:26:18,052 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:26:18,053 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:26:18,053 INFO L158 Benchmark]: Toolchain (without parser) took 1905.28ms. Allocated memory is still 102.8MB. Free memory was 75.2MB in the beginning and 70.3MB in the end (delta: 4.9MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2023-12-02 21:26:18,054 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 71.3MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:26:18,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1080.62ms. Allocated memory is still 102.8MB. Free memory was 75.2MB in the beginning and 71.7MB in the end (delta: 3.5MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2023-12-02 21:26:18,055 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.68ms. Allocated memory is still 102.8MB. Free memory was 71.7MB in the beginning and 68.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:26:18,055 INFO L158 Benchmark]: Boogie Preprocessor took 32.39ms. Allocated memory is still 102.8MB. Free memory was 68.5MB in the beginning and 66.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:26:18,056 INFO L158 Benchmark]: RCFGBuilder took 339.16ms. Allocated memory is still 102.8MB. Free memory was 66.4MB in the beginning and 51.3MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:26:18,056 INFO L158 Benchmark]: CodeCheck took 387.61ms. Allocated memory is still 102.8MB. Free memory was 51.3MB in the beginning and 70.3MB in the end (delta: -19.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:26:18,057 INFO L158 Benchmark]: Witness Printer took 3.54ms. Allocated memory is still 102.8MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:26:18,060 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1552]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_min_multiply_41_bad() [L1558] int data; [L1559] data = 0 [L1560] data = (-0x7fffffff - 1) [L1561] CALL badSink(data) [L1550] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 71.3MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1080.62ms. Allocated memory is still 102.8MB. Free memory was 75.2MB in the beginning and 71.7MB in the end (delta: 3.5MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.68ms. Allocated memory is still 102.8MB. Free memory was 71.7MB in the beginning and 68.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.39ms. Allocated memory is still 102.8MB. Free memory was 68.5MB in the beginning and 66.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 339.16ms. Allocated memory is still 102.8MB. Free memory was 66.4MB in the beginning and 51.3MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 387.61ms. Allocated memory is still 102.8MB. Free memory was 51.3MB in the beginning and 70.3MB in the end (delta: -19.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.54ms. Allocated memory is still 102.8MB. Free memory is still 70.3MB. 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~nondet97 - 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 21:26:18,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a25ce7-e524-4eb3-af12-989ba198b85c/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